./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39996758d4a4793ed5619e696b4574ccdffaa666 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:34:29,037 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:29,038 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:29,045 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:29,045 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:29,046 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:29,047 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:29,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:29,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:29,050 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:29,050 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:29,051 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:29,051 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:29,052 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:29,053 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:29,054 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:29,054 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:29,056 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:29,057 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:29,058 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:29,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:29,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:29,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:29,061 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:29,062 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:29,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:29,063 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:29,063 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:29,064 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:29,065 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:29,065 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:29,065 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:29,066 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:29,066 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:29,066 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:29,067 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:29,067 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 08:34:29,074 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:29,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:29,074 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:34:29,074 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 08:34:29,075 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:29,075 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:29,075 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:29,075 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:29,075 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:29,076 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:29,076 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:29,076 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:29,076 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:34:29,076 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:34:29,076 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:34:29,076 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:29,076 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:29,076 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:29,077 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:34:29,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:29,077 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:29,077 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:34:29,077 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:34:29,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:29,077 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:29,077 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:34:29,077 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:34:29,078 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:29,078 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:34:29,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:34:29,078 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_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2018-11-18 08:34:29,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:29,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:29,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:29,120 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:29,120 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:29,120 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/../../sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 08:34:29,167 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/data/7630bc720/fb084f3928a24d7b83b29632700db0c9/FLAG6392dc23e [2018-11-18 08:34:29,537 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,537 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/sv-benchmarks/c/forester-heap/dll-queue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 08:34:29,546 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/data/7630bc720/fb084f3928a24d7b83b29632700db0c9/FLAG6392dc23e [2018-11-18 08:34:29,923 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/data/7630bc720/fb084f3928a24d7b83b29632700db0c9 [2018-11-18 08:34:29,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,926 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:34:29,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,930 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f82307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,970 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:30,173 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:30,179 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:30,214 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:30,298 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:30,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30 WrapperNode [2018-11-18 08:34:30,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:30,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:30,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:30,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:30,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:30,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:30,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:30,347 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:30,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:30,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:34:30,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:34:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 08:34:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 08:34:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 08:34:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 08:34:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 08:34:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 08:34:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 08:34:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 08:34:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 08:34:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 08:34:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 08:34:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 08:34:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 08:34:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 08:34:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 08:34:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 08:34:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 08:34:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 08:34:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 08:34:30,386 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 08:34:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 08:34:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 08:34:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 08:34:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 08:34:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 08:34:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 08:34:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 08:34:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 08:34:30,387 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 08:34:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 08:34:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 08:34:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 08:34:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 08:34:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 08:34:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 08:34:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 08:34:30,388 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 08:34:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 08:34:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 08:34:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 08:34:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 08:34:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 08:34:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 08:34:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 08:34:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 08:34:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 08:34:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 08:34:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 08:34:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 08:34:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 08:34:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 08:34:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 08:34:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 08:34:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 08:34:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 08:34:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 08:34:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 08:34:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 08:34:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-18 08:34:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 08:34:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 08:34:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-18 08:34:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 08:34:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 08:34:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-18 08:34:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 08:34:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 08:34:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 08:34:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 08:34:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 08:34:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 08:34:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 08:34:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 08:34:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 08:34:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 08:34:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 08:34:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 08:34:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 08:34:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 08:34:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 08:34:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 08:34:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 08:34:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 08:34:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 08:34:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 08:34:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 08:34:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 08:34:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 08:34:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 08:34:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 08:34:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 08:34:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 08:34:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 08:34:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 08:34:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 08:34:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 08:34:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 08:34:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 08:34:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 08:34:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 08:34:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 08:34:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 08:34:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 08:34:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 08:34:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:34:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:34:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 08:34:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 08:34:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 08:34:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 08:34:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:34:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:34:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 08:34:30,832 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:34:30,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:34:30,836 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:34:30,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:30,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac52a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (2/3) ... [2018-11-18 08:34:30,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac52a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,838 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-queue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 08:34:30,845 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:34:30,851 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-11-18 08:34:30,861 INFO L257 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2018-11-18 08:34:30,883 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,883 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,883 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:34:30,883 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:34:30,884 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,884 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,884 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:34:30,884 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,884 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:34:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2018-11-18 08:34:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 08:34:30,903 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:30,904 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,906 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:30,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,911 INFO L82 PathProgramCache]: Analyzing trace with hash -2012702504, now seen corresponding path program 1 times [2018-11-18 08:34:30,913 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:34:31,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 08:34:31,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 08:34:31,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:34:31,014 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2018-11-18 08:34:31,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,034 INFO L93 Difference]: Finished difference Result 192 states and 302 transitions. [2018-11-18 08:34:31,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:34:31,035 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-18 08:34:31,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,042 INFO L225 Difference]: With dead ends: 192 [2018-11-18 08:34:31,042 INFO L226 Difference]: Without dead ends: 92 [2018-11-18 08:34:31,045 INFO L604 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 [2018-11-18 08:34:31,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-18 08:34:31,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-18 08:34:31,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 08:34:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2018-11-18 08:34:31,073 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 10 [2018-11-18 08:34:31,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,073 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2018-11-18 08:34:31,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 08:34:31,073 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2018-11-18 08:34:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 08:34:31,073 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,073 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,074 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:31,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,074 INFO L82 PathProgramCache]: Analyzing trace with hash 957540948, now seen corresponding path program 1 times [2018-11-18 08:34:31,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:31,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:31,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:31,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:31,118 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 3 states. [2018-11-18 08:34:31,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,158 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2018-11-18 08:34:31,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:31,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-18 08:34:31,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,159 INFO L225 Difference]: With dead ends: 92 [2018-11-18 08:34:31,160 INFO L226 Difference]: Without dead ends: 82 [2018-11-18 08:34:31,160 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:31,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-18 08:34:31,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-18 08:34:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-18 08:34:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-11-18 08:34:31,166 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 12 [2018-11-18 08:34:31,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,167 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-11-18 08:34:31,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-11-18 08:34:31,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:34:31,167 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,168 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,168 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:31,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,168 INFO L82 PathProgramCache]: Analyzing trace with hash 26501704, now seen corresponding path program 1 times [2018-11-18 08:34:31,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:31,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:31,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:31,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:31,221 