./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec7b34841527490886cd362d78588ff0f0e72200 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec7b34841527490886cd362d78588ff0f0e72200 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_47 input size 18 context size 18 output size 18 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:54:06,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:54:06,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:54:06,820 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:54:06,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:54:06,821 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:54:06,822 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:54:06,823 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:54:06,824 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:54:06,824 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:54:06,825 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:54:06,825 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:54:06,825 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:54:06,826 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:54:06,827 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:54:06,827 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:54:06,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:54:06,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:54:06,830 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:54:06,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:54:06,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:54:06,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:54:06,834 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:54:06,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:54:06,835 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:54:06,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:54:06,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:54:06,836 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:54:06,837 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:54:06,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:54:06,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:54:06,838 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:54:06,839 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:54:06,839 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:54:06,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:54:06,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:54:06,840 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 01:54:06,848 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:54:06,848 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:54:06,848 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:54:06,849 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:54:06,849 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:54:06,849 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:54:06,849 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:54:06,849 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:54:06,849 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:54:06,849 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:54:06,850 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:54:06,850 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:54:06,850 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:54:06,850 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:54:06,850 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:54:06,851 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:54:06,851 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:54:06,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:54:06,851 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:54:06,851 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:54:06,851 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:54:06,851 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:54:06,851 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:54:06,852 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:54:06,852 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:54:06,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:54:06,852 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:54:06,852 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:54:06,852 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:54:06,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:54:06,853 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:54:06,853 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:54:06,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:54:06,853 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:54:06,853 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:54:06,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:54:06,853 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:54:06,853 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_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec7b34841527490886cd362d78588ff0f0e72200 [2018-11-23 01:54:06,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:54:06,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:54:06,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:54:06,890 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:54:06,890 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:54:06,891 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-11-23 01:54:06,932 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/data/4e6a07590/bc00d9ee54794afaa66beafc0652ec01/FLAGc67e9f86c [2018-11-23 01:54:07,278 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:54:07,278 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-11-23 01:54:07,287 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/data/4e6a07590/bc00d9ee54794afaa66beafc0652ec01/FLAGc67e9f86c [2018-11-23 01:54:07,295 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/data/4e6a07590/bc00d9ee54794afaa66beafc0652ec01 [2018-11-23 01:54:07,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:54:07,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:54:07,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:54:07,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:54:07,301 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:54:07,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6541d289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07, skipping insertion in model container [2018-11-23 01:54:07,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:54:07,344 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:54:07,544 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:54:07,549 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:54:07,621 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:54:07,652 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:54:07,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07 WrapperNode [2018-11-23 01:54:07,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:54:07,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:54:07,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:54:07,654 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:54:07,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:54:07,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:54:07,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:54:07,681 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:54:07,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (1/1) ... [2018-11-23 01:54:07,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:54:07,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:54:07,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:54:07,712 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:54:07,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/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 [2018-11-23 01:54:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:54:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 01:54:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 01:54:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:54:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:54:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:54:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:54:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 01:54:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 01:54:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:54:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:54:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:54:08,078 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:54:08,078 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-11-23 01:54:08,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:08 BoogieIcfgContainer [2018-11-23 01:54:08,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:54:08,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:54:08,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:54:08,081 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:54:08,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:54:07" (1/3) ... [2018-11-23 01:54:08,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad8d6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:54:08, skipping insertion in model container [2018-11-23 01:54:08,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:07" (2/3) ... [2018-11-23 01:54:08,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad8d6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:54:08, skipping insertion in model container [2018-11-23 01:54:08,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:08" (3/3) ... [2018-11-23 01:54:08,083 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-11-23 01:54:08,089 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:54:08,097 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-11-23 01:54:08,106 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-11-23 01:54:08,127 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:54:08,127 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:54:08,127 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:54:08,127 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:54:08,127 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:54:08,128 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:54:08,128 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:54:08,128 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:54:08,139 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-11-23 01:54:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 01:54:08,144 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:08,144 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:08,146 