./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_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:29:50,601 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:29:50,602 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:29:50,608 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:29:50,609 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:29:50,609 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:29:50,610 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:29:50,611 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:29:50,612 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:29:50,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:29:50,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:29:50,613 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:29:50,614 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:29:50,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:29:50,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:29:50,615 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:29:50,616 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:29:50,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:29:50,617 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:29:50,618 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:29:50,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:29:50,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:29:50,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:29:50,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:29:50,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:29:50,622 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:29:50,622 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:29:50,623 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:29:50,623 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:29:50,624 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:29:50,624 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:29:50,624 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:29:50,624 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:29:50,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:29:50,625 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:29:50,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:29:50,626 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2018-12-09 10:29:50,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:29:50,633 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:29:50,634 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:29:50,634 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:29:50,634 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:29:50,634 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:29:50,634 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:29:50,634 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:29:50,634 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:29:50,635 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:29:50,635 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:29:50,635 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:29:50,635 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:29:50,635 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:29:50,635 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:29:50,636 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:29:50,636 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 10:29:50,636 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:29:50,636 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:29:50,636 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 10:29:50,636 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 10:29:50,636 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 10:29:50,637 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:29:50,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:29:50,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:29:50,637 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:29:50,637 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:29:50,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:29:50,637 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:29:50,637 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:29:50,638 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:29:50,638 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:29:50,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:29:50,638 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_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:29:50,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:29:50,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:29:50,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:29:50,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:29:50,666 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:29:50,666 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/../../sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-09 10:29:50,700 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/data/ce480da7b/8f310d4790844f46be3e09830224b4e8/FLAG21e45b09c [2018-12-09 10:29:51,225 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:29:51,226 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-09 10:29:51,235 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/data/ce480da7b/8f310d4790844f46be3e09830224b4e8/FLAG21e45b09c [2018-12-09 10:29:51,685 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/data/ce480da7b/8f310d4790844f46be3e09830224b4e8 [2018-12-09 10:29:51,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:29:51,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:29:51,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:29:51,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:29:51,690 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:29:51,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:29:51" (1/1) ... [2018-12-09 10:29:51,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7166975b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:51, skipping insertion in model container [2018-12-09 10:29:51,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:29:51" (1/1) ... [2018-12-09 10:29:51,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:29:51,724 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:29:52,085 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:29:52,105 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:29:52,148 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:29:52,239 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:29:52,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52 WrapperNode [2018-12-09 10:29:52,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:29:52,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:29:52,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:29:52,240 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:29:52,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (1/1) ... [2018-12-09 10:29:52,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (1/1) ... [2018-12-09 10:29:52,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:29:52,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:29:52,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:29:52,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:29:52,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (1/1) ... [2018-12-09 10:29:52,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (1/1) ... [2018-12-09 10:29:52,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (1/1) ... [2018-12-09 10:29:52,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (1/1) ... [2018-12-09 10:29:52,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (1/1) ... [2018-12-09 10:29:52,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (1/1) ... [2018-12-09 10:29:52,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (1/1) ... [2018-12-09 10:29:52,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:29:52,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:29:52,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:29:52,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:29:52,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:29:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2018-12-09 10:29:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2018-12-09 10:29:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2018-12-09 10:29:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2018-12-09 10:29:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:29:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:29:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 10:29:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 10:29:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2018-12-09 10:29:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2018-12-09 10:29:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2018-12-09 10:29:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2018-12-09 10:29:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2018-12-09 10:29:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2018-12-09 10:29:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:29:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 10:29:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure write [2018-12-09 10:29:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2018-12-09 10:29:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 10:29:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2018-12-09 10:29:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:29:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:29:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 10:29:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2018-12-09 10:29:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2018-12-09 10:29:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:29:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:29:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:29:53,108 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:29:53,109 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 10:29:53,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:29:53 BoogieIcfgContainer [2018-12-09 10:29:53,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:29:53,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:29:53,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:29:53,112 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:29:53,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:29:51" (1/3) ... [2018-12-09 10:29:53,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bcf636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:29:53, skipping insertion in model container [2018-12-09 10:29:53,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:29:52" (2/3) ... [2018-12-09 10:29:53,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bcf636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:29:53, skipping insertion in model container [2018-12-09 10:29:53,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:29:53" (3/3) ... [2018-12-09 10:29:53,114 INFO L112 eAbstractionObserver]: Analyzing ICFG basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-09 10:29:53,120 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:29:53,125 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 89 error locations. [2018-12-09 10:29:53,136 INFO L257 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2018-12-09 10:29:53,153 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:29:53,153 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 10:29:53,153 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:29:53,153 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:29:53,153 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:29:53,153 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:29:53,153 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:29:53,153 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:29:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states. [2018-12-09 10:29:53,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 10:29:53,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:29:53,173 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:29:53,175 INFO L423 AbstractCegarLoop]: === Iteration 1 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr30REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-09 10:29:53,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:29:53,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1624902308, now seen corresponding path program 1 times [2018-12-09 10:29:53,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:29:53,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:53,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:29:53,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:53,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:29:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:29:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:29:53,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:29:53,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:29:53,399 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:29:53,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:29:53,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:29:53,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:29:53,413 INFO L87 Difference]: Start difference. First operand 257 states. Second operand 3 states. [2018-12-09 10:29:53,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:29:53,627 INFO L93 Difference]: Finished difference Result 267 states and 302 transitions. [2018-12-09 10:29:53,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:29:53,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 10:29:53,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:29:53,636 INFO L225 Difference]: With dead ends: 267 [2018-12-09 10:29:53,636 INFO L226 Difference]: Without dead ends: 264 [2018-12-09 10:29:53,637 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 [2018-12-09 10:29:53,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-12-09 10:29:53,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 252. [2018-12-09 10:29:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-12-09 10:29:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 286 transitions. [2018-12-09 10:29:53,667 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 286 transitions. Word has length 7 [2018-12-09 10:29:53,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:29:53,667 INFO L480 AbstractCegarLoop]: Abstraction has 252 states and 286 transitions. [2018-12-09 10:29:53,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:29:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 286 