./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_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_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/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 65263b67fd81174d35f819c28bc33cb1f3e6621f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:22:07,062 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:22:07,063 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:22:07,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:22:07,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:22:07,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:22:07,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:22:07,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:22:07,075 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:22:07,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:22:07,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:22:07,076 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:22:07,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:22:07,078 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:22:07,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:22:07,079 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:22:07,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:22:07,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:22:07,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:22:07,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:22:07,084 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:22:07,085 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:22:07,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:22:07,087 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:22:07,087 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:22:07,087 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:22:07,088 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:22:07,089 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:22:07,089 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:22:07,090 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:22:07,090 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:22:07,091 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:22:07,091 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:22:07,091 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:22:07,091 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:22:07,092 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:22:07,092 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 12:22:07,102 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:22:07,102 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:22:07,103 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:22:07,103 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:22:07,103 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:22:07,104 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:22:07,104 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:22:07,104 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:22:07,104 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:22:07,104 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:22:07,104 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:22:07,104 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:22:07,105 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:22:07,105 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:22:07,105 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:22:07,105 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:22:07,105 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:22:07,105 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:22:07,105 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:22:07,106 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:22:07,106 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:22:07,106 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:22:07,106 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:22:07,106 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:22:07,106 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:22:07,106 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:22:07,107 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:22:07,107 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:22:07,107 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:22:07,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:22:07,107 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_c7f60592-c798-4291-beaa-8e0542af281b/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 -> 65263b67fd81174d35f819c28bc33cb1f3e6621f [2018-11-18 12:22:07,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:22:07,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:22:07,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:22:07,136 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:22:07,136 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:22:07,136 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-18 12:22:07,173 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/data/4d9eb9ec3/ebd4ed6764bf4df0a2e516910a3e1d7d/FLAG321d76fdf [2018-11-18 12:22:07,601 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:22:07,601 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-18 12:22:07,608 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/data/4d9eb9ec3/ebd4ed6764bf4df0a2e516910a3e1d7d/FLAG321d76fdf [2018-11-18 12:22:07,619 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/data/4d9eb9ec3/ebd4ed6764bf4df0a2e516910a3e1d7d [2018-11-18 12:22:07,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:22:07,622 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:22:07,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:22:07,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:22:07,624 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:22:07,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:22:07" (1/1) ... [2018-11-18 12:22:07,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cab1b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07, skipping insertion in model container [2018-11-18 12:22:07,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:22:07" (1/1) ... [2018-11-18 12:22:07,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:22:07,661 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:22:07,862 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:22:07,868 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:22:07,954 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:22:07,987 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:22:07,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07 WrapperNode [2018-11-18 12:22:07,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:22:07,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:22:07,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:22:07,989 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:22:07,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07" (1/1) ... [2018-11-18 12:22:07,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07" (1/1) ... [2018-11-18 12:22:08,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07" (1/1) ... [2018-11-18 12:22:08,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07" (1/1) ... [2018-11-18 12:22:08,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07" (1/1) ... [2018-11-18 12:22:08,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07" (1/1) ... [2018-11-18 12:22:08,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07" (1/1) ... [2018-11-18 12:22:08,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:22:08,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:22:08,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:22:08,035 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:22:08,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:22:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:22:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:22:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-18 12:22:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-18 12:22:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-18 12:22:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2018-11-18 