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:08,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:08,151 INFO L82 PathProgramCache]: Analyzing trace with hash -810975847, now seen corresponding path program 1 times [2018-11-23 01:54:08,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:54:08,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:08,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:54:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:08,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:08,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:54:08,263 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:54:08,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:54:08,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:54:08,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:54:08,275 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-11-23 01:54:08,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:08,290 INFO L93 Difference]: Finished difference Result 92 states and 146 transitions. [2018-11-23 01:54:08,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:54:08,291 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-11-23 01:54:08,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:08,297 INFO L225 Difference]: With dead ends: 92 [2018-11-23 01:54:08,297 INFO L226 Difference]: Without dead ends: 44 [2018-11-23 01:54:08,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:54:08,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-23 01:54:08,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-23 01:54:08,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 01:54:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2018-11-23 01:54:08,325 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 12 [2018-11-23 01:54:08,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:08,325 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2018-11-23 01:54:08,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:54:08,325 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2018-11-23 01:54:08,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 01:54:08,326 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:08,326 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:08,326 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:08,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:08,327 INFO L82 PathProgramCache]: Analyzing trace with hash 409991454, now seen corresponding path program 1 times [2018-11-23 01:54:08,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:54:08,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:08,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:54:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:08,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:08,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:54:08,397 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:54:08,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:54:08,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:54:08,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:54:08,399 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 4 states. [2018-11-23 01:54:08,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:08,481 INFO L93 Difference]: Finished difference Result 74 states and 88 transitions. [2018-11-23 01:54:08,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:54:08,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-23 01:54:08,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:08,483 INFO L225 Difference]: With dead ends: 74 [2018-11-23 01:54:08,483 INFO L226 Difference]: Without dead ends: 70 [2018-11-23 01:54:08,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:54:08,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-23 01:54:08,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 45. [2018-11-23 01:54:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-23 01:54:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2018-11-23 01:54:08,489 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 12 [2018-11-23 01:54:08,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:08,489 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2018-11-23 01:54:08,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:54:08,490 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2018-11-23 01:54:08,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 01:54:08,490 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:08,490 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:08,490 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:08,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:08,491 INFO L82 PathProgramCache]: Analyzing trace with hash -138901270, now seen corresponding path program 1 times [2018-11-23 01:54:08,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:54:08,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:08,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,493 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:54:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:08,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:08,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:54:08,531 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:54:08,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:54:08,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:54:08,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:54:08,532 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand 3 states. [2018-11-23 01:54:08,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:08,564 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-11-23 01:54:08,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:54:08,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-23 01:54:08,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:08,566 INFO L225 Difference]: With dead ends: 49 [2018-11-23 01:54:08,566 INFO L226 Difference]: Without dead ends: 47 [2018-11-23 01:54:08,566 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:54:08,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-23 01:54:08,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2018-11-23 01:54:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-23 01:54:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2018-11-23 01:54:08,571 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 13 [2018-11-23 01:54:08,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:08,571 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2018-11-23 01:54:08,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:54:08,571 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2018-11-23 01:54:08,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 01:54:08,571 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:08,571 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:08,572 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:08,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:08,572 INFO L82 PathProgramCache]: Analyzing trace with hash -10936096, now seen corresponding path program 1 times [2018-11-23 01:54:08,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:54:08,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:08,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:54:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:08,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:08,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:54:08,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:54:08,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:54:08,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:54:08,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:54:08,751 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand 5 states. [2018-11-23 01:54:08,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:08,858 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2018-11-23 01:54:08,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 01:54:08,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-23 01:54:08,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:08,860 INFO L225 Difference]: With dead ends: 65 [2018-11-23 01:54:08,860 INFO L226 Difference]: Without dead ends: 54 [2018-11-23 01:54:08,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:54:08,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-23 01:54:08,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2018-11-23 01:54:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-23 01:54:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-11-23 01:54:08,865 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 14 [2018-11-23 01:54:08,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:08,866 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-11-23 01:54:08,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:54:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-11-23 01:54:08,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 01:54:08,867 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:08,867 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:08,867 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:08,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:08,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1135076446, now seen corresponding path program 1 times [2018-11-23 01:54:08,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:54:08,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:08,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,869 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:54:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:08,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:08,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:08,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:54:08,895 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:54:08,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:54:08,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:54:08,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:54:08,896 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 3 states. [2018-11-23 01:54:08,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:08,976 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-11-23 01:54:08,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:54:08,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-23 01:54:08,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:08,977 INFO L225 Difference]: With dead ends: 49 [2018-11-23 01:54:08,977 INFO L226 Difference]: Without dead ends: 47 [2018-11-23 01:54:08,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:54:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-23 01:54:08,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2018-11-23 01:54:08,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-23 