transitions. [2018-12-09 10:29:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 10:29:53,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:29:53,667 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:29:53,668 INFO L423 AbstractCegarLoop]: === Iteration 2 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr30REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-09 10:29:53,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:29:53,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1624902307, now seen corresponding path program 1 times [2018-12-09 10:29:53,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:29:53,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:53,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:29:53,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:53,675 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:29:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:29:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:29:53,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:29:53,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:29:53,741 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:29:53,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:29:53,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:29:53,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:29:53,743 INFO L87 Difference]: Start difference. First operand 252 states and 286 transitions. Second operand 3 states. [2018-12-09 10:29:53,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:29:53,920 INFO L93 Difference]: Finished difference Result 251 states and 285 transitions. [2018-12-09 10:29:53,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:29:53,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 10:29:53,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:29:53,921 INFO L225 Difference]: With dead ends: 251 [2018-12-09 10:29:53,921 INFO L226 Difference]: Without dead ends: 251 [2018-12-09 10:29:53,922 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 [2018-12-09 10:29:53,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-12-09 10:29:53,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-12-09 10:29:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-12-09 10:29:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 285 transitions. [2018-12-09 10:29:53,932 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 285 transitions. Word has length 7 [2018-12-09 10:29:53,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:29:53,932 INFO L480 AbstractCegarLoop]: Abstraction has 251 states and 285 transitions. [2018-12-09 10:29:53,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:29:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 285 transitions. [2018-12-09 10:29:53,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 10:29:53,933 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:29:53,933 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:29:53,933 INFO L423 AbstractCegarLoop]: === Iteration 3 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr30REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-09 10:29:53,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:29:53,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1111806349, now seen corresponding path program 1 times [2018-12-09 10:29:53,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:29:53,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:53,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:29:53,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:53,942 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:29:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:29:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:29:54,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:29:54,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:29:54,064 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:29:54,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 10:29:54,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 10:29:54,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:29:54,065 INFO L87 Difference]: Start difference. First operand 251 states and 285 transitions. Second operand 4 states. [2018-12-09 10:29:54,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:29:54,247 INFO L93 Difference]: Finished difference Result 255 states and 289 transitions. [2018-12-09 10:29:54,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 10:29:54,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-12-09 10:29:54,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:29:54,249 INFO L225 Difference]: With dead ends: 255 [2018-12-09 10:29:54,249 INFO L226 Difference]: Without dead ends: 255 [2018-12-09 10:29:54,249 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 [2018-12-09 10:29:54,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-12-09 10:29:54,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2018-12-09 10:29:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-12-09 10:29:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 287 transitions. [2018-12-09 10:29:54,258 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 287 transitions. Word has length 10 [2018-12-09 10:29:54,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:29:54,258 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 287 transitions. [2018-12-09 10:29:54,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 10:29:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 287 transitions. [2018-12-09 10:29:54,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:29:54,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:29:54,259 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:29:54,259 INFO L423 AbstractCegarLoop]: === Iteration 4 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr30REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-09 10:29:54,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:29:54,260 INFO L82 PathProgramCache]: Analyzing trace with hash 156249936, now seen corresponding path program 1 times [2018-12-09 10:29:54,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:29:54,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:54,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:29:54,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:54,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:29:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:29:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:29:54,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:29:54,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:29:54,383 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:29:54,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:29:54,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:29:54,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:29:54,384 INFO L87 Difference]: Start difference. First operand 253 states and 287 transitions. Second operand 6 states. [2018-12-09 10:29:54,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:29:54,533 INFO L93 Difference]: Finished difference Result 254 states and 288 transitions. [2018-12-09 10:29:54,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:29:54,533 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-12-09 10:29:54,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:29:54,534 INFO L225 Difference]: With dead ends: 254 [2018-12-09 10:29:54,534 INFO L226 Difference]: Without dead ends: 254 [2018-12-09 10:29:54,534 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 [2018-12-09 10:29:54,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-09 10:29:54,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 251. [2018-12-09 10:29:54,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-12-09 10:29:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 285 transitions. [2018-12-09 10:29:54,539 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 285 transitions. Word has length 14 [2018-12-09 10:29:54,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:29:54,539 INFO L480 AbstractCegarLoop]: Abstraction has 251 states and 285 transitions. [2018-12-09 10:29:54,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:29:54,539 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 285 transitions. [2018-12-09 10:29:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 10:29:54,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:29:54,539 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:29:54,540 INFO L423 AbstractCegarLoop]: === Iteration 5 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr30REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-09 10:29:54,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:29:54,540 INFO L82 PathProgramCache]: Analyzing trace with hash 548779136, now seen corresponding path program 1 times [2018-12-09 10:29:54,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:29:54,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:54,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:29:54,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:54,545 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:29:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:29:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:29:54,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:29:54,597 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:29:54,598 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 16 with the following transitions: [2018-12-09 10:29:54,599 INFO L205 CegarAbsIntRunner]: [97], [98], [101], [107], [109], [110], [113], [115], [119], [121], [214], [215], [473], [474], [475] [2018-12-09 10:29:54,627 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:29:54,627 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:29:54,818 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:29:54,818 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. [2018-12-09 10:29:54,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:29:54,828 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:29:54,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:29:54,828 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:29:54,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:29:54,848 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:29:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:29:54,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:29:54,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:29:54,965 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:29:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:29:55,016 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:29:55,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2018-12-09 10:29:55,016 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:29:55,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:29:55,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:29:55,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:29:55,017 INFO L87 Difference]: Start difference. First operand 251 states and 285 transitions. Second operand 5 states. [2018-12-09 10:29:55,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:29:55,039 INFO L93 Difference]: Finished difference Result 258 states and 292 transitions. [2018-12-09 10:29:55,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 10:29:55,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-12-09 10:29:55,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:29:55,040 INFO L225 Difference]: With dead ends: 258 [2018-12-09 10:29:55,041 INFO L226 Difference]: Without dead ends: 258 [2018-12-09 10:29:55,041 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 [2018-12-09 10:29:55,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-12-09 10:29:55,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255. [2018-12-09 10:29:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-12-09 10:29:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 289 transitions. [2018-12-09 10:29:55,045 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 289 transitions. Word has length 15 [2018-12-09 10:29:55,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:29:55,045 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 289 transitions. [2018-12-09 10:29:55,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:29:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 289 transitions. [2018-12-09 10:29:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 10:29:55,045 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:29:55,045 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:29:55,046 INFO L423 AbstractCegarLoop]: === Iteration 6 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr30REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-09 10:29:55,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:29:55,046 INFO L82 PathProgramCache]: Analyzing trace with hash 134051997, now seen corresponding path program 2 times [2018-12-09 10:29:55,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:29:55,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:55,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:29:55,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:29:55,051 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:29:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:29:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:29:55,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:29:55,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:29:55,108 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-09 10:29:55,108 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-09 10:29:55,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:29:55,109 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:29:55,129 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 10:29:55,129 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-09 10:29:55,211 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2018-12-09 10:29:55,211 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 10:29:55,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:29:55,237 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 [2018-12-09 10:29:55,284 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:55,324 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 [2018-12-09 10:29:55,735 WARN L180 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2018-12-09 10:29:55,743 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:55,752 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:55,769 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:55,822 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 [2018-12-09 10:29:56,393 WARN L180 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2018-12-09 10:29:56,402 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,407 