12:22:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2018-11-18 12:22:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2018-11-18 12:22:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2018-11-18 12:22:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2018-11-18 12:22:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2018-11-18 12:22:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2018-11-18 12:22:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2018-11-18 12:22:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:22:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:22:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-18 12:22:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-18 12:22:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 12:22:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 12:22:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 12:22:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 12:22:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 12:22:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 12:22:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 12:22:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 12:22:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 12:22:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 12:22:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 12:22:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 12:22:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 12:22:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 12:22:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 12:22:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 12:22:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 12:22:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 12:22:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 12:22:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 12:22:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 12:22:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 12:22:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 12:22:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 12:22:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 12:22:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 12:22:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 12:22:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 12:22:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 12:22:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 12:22:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 12:22:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 12:22:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 12:22:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 12:22:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 12:22:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 12:22:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 12:22:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 12:22:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 12:22:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 12:22:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 12:22:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 12:22:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 12:22:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 12:22:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 12:22:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 12:22:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 12:22:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 12:22:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 12:22:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 12:22:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 12:22:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 12:22:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 12:22:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 12:22:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 12:22:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 12:22:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 12:22:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 12:22:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 12:22:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 12:22:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 12:22:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:22:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 12:22:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 12:22:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 12:22:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 12:22:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 12:22:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 12:22:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 12:22:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 12:22:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 12:22:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 12:22:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 12:22:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 12:22:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 12:22:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 12:22:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 12:22:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 12:22:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 12:22:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 12:22:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 12:22:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 12:22:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 12:22:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 12:22:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 12:22:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 12:22:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 12:22:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 12:22:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 12:22:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 12:22:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 12:22:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 12:22:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 12:22:08,097 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 12:22:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 12:22:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 12:22:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 12:22:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 12:22:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 12:22:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 12:22:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:22:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-18 12:22:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2018-11-18 12:22:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:22:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:22:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2018-11-18 12:22:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:22:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2018-11-18 12:22:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:22:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2018-11-18 12:22:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2018-11-18 12:22:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2018-11-18 12:22:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2018-11-18 12:22:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2018-11-18 12:22:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:22:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:22:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:22:08,551 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:22:08,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:22:08 BoogieIcfgContainer [2018-11-18 12:22:08,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:22:08,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:22:08,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:22:08,555 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:22:08,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:22:07" (1/3) ... [2018-11-18 