./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6cbc2f8335eda1137ed277d7eb74d7775ef6f777 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:32:31,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:32:31,316 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:32:31,323 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:32:31,323 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:32:31,324 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:32:31,325 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:32:31,326 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:32:31,327 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:32:31,327 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:32:31,328 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:32:31,328 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:32:31,329 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:32:31,329 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:32:31,330 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:32:31,331 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:32:31,331 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:32:31,332 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:32:31,334 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:32:31,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:32:31,335 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:32:31,336 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:32:31,338 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:32:31,338 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:32:31,338 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:32:31,339 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:32:31,339 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:32:31,340 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:32:31,340 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:32:31,340 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:32:31,341 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:32:31,341 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:32:31,341 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:32:31,341 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:32:31,341 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:32:31,342 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:32:31,342 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 13:32:31,352 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:32:31,352 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:32:31,353 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:32:31,353 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:32:31,353 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:32:31,353 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:32:31,353 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:32:31,354 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:32:31,354 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:32:31,354 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:32:31,354 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:32:31,354 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:32:31,354 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:32:31,354 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 13:32:31,355 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 13:32:31,355 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 13:32:31,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:32:31,355 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:32:31,355 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:32:31,355 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:32:31,355 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:32:31,355 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:32:31,356 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:32:31,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:32:31,356 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:32:31,356 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:32:31,356 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:32:31,356 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:32:31,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 6cbc2f8335eda1137ed277d7eb74d7775ef6f777 [2018-11-28 13:32:31,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:32:31,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:32:31,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:32:31,390 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:32:31,391 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:32:31,391 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1_true-valid-memsafety_true-termination.i [2018-11-28 13:32:31,426 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/data/48c84c968/f11e82484f2948ad8fe6d79fef321f13/FLAG246f71d6d [2018-11-28 13:32:31,731 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:32:31,731 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1_true-valid-memsafety_true-termination.i [2018-11-28 13:32:31,735 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/data/48c84c968/f11e82484f2948ad8fe6d79fef321f13/FLAG246f71d6d [2018-11-28 13:32:31,745 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/data/48c84c968/f11e82484f2948ad8fe6d79fef321f13 [2018-11-28 13:32:31,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:32:31,749 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 13:32:31,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:32:31,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:32:31,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:32:31,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:32:31" (1/1) ... [2018-11-28 13:32:31,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a6e677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31, skipping insertion in model container [2018-11-28 13:32:31,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:32:31" (1/1) ... [2018-11-28 13:32:31,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:32:31,768 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:32:31,867 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:32:31,877 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:32:31,888 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:32:31,901 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:32:31,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31 WrapperNode [2018-11-28 13:32:31,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:32:31,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:32:31,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:32:31,902 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:32:31,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31" (1/1) ... [2018-11-28 13:32:31,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31" (1/1) ... [2018-11-28 13:32:31,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31" (1/1) ... [2018-11-28 13:32:31,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31" (1/1) ... [2018-11-28 13:32:31,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31" (1/1) ... [2018-11-28 13:32:31,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31" (1/1) ... [2018-11-28 13:32:31,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31" (1/1) ... [2018-11-28 13:32:31,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:32:31,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:32:31,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:32:31,961 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:32:31,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/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 [2018-11-28 13:32:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:32:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:32:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:32:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 13:32:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 13:32:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 13:32:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 13:32:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 13:32:32,201 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 13:32:32,236 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:32:32,237 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 13:32:32,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:32 BoogieIcfgContainer [2018-11-28 13:32:32,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:32:32,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:32:32,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:32:32,240 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:32:32,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:32:31" (1/3) ... [2018-11-28 13:32:32,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f8768d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:32:32, skipping insertion in model container [2018-11-28 13:32:32,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:31" (2/3) ... [2018-11-28 13:32:32,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f8768d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:32:32, skipping insertion in model container [2018-11-28 13:32:32,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:32" (3/3) ... [2018-11-28 13:32:32,243 INFO L112 eAbstractionObserver]: Analyzing ICFG test-bitfields-2.1_true-valid-memsafety_true-termination.i [2018-11-28 13:32:32,250 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:32:32,255 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 33 error locations. [2018-11-28 13:32:32,265 INFO L257 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2018-11-28 13:32:32,280 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:32:32,281 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:32:32,281 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 13:32:32,281 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:32:32,281 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:32:32,281 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:32:32,281 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:32:32,282 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:32:32,282 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:32:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2018-11-28 13:32:32,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 13:32:32,300 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:32,300 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:32,302 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:32:32,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:32,305 INFO L82 PathProgramCache]: Analyzing trace with hash 590501065, now seen corresponding path program 1 times [2018-11-28 13:32:32,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:32,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:32,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:32,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:32,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:32:32,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:32,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:32:32,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:32:32,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:32:32,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:32:32,448 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2018-11-28 13:32:32,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:32,561 INFO L93 Difference]: Finished difference Result 96 states and 104 transitions. [2018-11-28 13:32:32,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:32:32,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-28 