./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.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_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/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 1dce1ce44ca1491c0193a7993733791efa122195 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/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 1dce1ce44ca1491c0193a7993733791efa122195 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_38 term size 11 --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:28:51,130 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:28:51,132 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:28:51,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:28:51,139 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:28:51,139 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:28:51,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:28:51,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:28:51,142 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:28:51,143 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:28:51,143 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:28:51,144 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:28:51,144 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:28:51,145 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:28:51,146 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:28:51,146 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:28:51,147 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:28:51,148 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:28:51,149 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:28:51,150 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:28:51,151 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:28:51,152 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:28:51,154 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:28:51,154 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:28:51,154 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:28:51,155 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:28:51,155 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:28:51,156 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:28:51,156 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:28:51,157 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:28:51,157 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:28:51,158 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:28:51,158 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:28:51,158 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:28:51,159 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:28:51,159 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:28:51,159 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 13:28:51,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:28:51,170 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:28:51,170 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:28:51,170 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:28:51,171 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:28:51,171 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:28:51,171 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:28:51,171 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:28:51,171 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:28:51,171 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:28:51,172 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:28:51,172 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:28:51,172 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:28:51,172 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:28:51,172 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:28:51,172 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:28:51,172 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:28:51,172 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:28:51,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:28:51,173 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:28:51,173 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:28:51,173 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:28:51,173 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:28:51,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:28:51,173 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:28:51,173 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:28:51,173 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:28:51,173 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:28:51,173 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:28:51,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:28:51,173 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_845967cd-16f6-4d8b-88af-eda47a3c0373/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 -> 1dce1ce44ca1491c0193a7993733791efa122195 [2018-11-18 13:28:51,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:28:51,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:28:51,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:28:51,209 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:28:51,210 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:28:51,210 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i [2018-11-18 13:28:51,255 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/data/39d26f56b/e6a22f16d941450bb65ba7195a807fa1/FLAG4584e548b [2018-11-18 13:28:51,603 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:28:51,604 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i [2018-11-18 13:28:51,615 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/data/39d26f56b/e6a22f16d941450bb65ba7195a807fa1/FLAG4584e548b [2018-11-18 13:28:51,627 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/data/39d26f56b/e6a22f16d941450bb65ba7195a807fa1 [2018-11-18 13:28:51,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:28:51,631 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:28:51,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:28:51,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:28:51,635 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:28:51,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:28:51" (1/1) ... [2018-11-18 13:28:51,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9d0273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51, skipping insertion in model container [2018-11-18 13:28:51,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:28:51" (1/1) ... [2018-11-18 13:28:51,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:28:51,679 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:28:51,887 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:28:51,893 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:28:51,972 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:28:51,998 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:28:51,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51 WrapperNode [2018-11-18 13:28:51,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:28:51,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:28:51,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:28:51,999 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:28:52,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51" (1/1) ... [2018-11-18 13:28:52,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51" (1/1) ... [2018-11-18 13:28:52,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51" (1/1) ... [2018-11-18 13:28:52,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51" (1/1) ... [2018-11-18 13:28:52,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51" (1/1) ... [2018-11-18 13:28:52,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51" (1/1) ... [2018-11-18 13:28:52,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51" (1/1) ... [2018-11-18 13:28:52,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:28:52,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:28:52,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:28:52,050 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:28:52,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/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 13:28:52,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:28:52,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:28:52,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-18 13:28:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-18 13:28:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-18 13:28:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2018-11-18 13:28:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2018-11-18 13:28:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2018-11-18 13:28:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2018-11-18 13:28:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2018-11-18 13:28:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2018-11-18 13:28:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2018-11-18 13:28:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2018-11-18 13:28:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:28:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:28:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-18 13:28:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-18 13:28:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 13:28:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 