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,413 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,418 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,423 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,424 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 [2018-12-09 10:29:56,672 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2018-12-09 10:29:56,683 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,686 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,691 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,697 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,702 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,707 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,712 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,713 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 [2018-12-09 10:29:56,959 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2018-12-09 10:29:56,966 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,971 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,977 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,981 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,986 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,991 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,995 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:56,999 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,000 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 [2018-12-09 10:29:57,278 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2018-12-09 10:29:57,287 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,291 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,295 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,299 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,303 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,307 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,311 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,315 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,319 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,323 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,324 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 [2018-12-09 10:29:57,593 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-12-09 10:29:57,602 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,605 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,608 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,610 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,613 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,616 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,619 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,622 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,625 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,628 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,631 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,648 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,649 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 [2018-12-09 10:29:57,863 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-09 10:29:57,869 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,871 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,876 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,877 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,879 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,880 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,882 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,883 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,885 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,886 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,887 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,889 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,891 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,892 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:57,893 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 [2018-12-09 10:29:57,902 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 [2018-12-09 10:29:57,903 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-09 10:29:57,994 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:29:58,095 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:29:58,230 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:29:58,329 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:29:58,436 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:29:58,563 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:29:58,791 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:58,797 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:58,809 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:58,813 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:58,825 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:58,830 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:58,846 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:58,894 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 [2018-12-09 10:29:59,632 WARN L180 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2018-12-09 10:29:59,642 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:59,645 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:59,649 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:59,662 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:59,667 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:59,673 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:59,687 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:59,692 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:59,698 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:59,713 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:29:59,755 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 [2018-12-09 10:30:00,574 WARN L180 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2018-12-09 10:30:00,581 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,584 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,587 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,590 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,594 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,599 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,603 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,607 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,611 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,612 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 [2018-12-09 10:30:00,906 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2018-12-09 10:30:00,913 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,918 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,921 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,925 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,929 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,933 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,937 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,941 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,944 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,948 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,952 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:00,952 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 [2018-12-09 10:30:01,090 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-12-09 10:30:01,094 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,096 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,097 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,098 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,099 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,100 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,101 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,102 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,104 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,105 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,106 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,107 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,108 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 [2018-12-09 10:30:01,347 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-09 10:30:01,355 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,358 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,360 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,362 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,364 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,365 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,367 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,368 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,370 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,371 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,372 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,374 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,375 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,376 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,377 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 [2018-12-09 10:30:01,383 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 [2018-12-09 10:30:01,384 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:01,474 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:01,565 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:01,660 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:01,770 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:01,965 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,969 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,974 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,978 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,983 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:01,987 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,000 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,005 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,008 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,013 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,017 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,022 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,040 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,072 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 [2018-12-09 10:30:02,885 WARN L180 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2018-12-09 10:30:02,893 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,896 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,899 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,902 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,906 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,909 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,913 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,917 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,921 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,924 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,927 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,930 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,933 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,936 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,939 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,962 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:02,988 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 [2018-12-09 10:30:03,788 WARN L180 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 104 [2018-12-09 10:30:03,794 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,797 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,799 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,802 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,805 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,808 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,811 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,814 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,817 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,822 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,826 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,829 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,831 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:03,832 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 [2018-12-09 10:30:04,053 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2018-12-09 10:30:04,058 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,060 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,061 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,063 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,064 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,066 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,067 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,069 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,070 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,071 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,073 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,074 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,076 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,077 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,078 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,079 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 [2018-12-09 10:30:04,084 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 [2018-12-09 10:30:04,085 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:04,183 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:04,293 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:04,514 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,517 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,519 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,522 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,524 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,527 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,530 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,533 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,536 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,539 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,542 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,545 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,548 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,550 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,553 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,557 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,564 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,571 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,576 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:04,595 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 