01:54:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2018-11-23 01:54:08,982 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 14 [2018-11-23 01:54:08,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:08,983 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2018-11-23 01:54:08,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:54:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2018-11-23 01:54:08,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 01:54:08,984 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:08,984 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:08,984 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:08,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:08,984 INFO L82 PathProgramCache]: Analyzing trace with hash 993366976, now seen corresponding path program 1 times [2018-11-23 01:54:08,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:54:08,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:08,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:08,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:54:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:09,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:54:09,169 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:54:09,169 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-11-23 01:54:09,171 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [10], [13], [116], [125], [132], [134], [138], [141], [142], [166], [170], [175], [181], [182], [183] [2018-11-23 01:54:09,198 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:54:09,198 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:54:09,349 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:54:09,350 INFO L272 AbstractInterpreter]: Visited 18 different actions 27 times. Merged at 9 different actions 9 times. Never widened. Performed 276 root evaluator evaluations with a maximum evaluation depth of 3. Performed 276 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 41 variables. [2018-11-23 01:54:09,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:09,363 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:54:09,363 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:54:09,364 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/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 [2018-11-23 01:54:09,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:09,376 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:54:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:09,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:54:10,300 WARN L180 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2018-11-23 01:54:10,322 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:54:10,325 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-11-23 01:54:10,352 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:54:10,358 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:54:10,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-11-23 01:54:10,359 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 01:54:10,425 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:54:10,593 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:54:10,611 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:54:10,785 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2018-11-23 01:54:10,792 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 13 treesize of output 16 [2018-11-23 01:54:10,802 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:54:10,809 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 01:54:10,809 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 01:54:10,835 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:54:10,890 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:54:10,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 77 [2018-11-23 01:54:10,942 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 38 treesize of output 35 [2018-11-23 01:54:10,942 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 01:54:11,007 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 58 [2018-11-23 01:54:11,015 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:54:11,021 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 01:54:11,022 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 01:54:11,080 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 17 treesize of output 20 [2018-11-23 01:54:11,284 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:54:11,285 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) 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) [2018-11-23 01:54:11,287 INFO L168 Benchmark]: Toolchain (without parser) took 3990.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 232.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:11,288 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:54:11,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:11,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:11,289 INFO L168 Benchmark]: Boogie Preprocessor took 31.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:11,290 INFO L168 Benchmark]: RCFGBuilder took 366.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:11,290 INFO L168 Benchmark]: TraceAbstraction took 3207.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.7 MB). Peak memory consumption was 226.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:11,293 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 366.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3207.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.7 MB). Peak memory consumption was 226.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 01:54:12,646 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:54:12,648 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:54:12,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:54:12,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:54:12,657 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:54:12,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:54:12,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:54:12,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:54:12,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:54:12,661 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:54:12,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:54:12,662 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:54:12,663 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:54:12,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:54:12,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:54:12,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:54:12,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:54:12,667 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:54:12,668 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:54:12,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:54:12,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:54:12,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:54:12,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:54:12,671 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:54:12,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:54:12,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:54:12,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:54:12,674 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:54:12,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:54:12,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:54:12,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:54:12,675 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:54:12,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:54:12,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:54:12,676 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:54:12,677 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 01:54:12,687 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:54:12,687 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:54:12,688 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:54:12,688 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:54:12,688 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:54:12,688 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:54:12,688 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:54:12,688 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:54:12,689 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:54:12,689 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:54:12,689 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:54:12,689 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:54:12,690 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:54:12,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:54:12,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:54:12,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:54:12,690 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:54:12,690 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 01:54:12,690 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 01:54:12,691 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:54:12,691 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:54:12,691 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:54:12,691 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:54:12,691 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:54:12,691 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:54:12,692 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:54:12,692 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:54:12,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:54:12,692 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:54:12,692 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:54:12,692 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:54:12,692 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 01:54:12,693 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:54:12,693 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 01:54:12,693 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 01:54:12,693 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec7b34841527490886cd362d78588ff0f0e72200 [2018-11-23 01:54:12,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:54:12,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:54:12,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:54:12,736 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:54:12,737 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:54:12,737 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-11-23 01:54:12,779 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/data/e10e2254a/fd9c25b98b664d61be769101e3bcdd63/FLAG1082b7d5d [2018-11-23 01:54:13,133 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:54:13,134 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-11-23 