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 4 states. [2018-11-18 08:34:31,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,271 INFO L93 Difference]: Finished difference Result 82 states and 91 transitions. [2018-11-18 08:34:31,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:31,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-18 08:34:31,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,272 INFO L225 Difference]: With dead ends: 82 [2018-11-18 08:34:31,272 INFO L226 Difference]: Without dead ends: 80 [2018-11-18 08:34:31,272 INFO L604 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 [2018-11-18 08:34:31,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-18 08:34:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-11-18 08:34:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-18 08:34:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2018-11-18 08:34:31,276 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 16 [2018-11-18 08:34:31,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,276 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2018-11-18 08:34:31,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2018-11-18 08:34:31,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 08:34:31,277 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,277 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,278 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:31,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1942297771, now seen corresponding path program 1 times [2018-11-18 08:34:31,278 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:31,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:31,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:31,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:31,307 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 3 states. [2018-11-18 08:34:31,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,352 INFO L93 Difference]: Finished difference Result 176 states and 201 transitions. [2018-11-18 08:34:31,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:31,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-18 08:34:31,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,353 INFO L225 Difference]: With dead ends: 176 [2018-11-18 08:34:31,353 INFO L226 Difference]: Without dead ends: 102 [2018-11-18 08:34:31,353 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:31,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-18 08:34:31,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 90. [2018-11-18 08:34:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-11-18 08:34:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 100 transitions. [2018-11-18 08:34:31,360 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 100 transitions. Word has length 19 [2018-11-18 08:34:31,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,361 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 100 transitions. [2018-11-18 08:34:31,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 100 transitions. [2018-11-18 08:34:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 08:34:31,361 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,361 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,362 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:31,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,362 INFO L82 PathProgramCache]: Analyzing trace with hash -771043097, now seen corresponding path program 1 times [2018-11-18 08:34:31,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:31,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:31,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:31,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:31,390 INFO L87 Difference]: Start difference. First operand 90 states and 100 transitions. Second operand 3 states. [2018-11-18 08:34:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,405 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2018-11-18 08:34:31,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:31,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-11-18 08:34:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,406 INFO L225 Difference]: With dead ends: 93 [2018-11-18 08:34:31,406 INFO L226 Difference]: Without dead ends: 91 [2018-11-18 08:34:31,406 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:31,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-18 08:34:31,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-18 08:34:31,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-18 08:34:31,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions. [2018-11-18 08:34:31,411 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 24 [2018-11-18 08:34:31,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,411 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions. [2018-11-18 08:34:31,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2018-11-18 08:34:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 08:34:31,412 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,412 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,412 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:31,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,413 INFO L82 PathProgramCache]: Analyzing trace with hash -771041175, now seen corresponding path program 1 times [2018-11-18 08:34:31,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:31,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:31,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:31,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:31,447 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand 4 states. [2018-11-18 08:34:31,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,504 INFO L93 Difference]: Finished difference Result 113 states and 127 transitions. [2018-11-18 08:34:31,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:31,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-11-18 08:34:31,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,506 INFO L225 Difference]: With dead ends: 113 [2018-11-18 08:34:31,506 INFO L226 Difference]: Without dead ends: 85 [2018-11-18 08:34:31,506 INFO L604 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 [2018-11-18 08:34:31,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-18 08:34:31,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-18 08:34:31,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-18 08:34:31,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2018-11-18 08:34:31,511 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 24 [2018-11-18 08:34:31,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,511 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2018-11-18 08:34:31,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:31,512 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-11-18 08:34:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 08:34:31,512 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,512 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,513 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:31,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,513 INFO L82 PathProgramCache]: Analyzing trace with hash 739231933, now seen corresponding path program 1 times [2018-11-18 08:34:31,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:31,578 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:34:31,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:31,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 08:34:31,641 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:31,653 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:31,653 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 08:34:31,672 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:31,673 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:31,674 INFO L477 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 11 treesize of output 4 [2018-11-18 08:34:31,674 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:31,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 68 [2018-11-18 08:34:31,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:34:31,702 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:31,713 INFO L477 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 47 treesize of output 41 [2018-11-18 08:34:31,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-11-18 08:34:31,717 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:31,736 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2018-11-18 08:34:31,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 08:34:31,748 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 08:34:31,761 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:31,777 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:31,788 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:31,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-18 08:34:31,802 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:138, output treesize:70 [2018-11-18 08:34:31,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2018-11-18 08:34:31,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 18 treesize of output 9 [2018-11-18 08:34:31,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:31,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 08:34:31,871 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:31,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:31,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:31,882 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:4 [2018-11-18 08:34:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,914 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:34:31,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-11-18 08:34:31,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:34:31,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:31,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:31,916 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand 6 states. [2018-11-18 08:34:32,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,032 INFO L93 Difference]: Finished difference Result 157 states and 172 transitions. [2018-11-18 08:34:32,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:32,034 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-11-18 08:34:32,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,034 INFO L225 Difference]: With dead ends: 157 [2018-11-18 08:34:32,035 INFO L226 Difference]: Without dead ends: 155 [2018-11-18 08:34:32,035 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:32,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-18 08:34:32,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 103. [2018-11-18 08:34:32,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-18 08:34:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 114 transitions. [2018-11-18 08:34:32,042 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 114 transitions. Word has length 29 [2018-11-18 08:34:32,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,042 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 114 transitions. [2018-11-18 08:34:32,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:34:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 114 transitions. [2018-11-18 08:34:32,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:34:32,043 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,043 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:32,043 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:32,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1258005341, now seen corresponding path program 1 times [2018-11-18 08:34:32,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:32,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:32,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:32,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:32,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:32,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:32,073 INFO L87 Difference]: Start difference. First operand 103 states and 114 transitions. Second operand 3 states. [2018-11-18 08:34:32,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,101 INFO L93 Difference]: Finished difference Result 208 states and 236 transitions. [2018-11-18 08:34:32,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:32,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-18 08:34:32,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,102 INFO L225 Difference]: With dead ends: 208 [2018-11-18 08:34:32,102 INFO L226 Difference]: Without dead ends: 133 [2018-11-18 08:34:32,103 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:32,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-18 08:34:32,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 120. [2018-11-18 08:34:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 08:34:32,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 131 transitions. [2018-11-18 08:34:32,109 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 131 transitions. Word has length 30 [2018-11-18 08:34:32,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,109 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 131 transitions. [2018-11-18 08:34:32,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 131 transitions. [2018-11-18 08:34:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 08:34:32,110 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,111 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:32,111 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:32,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,111 INFO L82 PathProgramCache]: Analyzing trace with hash -58491785, now seen corresponding path program 1 times [2018-11-18 08:34:32,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:32,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:32,415 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:34:32,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:32,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 08:34:32,449 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,452 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,452 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 08:34:32,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:32,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:32,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-18 08:34:32,475 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 08:34:32,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:34:32,515 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,527 INFO L477 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 42 treesize of output 38 [2018-11-18 08:34:32,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:34:32,535 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,552 INFO L477 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 33 treesize of output 35 [2018-11-18 08:34:32,555 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:32,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 47 [2018-11-18 08:34:32,557 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,568 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,575 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,582 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 08:34:32,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 08:34:32,628 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,650 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 72 [2018-11-18 08:34:32,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 08:34:32,653 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:32,668 INFO L477 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 60 treesize of output 70 [2018-11-18 08:34:32,671 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:32,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-11-18 08:34:32,673 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,684 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,690 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,697 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,707 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,707 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:191, output treesize:114 [2018-11-18 08:34:32,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2018-11-18 08:34:32,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-11-18 08:34:32,748 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,765 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,765 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:125, output treesize:117 [2018-11-18 08:34:32,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 78 [2018-11-18 08:34:32,801 INFO L477 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 53 treesize of output 40 [2018-11-18 08:34:32,801 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,820 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:32,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2018-11-18 08:34:32,825 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,832 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2018-11-18 08:34:32,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-11-18 08:34:32,846 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,856 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:32,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-18 08:34:32,858 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,863 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,868 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:32,868 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:131, output treesize:13 [2018-11-18 08:34:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:32,917 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:34:32,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2018-11-18 08:34:32,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 08:34:32,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 08:34:32,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:34:32,917 INFO L87 Difference]: Start difference. First operand 120 states and 131 transitions. Second operand 13 states. [2018-11-18 08:34:33,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:33,334 INFO L93 Difference]: Finished difference Result 148 states and 163 transitions. [2018-11-18 08:34:33,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 08:34:33,334 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2018-11-18 08:34:33,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:33,335 INFO L225 Difference]: With dead ends: 148 [2018-11-18 08:34:33,335 INFO L226 Difference]: Without dead ends: 146 [2018-11-18 08:34:33,335 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2018-11-18 08:34:33,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-18 08:34:33,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2018-11-18 08:34:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 08:34:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 143 transitions. [2018-11-18 08:34:33,342 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 143 transitions. Word has length 40 [2018-11-18 08:34:33,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:33,342 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 143 