12:22:08,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69657da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:22:08, skipping insertion in model container [2018-11-18 12:22:08,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:07" (2/3) ... [2018-11-18 12:22:08,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69657da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:22:08, skipping insertion in model container [2018-11-18 12:22:08,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:22:08" (3/3) ... [2018-11-18 12:22:08,557 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_to_dll_rev_false-unreach-call_false-valid-memcleanup.i [2018-11-18 12:22:08,563 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:22:08,568 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:22:08,577 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:22:08,599 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:22:08,599 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:22:08,599 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:22:08,599 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:22:08,600 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:22:08,600 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:22:08,600 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:22:08,600 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:22:08,600 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:22:08,613 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-11-18 12:22:08,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:22:08,618 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:22:08,618 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, 1] [2018-11-18 12:22:08,620 INFO L423 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:22:08,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:22:08,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1083739365, now seen corresponding path program 1 times [2018-11-18 12:22:08,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:22:08,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:22:08,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:08,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:22:08,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:08,717 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 12:22:08,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:22:08,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:22:08,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:22:08,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:22:08,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:22:08,732 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-11-18 12:22:08,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:22:08,763 INFO L93 Difference]: Finished difference Result 262 states and 404 transitions. [2018-11-18 12:22:08,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:22:08,764 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-11-18 12:22:08,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:22:08,771 INFO L225 Difference]: With dead ends: 262 [2018-11-18 12:22:08,771 INFO L226 Difference]: Without dead ends: 126 [2018-11-18 12:22:08,775 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 12:22:08,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-18 12:22:08,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-18 12:22:08,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 12:22:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2018-11-18 12:22:08,811 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 25 [2018-11-18 12:22:08,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:22:08,811 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2018-11-18 12:22:08,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:22:08,812 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2018-11-18 12:22:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:22:08,813 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:22:08,813 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-11-18 12:22:08,813 INFO L423 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:22:08,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:22:08,814 INFO L82 PathProgramCache]: Analyzing trace with hash -12269020, now seen corresponding path program 1 times [2018-11-18 12:22:08,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:22:08,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:22:08,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:08,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:22:08,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:09,546 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2018-11-18 12:22:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:22:09,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:22:09,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2018-11-18 12:22:09,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-18 12:22:09,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-18 12:22:09,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2018-11-18 12:22:09,743 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand 24 states. [2018-11-18 12:22:10,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:22:10,991 INFO L93 Difference]: Finished difference Result 184 states and 219 transitions. [2018-11-18 12:22:10,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 12:22:10,991 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 54 [2018-11-18 12:22:10,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:22:10,993 INFO L225 Difference]: With dead ends: 184 [2018-11-18 12:22:10,993 INFO L226 Difference]: Without dead ends: 181 [2018-11-18 12:22:10,994 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=115, Invalid=1075, Unknown=0, NotChecked=0, Total=1190 [2018-11-18 12:22:10,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-11-18 12:22:11,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 142. [2018-11-18 12:22:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-18 12:22:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 164 transitions. [2018-11-18 12:22:11,007 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 164 transitions. Word has length 54 [2018-11-18 12:22:11,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:22:11,007 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 164 transitions. [2018-11-18 12:22:11,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-18 12:22:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 164 transitions. [2018-11-18 12:22:11,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 12:22:11,008 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:22:11,008 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2018-11-18 12:22:11,008 INFO L423 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:22:11,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:22:11,009 INFO L82 PathProgramCache]: Analyzing trace with hash -429967557, now seen corresponding path program 1 times [2018-11-18 12:22:11,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:22:11,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:22:11,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:11,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:22:11,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:22:11,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:22:11,639 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/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 12:22:11,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:22:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:11,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:22:11,733 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:11,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-11-18 12:22:11,739 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 23 treesize of output 15 [2018-11-18 12:22:11,740 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:11,743 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:11,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:11,748 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:18 [2018-11-18 12:22:11,950 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 