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 [2018-12-09 10:30:05,400 WARN L180 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 114 [2018-12-09 10:30:05,405 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,407 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,408 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,410 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,411 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,412 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,414 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,415 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,417 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,418 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,420 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,421 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,422 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,424 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,425 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,426 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,428 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,431 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,433 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,434 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,435 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,441 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,452 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 [2018-12-09 10:30:05,458 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 [2018-12-09 10:30:05,459 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:05,846 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,848 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,849 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,850 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,852 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,853 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,854 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,856 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,857 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,858 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,859 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,860 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,862 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,863 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,865 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,866 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,872 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:05,888 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 [2018-12-09 10:30:05,889 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-12-09 10:30:06,370 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 10:30:06,989 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:06,991 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:06,992 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:06,994 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:06,995 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:06,998 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:06,999 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:07,001 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:07,003 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:07,004 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:07,006 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:07,007 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:07,009 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:07,010 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:07,012 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:07,013 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 [2018-12-09 10:30:07,018 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 [2018-12-09 10:30:07,019 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:07,138 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:07,778 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-09 10:30:08,918 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-09 10:30:09,839 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,845 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,849 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,855 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,859 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,864 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,869 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,875 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,879 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,883 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,889 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:09,890 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 [2018-12-09 10:30:10,162 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2018-12-09 10:30:10,170 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,175 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,179 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,183 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,186 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,190 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,192 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,194 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,195 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,198 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,199 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,202 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,205 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,206 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 [2018-12-09 10:30:10,417 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-09 10:30:10,422 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,423 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,425 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,428 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,429 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,431 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,432 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,434 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,435 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,436 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,438 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,439 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,440 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,442 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:10,443 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 [2018-12-09 10:30:10,447 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 [2018-12-09 10:30:10,448 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:10,539 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:10,634 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:10,768 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:11,665 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-12-09 10:30:12,604 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-12-09 10:30:13,599 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,604 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,610 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,615 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,619 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,624 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,629 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,630 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 [2018-12-09 10:30:13,873 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2018-12-09 10:30:13,882 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,886 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,891 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,895 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,898 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,903 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,908 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,912 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,916 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:13,916 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 [2018-12-09 10:30:14,186 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2018-12-09 10:30:14,194 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,200 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,204 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,207 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,211 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,215 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,219 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,223 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,227 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,230 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,231 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 [2018-12-09 10:30:14,496 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-12-09 10:30:14,502 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,505 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,508 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,510 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,512 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,515 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,518 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,520 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,522 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,524 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,526 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,528 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,529 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 [2018-12-09 10:30:14,761 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-09 10:30:14,766 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,769 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,771 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,773 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,775 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,776 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,778 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,780 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,782 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,783 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,785 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,787 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,789 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,791 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:14,792 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 [2018-12-09 10:30:14,798 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 [2018-12-09 10:30:14,799 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:14,908 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:15,040 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:15,181 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:15,318 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:15,428 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:16,428 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-12-09 10:30:17,544 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-12-09 10:30:18,873 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:18,877 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:18,878 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 [2018-12-09 10:30:19,082 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2018-12-09 10:30:19,090 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,095 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,100 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,105 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,111 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,111 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 [2018-12-09 10:30:19,323 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2018-12-09 10:30:19,331 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,336 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,340 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,346 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,351 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,356 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,356 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 [2018-12-09 10:30:19,606 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2018-12-09 10:30:19,613 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,616 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,621 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,625 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,629 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,632 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,637 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,641 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,642 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 [2018-12-09 10:30:19,774 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2018-12-09 10:30:19,777 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,779 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,780 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,781 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,782 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,783 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,784 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,785 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,786 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,787 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:19,788 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 [2018-12-09 10:30:20,042 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-12-09 10:30:20,048 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,050 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,053 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,056 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,059 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,062 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,065 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,067 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,069 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,071 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,073 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,075 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,076 