13:32:32,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:32,569 INFO L225 Difference]: With dead ends: 96 [2018-11-28 13:32:32,570 INFO L226 Difference]: Without dead ends: 93 [2018-11-28 13:32:32,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:32:32,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-28 13:32:32,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 65. [2018-11-28 13:32:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 13:32:32,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-11-28 13:32:32,597 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 7 [2018-11-28 13:32:32,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:32,598 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2018-11-28 13:32:32,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:32:32,598 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2018-11-28 13:32:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 13:32:32,598 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:32,598 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:32,599 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:32:32,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:32,599 INFO L82 PathProgramCache]: Analyzing trace with hash 590501066, now seen corresponding path program 1 times [2018-11-28 13:32:32,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:32,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:32,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:32,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:32,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:32:32,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:32,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:32:32,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:32:32,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:32:32,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:32:32,669 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 4 states. [2018-11-28 13:32:32,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:32,743 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2018-11-28 13:32:32,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:32:32,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2018-11-28 13:32:32,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:32,744 INFO L225 Difference]: With dead ends: 87 [2018-11-28 13:32:32,744 INFO L226 Difference]: Without dead ends: 87 [2018-11-28 13:32:32,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:32:32,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-28 13:32:32,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 59. [2018-11-28 13:32:32,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-28 13:32:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2018-11-28 13:32:32,750 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 7 [2018-11-28 13:32:32,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:32,750 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2018-11-28 13:32:32,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:32:32,750 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2018-11-28 13:32:32,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 13:32:32,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:32,751 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:32,751 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:32:32,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:32,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1197007869, now seen corresponding path program 1 times [2018-11-28 13:32:32,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:32,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:32,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:32,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:32,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:32:32,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:32,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:32:32,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:32:32,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:32:32,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:32:32,781 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand 3 states. [2018-11-28 13:32:32,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:32,828 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2018-11-28 13:32:32,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:32:32,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-28 13:32:32,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:32,830 INFO L225 Difference]: With dead ends: 62 [2018-11-28 13:32:32,830 INFO L226 Difference]: Without dead ends: 62 [2018-11-28 13:32:32,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:32:32,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-28 13:32:32,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2018-11-28 13:32:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-28 13:32:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2018-11-28 13:32:32,835 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 12 [2018-11-28 13:32:32,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:32,835 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2018-11-28 13:32:32,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:32:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2018-11-28 13:32:32,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 13:32:32,836 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:32,836 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:32,836 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:32:32,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:32,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1197007867, now seen corresponding path program 1 times [2018-11-28 13:32:32,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:32,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:32,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:32,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:32,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:32:32,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:32,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:32:32,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:32:32,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:32:32,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:32:32,892 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 3 states. [2018-11-28 13:32:32,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:32,929 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2018-11-28 13:32:32,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:32:32,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-28 13:32:32,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:32,930 INFO L225 Difference]: With dead ends: 39 [2018-11-28 13:32:32,930 INFO L226 Difference]: Without dead ends: 39 [2018-11-28 13:32:32,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:32:32,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-28 13:32:32,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-11-28 13:32:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-28 13:32:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-11-28 13:32:32,933 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 12 [2018-11-28 13:32:32,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:32,933 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-11-28 13:32:32,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:32:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-11-28 13:32:32,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 13:32:32,934 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:32,934 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:32,935 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:32:32,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:32,935 INFO L82 PathProgramCache]: Analyzing trace with hash -114317204, now seen corresponding path program 1 times [2018-11-28 13:32:32,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:32,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:32,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:32,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:32,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:32:32,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:32,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:32:32,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:32:32,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:32:32,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:32:32,984 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 4 states. [2018-11-28 13:32:33,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:33,003 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2018-11-28 13:32:33,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:32:33,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-11-28 13:32:33,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:33,004 INFO L225 Difference]: With dead ends: 43 [2018-11-28 13:32:33,004 INFO L226 Difference]: Without dead ends: 40 [2018-11-28 13:32:33,004 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:32:33,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-28 13:32:33,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-28 13:32:33,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 13:32:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-11-28 13:32:33,007 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 24 [2018-11-28 13:32:33,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:33,007 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-11-28 13:32:33,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:32:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-11-28 13:32:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 13:32:33,007 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:33,007 INFO L402 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] [2018-11-28 13:32:33,008 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:32:33,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:33,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1674376499, now seen corresponding path program 1 times [2018-11-28 13:32:33,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:33,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:33,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:33,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:33,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:32:33,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:33,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:32:33,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:32:33,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:32:33,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:32:33,056 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 4 states. [2018-11-28 13:32:33,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:33,070 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2018-11-28 13:32:33,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:32:33,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-11-28 13:32:33,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:33,071 INFO L225 Difference]: With dead ends: 43 [2018-11-28 13:32:33,071 INFO L226 Difference]: Without dead ends: 41 [2018-11-28 13:32:33,071 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:32:33,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-28 13:32:33,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-28 13:32:33,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-28 