01:54:13,142 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/data/e10e2254a/fd9c25b98b664d61be769101e3bcdd63/FLAG1082b7d5d [2018-11-23 01:54:13,538 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/data/e10e2254a/fd9c25b98b664d61be769101e3bcdd63 [2018-11-23 01:54:13,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:54:13,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:54:13,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:54:13,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:54:13,546 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:54:13,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec5c604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13, skipping insertion in model container [2018-11-23 01:54:13,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:54:13,593 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:54:13,817 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:54:13,827 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:54:13,865 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:54:13,898 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:54:13,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13 WrapperNode [2018-11-23 01:54:13,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:54:13,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:54:13,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:54:13,899 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:54:13,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:54:13,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:54:13,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:54:13,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:54:13,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (1/1) ... [2018-11-23 01:54:13,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:54:13,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:54:13,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:54:13,999 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:54:13,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/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 [2018-11-23 01:54:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:54:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 01:54:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:54:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:54:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:54:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:54:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 01:54:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 01:54:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:54:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 01:54:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:54:14,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:54:16,358 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:54:16,358 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-11-23 01:54:16,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:16 BoogieIcfgContainer [2018-11-23 01:54:16,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:54:16,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:54:16,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:54:16,363 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:54:16,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:54:13" (1/3) ... [2018-11-23 01:54:16,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304224ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:54:16, skipping insertion in model container [2018-11-23 01:54:16,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:13" (2/3) ... [2018-11-23 01:54:16,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304224ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:54:16, skipping insertion in model container [2018-11-23 01:54:16,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:16" (3/3) ... [2018-11-23 01:54:16,367 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-11-23 01:54:16,375 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:54:16,381 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-11-23 01:54:16,395 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-11-23 01:54:16,416 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:54:16,416 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:54:16,416 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:54:16,416 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:54:16,417 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:54:16,417 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:54:16,417 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:54:16,417 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:54:16,417 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:54:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-11-23 01:54:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:54:16,434 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:16,434 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:16,436 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:16,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:16,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1677476360, now seen corresponding path program 1 times [2018-11-23 01:54:16,442 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:54:16,442 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:54:16,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:16,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:54:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:16,535 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:54:16,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:16,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:54:16,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:54:16,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:54:16,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:54:16,549 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2018-11-23 01:54:16,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:16,666 INFO L93 Difference]: Finished difference Result 115 states and 191 transitions. [2018-11-23 01:54:16,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:54:16,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-11-23 01:54:16,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:16,675 INFO L225 Difference]: With dead ends: 115 [2018-11-23 01:54:16,675 INFO L226 Difference]: Without dead ends: 68 [2018-11-23 01:54:16,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:54:16,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-23 01:54:16,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 44. [2018-11-23 01:54:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 01:54:16,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2018-11-23 01:54:16,709 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 11 [2018-11-23 01:54:16,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:16,710 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2018-11-23 01:54:16,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:54:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2018-11-23 01:54:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 01:54:16,710 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:16,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:16,711 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:16,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:16,711 INFO L82 PathProgramCache]: Analyzing trace with hash 498425151, now seen corresponding path program 1 times [2018-11-23 01:54:16,712 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:54:16,712 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:54:16,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:16,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:54:16,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:16,776 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 01:54:16,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:16,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:54:16,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:54:16,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:54:16,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:54:16,780 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand 3 states. [2018-11-23 01:54:16,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:16,858 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2018-11-23 01:54:16,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:54:16,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-23 01:54:16,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:16,860 INFO L225 Difference]: With dead ends: 47 [2018-11-23 01:54:16,860 INFO L226 Difference]: Without dead ends: 45 [2018-11-23 01:54:16,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:54:16,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-23 01:54:16,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-11-23 01:54:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 01:54:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2018-11-23 01:54:16,867 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 12 [2018-11-23 01:54:16,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:16,868 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2018-11-23 01:54:16,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:54:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2018-11-23 01:54:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 01:54:16,868 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:16,868 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:16,870 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:16,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:16,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1728653526, now seen corresponding path program 1 times [2018-11-23 01:54:16,871 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 01:54:16,871 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 01:54:16,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:16,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:56:03,863 WARN L180 SmtUtils]: Spent 1.78 m on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2018-11-23 01:56:05,706 INFO L303 Elim1Store]: Index analysis took 1838 ms [2018-11-23 01:56:05,710 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-23 01:56:05,710 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 01:56:45,909 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:56:48,566 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:56:48,568 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:56:50,313 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:57:31,902 