13:28:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 13:28:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 13:28:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 13:28:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 13:28:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 13:28:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 13:28:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 13:28:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 13:28:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 13:28:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 13:28:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 13:28:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 13:28:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 13:28:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 13:28:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 13:28:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 13:28:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 13:28:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 13:28:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 13:28:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 13:28:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 13:28:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 13:28:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 13:28:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 13:28:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 13:28:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 13:28:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 13:28:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 13:28:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 13:28:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 13:28:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 13:28:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 13:28:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 13:28:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 13:28:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 13:28:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 13:28:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 13:28:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 13:28:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 13:28:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 13:28:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 13:28:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 13:28:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 13:28:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 13:28:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 13:28:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 13:28:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 13:28:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 13:28:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 13:28:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:28:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 13:28:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 13:28:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 13:28:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 13:28:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 13:28:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 13:28:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 13:28:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 13:28:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 13:28:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 13:28:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 13:28:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 13:28:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 13:28:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 13:28:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 13:28:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 13:28:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 13:28:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 13:28:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 13:28:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 13:28:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 13:28:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:28:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 13:28:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2018-11-18 13:28:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 13:28:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2018-11-18 13:28:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:28:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2018-11-18 13:28:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2018-11-18 13:28:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2018-11-18 13:28:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2018-11-18 13:28:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2018-11-18 13:28:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:28:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:28:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:28:52,568 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:28:52,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:28:52 BoogieIcfgContainer [2018-11-18 13:28:52,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:28:52,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:28:52,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:28:52,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:28:52,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:28:51" (1/3) ... [2018-11-18 13:28:52,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e365f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:28:52, skipping insertion in model container [2018-11-18 13:28:52,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:51" (2/3) ... [2018-11-18 13:28:52,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e365f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:28:52, skipping insertion in model container [2018-11-18 13:28:52,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:28:52" (3/3) ... [2018-11-18 13:28:52,576 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i [2018-11-18 13:28:52,583 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:28:52,590 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:28:52,606 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:28:52,635 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:28:52,635 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:28:52,635 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:28:52,635 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:28:52,636 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:28:52,636 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:28:52,636 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:28:52,636 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:28:52,636 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:28:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-11-18 13:28:52,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:28:52,655 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:28:52,655 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 13:28:52,657 INFO L423 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:28:52,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:28:52,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1083739365, now seen corresponding path program 1 times [2018-11-18 13:28:52,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:28:52,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:28:52,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:28:52,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:28:52,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:28:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:52,761 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 13:28:52,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:28:52,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:28:52,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:28:52,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:28:52,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:28:52,775 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-11-18 13:28:52,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:28:52,806 INFO L93 Difference]: Finished difference Result 262 states and 404 transitions. [2018-11-18 13:28:52,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:28:52,807 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-11-18 13:28:52,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:28:52,816 INFO L225 Difference]: With dead ends: 262 [2018-11-18 13:28:52,817 INFO L226 Difference]: Without dead ends: 126 [2018-11-18 13:28:52,821 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 13:28:52,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-18 13:28:52,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-18 13:28:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 13:28:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2018-11-18 13:28:52,854 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 25 [2018-11-18 13:28:52,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:28:52,855 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2018-11-18 13:28:52,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:28:52,855 