13:32:33,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-11-28 13:32:33,073 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 25 [2018-11-28 13:32:33,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:33,074 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-11-28 13:32:33,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:32:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-11-28 13:32:33,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 13:32:33,076 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:33,076 INFO L402 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, 1] [2018-11-28 13:32:33,077 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:32:33,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:33,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1204317002, now seen corresponding path program 1 times [2018-11-28 13:32:33,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:33,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:33,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:33,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:33,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:32:33,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:32:33,135 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/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 [2018-11-28 13:32:33,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:33,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:32:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:32:33,260 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:32:33,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-28 13:32:33,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:32:33,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:32:33,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:32:33,261 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 8 states. [2018-11-28 13:32:33,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:33,311 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2018-11-28 13:32:33,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:32:33,311 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-11-28 13:32:33,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:33,312 INFO L225 Difference]: With dead ends: 46 [2018-11-28 13:32:33,312 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 13:32:33,312 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:32:33,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 13:32:33,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-28 13:32:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 13:32:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-11-28 13:32:33,315 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 26 [2018-11-28 13:32:33,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:33,315 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-11-28 13:32:33,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:32:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-11-28 13:32:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-28 13:32:33,316 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:33,316 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:33,316 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:32:33,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:33,317 INFO L82 PathProgramCache]: Analyzing trace with hash -2142920111, now seen corresponding path program 2 times [2018-11-28 13:32:33,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:33,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:33,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:33,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:33,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:32:33,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:32:33,378 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:32:33,387 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 13:32:33,410 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 13:32:33,410 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 13:32:33,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:32:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:32:33,449 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:32:33,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-11-28 13:32:33,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:32:33,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:32:33,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:32:33,450 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 10 states. [2018-11-28 13:32:33,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:33,496 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-11-28 13:32:33,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:32:33,497 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-11-28 13:32:33,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:33,497 INFO L225 Difference]: With dead ends: 47 [2018-11-28 13:32:33,497 INFO L226 Difference]: Without dead ends: 43 [2018-11-28 13:32:33,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:32:33,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-28 13:32:33,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-28 13:32:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-28 13:32:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-11-28 13:32:33,501 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 27 [2018-11-28 13:32:33,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:33,501 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-11-28 13:32:33,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:32:33,501 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-11-28 13:32:33,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-28 13:32:33,502 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:33,502 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 13:32:33,502 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:32:33,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:33,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1466911786, now seen corresponding path program 3 times [2018-11-28 13:32:33,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:33,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:33,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:33,504 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:32:33,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:32:34,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:32:34,008 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/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 [2018-11-28 13:32:34,025 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-28 13:32:34,054 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-28 13:32:34,055 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 13:32:34,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:32:34,088 INFO L478 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 11 treesize of output 8 [2018-11-28 13:32:34,090 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-28 13:32:34,090 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,092 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,095 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-11-28 13:32:34,109 INFO L478 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 21 treesize of output 16 [2018-11-28 13:32:34,111 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,112 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,112 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 31 [2018-11-28 13:32:34,113 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,116 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,119 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2018-11-28 13:32:34,148 INFO L478 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 30 treesize of output 23 [2018-11-28 13:32:34,150 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,151 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,151 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,152 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,153 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,153 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,154 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 78 [2018-11-28 13:32:34,155 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,163 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,167 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2018-11-28 13:32:34,186 INFO L478 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 39 treesize of output 30 [2018-11-28 13:32:34,188 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,190 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,191 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,191 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,192 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,193 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,194 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,194 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,195 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,196 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,196 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,197 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,198 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 149 [2018-11-28 13:32:34,199 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,216 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,221 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,221 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:38 [2018-11-28 13:32:34,241 INFO L478 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 48 treesize of output 37 [2018-11-28 13:32:34,244 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,244 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,245 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,245 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,246 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,246 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,247 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,247 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,248 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,248 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,249 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,249 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,250 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,250 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,251 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,251 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,252 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,252 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,253 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,253 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,254 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 244 [2018-11-28 13:32:34,255 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,287 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,292 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:47 [2018-11-28 13:32:34,318 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2018-11-28 13:32:34,321 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,321 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,322 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,322 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,323 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,323 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,324 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,324 