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:57:36,863 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:57:36,866 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:57:39,396 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:58:20,846 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:58:22,697 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:58:22,699 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:58:24,965 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 01:58:58,234 INFO L303 Elim1Store]: Index analysis took 264 ms [2018-11-23 01:58:58,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 67 [2018-11-23 01:58:58,283 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 13 treesize of output 16 [2018-11-23 01:58:58,392 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:58:58,492 INFO L303 Elim1Store]: Index analysis took 207 ms [2018-11-23 01:58:58,492 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 01:58:58,493 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 01:58:58,783 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:59:00,954 INFO L303 Elim1Store]: Index analysis took 259 ms [2018-11-23 01:59:00,955 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 65 [2018-11-23 01:59:00,995 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 45 treesize of output 42 [2018-11-23 01:59:01,092 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:01,191 INFO L303 Elim1Store]: Index analysis took 194 ms [2018-11-23 01:59:01,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2018-11-23 01:59:01,283 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:01,328 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:01,377 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:01,593 INFO L303 Elim1Store]: Index analysis took 397 ms [2018-11-23 01:59:01,594 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 61 [2018-11-23 01:59:01,595 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 01:59:01,815 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:59:02,089 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:59:02,888 INFO L303 Elim1Store]: Index analysis took 298 ms [2018-11-23 01:59:02,889 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 55 [2018-11-23 01:59:02,922 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:02,954 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:03,001 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:03,258 INFO L303 Elim1Store]: Index analysis took 366 ms [2018-11-23 01:59:03,295 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 73 [2018-11-23 01:59:03,297 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 8 xjuncts. [2018-11-23 01:59:04,573 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 01:59:05,690 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-23 01:59:14,675 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-23 01:59:15,824 INFO L303 Elim1Store]: Index analysis took 1148 ms [2018-11-23 01:59:15,825 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 74 treesize of output 65 [2018-11-23 01:59:16,105 INFO L303 Elim1Store]: Index analysis took 278 ms [2018-11-23 01:59:16,105 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 13 treesize of output 16 [2018-11-23 01:59:16,469 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:17,009 INFO L303 Elim1Store]: Index analysis took 902 ms [2018-11-23 01:59:17,010 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 01:59:17,010 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-23 01:59:18,691 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:59:28,923 INFO L303 Elim1Store]: Index analysis took 3463 ms [2018-11-23 01:59:28,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-11-23 01:59:29,111 INFO L303 Elim1Store]: Index analysis took 186 ms [2018-11-23 01:59:29,112 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 29 treesize of output 25 [2018-11-23 01:59:29,113 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-23 01:59:31,149 INFO L303 Elim1Store]: Index analysis took 812 ms [2018-11-23 01:59:31,169 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 59 [2018-11-23 01:59:31,386 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:31,666 INFO L303 Elim1Store]: Index analysis took 495 ms [2018-11-23 01:59:31,666 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2018-11-23 01:59:31,667 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-23 01:59:33,464 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 01:59:35,055 INFO L303 Elim1Store]: Index analysis took 154 ms [2018-11-23 01:59:35,056 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 55 treesize of output 53 [2018-11-23 01:59:35,098 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 12 treesize of output 1 [2018-11-23 01:59:35,098 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-23 01:59:35,633 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:35,753 INFO L303 Elim1Store]: Index analysis took 347 ms [2018-11-23 01:59:35,754 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-23 01:59:35,886 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:35,959 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:35,993 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:36,356 INFO L303 Elim1Store]: Index analysis took 601 ms [2018-11-23 01:59:36,357 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-11-23 01:59:36,357 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-23 01:59:36,684 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:59:37,009 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:59:37,756 INFO L303 Elim1Store]: Index analysis took 746 ms [2018-11-23 01:59:37,756 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-11-23 01:59:38,037 INFO L303 Elim1Store]: Index analysis took 279 ms [2018-11-23 01:59:38,037 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 12 treesize of output 1 [2018-11-23 01:59:38,038 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-23 01:59:38,669 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:38,816 INFO L303 Elim1Store]: Index analysis took 349 ms [2018-11-23 01:59:38,817 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-23 01:59:39,204 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:39,362 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:39,474 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 01:59:40,200 INFO L303 Elim1Store]: Index analysis took 1381 ms [2018-11-23 01:59:40,201 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-11-23 01:59:40,201 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-23 01:59:41,014 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:59:41,339 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 01:59:42,439 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 01:59:49,033 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:00:06,341 INFO L303 Elim1Store]: Index analysis took 175 ms [2018-11-23 02:00:06,342 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 69 [2018-11-23 02:00:06,351 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 13 treesize of output 16 [2018-11-23 02:00:06,362 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:06,380 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 02:00:06,380 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:06,437 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:06,627 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 67 [2018-11-23 02:00:06,635 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 47 treesize of output 44 [2018-11-23 02:00:06,646 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:06,657 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 49 [2018-11-23 02:00:06,669 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:06,673 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:06,677 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:06,695 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 67 [2018-11-23 02:00:06,696 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:06,754 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:06,793 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:06,937 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2018-11-23 02:00:06,947 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:06,951 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:06,962 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:07,052 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-11-23 02:00:07,090 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 88 [2018-11-23 02:00:07,097 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-23 02:00:07,097 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:07,511 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:07,514 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:07,517 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:07,522 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:07,523 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:00:07,564 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 72 [2018-11-23 02:00:07,576 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:07,582 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:07,587 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:07,630 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 73 [2018-11-23 02:00:07,630 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:07,697 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:08,350 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,356 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,363 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,369 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,373 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 72 [2018-11-23 02:00:08,434 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,441 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,448 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,455 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,463 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,468 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,476 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,554 INFO L303 Elim1Store]: Index analysis took 134 ms [2018-11-23 02:00:08,555 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 84 [2018-11-23 02:00:08,555 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:08,666 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:08,916 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,919 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,919 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:00:08,922 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,940 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 38 treesize of output 72 [2018-11-23 02:00:08,949 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,951 