39 [2018-11-18 12:22:11,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-11-18 12:22:11,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:11,977 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 12:22:11,978 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,000 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-11-18 12:22:12,003 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 7 [2018-11-18 12:22:12,004 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,006 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,029 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 3 case distinctions, treesize of input 26 treesize of output 34 [2018-11-18 12:22:12,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 23 treesize of output 26 [2018-11-18 12:22:12,035 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,052 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 25 [2018-11-18 12:22:12,053 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-18 12:22:12,063 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:22:12,070 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,075 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:51, output treesize:28 [2018-11-18 12:22:12,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 55 [2018-11-18 12:22:12,168 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 50 treesize of output 49 [2018-11-18 12:22:12,169 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,224 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,234 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:60, output treesize:56 [2018-11-18 12:22:12,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 60 treesize of output 79 [2018-11-18 12:22:12,348 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 62 treesize of output 63 [2018-11-18 12:22:12,349 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,422 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 57 treesize of output 56 [2018-11-18 12:22:12,423 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:12,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:22:12,488 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:68, output treesize:64 [2018-11-18 12:22:47,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:47,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 87 treesize of output 121 [2018-11-18 12:22:47,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 101 [2018-11-18 12:22:47,423 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-11-18 12:22:47,428 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 23 treesize of output 19 [2018-11-18 12:22:47,429 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:47,434 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:47,451 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:48,784 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:48,790 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 106 [2018-11-18 12:22:48,793 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 98 [2018-11-18 12:22:48,796 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 23 treesize of output 19 [2018-11-18 12:22:48,796 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:48,809 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:48,846 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:48,847 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:48,853 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 114 [2018-11-18 12:22:48,857 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 104 treesize of output 98 [2018-11-18 12:22:48,857 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:48,898 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 98 treesize of output 102 [2018-11-18 12:22:48,898 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:48,934 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:22:48,983 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:22:50,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:50,357 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 99 [2018-11-18 12:22:50,360 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 81 [2018-11-18 12:22:50,363 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 23 treesize of output 19 [2018-11-18 12:22:50,364 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:50,379 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:50,446 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:50,448 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:50,454 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 105 [2018-11-18 12:22:50,457 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 101 treesize of output 93 [2018-11-18 12:22:50,457 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:50,506 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 83 treesize of output 77 [2018-11-18 12:22:50,507 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:50,559 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:22:50,641 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:50,643 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:50,644 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:50,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 91 treesize of output 119 [2018-11-18 12:22:50,658 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 105 treesize of output 97 [2018-11-18 12:22:50,658 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:50,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 109 [2018-11-18 12:22:50,754 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:50,843 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 89 treesize of output 93 [2018-11-18 12:22:50,844 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:50,929 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 83 treesize of output 77 [2018-11-18 12:22:50,929 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:51,015 INFO L267 ElimStorePlain]: Start of recursive call 18: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:22:51,120 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:51,121 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:51,127 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 105 [2018-11-18 12:22:51,130 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 101 treesize of output 93 [2018-11-18 12:22:51,130 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:51,170 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 81 treesize of output 77 [2018-11-18 12:22:51,170 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:51,205 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:22:51,287 INFO L267 ElimStorePlain]: Start of recursive call 12: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-18 12:22:53,038 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:53,044 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 106 [2018-11-18 12:22:53,047 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 98 [2018-11-18 12:22:53,049 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 23 treesize of output 19 [2018-11-18 12:22:53,050 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:53,063 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:53,099 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:53,101 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:53,107 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 114 [2018-11-18 12:22:53,110 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 104 treesize of output 98 [2018-11-18 12:22:53,111 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:53,156 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 96 treesize of output 102 [2018-11-18 12:22:53,156 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:53,193 INFO L267 ElimStorePlain]: Start of recursive call 29: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:22:53,246 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:22:55,201 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,203 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,204 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,204 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 93 treesize of output 97 [2018-11-18 12:22:55,207 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 80 treesize of output 81 [2018-11-18 12:22:55,207 