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,325 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,325 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,326 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,327 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,327 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,327 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,328 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,328 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,329 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,330 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,330 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,331 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:34,331 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 73 [2018-11-28 13:32:34,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,333 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,335 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:34,335 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:7 [2018-11-28 13:32:38,580 WARN L180 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 13:32:45,443 WARN L180 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-28 13:32:53,644 WARN L180 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-28 13:32:53,668 INFO L478 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 61 treesize of output 63 [2018-11-28 13:32:53,672 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 64 [2018-11-28 13:32:53,675 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:53,677 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 33 [2018-11-28 13:32:53,679 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:53,682 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:53,686 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:53,691 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 50 [2018-11-28 13:32:53,691 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:53,698 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:53,707 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:53,755 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:53,756 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:53,757 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:53,757 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:53,783 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 65 [2018-11-28 13:32:53,790 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-28 13:32:53,790 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:54,046 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,048 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,049 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,050 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,052 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,054 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,056 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,057 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,058 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,073 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 133 [2018-11-28 13:32:54,079 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,080 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,081 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,081 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,082 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,083 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,086 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,087 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,105 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 121 treesize of output 154 [2018-11-28 13:32:54,107 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-11-28 13:32:54,394 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,395 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,397 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,397 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,398 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,400 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,401 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,406 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,412 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,413 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,414 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,440 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 24 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 12 case distinctions, treesize of input 51 treesize of output 156 [2018-11-28 13:32:54,448 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 32 xjuncts. [2018-11-28 13:32:54,750 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,750 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,751 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,752 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,752 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,753 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,754 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,754 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,758 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,776 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,777 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,778 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:54,797 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 51 treesize of output 154 [2018-11-28 13:32:54,800 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 16 xjuncts. [2018-11-28 13:32:55,044 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 15 xjuncts. [2018-11-28 13:32:55,282 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,283 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,283 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,284 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,285 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,285 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,286 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,286 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:32:55,287 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,288 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,290 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,293 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 111 [2018-11-28 13:32:55,297 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,298 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,302 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,303 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,304 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,305 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,307 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,325 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 18 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 60 treesize of output 123 [2018-11-28 13:32:55,326 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 4 xjuncts. [2018-11-28 13:32:55,393 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-28 13:32:55,890 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,890 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,891 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,892 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,892 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,893 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,894 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 95 [2018-11-28 13:32:55,912 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,913 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,913 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,914 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,922 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,930 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,931 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,931 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,932 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,933 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,934 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:55,945 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 138 [2018-11-28 13:32:55,945 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:55,971 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:56,223 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,226 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,227 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,227 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:32:56,228 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,229 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,229 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,233 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 107 [2018-11-28 13:32:56,239 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,242 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,243 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,244 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,245 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,245 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,246 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,247 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,248 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,256 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 139 [2018-11-28 13:32:56,257 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:56,284 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:56,737 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,738 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,738 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,739 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,739 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:32:56,740 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,741 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,742 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,745 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 107 [2018-11-28 13:32:56,748 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,749 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,750 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,750 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,751 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,752 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,753 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,754 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:56,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 131 [2018-11-28 13:32:56,765 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-28 13:32:56,828 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:32:58,382 INFO L267 ElimStorePlain]: Start of recursive call 6: 16 dim-1 vars, End of recursive call: and 22 xjuncts. [2018-11-28 13:32:58,621 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 22 xjuncts. [2018-11-28 13:32:58,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 22 xjuncts. [2018-11-28 13:32:58,861 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 5 variables, input treesize:64, output treesize:785 [2018-11-28 13:32:59,162 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2018-11-28 13:32:59,179 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-28 13:32:59,179 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,315 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2018-11-28 13:32:59,318 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,318 