transitions. [2018-11-18 08:34:33,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 08:34:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 143 transitions. [2018-11-18 08:34:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 08:34:33,344 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:33,344 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:33,344 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:33,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:33,345 INFO L82 PathProgramCache]: Analyzing trace with hash -177995438, now seen corresponding path program 1 times [2018-11-18 08:34:33,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:33,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:33,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:33,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:33,371 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 08:34:33,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:33,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:33,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:33,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:33,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:33,372 INFO L87 Difference]: Start difference. First operand 130 states and 143 transitions. Second operand 3 states. [2018-11-18 08:34:33,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:33,410 INFO L93 Difference]: Finished difference Result 253 states and 285 transitions. [2018-11-18 08:34:33,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:33,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-18 08:34:33,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:33,412 INFO L225 Difference]: With dead ends: 253 [2018-11-18 08:34:33,412 INFO L226 Difference]: Without dead ends: 161 [2018-11-18 08:34:33,412 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:33,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-18 08:34:33,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 147. [2018-11-18 08:34:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-18 08:34:33,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 161 transitions. [2018-11-18 08:34:33,419 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 161 transitions. Word has length 40 [2018-11-18 08:34:33,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:33,419 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 161 transitions. [2018-11-18 08:34:33,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:33,419 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 161 transitions. [2018-11-18 08:34:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 08:34:33,420 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:33,420 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:33,420 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:33,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:33,421 INFO L82 PathProgramCache]: Analyzing trace with hash 372717230, now seen corresponding path program 1 times [2018-11-18 08:34:33,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:33,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:33,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:33,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:33,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:33,515 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:34:33,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:33,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:33,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 08:34:33,557 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:33,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:33,578 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 08:34:33,584 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:33,585 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:33,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 08:34:33,586 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:33,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 57 [2018-11-18 08:34:33,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:34:33,624 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:33,634 INFO L477 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 46 treesize of output 40 [2018-11-18 08:34:33,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-11-18 08:34:33,636 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:33,645 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2018-11-18 08:34:33,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 08:34:33,654 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 08:34:33,667 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:33,681 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:33,699 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:33,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 08:34:33,716 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:117, output treesize:112 [2018-11-18 08:34:33,751 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:33,753 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:33,754 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:33,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-11-18 08:34:33,755 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:33,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 128 [2018-11-18 08:34:33,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2018-11-18 08:34:33,823 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:33,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 76 [2018-11-18 08:34:33,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-11-18 08:34:33,838 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:33,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 78 [2018-11-18 08:34:33,865 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:33,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 74 [2018-11-18 08:34:33,871 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 08:34:33,894 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:33,917 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:33,934 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:33,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-11-18 08:34:33,952 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:258, output treesize:142 [2018-11-18 08:34:33,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 42 [2018-11-18 08:34:33,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 26 treesize of output 15 [2018-11-18 08:34:33,992 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:33,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 08:34:33,998 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 13 treesize of output 9 [2018-11-18 08:34:34,004 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,006 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,009 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:67, output treesize:4 [2018-11-18 08:34:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:34,029 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:34:34,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2018-11-18 08:34:34,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 08:34:34,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 08:34:34,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:34:34,030 INFO L87 Difference]: Start difference. First operand 147 states and 161 transitions. Second operand 10 states. [2018-11-18 08:34:34,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:34,289 INFO L93 Difference]: Finished difference Result 193 states and 211 transitions. [2018-11-18 08:34:34,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 08:34:34,290 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2018-11-18 08:34:34,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:34,291 INFO L225 Difference]: With dead ends: 193 [2018-11-18 08:34:34,291 INFO L226 Difference]: Without dead ends: 191 [2018-11-18 08:34:34,291 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2018-11-18 08:34:34,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-11-18 08:34:34,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 145. [2018-11-18 08:34:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-18 08:34:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 159 transitions. [2018-11-18 08:34:34,296 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 159 transitions. Word has length 41 [2018-11-18 08:34:34,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:34,296 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 159 transitions. [2018-11-18 08:34:34,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 08:34:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 159 transitions. [2018-11-18 08:34:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 08:34:34,297 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:34,297 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:34,298 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:34,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:34,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1132619235, now seen corresponding path program 1 times [2018-11-18 08:34:34,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:34,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:34,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:34,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:34,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:34,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:34,396 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:34:34,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:34,424 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:34,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 08:34:34,429 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,440 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 08:34:34,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:34,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:34,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 08:34:34,482 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 57 [2018-11-18 08:34:34,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:34:34,548 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,565 INFO L477 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 46 treesize of output 40 [2018-11-18 08:34:34,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-11-18 08:34:34,568 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,592 INFO L477 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 35 treesize of output 37 [2018-11-18 08:34:34,595 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:34,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 53 [2018-11-18 08:34:34,597 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,609 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,617 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,625 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 84 [2018-11-18 08:34:34,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-18 08:34:34,682 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,706 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 82 [2018-11-18 08:34:34,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-18 08:34:34,709 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,721 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:34,726 INFO L477 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 68 treesize of output 80 [2018-11-18 08:34:34,730 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:34,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 41 [2018-11-18 08:34:34,732 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,742 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,752 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,759 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:34,775 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:209, output treesize:140 [2018-11-18 08:34:34,809 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:34,811 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:34,813 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:34,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-11-18 08:34:34,814 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:34,856 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:34,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 832 treesize of output 419 [2018-11-18 08:34:34,942 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:34,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 331 treesize of output 397 [2018-11-18 08:34:34,945 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 402 treesize of output 327 [2018-11-18 08:34:35,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-11-18 08:34:35,006 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,036 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:34:35,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 387 treesize of output 310 [2018-11-18 08:34:35,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 334 treesize of output 341 [2018-11-18 08:34:35,069 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 08:34:35,141 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:35,210 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:35,283 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:35,365 INFO L477 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 339 treesize of output 253 [2018-11-18 08:34:35,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:35,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 63 [2018-11-18 08:34:35,372 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,394 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:35,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 191 [2018-11-18 08:34:35,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-11-18 08:34:35,403 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,416 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:34:35,417 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:35,417 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:35,418 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:35,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 218 [2018-11-18 08:34:35,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 53 [2018-11-18 08:34:35,436 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-18 08:34:35,452 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:35,467 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:35,491 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:35,502 INFO L477 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 331 treesize of output 243 [2018-11-18 08:34:35,506 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:35,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 59 [2018-11-18 08:34:35,510 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 183 [2018-11-18 08:34:35,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-11-18 08:34:35,539 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,553 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:34:35,554 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:35,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 210 [2018-11-18 08:34:35,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 21 [2018-11-18 08:34:35,566 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,575 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,580 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,592 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-11-18 08:34:35,631 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 7 variables, input treesize:847, output treesize:390 [2018-11-18 08:34:35,745 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:35,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 213 [2018-11-18 08:34:35,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:35,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-18 08:34:35,757 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2018-11-18 08:34:35,788 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2018-11-18 08:34:35,814 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-18 08:34:35,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:35,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 121 [2018-11-18 08:34:35,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 72 treesize of output 62 [2018-11-18 08:34:35,909 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:35,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2018-11-18 08:34:35,926 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,938 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:34:35,938 INFO L477 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 69 treesize of output 43 [2018-11-18 08:34:35,939 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:35,948 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:35,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-11-18 08:34:35,993 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:35,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 16 [2018-11-18 08:34:35,995 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:36,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 08:34:36,008 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 08:34:36,013 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,017 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,050 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:36,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 71 [2018-11-18 08:34:36,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2018-11-18 08:34:36,065 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-18 08:34:36,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 20 treesize of output 11 [2018-11-18 08:34:36,080 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-11-18 08:34:36,082 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,091 INFO L477 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 25 treesize of output 15 [2018-11-18 08:34:36,091 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,097 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:36,099 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:36,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 74 [2018-11-18 08:34:36,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2018-11-18 08:34:36,104 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-18 08:34:36,112 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2018-11-18 08:34:36,118 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,122 INFO L267 ElimStorePlain]: Start of recursive call 19: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,136 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,137 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:420, output treesize:4 [2018-11-18 08:34:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:36,189 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:34:36,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2018-11-18 08:34:36,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 08:34:36,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 08:34:36,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:34:36,190 