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:55,221 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:55,223 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,224 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,225 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,226 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 77 treesize of output 85 [2018-11-18 12:22:55,228 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 62 treesize of output 59 [2018-11-18 12:22:55,228 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:55,243 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:55,246 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,249 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,250 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,251 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 85 treesize of output 91 [2018-11-18 12:22:55,254 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 71 treesize of output 70 [2018-11-18 12:22:55,255 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:55,279 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:55,282 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,284 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,285 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:55,286 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 85 treesize of output 91 [2018-11-18 12:22:55,289 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 71 treesize of output 70 [2018-11-18 12:22:55,289 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:55,303 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:56,638 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:56,644 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:56,647 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:56,663 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 3 new quantified variables, introduced 7 case distinctions, treesize of input 95 treesize of output 129 [2018-11-18 12:22:56,679 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 2 case distinctions, treesize of input 104 treesize of output 111 [2018-11-18 12:22:56,680 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-11-18 12:22:56,904 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:56,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 92 [2018-11-18 12:22:56,905 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:57,007 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:57,012 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 2 case distinctions, treesize of input 81 treesize of output 95 [2018-11-18 12:22:57,012 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-11-18 12:22:57,098 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:57,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 94 [2018-11-18 12:22:57,107 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 4 xjuncts. [2018-11-18 12:22:57,198 INFO L267 ElimStorePlain]: Start of recursive call 40: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-18 12:22:58,433 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:58,438 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:58,440 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:58,452 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 4 case distinctions, treesize of input 92 treesize of output 107 [2018-11-18 12:22:58,456 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 100 treesize of output 101 [2018-11-18 12:22:58,456 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:58,513 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:22:58,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 74 treesize of output 103 [2018-11-18 12:22:58,533 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 65 [2018-11-18 12:22:58,536 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 19 treesize of output 15 [2018-11-18 12:22:58,536 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:58,547 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:22:58,617 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 91 [2018-11-18 12:22:58,620 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 87 treesize of output 89 [2018-11-18 12:22:58,620 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:58,664 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 77 treesize of output 73 [2018-11-18 12:22:58,664 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:58,692 INFO L267 ElimStorePlain]: Start of recursive call 50: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:22:58,773 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 91 [2018-11-18 12:22:58,776 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 81 treesize of output 77 [2018-11-18 12:22:58,776 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:58,819 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 83 treesize of output 89 [2018-11-18 12:22:58,819 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:58,857 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:22:58,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 116 [2018-11-18 12:22:58,976 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 102 treesize of output 104 [2018-11-18 12:22:58,976 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:59,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 116 [2018-11-18 12:22:59,085 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:59,156 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 94 treesize of output 100 [2018-11-18 12:22:59,156 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:59,224 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 77 treesize of output 73 [2018-11-18 12:22:59,224 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-18 12:22:59,283 INFO L267 ElimStorePlain]: Start of recursive call 56: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:22:59,411 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-18 12:22:59,558 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-11-18 12:23:00,967 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:00,970 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:00,973 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:00,981 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 4 case distinctions, treesize of input 82 treesize of output 103 [2018-11-18 12:23:00,985 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 92 treesize of output 91 [2018-11-18 12:23:00,985 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:01,040 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:01,044 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 2 case distinctions, treesize of input 70 treesize of output 82 [2018-11-18 12:23:01,045 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2018-11-18 12:23:01,083 INFO L267 ElimStorePlain]: Start of recursive call 61: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:23:01,086 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:01,089 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:01,091 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:01,099 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 4 case distinctions, treesize of input 90 treesize of output 109 [2018-11-18 12:23:01,109 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 2 case distinctions, treesize of input 95 treesize of output 102 [2018-11-18 12:23:01,109 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 2 xjuncts. [2018-11-18 12:23:01,185 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:01,185 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 75 treesize of output 83 [2018-11-18 12:23:01,186 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:01,225 INFO L267 ElimStorePlain]: Start of recursive call 64: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:23:02,495 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:02,502 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:02,506 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:02,523 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 3 new quantified variables, introduced 9 case distinctions, treesize of input 89 treesize of output 121 [2018-11-18 12:23:02,529 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 101 treesize of output 102 [2018-11-18 12:23:02,529 