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 [2018-12-09 10:30:20,294 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-09 10:30:20,299 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,301 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,302 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,303 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,305 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,306 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,307 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,309 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,310 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,311 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,313 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,314 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,316 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,317 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:20,318 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 [2018-12-09 10:30:20,323 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 [2018-12-09 10:30:20,323 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:20,413 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:20,504 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:20,599 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:20,698 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:20,800 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:20,903 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:21,015 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:22,559 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-12-09 10:30:23,943 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-12-09 10:30:25,241 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. [2018-12-09 10:30:25,242 INFO L202 ElimStorePlain]: Needed 47 recursive calls to eliminate 9 variables, input treesize:206, output treesize:1909 [2018-12-09 10:30:43,520 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-09 10:30:43,721 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:30:43,723 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 [2018-12-09 10:30:43,729 INFO L168 Benchmark]: Toolchain (without parser) took 52041.91 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 541.1 MB). Free memory was 956.0 MB in the beginning and 785.0 MB in the end (delta: 171.0 MB). Peak memory consumption was 712.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:30:43,731 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-09 10:30:43,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -53.5 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:30:43,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:30:43,731 INFO L168 Benchmark]: Boogie Preprocessor took 47.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:30:43,732 INFO L168 Benchmark]: RCFGBuilder took 790.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 889.4 MB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:30:43,732 INFO L168 Benchmark]: TraceAbstraction took 50618.72 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 439.4 MB). Free memory was 889.4 MB in the beginning and 785.0 MB in the end (delta: 104.4 MB). Peak memory consumption was 543.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:30:43,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 551.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -53.5 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 790.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 889.4 MB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 50618.72 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 439.4 MB). Free memory was 889.4 MB in the beginning and 785.0 MB in the end (delta: 104.4 MB). Peak memory consumption was 543.8 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 [2018-12-09 10:30:44,787 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:30:44,788 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:30:44,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:30:44,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:30:44,795 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:30:44,796 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:30:44,797 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:30:44,798 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:30:44,798 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:30:44,798 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:30:44,799 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:30:44,799 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:30:44,800 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:30:44,800 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:30:44,801 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:30:44,801 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:30:44,802 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:30:44,803 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:30:44,804 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:30:44,804 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:30:44,805 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:30:44,806 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:30:44,806 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:30:44,806 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:30:44,807 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:30:44,807 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:30:44,808 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:30:44,808 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:30:44,809 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:30:44,809 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:30:44,809 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:30:44,809 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:30:44,809 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:30:44,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:30:44,810 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:30:44,810 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2018-12-09 10:30:44,818 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:30:44,818 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:30:44,818 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:30:44,819 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:30:44,819 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:30:44,819 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:30:44,819 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:30:44,819 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:30:44,819 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:30:44,819 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:30:44,820 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:30:44,820 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:30:44,820 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:30:44,820 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 10:30:44,820 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:30:44,820 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:30:44,821 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 10:30:44,821 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 10:30:44,821 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 10:30:44,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:30:44,821 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 10:30:44,821 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 10:30:44,821 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:30:44,822 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:30:44,822 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:30:44,822 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:30:44,822 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:30:44,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:30:44,822 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:30:44,822 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:30:44,822 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 10:30:44,823 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:30:44,823 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 10:30:44,823 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_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:30:44,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:30:44,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:30:44,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:30:44,855 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:30:44,855 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:30:44,856 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/../../sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-09 10:30:44,892 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/data/d4dc5d246/88e0954ab9614a5aaa91fbc3fa3160ee/FLAGf4c8e6813 [2018-12-09 10:30:45,333 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:30:45,333 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-09 10:30:45,342 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/data/d4dc5d246/88e0954ab9614a5aaa91fbc3fa3160ee/FLAGf4c8e6813 [2018-12-09 10:30:45,351 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/bin-2019/utaipan/data/d4dc5d246/88e0954ab9614a5aaa91fbc3fa3160ee [2018-12-09 10:30:45,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:30:45,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:30:45,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:30:45,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:30:45,356 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:30:45,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d255691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45, skipping insertion in model container [2018-12-09 10:30:45,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:30:45,391 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:30:45,760 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:30:45,776 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:30:45,824 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:30:45,911 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:30:45,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45 WrapperNode [2018-12-09 10:30:45,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:30:45,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:30:45,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:30:45,912 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:30:45,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:30:45,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:30:45,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:30:45,941 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:30:45,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (1/1) ... [2018-12-09 10:30:45,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:30:45,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:30:45,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:30:45,983 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:30:45,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:30:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-09 10:30:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2018-12-09 10:30:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2018-12-09 10:30:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 10:30:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2018-12-09 10:30:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2018-12-09 10:30:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:30:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:30:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 10:30:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-09 10:30:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 10:30:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 10:30:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-12-09 10:30:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-09 10:30:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2018-12-09 10:30:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2018-12-09 10:30:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2018-12-09 10:30:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2018-12-09 10:30:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2018-12-09 10:30:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2018-12-09 10:30:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:30:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure write [2018-12-09 10:30:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2018-12-09 10:30:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2018-12-09 10:30:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:30:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:30:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 10:30:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2018-12-09 10:30:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2018-12-09 10:30:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:30:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:30:47,021 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:30:47,021 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 10:30:47,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:30:47 BoogieIcfgContainer [2018-12-09 10:30:47,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:30:47,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:30:47,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:30:47,025 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:30:47,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:30:45" (1/3) ... [2018-12-09 10:30:47,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e1ecdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:30:47, skipping insertion in model container [2018-12-09 10:30:47,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:30:45" (2/3) ... [2018-12-09 10:30:47,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e1ecdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:30:47, skipping insertion in model container [2018-12-09 10:30:47,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:30:47" (3/3) ... [2018-12-09 10:30:47,028 INFO L112 eAbstractionObserver]: Analyzing ICFG basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-09 10:30:47,035 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:30:47,040 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 89 error locations. [2018-12-09 10:30:47,050 INFO L257 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2018-12-09 10:30:47,064 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:30:47,065 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:30:47,065 