INFO L87 Difference]: Start difference. First operand 145 states and 159 transitions. Second operand 10 states. [2018-11-18 08:34:36,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:36,430 INFO L93 Difference]: Finished difference Result 189 states and 206 transitions. [2018-11-18 08:34:36,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:34:36,431 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2018-11-18 08:34:36,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:36,432 INFO L225 Difference]: With dead ends: 189 [2018-11-18 08:34:36,432 INFO L226 Difference]: Without dead ends: 187 [2018-11-18 08:34:36,432 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-11-18 08:34:36,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-11-18 08:34:36,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 169. [2018-11-18 08:34:36,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-11-18 08:34:36,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 184 transitions. [2018-11-18 08:34:36,438 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 184 transitions. Word has length 44 [2018-11-18 08:34:36,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:36,438 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 184 transitions. [2018-11-18 08:34:36,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 08:34:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 184 transitions. [2018-11-18 08:34:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 08:34:36,439 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:36,439 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:36,439 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:36,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:36,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1599265359, now seen corresponding path program 1 times [2018-11-18 08:34:36,440 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:36,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:36,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:36,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:36,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:34:36,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:36,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:36,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:36,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:36,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:36,479 INFO L87 Difference]: Start difference. First operand 169 states and 184 transitions. Second operand 4 states. [2018-11-18 08:34:36,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:36,513 INFO L93 Difference]: Finished difference Result 195 states and 214 transitions. [2018-11-18 08:34:36,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:34:36,514 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2018-11-18 08:34:36,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:36,515 INFO L225 Difference]: With dead ends: 195 [2018-11-18 08:34:36,515 INFO L226 Difference]: Without dead ends: 183 [2018-11-18 08:34:36,515 INFO L604 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 [2018-11-18 08:34:36,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-11-18 08:34:36,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 181. [2018-11-18 08:34:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-11-18 08:34:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 197 transitions. [2018-11-18 08:34:36,523 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 197 transitions. Word has length 49 [2018-11-18 08:34:36,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:36,524 INFO L480 AbstractCegarLoop]: Abstraction has 181 states and 197 transitions. [2018-11-18 08:34:36,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 197 transitions. [2018-11-18 08:34:36,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 08:34:36,524 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:36,524 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:36,525 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:36,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:36,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1341099921, now seen corresponding path program 1 times [2018-11-18 08:34:36,525 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:36,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:36,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:36,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:36,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:36,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:36,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:36,662 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:34:36,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:36,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:36,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 08:34:36,689 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,692 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,692 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 08:34:36,701 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:36,705 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:36,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-18 08:34:36,705 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 307 treesize of output 251 [2018-11-18 08:34:36,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 08:34:36,786 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,810 INFO L477 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 230 treesize of output 224 [2018-11-18 08:34:36,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 08:34:36,812 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,824 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:36,825 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:34:36,833 INFO L477 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 219 treesize of output 255 [2018-11-18 08:34:36,835 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:36,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 91 [2018-11-18 08:34:36,837 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,848 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,856 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,863 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 120 [2018-11-18 08:34:36,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:34:36,916 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,928 INFO L477 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 79 treesize of output 73 [2018-11-18 08:34:36,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-11-18 08:34:36,931 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,945 INFO L477 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 68 treesize of output 59 [2018-11-18 08:34:36,947 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:36,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-11-18 08:34:36,948 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,956 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,963 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,969 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:36,977 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:317, output treesize:73 [2018-11-18 08:34:37,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 82 [2018-11-18 08:34:37,025 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 40 [2018-11-18 08:34:37,025 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:37,039 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:37,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-11-18 08:34:37,041 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:37,048 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:37,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 08:34:37,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-18 08:34:37,059 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:37,068 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:37,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-11-18 08:34:37,069 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:37,072 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:37,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:37,075 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:103, output treesize:7 [2018-11-18 08:34:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:37,124 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:34:37,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 15 [2018-11-18 08:34:37,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 08:34:37,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 08:34:37,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=169, Unknown=2, NotChecked=0, Total=210 [2018-11-18 08:34:37,125 INFO L87 Difference]: Start difference. First operand 181 states and 197 transitions. Second operand 15 states. [2018-11-18 08:34:37,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:37,540 INFO L93 Difference]: Finished difference Result 296 states and 325 transitions. [2018-11-18 08:34:37,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 08:34:37,541 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-11-18 08:34:37,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:37,542 INFO L225 Difference]: With dead ends: 296 [2018-11-18 08:34:37,542 INFO L226 Difference]: Without dead ends: 146 [2018-11-18 08:34:37,542 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=324, Unknown=3, NotChecked=0, Total=420 [2018-11-18 08:34:37,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-18 08:34:37,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-18 08:34:37,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-18 08:34:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2018-11-18 08:34:37,548 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 49 [2018-11-18 08:34:37,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:37,549 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2018-11-18 08:34:37,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 08:34:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2018-11-18 08:34:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 08:34:37,549 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:37,550 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:37,550 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:37,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:37,550 INFO L82 PathProgramCache]: Analyzing trace with hash -956439883, now seen corresponding path program 1 times [2018-11-18 08:34:37,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:37,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:37,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:37,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:37,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 08:34:37,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:37,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:37,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:37,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:37,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:37,570 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand 3 states. [2018-11-18 08:34:37,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:37,590 INFO L93 Difference]: Finished difference Result 218 states and 236 transitions. [2018-11-18 08:34:37,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:37,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-18 08:34:37,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:37,591 INFO L225 Difference]: With dead ends: 218 [2018-11-18 08:34:37,591 INFO L226 Difference]: Without dead ends: 115 [2018-11-18 08:34:37,592 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:37,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-18 08:34:37,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 99. [2018-11-18 08:34:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 08:34:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 103 transitions. [2018-11-18 08:34:37,598 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 103 transitions. Word has length 52 [2018-11-18 08:34:37,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:37,598 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 103 transitions. [2018-11-18 08:34:37,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions. [2018-11-18 08:34:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 08:34:37,599 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:37,599 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:37,599 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:37,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:37,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1207034344, now seen corresponding path program 1 times [2018-11-18 08:34:37,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:37,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:37,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:37,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:37,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:37,858 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:37,859 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:34:37,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:37,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:37,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 08:34:37,897 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:37,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:37,901 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 08:34:37,936 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:37,938 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:37,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 08:34:37,939 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:37,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 08:34:38,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 08:34:38,001 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,022 INFO L477 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 42 treesize of output 38 [2018-11-18 08:34:38,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 08:34:38,025 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,036 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:34:38,042 INFO L477 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 33 treesize of output 63 [2018-11-18 08:34:38,045 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:38,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 79 [2018-11-18 08:34:38,047 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,058 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,065 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,073 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 93 [2018-11-18 08:34:38,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:34:38,131 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,142 INFO L477 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 68 treesize of output 64 [2018-11-18 08:34:38,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:34:38,145 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,159 INFO L477 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 61 [2018-11-18 08:34:38,162 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:38,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-11-18 08:34:38,163 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,173 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,180 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,187 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,201 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:197, output treesize:96 [2018-11-18 08:34:38,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-11-18 08:34:38,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-18 08:34:38,233 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,234 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,248 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:109, output treesize:109 [2018-11-18 08:34:38,286 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:38,290 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:38,291 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:38,292 INFO L477 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 20 treesize of output 21 [2018-11-18 08:34:38,292 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,350 INFO L477 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 373 treesize of output 305 [2018-11-18 08:34:38,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:38,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2018-11-18 08:34:38,360 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 299 [2018-11-18 08:34:38,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-18 08:34:38,407 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,434 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:34:38,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 278 treesize of output 296 [2018-11-18 08:34:38,458 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:34:38,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2018-11-18 08:34:38,459 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,479 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,495 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,510 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,536 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 132 [2018-11-18 08:34:38,539 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:38,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 42 [2018-11-18 08:34:38,542 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 125 treesize of output 114 [2018-11-18 08:34:38,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-11-18 08:34:38,568 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 111 [2018-11-18 08:34:38,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 53 [2018-11-18 08:34:38,602 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-18 08:34:38,624 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:38,652 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:38,679 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:38,714 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:34:38,715 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:411, output treesize:409 [2018-11-18 08:34:38,818 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 191 [2018-11-18 08:34:38,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-11-18 08:34:38,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,837 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,879 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 221 [2018-11-18 08:34:38,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-11-18 08:34:38,881 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,899 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:38,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 08:34:38,941 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:443, output treesize:411 [2018-11-18 08:34:39,033 INFO L477 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 163 [2018-11-18 08:34:39,037 INFO