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2018-11-18 13:28:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 13:28:52,856 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:28:52,857 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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 13:28:52,857 INFO L423 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:28:52,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:28:52,857 INFO L82 PathProgramCache]: Analyzing trace with hash -438945882, now seen corresponding path program 1 times [2018-11-18 13:28:52,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:28:52,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:28:52,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:28:52,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:28:52,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:28:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:28:54,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:28:54,130 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/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 13:28:54,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:28:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:28:54,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:28:54,386 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 13:28:54,391 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 13:28:54,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:28:54,413 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 13:28:54,413 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 13:28:54,441 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 13:28:54,445 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 13:28:54,445 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 13:28:54,447 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:28:54,476 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 23 treesize of output 33 [2018-11-18 13:28:54,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-11-18 13:28:54,479 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 13:28:54,496 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 13:28:54,497 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-18 13:28:54,504 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 13:28:54,512 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 13:28:54,515 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 13:28:54,515 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:40, output treesize:8 [2018-11-18 13:28:54,580 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 24 treesize of output 34 [2018-11-18 13:28:54,585 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 25 treesize of output 24 [2018-11-18 13:28:54,586 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:28:54,602 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:28:54,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:28:54,606 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-11-18 13:28:56,516 WARN L854 $PredicateComparison]: unable to prove that (exists ((chain_node_~node~0.base Int)) (and (not (= chain_node_~node~0.base 0)) (= |c_#memory_$Pointer$.base| (let ((.cse0 (store |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base (let ((.cse1 (store (store (select |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base) 0 0) 4 0))) (store .cse1 0 (select (select (store |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base .cse1) |c_chain_node_#in~ppnode.base|) |c_chain_node_#in~ppnode.offset|)))))) (store .cse0 |c_chain_node_#in~ppnode.base| (store (select .cse0 |c_chain_node_#in~ppnode.base|) |c_chain_node_#in~ppnode.offset| chain_node_~node~0.base)))))) is different from true [2018-11-18 13:28:56,585 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:28:56,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 92 [2018-11-18 13:28:56,621 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:28:56,630 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 91 [2018-11-18 13:28:56,735 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2018-11-18 13:28:56,738 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:28:56,738 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:28:56,739 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:28:56,740 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 69 [2018-11-18 13:28:56,743 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 0 case distinctions, treesize of input 30 treesize of output 28 [2018-11-18 13:28:56,746 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:28:56,947 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:28:56,947 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_5 term size 14 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 13:28:56,950 INFO L168 Benchmark]: Toolchain (without parser) took 5319.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.6 MB in the beginning and 921.5 MB in the end (delta: 35.1 MB). Peak memory consumption was 168.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:28:56,950 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:28:56,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:28:56,951 INFO L168 Benchmark]: Boogie Preprocessor took 50.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:28:56,951 INFO L168 Benchmark]: RCFGBuilder took 518.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:28:56,952 INFO L168 Benchmark]: TraceAbstraction took 4379.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 921.5 MB in the end (delta: 130.6 MB). Peak memory consumption was 130.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:28:56,954 INFO L336 ainManager$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 367.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.32 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 518.92 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: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4379.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 921.5 MB in the end (delta: 130.6 MB). Peak memory consumption was 130.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_5 term size 14 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_5 term size 14: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 13:28:58,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:28:58,408 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:28:58,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:28:58,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:28:58,417 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:28:58,418 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:28:58,419 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:28:58,420 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:28:58,421 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:28:58,422 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:28:58,422 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:28:58,422 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:28:58,423 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:28:58,424 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:28:58,425 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:28:58,425 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:28:58,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:28:58,428 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:28:58,428 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:28:58,430 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:28:58,431 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:28:58,432 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:28:58,432 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:28:58,433 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:28:58,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:28:58,434 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:28:58,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:28:58,435 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:28:58,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:28:58,436 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:28:58,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:28:58,438 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:28:58,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:28:58,438 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:28:58,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:28:58,439 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 13:28:58,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:28:58,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:28:58,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:28:58,450 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:28:58,450 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:28:58,450 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:28:58,451 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:28:58,451 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:28:58,451 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:28:58,451 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:28:58,451 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:28:58,451 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:28:58,451 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:28:58,452 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:28:58,452 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:28:58,452 