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:08,954 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:00:08,963 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 65 [2018-11-23 02:00:08,963 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:08,992 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:09,276 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:09,278 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:09,297 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:09,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 76 [2018-11-23 02:00:09,410 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:09,490 INFO L303 Elim1Store]: Index analysis took 113 ms [2018-11-23 02:00:09,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 85 [2018-11-23 02:00:09,511 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 2 xjuncts. [2018-11-23 02:00:09,752 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:09,755 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:09,758 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:09,761 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:09,761 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:00:09,764 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:09,780 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 83 [2018-11-23 02:00:09,780 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:09,974 INFO L267 ElimStorePlain]: Start of recursive call 55: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 02:00:10,578 INFO L267 ElimStorePlain]: Start of recursive call 47: 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 02:00:10,958 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 02:00:11,333 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-11-23 02:00:11,713 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-11-23 02:00:12,200 INFO L303 Elim1Store]: Index analysis took 486 ms [2018-11-23 02:00:12,200 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 76 treesize of output 67 [2018-11-23 02:00:12,229 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 13 treesize of output 16 [2018-11-23 02:00:12,248 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:12,286 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 02:00:12,286 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:12,429 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:12,741 INFO L303 Elim1Store]: Index analysis took 136 ms [2018-11-23 02:00:12,741 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-11-23 02:00:12,748 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 29 treesize of output 25 [2018-11-23 02:00:12,749 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:12,849 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 49 treesize of output 61 [2018-11-23 02:00:12,857 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:12,862 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-11-23 02:00:12,863 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:12,963 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:00:13,058 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2018-11-23 02:00:13,081 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:13,087 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-23 02:00:13,108 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:13,112 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:13,122 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:13,145 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-11-23 02:00:13,146 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,190 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,230 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 14 treesize of output 17 [2018-11-23 02:00:13,240 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2018-11-23 02:00:13,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-11-23 02:00:13,259 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,280 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,297 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,330 INFO L267 ElimStorePlain]: Start of recursive call 65: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,343 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 57 treesize of output 55 [2018-11-23 02:00:13,350 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 14 treesize of output 17 [2018-11-23 02:00:13,363 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2018-11-23 02:00:13,383 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-11-23 02:00:13,383 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,415 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,452 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,519 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:13,524 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-23 02:00:13,532 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:13,534 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:13,536 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:13,545 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 50 [2018-11-23 02:00:13,545 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,570 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,608 INFO L267 ElimStorePlain]: Start of recursive call 71: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:13,703 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:00:13,811 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:00:14,907 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 74 [2018-11-23 02:00:14,915 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 65 treesize of output 67 [2018-11-23 02:00:14,931 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2018-11-23 02:00:14,931 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:14,974 INFO L267 ElimStorePlain]: Start of recursive call 78: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,106 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,108 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,108 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:00:15,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2018-11-23 02:00:15,122 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,128 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-11-23 02:00:15,128 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,161 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,225 INFO L267 ElimStorePlain]: Start of recursive call 77: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:00:15,269 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-11-23 02:00:15,277 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,288 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-11-23 02:00:15,295 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,296 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,298 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,306 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 40 [2018-11-23 02:00:15,307 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,332 INFO L267 ElimStorePlain]: Start of recursive call 83: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,367 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,390 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-11-23 02:00:15,397 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,398 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:00:15,403 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-11-23 02:00:15,409 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,413 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-11-23 02:00:15,414 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,425 INFO L267 ElimStorePlain]: Start of recursive call 86: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,449 INFO L267 ElimStorePlain]: Start of recursive call 85: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,489 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-11-23 02:00:15,499 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,502 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,508 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,573 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 63 [2018-11-23 02:00:15,584 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,589 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,593 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,596 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,602 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,625 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 80 [2018-11-23 02:00:15,626 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,777 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,779 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,779 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:00:15,781 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,790 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 50 [2018-11-23 02:00:15,790 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:15,925 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,927 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,934 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:15,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 70 [2018-11-23 02:00:15,988 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 4 xjuncts. [2018-11-23 02:00:16,213 INFO L267 ElimStorePlain]: Start of recursive call 89: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 02:00:16,333 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 02:00:16,367 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2018-11-23 02:00:16,372 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 11 treesize of output 14 [2018-11-23 02:00:16,376 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2018-11-23 02:00:16,376 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:16,389 INFO L267 ElimStorePlain]: Start of recursive call 94: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:16,424 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:16,489 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-11-23 02:00:16,496 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:16,498 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:16,500 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:16,510 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 48 [2018-11-23 02:00:16,523 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:16,526 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:16,528 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:16,530 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:16,533 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:16,542 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 65 [2018-11-23 02:00:16,542 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:16,581 