L477 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 81 treesize of output 54 [2018-11-18 08:34:39,038 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:39,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 22 [2018-11-18 08:34:39,070 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 08:34:39,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 66 treesize of output 49 [2018-11-18 08:34:39,087 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 77 treesize of output 60 [2018-11-18 08:34:39,089 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,112 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 08:34:39,165 INFO L477 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 83 treesize of output 67 [2018-11-18 08:34:39,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-11-18 08:34:39,167 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-18 08:34:39,178 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 08:34:39,187 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,193 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,197 INFO L477 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 94 treesize of output 74 [2018-11-18 08:34:39,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-11-18 08:34:39,199 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2018-11-18 08:34:39,209 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,218 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:39,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-18 08:34:39,220 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,226 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,261 INFO L477 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 159 [2018-11-18 08:34:39,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-11-18 08:34:39,264 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 83 [2018-11-18 08:34:39,278 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,290 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:34:39,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2018-11-18 08:34:39,291 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:39,302 INFO L267 ElimStorePlain]: Start of recursive call 15: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:39,336 INFO L477 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 68 [2018-11-18 08:34:39,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 08:34:39,339 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 31 treesize of output 20 [2018-11-18 08:34:39,349 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 08:34:39,358 INFO L477 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 29 treesize of output 22 [2018-11-18 08:34:39,359 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:39,367 INFO L267 ElimStorePlain]: Start of recursive call 19: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:34:39,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-11-18 08:34:39,391 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 9 variables, input treesize:439, output treesize:82 [2018-11-18 08:35:07,957 WARN L180 SmtUtils]: Spent 28.54 s on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2018-11-18 08:35:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:35:08,022 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:35:08,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2018-11-18 08:35:08,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 08:35:08,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 08:35:08,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2018-11-18 08:35:08,023 INFO L87 Difference]: Start difference. First operand 99 states and 103 transitions. Second operand 16 states. [2018-11-18 08:35:08,480 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2018-11-18 08:35:40,631 WARN L180 SmtUtils]: Spent 32.04 s on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2018-11-18 08:36:12,808 WARN L180 SmtUtils]: Spent 32.14 s on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2018-11-18 08:36:13,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:13,037 INFO L93 Difference]: Finished difference Result 124 states and 130 transitions. [2018-11-18 08:36:13,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 08:36:13,037 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 54 [2018-11-18 08:36:13,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:13,038 INFO L225 Difference]: With dead ends: 124 [2018-11-18 08:36:13,038 INFO L226 Difference]: Without dead ends: 122 [2018-11-18 08:36:13,038 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 93.7s TimeCoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2018-11-18 08:36:13,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-18 08:36:13,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2018-11-18 08:36:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 08:36:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 111 transitions. [2018-11-18 08:36:13,047 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 111 transitions. Word has length 54 [2018-11-18 08:36:13,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:13,048 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 111 transitions. [2018-11-18 08:36:13,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 08:36:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2018-11-18 08:36:13,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 08:36:13,048 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:13,048 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:36:13,049 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:13,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:13,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1497416926, now seen corresponding path program 1 times [2018-11-18 08:36:13,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:13,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:13,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:13,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:13,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:36:13,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:36:13,236 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:36:13,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:13,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:36:13,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 08:36:13,268 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,271 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 08:36:13,284 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:13,286 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:13,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 08:36:13,287 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 57 [2018-11-18 08:36:13,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:36:13,333 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,343 INFO L477 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 46 treesize of output 40 [2018-11-18 08:36:13,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 08:36:13,346 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,366 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2018-11-18 08:36:13,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 08:36:13,377 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,391 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,404 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,417 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,436 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 08:36:13,436 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:117, output treesize:112 [2018-11-18 08:36:13,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:13,475 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:13,476 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:13,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-18 08:36:13,477 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 118 [2018-11-18 08:36:13,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2018-11-18 08:36:13,542 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 84 [2018-11-18 08:36:13,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-11-18 08:36:13,565 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 81 [2018-11-18 08:36:13,593 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:13,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 57 [2018-11-18 08:36:13,602 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,625 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,654 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,683 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-18 08:36:13,718 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:213, output treesize:146 [2018-11-18 08:36:13,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:13,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:13,781 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:13,781 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:13,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-11-18 08:36:13,782 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 379 treesize of output 163 [2018-11-18 08:36:13,835 INFO L477 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 22 treesize of output 15 [2018-11-18 08:36:13,835 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 111 [2018-11-18 08:36:13,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 18 treesize of output 17 [2018-11-18 08:36:13,856 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:13,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 97 [2018-11-18 08:36:13,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 46 [2018-11-18 08:36:13,886 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,903 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,929 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,954 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:13,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-11-18 08:36:13,982 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:391, output treesize:278 [2018-11-18 08:36:14,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 69 [2018-11-18 08:36:14,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-11-18 08:36:14,095 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 08:36:14,106 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 26 treesize of output 15 [2018-11-18 08:36:14,116 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 13 treesize of output 9 [2018-11-18 08:36:14,124 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,132 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,132 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:131, output treesize:4 [2018-11-18 08:36:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:36:14,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:36:14,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 12 [2018-11-18 08:36:14,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 08:36:14,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 08:36:14,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-11-18 08:36:14,183 INFO L87 Difference]: Start difference. First operand 106 states and 111 transitions. Second operand 12 states. [2018-11-18 08:36:14,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:14,512 INFO L93 Difference]: Finished difference Result 173 states and 183 transitions. [2018-11-18 08:36:14,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 08:36:14,513 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 54 [2018-11-18 08:36:14,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:14,514 INFO L225 Difference]: With dead ends: 173 [2018-11-18 08:36:14,514 INFO L226 Difference]: Without dead ends: 171 [2018-11-18 08:36:14,515 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2018-11-18 08:36:14,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-11-18 08:36:14,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 104. [2018-11-18 08:36:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 08:36:14,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 109 transitions. [2018-11-18 08:36:14,523 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 109 transitions. Word has length 54 [2018-11-18 08:36:14,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:14,523 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 109 transitions. [2018-11-18 08:36:14,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 08:36:14,524 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2018-11-18 08:36:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 08:36:14,524 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:14,524 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:36:14,524 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:14,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:14,525 INFO L82 PathProgramCache]: Analyzing trace with hash -2013162193, now seen corresponding path program 1 times [2018-11-18 08:36:14,525 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:14,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:14,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:14,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:14,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:36:14,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:36:14,702 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:36:14,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:14,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:36:14,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 08:36:14,737 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,741 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,741 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 08:36:14,747 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:14,749 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:14,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 08:36:14,750 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 08:36:14,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:36:14,800 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,816 INFO L477 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 42 treesize of output 38 [2018-11-18 08:36:14,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:36:14,819 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,842 INFO L477 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 33 treesize of output 35 [2018-11-18 08:36:14,845 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:14,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 47 [2018-11-18 08:36:14,846 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,858 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,866 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,875 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 08:36:14,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 08:36:14,927 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,948 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 72 [2018-11-18 08:36:14,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 08:36:14,951 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,962 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:14,966 INFO L477 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 60 treesize of output 70 [2018-11-18 08:36:14,969 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:14,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-11-18 08:36:14,970 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,980 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,987 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:14,993 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,007 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:197, output treesize:128 [2018-11-18 08:36:15,040 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,043 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,046 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-18 08:36:15,047 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,113 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 520 treesize of output 313 [2018-11-18 08:36:15,207 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 271 [2018-11-18 08:36:15,210 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 326 treesize of output 275 [2018-11-18 08:36:15,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-11-18 08:36:15,260 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,292 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:15,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 272 [2018-11-18 08:36:15,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 270 treesize of output 277 [2018-11-18 08:36:15,317 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 08:36:15,381 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:15,460 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:15,538 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:15,635 INFO L477 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 299 treesize of output 215 [2018-11-18 08:36:15,638 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 66 [2018-11-18 08:36:15,641 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 150 [2018-11-18 08:36:15,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 08:36:15,673 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,686 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:15,686 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,688 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:15,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 176 [2018-11-18 08:36:15,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 36 [2018-11-18 08:36:15,695 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,704 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,711 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,733 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,758 INFO L477 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 307 treesize of output 225 [2018-11-18 08:36:15,761 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 70 [2018-11-18 08:36:15,764 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,786 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 158 [2018-11-18 08:36:15,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 08:36:15,795 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,807 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:15,808 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,809 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,809 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:15,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 179 [2018-11-18 08:36:15,819 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:15,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 48 [2018-11-18 08:36:15,820 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,830 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,838 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,853 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:15,897 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 08:36:15,897 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 5 variables, input treesize:532, output treesize:439 [2018-11-18 