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:28:58,452 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:28:58,452 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:28:58,452 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:28:58,452 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:28:58,452 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:28:58,453 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:28:58,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:28:58,455 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:28:58,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:28:58,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:28:58,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:28:58,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:28:58,455 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 13:28:58,455 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:28:58,456 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:28:58,456 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:28:58,456 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_845967cd-16f6-4d8b-88af-eda47a3c0373/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 -> 1dce1ce44ca1491c0193a7993733791efa122195 [2018-11-18 13:28:58,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:28:58,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:28:58,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:28:58,498 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:28:58,498 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:28:58,499 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i [2018-11-18 13:28:58,541 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/data/f36a3c443/0dc123291c3e47a38395e76dbf318e7c/FLAGee21cbb86 [2018-11-18 13:28:58,903 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:28:58,903 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i [2018-11-18 13:28:58,912 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/data/f36a3c443/0dc123291c3e47a38395e76dbf318e7c/FLAGee21cbb86 [2018-11-18 13:28:59,301 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/data/f36a3c443/0dc123291c3e47a38395e76dbf318e7c [2018-11-18 13:28:59,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:28:59,304 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:28:59,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:28:59,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:28:59,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:28:59,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:28:59" (1/1) ... [2018-11-18 13:28:59,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3885419b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59, skipping insertion in model container [2018-11-18 13:28:59,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:28:59" (1/1) ... [2018-11-18 13:28:59,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:28:59,350 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:28:59,574 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:28:59,580 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:28:59,623 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:28:59,651 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:28:59,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59 WrapperNode [2018-11-18 13:28:59,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:28:59,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:28:59,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:28:59,652 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:28:59,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59" (1/1) ... [2018-11-18 13:28:59,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59" (1/1) ... [2018-11-18 13:28:59,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59" (1/1) ... [2018-11-18 13:28:59,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59" (1/1) ... [2018-11-18 13:28:59,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59" (1/1) ... [2018-11-18 13:28:59,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59" (1/1) ... [2018-11-18 13:28:59,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59" (1/1) ... [2018-11-18 13:28:59,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:28:59,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:28:59,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:28:59,735 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:28:59,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/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 13:28:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:28:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:28:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-18 13:28:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-18 13:28:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-18 13:28:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2018-11-18 13:28:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2018-11-18 13:28:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2018-11-18 13:28:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2018-11-18 13:28:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2018-11-18 13:28:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2018-11-18 13:28:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2018-11-18 13:28:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2018-11-18 13:28:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:28:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:28:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-18 13:28:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-18 13:28:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 13:28:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 13:28:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 13:28:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 13:28:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 13:28:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 13:28:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 13:28:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 13:28:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 13:28:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 13:28:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 13:28:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 13:28:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 13:28:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 13:28:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 13:28:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 13:28:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 13:28:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 13:28:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 13:28:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 13:28:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 13:28:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 13:28:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 13:28:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 13:28:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 13:28:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 13:28:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 13:28:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 13:28:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 13:28:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 13:28:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 13:28:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 13:28:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 13:28:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 13:28:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 13:28:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 13:28:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 13:28:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 13:28:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 13:28:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 13:28:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 13:28:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 13:28:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 13:28:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 13:28:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 13:28:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 13:28:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 13:28:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 13:28:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 13:28:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 13:28:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 13:28:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 13:28:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 13:28:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 13:28:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 13:28:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 13:28:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 13:28:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 13:28:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 13:28:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 13:28:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 13:28:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:28:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 