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 10:30:47,065 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:30:47,065 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:30:47,065 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:30:47,065 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:30:47,065 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:30:47,066 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:30:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states. [2018-12-09 10:30:47,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 10:30:47,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:47,084 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:47,086 INFO L423 AbstractCegarLoop]: === Iteration 1 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-09 10:30:47,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:47,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1752977883, now seen corresponding path program 1 times [2018-12-09 10:30:47,093 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 10:30:47,093 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:30:47,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:47,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:47,360 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 [2018-12-09 10:30:47,361 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:47,368 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:47,368 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-09 10:30:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:47,380 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 10:30:47,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:30:47,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:30:47,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:30:47,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:30:47,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:30:47,395 INFO L87 Difference]: Start difference. First operand 256 states. Second operand 3 states. [2018-12-09 10:30:47,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:47,776 INFO L93 Difference]: Finished difference Result 266 states and 301 transitions. [2018-12-09 10:30:47,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:30:47,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 10:30:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:47,785 INFO L225 Difference]: With dead ends: 266 [2018-12-09 10:30:47,786 INFO L226 Difference]: Without dead ends: 263 [2018-12-09 10:30:47,787 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 [2018-12-09 10:30:47,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-12-09 10:30:47,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 251. [2018-12-09 10:30:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-12-09 10:30:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 285 transitions. [2018-12-09 10:30:47,815 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 285 transitions. Word has length 7 [2018-12-09 10:30:47,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:47,815 INFO L480 AbstractCegarLoop]: Abstraction has 251 states and 285 transitions. [2018-12-09 10:30:47,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:30:47,815 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 285 transitions. [2018-12-09 10:30:47,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 10:30:47,815 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:47,815 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:47,816 INFO L423 AbstractCegarLoop]: === Iteration 2 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-09 10:30:47,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:47,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1752977884, now seen corresponding path program 1 times [2018-12-09 10:30:47,817 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 10:30:47,817 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:30:47,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:48,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:48,049 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 [2018-12-09 10:30:48,049 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:48,060 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:48,060 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-09 10:30:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:48,074 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 10:30:48,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:30:48,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:30:48,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:30:48,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:30:48,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:30:48,079 INFO L87 Difference]: Start difference. First operand 251 states and 285 transitions. Second operand 3 states. [2018-12-09 10:30:48,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:48,515 INFO L93 Difference]: Finished difference Result 250 states and 284 transitions. [2018-12-09 10:30:48,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:30:48,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 10:30:48,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:48,517 INFO L225 Difference]: With dead ends: 250 [2018-12-09 10:30:48,517 INFO L226 Difference]: Without dead ends: 250 [2018-12-09 10:30:48,517 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 [2018-12-09 10:30:48,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-12-09 10:30:48,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2018-12-09 10:30:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-12-09 10:30:48,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 284 transitions. [2018-12-09 10:30:48,525 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 284 transitions. Word has length 7 [2018-12-09 10:30:48,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:48,526 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 284 transitions. [2018-12-09 10:30:48,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:30:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 284 transitions. [2018-12-09 10:30:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 10:30:48,526 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:48,526 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:48,527 INFO L423 AbstractCegarLoop]: === Iteration 3 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-09 10:30:48,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:48,527 INFO L82 PathProgramCache]: Analyzing trace with hash 456831150, now seen corresponding path program 1 times [2018-12-09 10:30:48,527 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 10:30:48,527 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:30:48,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:48,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:48,775 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 [2018-12-09 10:30:48,776 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:48,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:48,795 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-09 10:30:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:48,821 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 10:30:48,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:30:48,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:30:48,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 10:30:48,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 10:30:48,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:30:48,824 INFO L87 Difference]: Start difference. First operand 250 states and 284 transitions. Second operand 4 states. [2018-12-09 10:30:49,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:49,456 INFO L93 Difference]: Finished difference Result 254 states and 288 transitions. [2018-12-09 10:30:49,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 10:30:49,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-12-09 10:30:49,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:49,458 INFO L225 Difference]: With dead ends: 254 [2018-12-09 10:30:49,458 INFO L226 Difference]: Without dead ends: 254 [2018-12-09 10:30:49,458 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 [2018-12-09 10:30:49,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-09 10:30:49,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2018-12-09 10:30:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-12-09 10:30:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 286 transitions. [2018-12-09 10:30:49,464 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 286 transitions. Word has length 10 [2018-12-09 10:30:49,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:49,464 INFO L480 AbstractCegarLoop]: Abstraction has 252 states and 286 transitions. [2018-12-09 10:30:49,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 10:30:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 286 transitions. [2018-12-09 10:30:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:30:49,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:49,465 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:49,465 INFO L423 AbstractCegarLoop]: === Iteration 4 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-09 10:30:49,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:49,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1475373583, now seen corresponding path program 1 times [2018-12-09 10:30:49,466 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 10:30:49,466 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:30:49,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:49,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:49,718 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 [2018-12-09 10:30:49,718 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:49,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:49,727 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-09 10:30:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:49,774 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:30:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:50,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:30:50,044 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:30:50,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:50,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:50,121 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 [2018-12-09 10:30:50,121 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 10:30:50,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:30:50,129 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-09 10:30:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:50,131 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:30:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:50,152 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 10:30:50,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4, 4] total 8 [2018-12-09 10:30:50,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 10:30:50,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 10:30:50,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:30:50,153 INFO L87 Difference]: Start difference. First operand 252 states and 286 transitions. Second operand 9 states. [2018-12-09 10:30:52,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:52,437 INFO L93 Difference]: Finished difference Result 284 states and 320 transitions. [2018-12-09 10:30:52,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 10:30:52,439 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2018-12-09 10:30:52,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:52,440 INFO L225 Difference]: With dead ends: 284 [2018-12-09 10:30:52,440 INFO L226 Difference]: Without dead ends: 284 [2018-12-09 10:30:52,440 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 [2018-12-09 10:30:52,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-12-09 10:30:52,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 258. [2018-12-09 10:30:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-12-09 10:30:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 292 transitions. [2018-12-09 10:30:52,447 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 292 transitions. Word has length 14 [2018-12-09 10:30:52,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:52,447 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 292 transitions. [2018-12-09 10:30:52,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 10:30:52,448 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 292 transitions. [2018-12-09 10:30:52,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 10:30:52,448 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:52,448 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:52,448 INFO L423 AbstractCegarLoop]: === Iteration 5 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-09 10:30:52,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:52,448 INFO L82 PathProgramCache]: Analyzing trace with hash 750740665, now seen corresponding path program 1 times [2018-12-09 10:30:52,449 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 10:30:52,449 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:30:52,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:52,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:52,716 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:52,717 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:30:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:52,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:30:52,798 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:30:52,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:30:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:30:52,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:52,876 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:30:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:30:53,027 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 10:30:53,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 7] total 13 [2018-12-09 10:30:53,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 10:30:53,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 10:30:53,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-12-09 10:30:53,028 INFO L87 Difference]: Start difference. First operand 258 states and 292 transitions. Second operand 13 states. [2018-12-09 10:30:53,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:30:53,463 INFO L93 Difference]: Finished difference Result 278 states and 312 transitions. [2018-12-09 10:30:53,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 10:30:53,465 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2018-12-09 10:30:53,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:30:53,466 