08:36:16,016 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:16,018 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:16,021 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:16,024 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:16,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1315 treesize of output 1319 [2018-11-18 08:36:16,026 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:16,456 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:16,458 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:16,459 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:16,460 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:16,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1762 treesize of output 1754 [2018-11-18 08:36:16,461 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:16,851 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:16,853 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:16,853 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:16,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1754 treesize of output 779 [2018-11-18 08:36:17,000 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2018-11-18 08:36:17,004 INFO L477 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 66 treesize of output 37 [2018-11-18 08:36:17,005 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:17,047 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:17,048 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:17,048 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:17,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 802 treesize of output 601 [2018-11-18 08:36:17,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 30 treesize of output 29 [2018-11-18 08:36:17,082 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:17,124 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:17,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 723 treesize of output 594 [2018-11-18 08:36:17,150 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:17,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 67 [2018-11-18 08:36:17,156 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-18 08:36:17,200 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:17,291 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:17,381 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:17,763 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:17,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1307 treesize of output 560 [2018-11-18 08:36:17,933 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2018-11-18 08:36:17,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 115 [2018-11-18 08:36:17,950 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2018-11-18 08:36:18,030 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,031 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,033 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 590 treesize of output 423 [2018-11-18 08:36:18,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 22 treesize of output 21 [2018-11-18 08:36:18,055 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:18,114 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,115 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,116 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,118 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,119 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 387 treesize of output 381 [2018-11-18 08:36:18,152 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 214 treesize of output 261 [2018-11-18 08:36:18,160 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-18 08:36:18,222 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:18,318 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:18,322 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,323 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,324 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 611 treesize of output 431 [2018-11-18 08:36:18,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 30 treesize of output 29 [2018-11-18 08:36:18,347 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:18,402 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 604 treesize of output 389 [2018-11-18 08:36:18,428 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:18,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 303 treesize of output 398 [2018-11-18 08:36:18,436 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-18 08:36:18,502 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:18,618 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 08:36:19,046 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-18 08:36:20,831 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:20,832 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:20,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 344 treesize of output 249 [2018-11-18 08:36:20,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-18 08:36:20,845 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:20,880 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:20,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 167 [2018-11-18 08:36:20,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 08:36:20,891 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:20,908 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:20,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 137 [2018-11-18 08:36:20,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-11-18 08:36:20,923 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:20,938 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:20,946 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:20,967 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:20,969 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:20,970 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:20,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 263 [2018-11-18 08:36:20,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-11-18 08:36:20,984 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,016 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,017 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,018 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 192 [2018-11-18 08:36:21,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 08:36:21,029 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,049 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,050 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 150 [2018-11-18 08:36:21,063 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 08:36:21,065 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,081 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,091 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,113 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,117 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,118 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,118 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:21,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 532 treesize of output 419 [2018-11-18 08:36:21,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 39 [2018-11-18 08:36:21,137 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,173 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 319 [2018-11-18 08:36:21,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 08:36:21,184 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,207 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 265 [2018-11-18 08:36:21,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-11-18 08:36:21,221 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,239 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,251 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,274 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,277 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,278 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,278 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:21,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 556 treesize of output 443 [2018-11-18 08:36:21,294 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 39 [2018-11-18 08:36:21,297 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,333 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 348 [2018-11-18 08:36:21,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 08:36:21,345 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,369 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 263 treesize of output 366 [2018-11-18 08:36:21,384 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 08:36:21,386 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,414 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,432 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,464 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,819 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:21,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 653 treesize of output 468 [2018-11-18 08:36:21,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 37 [2018-11-18 08:36:21,835 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,863 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:21,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 338 [2018-11-18 08:36:21,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-11-18 08:36:21,875 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 253 treesize of output 264 [2018-11-18 08:36:21,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 13 [2018-11-18 08:36:21,912 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,926 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,934 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,953 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:21,955 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:21,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 677 treesize of output 492 [2018-11-18 08:36:21,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 37 [2018-11-18 08:36:21,970 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,004 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:22,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 315 treesize of output 367 [2018-11-18 08:36:22,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-11-18 08:36:22,016 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 282 treesize of output 293 [2018-11-18 08:36:22,051 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:22,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 45 [2018-11-18 08:36:22,052 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,072 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,083 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,104 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 6 xjuncts. [2018-11-18 08:36:22,309 INFO L202 ElimStorePlain]: Needed 55 recursive calls to eliminate 14 variables, input treesize:3078, output treesize:1990 [2018-11-18 08:36:22,580 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 109 [2018-11-18 08:36:22,634 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:22,635 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:22,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 324 treesize of output 216 [2018-11-18 08:36:22,642 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:22,643 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:22,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-11-18 08:36:22,644 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,669 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:22,670 INFO L477 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 139 treesize of output 119 [2018-11-18 08:36:22,670 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2018-11-18 08:36:22,691 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:22,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 53 [2018-11-18 08:36:22,711 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,728 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:22,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 381 treesize of output 224 [2018-11-18 08:36:22,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 46 [2018-11-18 08:36:22,835 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:22,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 74 [2018-11-18 08:36:22,851 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:22,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2018-11-18 08:36:22,866 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,880 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:22,880 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:22,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 55 [2018-11-18 08:36:22,881 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:22,892 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:22,980 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:22,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 389 treesize of output 252 [2018-11-18 08:36:22,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 139 [2018-11-18 08:36:22,990 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2018-11-18 08:36:23,008 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:23,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-11-18 08:36:23,024 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,038 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:23,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-11-18 08:36:23,040 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:23,053 INFO L267 ElimStorePlain]: Start of recursive call 12: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:23,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 84 [2018-11-18 08:36:23,136 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:23,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-11-18 08:36:23,138 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:23,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2018-11-18 08:36:23,154 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:23,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-18 08:36:23,168 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 08:36:23,178 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,186 INFO L267 ElimStorePlain]: Start of recursive call 17: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 85 [2018-11-18 08:36:23,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 08:36:23,256 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 32 treesize of output 29 [2018-11-18 08:36:23,266 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2018-11-18 08:36:23,276 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,283 INFO L477 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 23 treesize of output 9 [2018-11-18 08:36:23,283 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,286 INFO L267 ElimStorePlain]: Start of recursive call 22: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 505 treesize of output 274 [2018-11-18 08:36:23,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 205 treesize of output 181 [2018-11-18 08:36:23,344 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:23,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:23,366 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:23,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2018-11-18 08:36:23,367 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,387 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:23,388 INFO L477 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 202 treesize of output 160 [2018-11-18 08:36:23,388 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 53 [2018-11-18 08:36:23,404 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:23,417 INFO L267 ElimStorePlain]: Start of recursive call 27: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:23,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2018-11-18 08:36:23,468 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:23,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 18 [2018-11-18 08:36:23,470 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:23,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-11-18 08:36:23,479 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 08:36:23,493 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,498 INFO L267 ElimStorePlain]: Start of recursive call 32: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 79 [2018-11-18 08:36:23,537 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2018-11-18 08:36:23,537 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:23,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:23,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 6 [2018-11-18 08:36:23,553 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 08:36:23,564 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,573 INFO L477 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 [2018-11-18 08:36:23,573 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,580 INFO L267 ElimStorePlain]: Start of recursive call 36: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 8 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:23,603 INFO L202 ElimStorePlain]: Needed 40 recursive calls to eliminate 21 variables, input treesize:1600, output treesize:4 [2018-11-18 08:36:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:36:23,673 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:36:23,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 13 [2018-11-18 08:36:23,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 08:36:23,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 08:36:23,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:36:23,674 INFO L87 Difference]: Start difference. First operand 104 states and 109 transitions. Second operand 13 states. [2018-11-18 08:36:23,968 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 68 [2018-11-18 08:36:24,104 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2018-11-18 08:36:24,390 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 125 [2018-11-18 08:36:24,835 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 128 [2018-11-18 08:36:24,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:24,904 INFO L93 Difference]: Finished difference Result 157 states and 166 transitions. [2018-11-18 08:36:24,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 08:36:24,905 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2018-11-18 08:36:24,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:24,905 INFO L225 Difference]: With dead ends: 157 [2018-11-18 08:36:24,905 INFO L226 Difference]: Without dead ends: 155 [2018-11-18 08:36:24,906 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2018-11-18 08:36:24,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-18 08:36:24,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 102. [2018-11-18 08:36:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-18 08:36:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2018-11-18 08:36:24,924 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 57 [2018-11-18 08:36:24,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:24,924 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2018-11-18 