13:28:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 13:28:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 13:28:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 13:28:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 13:28:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 13:28:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 13:28:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 13:28:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 13:28:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 13:28:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 13:28:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 13:28:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 13:28:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 13:28:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 13:28:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 13:28:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 13:28:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 13:28:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 13:28:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 13:28:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 13:28:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 13:28:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 13:28:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 13:28:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 13:28:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 13:28:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 13:28:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 13:28:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 13:28:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-18 13:28:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2018-11-18 13:28:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:28:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 13:28:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2018-11-18 13:28:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 13:28:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2018-11-18 13:28:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:28:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2018-11-18 13:28:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2018-11-18 13:28:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2018-11-18 13:28:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2018-11-18 13:28:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2018-11-18 13:28:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:28:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:28:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:29:00,283 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:29:00,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:29:00 BoogieIcfgContainer [2018-11-18 13:29:00,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:29:00,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:29:00,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:29:00,286 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:29:00,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:28:59" (1/3) ... [2018-11-18 13:29:00,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d8a64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:29:00, skipping insertion in model container [2018-11-18 13:29:00,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:28:59" (2/3) ... [2018-11-18 13:29:00,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d8a64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:29:00, skipping insertion in model container [2018-11-18 13:29:00,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:29:00" (3/3) ... [2018-11-18 13:29:00,288 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i [2018-11-18 13:29:00,294 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:29:00,299 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:29:00,310 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:29:00,332 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:29:00,332 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:29:00,332 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:29:00,332 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:29:00,333 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:29:00,333 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:29:00,333 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:29:00,333 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:29:00,333 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:29:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-11-18 13:29:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:29:00,349 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:29:00,350 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 13:29:00,352 INFO L423 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:29:00,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:00,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1686873154, now seen corresponding path program 1 times [2018-11-18 13:29:00,360 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 13:29:00,360 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 13:29:00,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:00,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:29:00,452 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 13:29:00,452 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:29:00,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:29:00,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:29:00,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:29:00,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:29:00,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:29:00,467 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-11-18 13:29:00,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:29:00,499 INFO L93 Difference]: Finished difference Result 256 states and 398 transitions. [2018-11-18 13:29:00,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:29:00,500 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-11-18 13:29:00,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:29:00,507 INFO L225 Difference]: With dead ends: 256 [2018-11-18 13:29:00,508 INFO L226 Difference]: Without dead ends: 123 [2018-11-18 13:29:00,511 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 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 13:29:00,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-18 13:29:00,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-18 13:29:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-18 13:29:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-11-18 13:29:00,545 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 25 [2018-11-18 13:29:00,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:29:00,545 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-11-18 13:29:00,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:29:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-11-18 13:29:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 13:29:00,547 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:29:00,547 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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 13:29:00,547 INFO L423 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:29:00,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:29:00,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1516720109, now seen corresponding path program 1 times [2018-11-18 13:29:00,548 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 13:29:00,548 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 13:29:00,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:00,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:29:00,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 13:29:00,839 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:00,848 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:00,848 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-11-18 13:29:02,932 WARN L854 $PredicateComparison]: unable to prove that (exists ((chain_node_~node~0.base (_ BitVec 32))) (and (= (select |c_old(#valid)| chain_node_~node~0.base) (_ bv0 1)) (= |c_#valid| (store |c_old(#valid)| chain_node_~node~0.base (_ bv1 1))))) is different from true [2018-11-18 13:29:02,948 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:02,949 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:02,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 13:29:02,951 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:02,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 13:29:02,970 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:25 [2018-11-18 13:29:03,170 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 13:29:03,175 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 13:29:03,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:03,299 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 13:29:03,300 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:03,425 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 13:29:03,431 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 13:29:03,431 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:03,440 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:03,541 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 13:29:03,568 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 