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:02,698 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:02,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 77 treesize of output 106 [2018-11-18 12:23:02,713 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 83 [2018-11-18 12:23:02,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-18 12:23:02,716 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:02,740 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:23:02,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:02,779 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:02,784 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 90 treesize of output 110 [2018-11-18 12:23:02,787 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 106 treesize of output 98 [2018-11-18 12:23:02,787 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:02,826 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 86 treesize of output 82 [2018-11-18 12:23:02,826 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:02,857 INFO L267 ElimStorePlain]: Start of recursive call 72: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:23:02,901 INFO L267 ElimStorePlain]: Start of recursive call 69: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:23:03,039 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:03,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 74 treesize of output 103 [2018-11-18 12:23:03,067 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 99 [2018-11-18 12:23:03,070 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 95 treesize of output 97 [2018-11-18 12:23:03,070 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:03,114 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 77 treesize of output 73 [2018-11-18 12:23:03,115 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:03,145 INFO L267 ElimStorePlain]: Start of recursive call 76: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:23:03,233 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:03,235 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:03,240 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 101 [2018-11-18 12:23:03,243 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 91 treesize of output 77 [2018-11-18 12:23:03,243 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:03,283 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 83 treesize of output 89 [2018-11-18 12:23:03,283 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:03,336 INFO L267 ElimStorePlain]: Start of recursive call 79: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:23:03,434 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 61 [2018-11-18 12:23:03,436 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 19 treesize of output 15 [2018-11-18 12:23:03,436 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:03,447 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:23:03,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 88 treesize of output 116 [2018-11-18 12:23:03,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 116 [2018-11-18 12:23:03,561 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:03,641 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 94 treesize of output 100 [2018-11-18 12:23:03,641 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:03,711 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 77 treesize of output 73 [2018-11-18 12:23:03,711 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:03,784 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 94 treesize of output 100 [2018-11-18 12:23:03,784 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:03,846 INFO L267 ElimStorePlain]: Start of recursive call 84: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:23:03,974 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-18 12:23:04,245 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:04,252 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 2 case distinctions, treesize of input 75 treesize of output 89 [2018-11-18 12:23:04,253 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 2 xjuncts. [2018-11-18 12:23:04,555 INFO L267 ElimStorePlain]: Start of recursive call 67: 4 dim-1 vars, End of recursive call: and 15 xjuncts. [2018-11-18 12:23:05,295 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:05,300 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:05,302 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:05,313 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 4 case distinctions, treesize of input 82 treesize of output 103 [2018-11-18 12:23:05,319 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 92 treesize of output 91 [2018-11-18 12:23:05,319 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:05,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:05,374 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 2 case distinctions, treesize of input 70 treesize of output 82 [2018-11-18 12:23:05,374 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 2 xjuncts. [2018-11-18 12:23:05,426 INFO L267 ElimStorePlain]: Start of recursive call 90: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:23:05,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-11-18 12:23:05,907 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 9 xjuncts. [2018-11-18 12:23:05,907 INFO L202 ElimStorePlain]: Needed 92 recursive calls to eliminate 4 variables, input treesize:132, output treesize:614 [2018-11-18 12:23:06,354 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 115 [2018-11-18 12:23:06,432 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,433 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,433 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,434 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,435 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 83 [2018-11-18 12:23:06,479 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,480 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,482 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,483 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 73 [2018-11-18 12:23:06,484 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:06,502 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:23:06,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 12:23:06,522 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:437, output treesize:109 [2018-11-18 12:23:06,599 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,600 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,601 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,603 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:23:06,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 100 [2018-11-18 12:23:06,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 40 [2018-11-18 12:23:06,616 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:06,640 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 13 treesize of output 5 [2018-11-18 12:23:06,640 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:06,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-11-18 12:23:06,657 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:06,667 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 35 treesize of output 17 [2018-11-18 12:23:06,668 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:23:06,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:23:06,680 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 12:23:06,680 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:113, output treesize:4 [2018-11-18 12:23:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:23:06,774 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:23:06,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25] total 41 [2018-11-18 12:23:06,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-11-18 12:23:06,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-11-18 12:23:06,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1507, Unknown=17, NotChecked=0, Total=1640 [2018-11-18 12:23:06,775 INFO L87 Difference]: Start difference. First operand 142 states and 164 transitions. Second operand 41 states. [2018-11-18 12:23:37,176 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-11-18 12:23:44,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:23:44,099 