08:36:24,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 08:36:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2018-11-18 08:36:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 08:36:24,925 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:24,925 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:36:24,925 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:24,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:24,925 INFO L82 PathProgramCache]: Analyzing trace with hash -937396983, now seen corresponding path program 1 times [2018-11-18 08:36:24,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:24,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:24,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:24,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:24,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:24,950 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 08:36:24,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:36:24,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:36:24,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:36:24,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:36:24,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:36:24,951 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 3 states. [2018-11-18 08:36:24,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:24,990 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2018-11-18 08:36:24,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:36:24,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-18 08:36:24,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:24,992 INFO L225 Difference]: With dead ends: 130 [2018-11-18 08:36:24,992 INFO L226 Difference]: Without dead ends: 117 [2018-11-18 08:36:24,992 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:36:24,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-18 08:36:25,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 102. [2018-11-18 08:36:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-18 08:36:25,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 106 transitions. [2018-11-18 08:36:25,005 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 106 transitions. Word has length 57 [2018-11-18 08:36:25,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:25,005 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 106 transitions. [2018-11-18 08:36:25,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:36:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2018-11-18 08:36:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 08:36:25,006 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:25,006 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:36:25,006 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:25,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:25,006 INFO L82 PathProgramCache]: Analyzing trace with hash 812592565, now seen corresponding path program 1 times [2018-11-18 08:36:25,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:25,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:25,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:25,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:25,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:36:25,133 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:36:25,133 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:36:25,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:25,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:36:25,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 08:36:25,161 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,164 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-11-18 08:36:25,190 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,191 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 08:36:25,192 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 08:36:25,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:36:25,244 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,260 INFO L477 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 42 treesize of output 38 [2018-11-18 08:36:25,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:36:25,262 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,279 INFO L477 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 33 treesize of output 35 [2018-11-18 08:36:25,281 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 47 [2018-11-18 08:36:25,282 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,292 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,299 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,306 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 08:36:25,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 08:36:25,347 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,363 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 72 [2018-11-18 08:36:25,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 08:36:25,364 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,373 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,377 INFO L477 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 60 treesize of output 70 [2018-11-18 08:36:25,379 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,379 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:25,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 46 [2018-11-18 08:36:25,379 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,387 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,393 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,398 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,410 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,411 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:200, output treesize:131 [2018-11-18 08:36:25,439 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,442 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,444 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-18 08:36:25,445 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,513 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 609 treesize of output 381 [2018-11-18 08:36:25,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 374 [2018-11-18 08:36:25,595 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,637 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,640 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,647 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 409 treesize of output 373 [2018-11-18 08:36:25,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-18 08:36:25,651 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,688 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,689 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,690 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,691 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,691 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:25,692 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,693 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,694 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 388 treesize of output 382 [2018-11-18 08:36:25,706 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,717 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 360 treesize of output 415 [2018-11-18 08:36:25,718 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 08:36:25,766 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,787 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,808 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,837 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,840 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:25,841 INFO L477 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 312 treesize of output 172 [2018-11-18 08:36:25,870 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,871 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:25,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 89 [2018-11-18 08:36:25,871 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,883 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,884 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 148 [2018-11-18 08:36:25,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-18 08:36:25,891 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,904 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,905 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 145 [2018-11-18 08:36:25,914 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:25,915 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:25,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 58 [2018-11-18 08:36:25,915 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,927 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,934 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,942 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:25,961 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:620, output treesize:181 [2018-11-18 08:36:25,998 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,000 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,002 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,003 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,005 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,007 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 37 [2018-11-18 08:36:26,008 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,078 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,080 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,086 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,088 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,090 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,092 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,094 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1039 treesize of output 736 [2018-11-18 08:36:26,227 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2018-11-18 08:36:26,231 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 118 [2018-11-18 08:36:26,234 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,281 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,283 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,284 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,287 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,289 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,292 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,299 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 671 treesize of output 644 [2018-11-18 08:36:26,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 31 treesize of output 28 [2018-11-18 08:36:26,304 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,353 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,357 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,362 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,363 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 654 treesize of output 794 [2018-11-18 08:36:26,380 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,408 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 7 case distinctions, treesize of input 376 treesize of output 521 [2018-11-18 08:36:26,411 INFO L267 ElimStorePlain]: Start of recursive call 8: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 7 xjuncts. [2018-11-18 08:36:26,486 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,508 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,530 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,565 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,566 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,568 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:26,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 569 treesize of output 413 [2018-11-18 08:36:26,628 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 98 [2018-11-18 08:36:26,628 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,647 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,647 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,648 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,649 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 305 treesize of output 388 [2018-11-18 08:36:26,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-18 08:36:26,662 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,684 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,684 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,685 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,686 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,687 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 292 treesize of output 323 [2018-11-18 08:36:26,700 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,700 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:26,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 110 [2018-11-18 08:36:26,701 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,722 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,734 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,746 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:26,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:26,768 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:1073, output treesize:288 [2018-11-18 08:36:26,828 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,832 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,834 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,835 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,841 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,842 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,842 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:26,844 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,845 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,846 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,846 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,847 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 274 [2018-11-18 08:36:26,856 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,856 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:26,864 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:26,889 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 175 [2018-11-18 08:36:26,889 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-18 08:36:27,129 INFO L267 ElimStorePlain]: Start of recursive call 3: 366 dim-0 vars, End of recursive call: 366 dim-0 vars, and 137 xjuncts. [2018-11-18 08:36:27,712 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:27,712 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 132 [2018-11-18 08:36:27,713 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:27,730 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:27,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 78 [2018-11-18 08:36:27,732 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:27,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 73 [2018-11-18 08:36:27,747 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:27,759 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:27,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 76 [2018-11-18 08:36:27,780 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:27,786 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:27,787 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:316, output treesize:4 [2018-11-18 08:36:27,814 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:36:27,830 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:36:27,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2018-11-18 08:36:27,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 08:36:27,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 08:36:27,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:36:27,830 INFO L87 Difference]: Start difference. First operand 102 states and 106 transitions. Second operand 13 states. [2018-11-18 08:36:28,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:28,216 INFO L93 Difference]: Finished difference Result 155 states and 161 transitions. [2018-11-18 08:36:28,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 08:36:28,216 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2018-11-18 08:36:28,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:28,217 INFO L225 Difference]: With dead ends: 155 [2018-11-18 08:36:28,217 INFO L226 Difference]: Without dead ends: 153 [2018-11-18 08:36:28,217 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-11-18 08:36:28,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-18 08:36:28,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 131. [2018-11-18 08:36:28,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-18 08:36:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 136 transitions. [2018-11-18 08:36:28,226 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 136 transitions. Word has length 60 [2018-11-18 08:36:28,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:28,226 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 136 transitions. [2018-11-18 08:36:28,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 08:36:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2018-11-18 08:36:28,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 08:36:28,227 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:28,227 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:36:28,228 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:28,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:28,228 INFO L82 PathProgramCache]: Analyzing trace with hash 314034480, now seen corresponding path program 1 times [2018-11-18 08:36:28,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:28,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:28,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:28,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:28,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:36:28,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:36:28,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:36:28,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:36:28,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:36:28,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:36:28,251 INFO L87 Difference]: Start difference. First operand 131 states and 136 transitions. Second operand 4 states. [2018-11-18 08:36:28,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:28,293 INFO L93 Difference]: Finished difference Result 155 states and 162 transitions. [2018-11-18 08:36:28,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:36:28,293 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-11-18 08:36:28,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:28,294 INFO L225 Difference]: With dead ends: 155 [2018-11-18 08:36:28,294 INFO L226 Difference]: Without dead ends: 143 [2018-11-18 08:36:28,294 INFO L604 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 [2018-11-18 08:36:28,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-18 08:36:28,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 141. [2018-11-18 08:36:28,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-18 08:36:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 146 transitions. [2018-11-18 08:36:28,306 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 146 transitions. Word has length 63 [2018-11-18 08:36:28,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:28,306 