13:29:03,569 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 13:29:03,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 19 treesize of output 22 [2018-11-18 13:29:03,643 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:03,663 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 13:29:03,683 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 13:29:03,691 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 13:29:03,691 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:51, output treesize:28 [2018-11-18 13:29:03,726 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:03,728 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:03,728 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:03,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 56 [2018-11-18 13:29:03,730 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:03,762 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 13:29:03,763 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:60 [2018-11-18 13:29:03,871 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 49 treesize of output 53 [2018-11-18 13:29:03,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2018-11-18 13:29:03,878 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:03,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:03,958 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 13:29:03,958 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:65 [2018-11-18 13:29:06,269 WARN L854 $PredicateComparison]: unable to prove that (exists ((chain_node_~node~0.base (_ BitVec 32))) (and (not (= chain_node_~node~0.base (_ bv0 32))) (= (select |c_old(#valid)| chain_node_~node~0.base) (_ bv0 1)) (= (let ((.cse0 (store |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base (let ((.cse1 (store (store (select |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base) (_ bv0 32) (_ bv0 32)) (_ bv4 32) (_ bv0 32)))) (store .cse1 (_ bv0 32) (select (select (store |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base .cse1) |c_chain_node_#in~ppnode.base|) |c_chain_node_#in~ppnode.offset|)))))) (store .cse0 |c_chain_node_#in~ppnode.base| (store (select .cse0 |c_chain_node_#in~ppnode.base|) |c_chain_node_#in~ppnode.offset| chain_node_~node~0.base))) |c_#memory_$Pointer$.base|))) is different from true [2018-11-18 13:29:06,557 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2018-11-18 13:29:06,565 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:06,565 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:06,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2018-11-18 13:29:06,567 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:06,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 92 [2018-11-18 13:29:06,729 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 81 treesize of output 83 [2018-11-18 13:29:06,734 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 13:29:06,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 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 13:29:06,740 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:06,754 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:06,784 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:07,065 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:07,091 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 74 treesize of output 88 [2018-11-18 13:29:07,098 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:07,104 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:07,119 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 84 treesize of output 104 [2018-11-18 13:29:07,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 92 [2018-11-18 13:29:07,126 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:07,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 68 [2018-11-18 13:29:07,212 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:07,290 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 13:29:07,402 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 70 treesize of output 72 [2018-11-18 13:29:07,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-18 13:29:07,409 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:07,442 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:07,564 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 13:29:07,957 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:07,963 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:07,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 90 [2018-11-18 13:29:07,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 78 [2018-11-18 13:29:08,000 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:08,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 65 [2018-11-18 13:29:08,116 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-18 13:29:08,176 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 13:29:08,478 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:08,479 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:08,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 74 [2018-11-18 13:29:08,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 59 [2018-11-18 13:29:08,484 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:08,503 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:08,509 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:08,510 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:08,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 68 [2018-11-18 13:29:08,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 48 [2018-11-18 13:29:08,516 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:08,534 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:08,727 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 13:29:08,810 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 13:29:08,811 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 5 variables, input treesize:140, output treesize:173 [2018-11-18 13:29:09,115 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:09,117 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:09,118 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:09,121 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:09,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 75 [2018-11-18 13:29:09,140 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 73 [2018-11-18 13:29:09,141 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 13:29:09,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2018-11-18 13:29:09,206 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:09,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2018-11-18 13:29:09,237 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:09,255 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:09,290 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:09,291 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:09,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2018-11-18 13:29:09,335 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 37 [2018-11-18 13:29:09,336 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:09,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-11-18 13:29:09,347 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:09,351 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:09,362 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:09,363 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:138, output treesize:4 [2018-11-18 13:29:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 6 not checked. [2018-11-18 13:29:09,488 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:29:10,116 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-11-18 13:29:10,266 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-11-18 13:29:10,933 WARN L180 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-11-18 13:29:11,289 WARN L180 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-11-18 13:29:11,697 WARN L180 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-11-18 13:29:12,091 WARN L180 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-11-18 13:29:12,202 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-18 13:29:12,210 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,210 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 37 treesize of output 42 [2018-11-18 13:29:12,245 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,245 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,245 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,246 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 44 [2018-11-18 13:29:12,280 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,281 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,281 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,281 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,282 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-11-18 13:29:12,283 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:12,363 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:12,431 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:12,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 650 treesize of output 283 [2018-11-18 13:29:12,600 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 13 treesize of output 12 [2018-11-18 13:29:12,600 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:12,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 161 [2018-11-18 13:29:12,696 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 20 treesize of output 8 [2018-11-18 13:29:12,697 