INFO L225 Difference]: With dead ends: 278 [2018-12-09 10:30:53,466 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 10:30:53,466 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 [2018-12-09 10:30:53,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 10:30:53,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 10:30:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 10:30:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 312 transitions. [2018-12-09 10:30:53,471 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 312 transitions. Word has length 23 [2018-12-09 10:30:53,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:30:53,471 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 312 transitions. [2018-12-09 10:30:53,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 10:30:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 312 transitions. [2018-12-09 10:30:53,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 10:30:53,472 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:30:53,472 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:30:53,473 INFO L423 AbstractCegarLoop]: === Iteration 6 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr13REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr1REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-09 10:30:53,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:30:53,473 INFO L82 PathProgramCache]: Analyzing trace with hash 2044199370, now seen corresponding path program 2 times [2018-12-09 10:30:53,473 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 10:30:53,473 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0a5396-4e6a-4407-ab01-504f11a47acd/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 [2018-12-09 10:30:53,517 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-09 10:30:53,909 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-09 10:30:53,909 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 10:30:53,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:30:53,932 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 [2018-12-09 10:30:54,138 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 10:30:54,167 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:54,333 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 [2018-12-09 10:30:55,081 WARN L180 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2018-12-09 10:30:55,106 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:55,116 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:55,117 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 [2018-12-09 10:30:55,283 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2018-12-09 10:30:55,295 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:55,298 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:55,300 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:55,301 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:30:55,302 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 [2018-12-09 10:30:56,490 WARN L180 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2018-12-09 10:30:56,535 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:56,536 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:30:56,536 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:30:56,538 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 [2018-12-09 10:30:57,928 WARN L180 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2018-12-09 10:30:57,964 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:57,981 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:58,005 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:58,006 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:30:58,007 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 [2018-12-09 10:30:59,739 WARN L180 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2018-12-09 10:30:59,785 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:59,801 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:59,816 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:59,830 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:30:59,831 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:30:59,833 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 [2018-12-09 10:31:01,524 WARN L180 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2018-12-09 10:31:01,559 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:01,574 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:01,589 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:01,606 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:01,621 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:01,636 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:01,637 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:01,637 INFO L303 Elim1Store]: Index analysis took 111 ms [2018-12-09 10:31:01,638 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 [2018-12-09 10:31:03,257 WARN L180 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-09 10:31:03,286 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:03,297 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:03,308 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:03,318 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:03,330 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:03,340 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:03,340 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:03,342 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 [2018-12-09 10:31:03,352 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 [2018-12-09 10:31:03,353 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-09 10:31:03,513 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:03,673 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:03,848 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:04,036 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:04,245 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:04,450 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:04,678 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:05,045 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:05,055 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:05,057 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:05,241 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 [2018-12-09 10:31:07,159 WARN L180 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2018-12-09 10:31:07,193 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:07,208 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:07,222 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:07,223 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:07,224 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 [2018-12-09 10:31:08,379 WARN L180 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2018-12-09 10:31:08,431 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:08,452 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:08,453 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:08,454 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 [2018-12-09 10:31:09,921 WARN L180 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2018-12-09 10:31:09,959 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:09,960 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:09,961 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 [2018-12-09 10:31:10,197 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2018-12-09 10:31:10,209 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:10,211 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:10,213 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:10,216 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:10,218 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:10,220 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:10,221 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:10,224 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:10,226 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:10,229 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:10,230 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 [2018-12-09 10:31:11,927 WARN L180 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2018-12-09 10:31:11,973 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:11,987 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:12,003 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:12,018 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:12,035 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:12,051 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:12,052 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:12,052 INFO L303 Elim1Store]: Index analysis took 122 ms [2018-12-09 10:31:12,053 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 [2018-12-09 10:31:13,630 WARN L180 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 99 DAG size of output: 82 [2018-12-09 10:31:13,654 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:13,667 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:13,677 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:13,685 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:13,691 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:13,702 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:13,702 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:13,703 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 [2018-12-09 10:31:13,714 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 [2018-12-09 10:31:13,715 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-09 10:31:13,881 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:14,043 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:14,211 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:14,399 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:14,603 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:14,823 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:15,335 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:15,349 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:15,365 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:15,479 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:15,480 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:15,480 INFO L303 Elim1Store]: Index analysis took 181 ms [2018-12-09 10:31:15,681 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 [2018-12-09 10:31:18,196 WARN L180 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2018-12-09 10:31:18,241 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:18,262 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:18,262 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:18,263 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:18,264 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 [2018-12-09 10:31:19,573 WARN L180 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2018-12-09 10:31:19,613 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:19,631 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:19,632 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:19,633 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 [2018-12-09 10:31:19,845 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2018-12-09 10:31:19,853 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:19,855 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:19,857 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:19,859 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:19,859 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:19,860 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 [2018-12-09 10:31:20,125 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2018-12-09 10:31:20,133 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:20,136 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:20,137 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:20,139 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:20,140 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:20,141 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:20,142 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 [2018-12-09 10:31:21,794 WARN L180 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2018-12-09 10:31:21,820 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:21,834 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:21,846 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:21,860 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:21,860 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:21,861 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:21,862 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 [2018-12-09 10:31:21,880 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 [2018-12-09 10:31:21,881 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-09 10:31:22,062 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:22,226 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:22,407 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:22,593 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:22,829 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:23,397 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:23,422 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:23,489 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:23,544 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:23,560 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:23,620 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:23,621 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:23,621 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:23,621 INFO L303 Elim1Store]: Index analysis took 278 ms [2018-12-09 10:31:23,824 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 [2018-12-09 10:31:27,062 WARN L180 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2018-12-09 10:31:27,102 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:27,116 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:27,131 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:27,146 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:27,163 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:27,163 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:27,164 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:27,164 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:27,165 INFO L303 Elim1Store]: Index analysis took 101 ms [2018-12-09 10:31:27,166 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 [2018-12-09 10:31:28,850 WARN L180 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2018-12-09 10:31:28,892 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:28,906 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:28,920 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:28,937 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:28,949 