INFO L267 ElimStorePlain]: Start of recursive call 97: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:16,621 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:17,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 37 xjuncts. [2018-11-23 02:00:17,273 INFO L202 ElimStorePlain]: Needed 98 recursive calls to eliminate 10 variables, input treesize:212, output treesize:4611 [2018-11-23 02:00:18,985 WARN L180 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 211 DAG size of output: 88 [2018-11-23 02:00:19,309 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-11-23 02:00:19,320 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:19,321 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 79 [2018-11-23 02:00:19,325 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:19,325 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-23 02:00:19,325 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:19,341 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-11-23 02:00:19,341 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:19,351 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:19,630 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:19,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 85 [2018-11-23 02:00:19,638 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 29 [2018-11-23 02:00:19,639 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:19,651 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:19,918 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 136 [2018-11-23 02:00:19,925 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 103 [2018-11-23 02:00:19,926 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:20,116 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 103 [2018-11-23 02:00:20,116 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:20,296 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 93 [2018-11-23 02:00:20,297 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:20,464 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:20,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 82 [2018-11-23 02:00:20,467 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:20,626 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:20,643 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 98 [2018-11-23 02:00:20,644 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 02:00:20,839 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:20,860 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 102 [2018-11-23 02:00:20,861 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 02:00:21,099 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:21,101 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 74 [2018-11-23 02:00:21,101 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:21,295 INFO L267 ElimStorePlain]: Start of recursive call 7: 7 dim-1 vars, End of recursive call: 7 dim-0 vars, and 6 xjuncts. [2018-11-23 02:00:21,904 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:21,905 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:21,906 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 46 treesize of output 42 [2018-11-23 02:00:21,911 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:21,928 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2018-11-23 02:00:21,929 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:21,940 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:21,941 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2018-11-23 02:00:21,941 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:21,947 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:22,614 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 52 [2018-11-23 02:00:22,619 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:22,620 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-11-23 02:00:22,620 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:22,634 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-23 02:00:22,634 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:22,643 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:22,656 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 56 [2018-11-23 02:00:22,660 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:22,661 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-11-23 02:00:22,661 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:22,715 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 37 [2018-11-23 02:00:22,716 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:22,766 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:22,771 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2018-11-23 02:00:22,771 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:22,797 INFO L267 ElimStorePlain]: Start of recursive call 21: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:22,801 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:22,805 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:22,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 76 [2018-11-23 02:00:22,821 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:22,822 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2018-11-23 02:00:22,822 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:22,976 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 37 [2018-11-23 02:00:22,976 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,039 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2018-11-23 02:00:23,039 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,089 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 45 [2018-11-23 02:00:23,090 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:23,133 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:23,134 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:23,136 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2018-11-23 02:00:23,136 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,165 INFO L267 ElimStorePlain]: Start of recursive call 25: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:00:23,169 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2018-11-23 02:00:23,174 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:23,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 10 [2018-11-23 02:00:23,177 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,183 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-23 02:00:23,184 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,187 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,208 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 66 [2018-11-23 02:00:23,213 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:23,214 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-11-23 02:00:23,214 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,306 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2018-11-23 02:00:23,306 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,390 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2018-11-23 02:00:23,391 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,460 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 41 [2018-11-23 02:00:23,460 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:23,526 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:23,529 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2018-11-23 02:00:23,529 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,580 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2018-11-23 02:00:23,580 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,596 INFO L267 ElimStorePlain]: Start of recursive call 34: 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,616 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 60 [2018-11-23 02:00:23,620 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:00:23,621 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 20 [2018-11-23 02:00:23,621 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,675 INFO L267 ElimStorePlain]: Start of recursive call 41: 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,874 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 91 [2018-11-23 02:00:23,877 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:23,877 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-11-23 02:00:23,877 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:23,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 32 [2018-11-23 02:00:23,896 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:23,910 INFO L267 ElimStorePlain]: Start of recursive call 43: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:24,074 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:24,075 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:24,076 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 43 treesize of output 39 [2018-11-23 02:00:24,079 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:24,087 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2018-11-23 02:00:24,088 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 02:00:24,104 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2018-11-23 02:00:24,104 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:24,109 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:24,251 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2018-11-23 02:00:24,254 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:24,254 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2018-11-23 02:00:24,255 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:24,265 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-23 02:00:24,265 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:24,270 INFO L267 ElimStorePlain]: Start of recursive call 49: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:24,404 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 77 [2018-11-23 02:00:24,407 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-23 02:00:24,407 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:24,427 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:24,429 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2018-11-23 02:00:24,430 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:24,447 INFO L267 ElimStorePlain]: Start of recursive call 52: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:00:24,569 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2018-11-23 02:00:24,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-23 02:00:24,572 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:24,589 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:00:24,589 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-23 02:00:24,590 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-23 02:00:24,596 INFO L267 ElimStorePlain]: Start of recursive call 55: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:24,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 