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:12,743 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 95 [2018-11-18 13:29:12,897 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2018-11-18 13:29:12,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 9 treesize of output 8 [2018-11-18 13:29:12,901 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:12,920 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,922 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:12,931 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:12,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 76 [2018-11-18 13:29:13,011 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:13,016 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:13,041 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 63 [2018-11-18 13:29:13,047 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:13,047 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 0 case distinctions, treesize of input 37 treesize of output 36 [2018-11-18 13:29:13,059 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:13,060 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 26 treesize of output 35 [2018-11-18 13:29:13,060 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,074 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,093 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-11-18 13:29:13,118 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:13,118 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:29:13,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2018-11-18 13:29:13,119 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,129 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 6 treesize of output 1 [2018-11-18 13:29:13,130 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,133 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,139 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,145 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,152 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,157 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,175 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 8 variables, input treesize:693, output treesize:4 [2018-11-18 13:29:13,552 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-11-18 13:29:13,854 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:29:13,854 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_845967cd-16f6-4d8b-88af-eda47a3c0373/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:29:13,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:29:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:29:13,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:29:13,936 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 9 treesize of output 12 [2018-11-18 13:29:13,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 13:29:13,950 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,982 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:13,994 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:14 [2018-11-18 13:29:14,356 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 13:29:14,359 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 13:29:14,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:14,500 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 13:29:14,500 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:14,632 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 13:29:14,637 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 13:29:14,637 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:14,641 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:14,729 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 23 treesize of output 33 [2018-11-18 13:29:14,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-11-18 13:29:14,732 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:14,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 13:29:14,785 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-18 13:29:14,806 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 13:29:14,829 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 13:29:14,833 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 13:29:14,833 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:40, output treesize:8 [2018-11-18 13:29:14,978 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 24 treesize of output 34 [2018-11-18 13:29:14,982 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 20 treesize of output 22 [2018-11-18 13:29:14,983 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:15,009 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 21 treesize of output 20 [2018-11-18 13:29:15,009 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:15,020 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:15,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:15,028 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-11-18 13:29:17,496 WARN L854 $PredicateComparison]: unable to prove that (exists ((chain_node_~node~0.base (_ BitVec 32))) (= (let ((.cse0 (store |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base (let ((.cse1 (store (store (select |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base) (_ bv0 32) (_ bv0 32)) (_ bv4 32) (_ bv0 32)))) (store .cse1 (_ bv0 32) (select (select (store |c_old(#memory_$Pointer$.base)| chain_node_~node~0.base .cse1) |c_chain_node_#in~ppnode.base|) |c_chain_node_#in~ppnode.offset|)))))) (store .cse0 |c_chain_node_#in~ppnode.base| (store (select .cse0 |c_chain_node_#in~ppnode.base|) |c_chain_node_#in~ppnode.offset| chain_node_~node~0.base))) |c_#memory_$Pointer$.base|)) is different from true [2018-11-18 13:29:17,963 WARN L180 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2018-11-18 13:29:18,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 68 [2018-11-18 13:29:18,057 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:18,079 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 54 treesize of output 60 [2018-11-18 13:29:18,083 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 50 treesize of output 52 [2018-11-18 13:29:18,086 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 13:29:18,086 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:18,105 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:18,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:18,188 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:18,204 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 56 treesize of output 76 [2018-11-18 13:29:18,208 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 72 treesize of output 64 [2018-11-18 13:29:18,208 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:18,281 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 52 treesize of output 48 [2018-11-18 13:29:18,282 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:18,335 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 13:29:18,406 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 13:29:18,843 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 57 treesize of output 59 [2018-11-18 13:29:18,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-11-18 13:29:18,849 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 13:29:18,850 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:18,857 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:18,878 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:19,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 63 [2018-11-18 13:29:19,300 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 52 treesize of output 46 [2018-11-18 13:29:19,300 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:19,407 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 45 treesize of output 45 [2018-11-18 13:29:19,408 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-18 13:29:19,465 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 13:29:19,725 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 47 [2018-11-18 13:29:19,731 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 33 treesize of output 27 [2018-11-18 13:29:19,731 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:19,745 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:19,755 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2018-11-18 13:29:19,759 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 24 treesize of output 16 [2018-11-18 13:29:19,759 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:19,772 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:19,908 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 13:29:20,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 98 [2018-11-18 13:29:20,051 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 85 treesize of output 84 [2018-11-18 13:29:20,752 WARN L180 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2018-11-18 13:29:20,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 76 [2018-11-18 13:29:20,756 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:21,004 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:21,008 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:21,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 96 [2018-11-18 13:29:21,009 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:21,016 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:21,017 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 78 treesize of output 80 [2018-11-18 13:29:21,017 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:21,219 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 