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:28,970 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:28,986 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:28,987 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:28,987 INFO L303 Elim1Store]: Index analysis took 136 ms [2018-12-09 10:31:28,988 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 [2018-12-09 10:31:30,650 WARN L180 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2018-12-09 10:31:30,682 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:30,694 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:30,709 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:30,724 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:30,739 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:30,754 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:30,755 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:30,755 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:30,756 INFO L303 Elim1Store]: Index analysis took 103 ms [2018-12-09 10:31:30,757 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 [2018-12-09 10:31:32,399 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2018-12-09 10:31:32,423 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:32,435 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:32,444 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:32,453 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:32,462 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:32,473 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:32,484 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:32,495 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:32,495 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:32,497 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 [2018-12-09 10:31:32,506 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 [2018-12-09 10:31:32,507 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-09 10:31:32,683 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:32,843 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:33,028 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:33,264 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:33,845 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:33,916 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:33,937 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:33,998 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:34,019 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:34,042 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:34,059 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:34,097 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:34,098 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:34,099 INFO L303 Elim1Store]: Index analysis took 303 ms [2018-12-09 10:31:34,291 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 [2018-12-09 10:31:38,023 WARN L180 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 115 DAG size of output: 94 [2018-12-09 10:31:38,059 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:38,078 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:38,092 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:38,109 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:38,126 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:38,127 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:38,127 INFO L303 Elim1Store]: Index analysis took 103 ms [2018-12-09 10:31:38,128 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 [2018-12-09 10:31:39,849 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2018-12-09 10:31:39,885 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:39,900 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:39,916 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:39,934 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:39,950 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:39,950 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:39,951 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 [2018-12-09 10:31:41,538 WARN L180 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2018-12-09 10:31:41,563 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:41,575 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:41,582 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:41,594 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:41,594 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:41,596 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 [2018-12-09 10:31:41,605 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 [2018-12-09 10:31:41,606 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-12-09 10:31:41,770 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:41,943 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:42,170 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:42,717 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,734 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,754 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,808 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,825 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,842 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,858 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,875 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,893 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,945 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,966 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:42,985 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:43,006 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:43,026 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:43,048 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:43,070 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:43,131 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:43,132 INFO L303 Elim1Store]: Index analysis took 462 ms [2018-12-09 10:31:43,279 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 [2018-12-09 10:31:47,099 WARN L180 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2018-12-09 10:31:47,140 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:47,156 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:47,204 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:47,221 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:47,238 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:47,288 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:47,307 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:47,324 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:47,341 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:47,390 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:47,391 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:47,391 INFO L303 Elim1Store]: Index analysis took 290 ms [2018-12-09 10:31:47,477 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 [2018-12-09 10:31:49,977 WARN L180 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 145 DAG size of output: 115 [2018-12-09 10:31:50,004 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,015 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,026 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,036 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,050 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,065 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,079 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,093 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,105 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,106 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:50,106 INFO L303 Elim1Store]: Index analysis took 127 ms [2018-12-09 10:31:50,107 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 [2018-12-09 10:31:50,119 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 [2018-12-09 10:31:50,120 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-12-09 10:31:50,354 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:50,851 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,853 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,855 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,860 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,862 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,863 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,865 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,867 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,872 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,874 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,876 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,878 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,879 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,884 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:50,884 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:50,912 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 [2018-12-09 10:31:50,923 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 [2018-12-09 10:31:50,923 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-12-09 10:31:51,794 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,801 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,807 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,813 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,818 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,826 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,847 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,853 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,859 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,865 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,871 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:51,884 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:51,885 INFO L303 Elim1Store]: Index analysis took 108 ms [2018-12-09 10:31:51,913 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 [2018-12-09 10:31:51,914 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-12-09 10:31:52,929 INFO L267 ElimStorePlain]: Start of recursive call 42: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 10:31:54,079 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-09 10:31:55,512 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:55,528 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:55,543 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:55,556 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:55,571 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:55,587 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:55,605 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:55,608 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:55,608 INFO L303 Elim1Store]: Index analysis took 129 ms [2018-12-09 10:31:55,609 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 [2018-12-09 10:31:57,188 WARN L180 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2018-12-09 10:31:57,213 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:57,223 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:57,232 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:57,242 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:57,251 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:57,260 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:57,275 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:57,285 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:57,294 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:31:57,295 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 10:31:57,295 INFO L303 Elim1Store]: Index analysis took 105 ms [2018-12-09 10:31:57,296 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 [2018-12-09 10:31:57,307 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 [2018-12-09 10:31:57,308 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-12-09 10:31:57,485 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:57,721 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 10:31:59,118 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-09 10:32:00,725 INFO L267 ElimStorePlain]: Start of recursive call 33: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-12-09 10:32:02,563 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-12-09 10:32:04,711 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-12-09 10:32:07,107 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-12-09 10:32:09,670 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-12-09 10:32:12,225 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-12-09 10:32:15,149 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:32:15,153 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 10:32:15,154 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 [2018-12-09 10:32:15,156 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-12-09 10:32:18,046 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. [2018-12-09 10:32:18,047 INFO L202 ElimStorePlain]: Needed 48 recursive calls to eliminate 10 variables, input treesize:221, output treesize:2021 [2018-12-09 10:32:38,202 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-09 10:32:38,403 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 10:32:38,405 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 [2018-12-09 10:32:38,412 INFO L168 Benchmark]: Toolchain (without parser) took 113058.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 254.8 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -227.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:32:38,413 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-12-09 10:32:38,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:32:38,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.39 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:32:38,414 INFO L168 Benchmark]: Boogie Preprocessor took 41.28 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:32:38,414 INFO L168 Benchmark]: RCFGBuilder took 1039.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 943.3 MB in the end (delta: 98.8 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:32:38,414 INFO L168 Benchmark]: TraceAbstraction took 111388.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.3 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:32:38,417 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 557.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.39 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.28 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1039.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 943.3 MB in the end (delta: 98.8 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 111388.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.3 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -223.5 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...