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 146 transitions. [2018-11-18 08:36:28,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:36:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-11-18 08:36:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 08:36:28,306 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:28,307 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:36:28,307 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:28,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:28,307 INFO L82 PathProgramCache]: Analyzing trace with hash 572199918, now seen corresponding path program 1 times [2018-11-18 08:36:28,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:28,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:28,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:28,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:28,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:36:28,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:36:28,566 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:36:28,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:28,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:36:28,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 08:36:28,616 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,649 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,649 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-18 08:36:28,665 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:28,667 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:28,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 08:36:28,668 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 57 [2018-11-18 08:36:28,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 08:36:28,721 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,752 INFO L477 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 46 treesize of output 40 [2018-11-18 08:36:28,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 08:36:28,755 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,766 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:28,773 INFO L477 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 35 treesize of output 67 [2018-11-18 08:36:28,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:28,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 87 [2018-11-18 08:36:28,778 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,789 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,796 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,804 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 105 [2018-11-18 08:36:28,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 08:36:28,856 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,870 INFO L477 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 74 treesize of output 68 [2018-11-18 08:36:28,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-11-18 08:36:28,872 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,889 INFO L477 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 63 treesize of output 65 [2018-11-18 08:36:28,891 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:28,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 27 [2018-11-18 08:36:28,893 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,902 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,909 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,916 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:28,930 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:209, output treesize:101 [2018-11-18 08:36:28,962 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:28,964 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:28,967 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:28,967 INFO L477 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 20 treesize of output 21 [2018-11-18 08:36:28,967 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,019 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:29,020 INFO L477 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 429 treesize of output 321 [2018-11-18 08:36:29,088 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:29,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 47 [2018-11-18 08:36:29,091 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 297 treesize of output 305 [2018-11-18 08:36:29,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 08:36:29,132 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,157 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:29,157 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 08:36:29,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 310 [2018-11-18 08:36:29,177 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:29,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-11-18 08:36:29,179 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,202 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,217 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,233 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,257 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 157 [2018-11-18 08:36:29,260 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:29,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 47 [2018-11-18 08:36:29,262 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 150 treesize of output 141 [2018-11-18 08:36:29,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 12 treesize of output 11 [2018-11-18 08:36:29,283 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 136 [2018-11-18 08:36:29,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:29,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 67 [2018-11-18 08:36:29,307 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,321 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,332 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,344 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,359 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,359 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:456, output treesize:160 [2018-11-18 08:36:29,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 22 [2018-11-18 08:36:29,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-11-18 08:36:29,390 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:29,405 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:170, output treesize:166 [2018-11-18 08:36:29,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 162 [2018-11-18 08:36:29,490 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:29,491 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:29,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-11-18 08:36:29,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,512 INFO L477 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 106 treesize of output 99 [2018-11-18 08:36:29,512 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,526 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:29,527 INFO L477 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 105 treesize of output 91 [2018-11-18 08:36:29,527 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:29,538 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 08:36:29,551 INFO L477 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 79 treesize of output 65 [2018-11-18 08:36:29,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:29,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2018-11-18 08:36:29,554 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,562 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 08:36:29,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 23 [2018-11-18 08:36:29,564 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,569 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,574 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 08:36:29,574 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:196, output treesize:13 [2018-11-18 08:36:29,607 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:36:29,622 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:36:29,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 17 [2018-11-18 08:36:29,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 08:36:29,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 08:36:29,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2018-11-18 08:36:29,623 INFO L87 Difference]: Start difference. First operand 141 states and 146 transitions. Second operand 17 states. [2018-11-18 08:36:30,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:30,271 INFO L93 Difference]: Finished difference Result 156 states and 160 transitions. [2018-11-18 08:36:30,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 08:36:30,272 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 63 [2018-11-18 08:36:30,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:30,273 INFO L225 Difference]: With dead ends: 156 [2018-11-18 08:36:30,273 INFO L226 Difference]: Without dead ends: 154 [2018-11-18 08:36:30,273 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=98, Invalid=552, Unknown=0, NotChecked=0, Total=650 [2018-11-18 08:36:30,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-18 08:36:30,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2018-11-18 08:36:30,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-18 08:36:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 155 transitions. [2018-11-18 08:36:30,286 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 155 transitions. Word has length 63 [2018-11-18 08:36:30,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:30,287 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 155 transitions. [2018-11-18 08:36:30,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 08:36:30,287 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 155 transitions. [2018-11-18 08:36:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 08:36:30,287 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:30,287 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:36:30,288 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:30,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:30,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1513605410, now seen corresponding path program 1 times [2018-11-18 08:36:30,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:30,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:30,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:30,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:30,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:36:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:36:30,350 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 08:36:30,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:36:30 BoogieIcfgContainer [2018-11-18 08:36:30,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:36:30,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:36:30,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:36:30,384 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:36:30,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/4) ... [2018-11-18 08:36:30,386 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 08:36:30,425 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b94bee04-e261-485d-8167-359192bb5a80/bin-2019/uautomizer/witness.graphml [2018-11-18 08:36:30,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:36:30,426 INFO L168 Benchmark]: Toolchain (without parser) took 120500.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:30,426 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:36:30,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -125.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:30,427 INFO L168 Benchmark]: Boogie Preprocessor took 48.42 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:30,427 INFO L168 Benchmark]: RCFGBuilder took 485.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:30,427 INFO L168 Benchmark]: TraceAbstraction took 119547.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 98.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -73.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:30,427 INFO L168 Benchmark]: Witness Printer took 42.09 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: 9.2 kB). Peak memory consumption was 9.2 kB. Max. memory is 11.5 GB. [2018-11-18 08:36:30,428 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -125.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.42 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 485.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 119547.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 98.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -73.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Witness Printer took 42.09 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: 9.2 kB). Peak memory consumption was 9.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1038]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = ((void*)0) [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L990] SLL* item = head; [L991] int status = 0; VAL [head={14:0}, item={14:0}, malloc(sizeof(SLL))={14:0}, status=0] [L993] COND TRUE __VERIFIER_nondet_int() [L995] EXPR, FCALL malloc(sizeof(SLL)) [L995] FCALL item->next = malloc(sizeof(SLL)) [L996] EXPR, FCALL item->next [L996] FCALL item->next->prev = item [L997] EXPR, FCALL item->next [L997] item = item->next [L998] FCALL item->next = ((void*)0) VAL [head={14:0}, item={18:0}, malloc(sizeof(SLL))={18:0}, malloc(sizeof(SLL))={14:0}, status=0] [L1000] COND TRUE !status [L1002] FCALL item->data = 1 [L1003] status = 1 VAL [head={14:0}, item={18:0}, malloc(sizeof(SLL))={18:0}, malloc(sizeof(SLL))={14:0}, status=1] [L1016] COND FALSE !(!(head != ((void*)0))) VAL [head={14:0}, item={18:0}, malloc(sizeof(SLL))={18:0}, malloc(sizeof(SLL))={14:0}, status=1] [L1016] COND FALSE !(0) VAL [head={14:0}, item={18:0}, malloc(sizeof(SLL))={18:0}, malloc(sizeof(SLL))={14:0}, status=1] [L1017] COND FALSE !(!(item != ((void*)0))) VAL [head={14:0}, item={18:0}, malloc(sizeof(SLL))={18:0}, malloc(sizeof(SLL))={14:0}, status=1] [L1017] COND FALSE !(0) VAL [head={14:0}, item={18:0}, malloc(sizeof(SLL))={18:0}, malloc(sizeof(SLL))={14:0}, status=1] [L993] COND TRUE __VERIFIER_nondet_int() [L995] EXPR, FCALL malloc(sizeof(SLL)) [L995] FCALL item->next = malloc(sizeof(SLL)) [L996] EXPR, FCALL item->next [L996] FCALL item->next->prev = item [L997] EXPR, FCALL item->next [L997] item = item->next [L998] FCALL item->next = ((void*)0) VAL [head={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, status=1] [L1000] COND FALSE !(!status) VAL [head={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, status=1] [L1005] COND TRUE status == 1 [L1007] FCALL item->data = 2 [L1008] status = 2 VAL [head={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, status=2] [L1016] COND FALSE !(!(head != ((void*)0))) VAL [head={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, status=2] [L1016] COND FALSE !(0) VAL [head={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, status=2] [L1017] COND FALSE !(!(item != ((void*)0))) VAL [head={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, status=2] [L1017] COND FALSE !(0) VAL [head={14:0}, item={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, status=2] [L993] COND TRUE __VERIFIER_nondet_int() [L995] EXPR, FCALL malloc(sizeof(SLL)) [L995] FCALL item->next = malloc(sizeof(SLL)) [L996] EXPR, FCALL item->next [L996] FCALL item->next->prev = item [L997] EXPR, FCALL item->next [L997] item = item->next [L998] FCALL item->next = ((void*)0) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=2] [L1000] COND FALSE !(!status) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=2] [L1005] COND FALSE !(status == 1) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=2] [L1010] COND TRUE status >= 2 [L1012] FCALL item->data = 3 [L1013] status = 3 VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1016] COND FALSE !(!(head != ((void*)0))) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1016] COND FALSE !(0) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1017] COND FALSE !(!(item != ((void*)0))) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1017] COND FALSE !(0) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L993] COND FALSE !(__VERIFIER_nondet_int()) [L1020] COND FALSE !(!(head != ((void*)0))) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1020] COND FALSE !(0) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1021] COND FALSE !(status == 1) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1026] COND FALSE !(status == 2) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1032] COND TRUE status == 3 VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1034] COND FALSE !(!(head != ((void*)0))) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1034] COND FALSE !(0) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1035] EXPR, FCALL head->next VAL [head={14:0}, head->next={18:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1035] COND FALSE !(!(head->next != ((void*)0))) [L1035] COND FALSE !(0) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1036] EXPR, FCALL head->next [L1036] EXPR, FCALL head->next->next VAL [head={14:0}, head->next={18:0}, head->next->next={15:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1036] COND FALSE !(!(head->next->next != ((void*)0))) [L1036] COND FALSE !(0) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1037] EXPR, FCALL head->next [L1037] EXPR, FCALL head->next->next [L1037] EXPR, FCALL head->next->next->next VAL [head={14:0}, head->next={18:0}, head->next->next={15:0}, head->next->next->next={16:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1037] COND FALSE !(!(head->next->next->next != ((void*)0))) [L1037] COND FALSE !(0) VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1038] EXPR, FCALL head->next [L1038] EXPR, FCALL head->next->next [L1038] EXPR, FCALL head->next->next->next [L1038] EXPR, FCALL head->next->next->next->data VAL [head={14:0}, head->next={18:0}, head->next->next={15:0}, head->next->next->next={16:0}, head->next->next->next->data=3, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] [L1038] COND TRUE !(head->next->next->next->data != 3) [L1038] __VERIFIER_error() VAL [head={14:0}, item={16:0}, malloc(sizeof(SLL))={16:0}, malloc(sizeof(SLL))={14:0}, status=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 99 locations, 14 error locations. UNSAFE Result, 119.5s OverallTime, 23 OverallIterations, 4 TraceHistogramMax, 69.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1838 SDtfs, 2092 SDslu, 5808 SDs, 0 SdLazy, 2712 SolverSat, 200 SolverUnsat, 58 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 685 GetRequests, 483 SyntacticMatches, 14 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 97.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 368 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 48.7s InterpolantComputationTime, 1441 NumberOfCodeBlocks, 1441 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1346 ConstructedInterpolants, 242 QuantifiedInterpolants, 5887157 SizeOfPredicates, 141 NumberOfNonLiveVariables, 1476 ConjunctsInSsa, 339 ConjunctsInUnsatCore, 32 InterpolantComputations, 12 PerfectInterpolantSequences, 140/546 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...