13:29:22,946 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 80 [2018-11-18 13:29:28,927 WARN L180 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2018-11-18 13:29:28,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 74 [2018-11-18 13:29:28,958 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-11-18 13:29:29,002 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 91 [2018-11-18 13:29:29,002 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-11-18 13:29:32,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 72 [2018-11-18 13:29:32,670 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:32,674 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 59 [2018-11-18 13:29:32,674 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:34,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 79 [2018-11-18 13:29:34,509 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-11-18 13:29:35,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 63 [2018-11-18 13:29:35,361 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:35,763 INFO L267 ElimStorePlain]: Start of recursive call 24: 4 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-18 13:29:38,905 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:38,921 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 94 [2018-11-18 13:29:38,921 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:40,562 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:40,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2018-11-18 13:29:40,578 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:42,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 61 [2018-11-18 13:29:42,218 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:42,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 56 [2018-11-18 13:29:42,223 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:42,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 56 [2018-11-18 13:29:42,228 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:42,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-11-18 13:29:42,234 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:42,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 69 [2018-11-18 13:29:42,246 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:42,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 61 [2018-11-18 13:29:42,252 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:42,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-11-18 13:29:42,259 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:42,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 61 [2018-11-18 13:29:42,274 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:42,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 57 [2018-11-18 13:29:42,284 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2018-11-18 13:29:43,262 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:43,263 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 0 case distinctions, treesize of input 24 treesize of output 25 [2018-11-18 13:29:43,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-11-18 13:29:43,268 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,273 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,283 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2018-11-18 13:29:43,289 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 0 case distinctions, treesize of input 30 treesize of output 35 [2018-11-18 13:29:43,295 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 0 case distinctions, treesize of input 27 treesize of output 34 [2018-11-18 13:29:43,295 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,305 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,320 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2018-11-18 13:29:43,325 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 0 case distinctions, treesize of input 30 treesize of output 40 [2018-11-18 13:29:43,331 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 25 treesize of output 35 [2018-11-18 13:29:43,331 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,341 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,355 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2018-11-18 13:29:43,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2018-11-18 13:29:43,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2018-11-18 13:29:43,367 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,374 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,385 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2018-11-18 13:29:43,389 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 0 case distinctions, treesize of input 24 treesize of output 26 [2018-11-18 13:29:43,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2018-11-18 13:29:43,393 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,399 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,409 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2018-11-18 13:29:43,413 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:43,413 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 0 case distinctions, treesize of input 24 treesize of output 25 [2018-11-18 13:29:43,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-11-18 13:29:43,418 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,423 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,434 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2018-11-18 13:29:43,442 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:43,442 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 0 case distinctions, treesize of input 30 treesize of output 39 [2018-11-18 13:29:43,449 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 27 treesize of output 35 [2018-11-18 13:29:43,450 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,460 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,474 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 43 [2018-11-18 13:29:43,486 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 50 [2018-11-18 13:29:43,511 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 56 [2018-11-18 13:29:43,512 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 2 xjuncts. [2018-11-18 13:29:43,559 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 13:29:43,599 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 13:29:43,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2018-11-18 13:29:43,604 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 0 case distinctions, treesize of input 30 treesize of output 35 [2018-11-18 13:29:43,612 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 0 case distinctions, treesize of input 27 treesize of output 34 [2018-11-18 13:29:43,613 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,622 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:43,637 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:44,568 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:44,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2018-11-18 13:29:44,591 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 52 treesize of output 57 [2018-11-18 13:29:44,591 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-18 13:29:44,627 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:29:44,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 50 [2018-11-18 13:29:44,652 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 13:29:44,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2018-11-18 13:29:44,660 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 0 case distinctions, treesize of input 22 treesize of output 21 [2018-11-18 13:29:44,865 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:29:44,866 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_38 term size 11 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 13:29:44,873 INFO L168 Benchmark]: Toolchain (without parser) took 45568.96 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.0 MB). Free memory was 944.4 MB in the beginning and 844.1 MB in the end (delta: 100.3 MB). Peak memory consumption was 423.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:44,875 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:29:44,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.80 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 912.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:44,876 INFO L168 Benchmark]: Boogie Preprocessor took 82.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 912.2 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:44,877 INFO L168 Benchmark]: RCFGBuilder took 548.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:44,877 INFO L168 Benchmark]: TraceAbstraction took 44587.25 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 844.1 MB in the end (delta: 192.9 MB). Peak memory consumption was 401.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:44,882 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.80 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 912.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 912.2 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 548.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 44587.25 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 844.1 MB in the end (delta: 192.9 MB). Peak memory consumption was 401.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_38 term size 11 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_38 term size 11: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...