INFO L93 Difference]: Finished difference Result 238 states and 288 transitions. [2018-11-18 12:23:44,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 12:23:44,099 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 57 [2018-11-18 12:23:44,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:23:44,101 INFO L225 Difference]: With dead ends: 238 [2018-11-18 12:23:44,101 INFO L226 Difference]: Without dead ends: 235 [2018-11-18 12:23:44,102 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 48.8s TimeCoverageRelationStatistics Valid=210, Invalid=2630, Unknown=22, NotChecked=0, Total=2862 [2018-11-18 12:23:44,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-18 12:23:44,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 179. [2018-11-18 12:23:44,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-18 12:23:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 208 transitions. [2018-11-18 12:23:44,130 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 208 transitions. Word has length 57 [2018-11-18 12:23:44,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:23:44,131 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 208 transitions. [2018-11-18 12:23:44,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-11-18 12:23:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 208 transitions. [2018-11-18 12:23:44,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:23:44,132 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:23:44,132 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:44,133 INFO L423 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:23:44,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:44,133 INFO L82 PathProgramCache]: Analyzing trace with hash -63115830, now seen corresponding path program 1 times [2018-11-18 12:23:44,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:23:44,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:23:44,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:44,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:44,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:44,213 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 12:23:44,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:23:44 BoogieIcfgContainer [2018-11-18 12:23:44,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:23:44,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:23:44,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:23:44,246 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:23:44,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:22:08" (3/4) ... [2018-11-18 12:23:44,250 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 12:23:44,295 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c7f60592-c798-4291-beaa-8e0542af281b/bin-2019/uautomizer/witness.graphml [2018-11-18 12:23:44,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:23:44,295 INFO L168 Benchmark]: Toolchain (without parser) took 96674.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -98.9 MB). Peak memory consumption was 184.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:44,296 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:23:44,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:44,296 INFO L168 Benchmark]: Boogie Preprocessor took 46.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:44,296 INFO L168 Benchmark]: RCFGBuilder took 516.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:44,297 INFO L168 Benchmark]: TraceAbstraction took 95693.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -16.7 MB). Peak memory consumption was 136.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:44,297 INFO L168 Benchmark]: Witness Printer took 48.94 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:44,298 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 516.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 95693.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -16.7 MB). Peak memory consumption was 136.4 MB. Max. memory is 11.5 GB. * Witness Printer took 48.94 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 554]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L628] FCALL const struct node *p1, *p2; VAL [p1={10:0}, p2={13:0}] [L629] CALL, EXPR create_sll(&p1, &p2) VAL [pp1={10:0}, pp2={13:0}] [L577] FCALL struct node *list = ((void *)0); VAL [list={11:0}, pp1={10:0}, pp1={10:0}, pp2={13:0}, pp2={13:0}] [L579] CALL chain_node(&list) VAL [ppnode={11:0}] [L571] CALL, EXPR alloc_node() [L562] EXPR, FCALL malloc(sizeof *ptr) [L562] struct node *ptr = malloc(sizeof *ptr); VAL [malloc(sizeof *ptr)={12:0}, ptr={12:0}] [L563] COND FALSE !(!ptr) VAL [malloc(sizeof *ptr)={12:0}, ptr={12:0}] [L565] FCALL ptr->next = ((void *)0) [L566] FCALL ptr->prev = ((void *)0) [L567] RET return ptr; VAL [\result={12:0}, malloc(sizeof *ptr)={12:0}, ptr={12:0}] [L571] EXPR alloc_node() VAL [alloc_node()={12:0}, ppnode={11:0}, ppnode={11:0}] [L571] struct node *node = alloc_node(); [L572] EXPR, FCALL \read(**ppnode) [L572] FCALL node->next = *ppnode [L573] RET, FCALL *ppnode = node VAL [node={12:0}, ppnode={11:0}, ppnode={11:0}] [L579] chain_node(&list) VAL [list={11:0}, pp1={10:0}, pp1={10:0}, pp2={13:0}, pp2={13:0}] [L580] COND FALSE !(__VERIFIER_nondet_int()) [L581] EXPR, FCALL \read(*list) [L581] FCALL *pp2 = list [L582] COND FALSE !(__VERIFIER_nondet_int()) [L584] EXPR, FCALL \read(*list) [L584] FCALL *pp1 = list [L586] CALL chain_node(&list) VAL [ppnode={11:0}] [L571] CALL, EXPR alloc_node() [L562] EXPR, FCALL malloc(sizeof *ptr) [L562] struct node *ptr = malloc(sizeof *ptr); VAL [malloc(sizeof *ptr)={15:0}, ptr={15:0}] [L563] COND FALSE !(!ptr) VAL [malloc(sizeof *ptr)={15:0}, ptr={15:0}] [L565] FCALL ptr->next = ((void *)0) [L566] FCALL ptr->prev = ((void *)0) [L567] RET return ptr; VAL [\result={15:0}, malloc(sizeof *ptr)={15:0}, ptr={15:0}] [L571] EXPR alloc_node() VAL [alloc_node()={15:0}, ppnode={11:0}, ppnode={11:0}] [L571] struct node *node = alloc_node(); [L572] EXPR, FCALL \read(**ppnode) [L572] FCALL node->next = *ppnode [L573] RET, FCALL *ppnode = node VAL [node={15:0}, ppnode={11:0}, ppnode={11:0}] [L586] chain_node(&list) VAL [list={11:0}, pp1={10:0}, pp1={10:0}, pp2={13:0}, pp2={13:0}] [L587] COND FALSE !(__VERIFIER_nondet_int()) [L588] EXPR, FCALL \read(*list) [L588] return list; [L577] FCALL struct node *list = ((void *)0); [L588] RET return list; VAL [\result={15:0}, pp1={10:0}, pp1={10:0}, pp2={13:0}, pp2={13:0}] [L629] EXPR create_sll(&p1, &p2) VAL [create_sll(&p1, &p2)={15:0}, p1={10:0}, p2={13:0}] [L629] struct node *list = create_sll(&p1, &p2); [L630] COND FALSE !(0) VAL [list={15:0}, p1={10:0}, p2={13:0}] [L631] EXPR, FCALL \read(*p1) [L631] EXPR, FCALL \read(*p2) VAL [\read(*p1)={12:0}, \read(*p2)={12:0}, list={15:0}, p1={10:0}, p2={13:0}] [L631] CALL check_seq_next(p1, p2) VAL [beg={12:0}, end={12:0}] [L615] COND FALSE !(!(beg)) VAL [beg={12:0}, beg={12:0}, end={12:0}, end={12:0}] [L615] COND FALSE !(0) VAL [beg={12:0}, beg={12:0}, end={12:0}, end={12:0}] [L616] COND FALSE !(!(end)) VAL [beg={12:0}, beg={12:0}, end={12:0}, end={12:0}] [L616] COND FALSE !(0) VAL [beg={12:0}, beg={12:0}, end={12:0}, end={12:0}] [L617] EXPR, FCALL beg->next [L617] beg = beg->next [L617] COND TRUE end != beg VAL [beg={0:0}, beg={12:0}, end={12:0}, end={12:0}] [L618] COND TRUE !(beg) VAL [beg={0:0}, beg={12:0}, end={12:0}, end={12:0}] [L618] CALL fail() [L554] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 142 locations, 1 error locations. UNSAFE Result, 95.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 38.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 398 SDtfs, 467 SDslu, 2073 SDs, 0 SdLazy, 5468 SolverSat, 193 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 24.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 50 SyntacticMatches, 4 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 49.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=3, 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 95 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 56.5s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 189 ConstructedInterpolants, 13 QuantifiedInterpolants, 397119 SizeOfPredicates, 27 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 15/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...