10 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:00:24,666 INFO L202 ElimStorePlain]: Needed 57 recursive calls to eliminate 16 variables, input treesize:561, output treesize:7 [2018-11-23 02:00:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:00:24,686 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:00:24,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:00:24,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:00:24,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:00:24,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:00:24,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:00:24,688 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand 5 states. [2018-11-23 02:00:27,006 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-11-23 02:00:28,073 WARN L180 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-11-23 02:00:28,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:00:28,916 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2018-11-23 02:00:28,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:00:28,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-23 02:00:28,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:00:28,918 INFO L225 Difference]: With dead ends: 61 [2018-11-23 02:00:28,918 INFO L226 Difference]: Without dead ends: 50 [2018-11-23 02:00:28,919 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:00:28,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-23 02:00:28,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2018-11-23 02:00:28,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-23 02:00:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2018-11-23 02:00:28,924 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 13 [2018-11-23 02:00:28,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:00:28,924 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2018-11-23 02:00:28,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:00:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2018-11-23 02:00:28,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 02:00:28,924 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:00:28,925 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:00:28,925 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:00:28,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:00:28,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1442173420, now seen corresponding path program 1 times [2018-11-23 02:00:28,925 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:00:28,925 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 02:00:28,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:00:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:00:28,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:00:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:00:28,961 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:00:28,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:00:28,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:00:28,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:00:28,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:00:28,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:00:28,963 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 3 states. [2018-11-23 02:00:31,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:00:31,018 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2018-11-23 02:00:31,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:00:31,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-23 02:00:31,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:00:31,019 INFO L225 Difference]: With dead ends: 47 [2018-11-23 02:00:31,019 INFO L226 Difference]: Without dead ends: 45 [2018-11-23 02:00:31,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:00:31,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-23 02:00:31,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2018-11-23 02:00:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 02:00:31,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-11-23 02:00:31,028 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 13 [2018-11-23 02:00:31,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:00:31,028 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-11-23 02:00:31,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:00:31,029 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-11-23 02:00:31,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 02:00:31,029 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:00:31,029 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:00:31,029 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:00:31,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:00:31,030 INFO L82 PathProgramCache]: Analyzing trace with hash 737258485, now seen corresponding path program 1 times [2018-11-23 02:00:31,030 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:00:31,030 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acfe4492-cf65-4f6b-bf73-c8ec34da3a4a/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 02:00:31,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:00:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:00:31,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:01:00,229 WARN L180 SmtUtils]: Spent 29.08 s on a formula simplification. DAG size of input: 105 DAG size of output: 79 [2018-11-23 02:01:00,792 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:00,793 INFO L303 Elim1Store]: Index analysis took 563 ms [2018-11-23 02:01:00,793 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-11-23 02:01:01,511 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:01,939 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:01,940 INFO L303 Elim1Store]: Index analysis took 1130 ms [2018-11-23 02:01:01,940 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-11-23 02:01:01,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 02:01:03,566 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:01:11,607 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:01:12,005 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:01:16,805 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:01:16,976 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:01:20,853 INFO L303 Elim1Store]: Index analysis took 821 ms [2018-11-23 02:01:20,854 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2018-11-23 02:01:20,930 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 13 treesize of output 16 [2018-11-23 02:01:21,018 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:21,019 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 02:01:21,019 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 02:01:21,538 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:01:23,166 INFO L303 Elim1Store]: Index analysis took 973 ms [2018-11-23 02:01:23,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-11-23 02:01:23,192 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 23 treesize of output 21 [2018-11-23 02:01:23,192 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 02:01:24,067 INFO L303 Elim1Store]: Index analysis took 341 ms [2018-11-23 02:01:24,068 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 60 [2018-11-23 02:01:24,290 INFO L303 Elim1Store]: Index analysis took 221 ms [2018-11-23 02:01:24,291 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2018-11-23 02:01:24,514 INFO L303 Elim1Store]: Index analysis took 223 ms [2018-11-23 02:01:24,515 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-11-23 02:01:24,515 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 02:01:24,722 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:01:25,246 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:25,247 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 02:01:25,247 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-23 02:01:25,714 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 19 treesize of output 22 [2018-11-23 02:01:25,779 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:25,825 INFO L303 Elim1Store]: Index analysis took 110 ms [2018-11-23 02:01:25,826 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 32 [2018-11-23 02:01:25,935 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:25,963 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:25,999 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:26,085 INFO L303 Elim1Store]: Index analysis took 258 ms [2018-11-23 02:01:26,086 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 46 [2018-11-23 02:01:26,131 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:26,167 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:26,226 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:01:26,338 INFO L303 Elim1Store]: Index analysis took 250 ms [2018-11-23 02:01:26,539 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 02:01:26,539 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_47 input size 18 context size 18 output size 18 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) 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) [2018-11-23 02:01:26,541 INFO L168 Benchmark]: Toolchain (without parser) took 433000.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 937.1 MB in the beginning and 1.0 GB in the end (delta: -73.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:01:26,542 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:01:26,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.25 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 915.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:01:26,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 915.6 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:01:26,542 INFO L168 Benchmark]: Boogie Preprocessor took 29.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:01:26,543 INFO L168 Benchmark]: RCFGBuilder took 2360.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-23 02:01:26,543 INFO L168 Benchmark]: TraceAbstraction took 430181.44 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -24.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.8 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:01:26,544 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.25 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 915.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 915.6 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2360.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 430181.44 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -24.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.8 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_47 input size 18 context size 18 output size 18 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_47 input size 18 context size 18 output size 18: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...