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,319 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,319 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,320 INFO L478 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 26 treesize of output 20 [2018-11-28 13:32:59,320 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,327 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,452 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2018-11-28 13:32:59,454 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,455 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,456 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-11-28 13:32:59,456 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,461 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,651 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-11-28 13:32:59,653 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,654 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,655 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-11-28 13:32:59,655 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,661 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,701 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2018-11-28 13:32:59,703 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,703 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-11-28 13:32:59,704 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,708 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,742 INFO L478 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 49 [2018-11-28 13:32:59,745 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,746 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,747 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,747 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,748 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 24 [2018-11-28 13:32:59,748 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,769 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2018-11-28 13:32:59,769 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,783 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,787 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,787 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,788 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,788 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,789 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 27 [2018-11-28 13:32:59,789 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,799 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:32:59,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-11-28 13:32:59,893 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,893 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,894 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:32:59,894 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-11-28 13:32:59,894 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,899 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 18 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:32:59,911 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 19 variables, input treesize:784, output treesize:7 [2018-11-28 13:32:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 1 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:32:59,954 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:32:59,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 28 [2018-11-28 13:32:59,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-28 13:32:59,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-28 13:32:59,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=628, Unknown=33, NotChecked=0, Total=756 [2018-11-28 13:32:59,955 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 28 states. [2018-11-28 13:33:44,406 WARN L180 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2018-11-28 13:33:51,232 WARN L180 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2018-11-28 13:34:08,809 WARN L180 SmtUtils]: Spent 6.59 s on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2018-11-28 13:34:59,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:34:59,109 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2018-11-28 13:34:59,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 13:34:59,109 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 28 [2018-11-28 13:34:59,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:34:59,110 INFO L225 Difference]: With dead ends: 63 [2018-11-28 13:34:59,110 INFO L226 Difference]: Without dead ends: 63 [2018-11-28 13:34:59,110 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 15 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 63.4s TimeCoverageRelationStatistics Valid=307, Invalid=1864, Unknown=85, NotChecked=0, Total=2256 [2018-11-28 13:34:59,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-28 13:34:59,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 39. [2018-11-28 13:34:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-28 13:34:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-11-28 13:34:59,113 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 28 [2018-11-28 13:34:59,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:34:59,113 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-11-28 13:34:59,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-28 13:34:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-11-28 13:34:59,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 13:34:59,114 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:34:59,114 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 13:34:59,114 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:34:59,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:34:59,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1130544588, now seen corresponding path program 1 times [2018-11-28 13:34:59,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:34:59,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:34:59,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:34:59,115 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:34:59,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:34:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:34:59,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:34:59,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:34:59,368 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:34:59,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:34:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:34:59,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:34:59,415 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-28 13:34:59,418 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,427 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-11-28 13:34:59,427 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-28 13:34:59,440 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:34:59,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:34:59,451 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:27 [2018-11-28 13:34:59,490 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,490 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,491 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-11-28 13:34:59,491 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,501 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,503 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,503 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,504 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 12 [2018-11-28 13:34:59,504 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,510 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,510 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:8 [2018-11-28 13:34:59,529 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-28 13:34:59,531 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-28 13:34:59,531 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,532 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,535 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,535 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-11-28 13:34:59,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-11-28 13:34:59,552 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,553 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,553 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 37 [2018-11-28 13:34:59,553 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,557 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,560 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,560 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-11-28 13:34:59,577 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2018-11-28 13:34:59,579 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,579 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,580 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,581 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,581 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,582 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,582 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 88 [2018-11-28 13:34:59,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,591 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,596 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:35 [2018-11-28 13:34:59,615 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2018-11-28 13:34:59,617 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,618 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,619 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,619 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,620 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,620 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,621 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,622 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,622 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,623 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,623 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,624 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,624 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 163 [2018-11-28 13:34:59,625 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,638 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,643 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,643 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2018-11-28 13:34:59,664 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-11-28 13:34:59,665 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,667 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,668 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,668 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,669 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,669 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,670 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,670 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,671 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,671 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,672 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,673 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:34:59,673 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 49 [2018-11-28 13:34:59,673 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,674 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,676 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:34:59,676 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:7 [2018-11-28 13:35:00,137 WARN L180 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-28 13:35:00,875 WARN L180 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-28 13:35:04,276 WARN L180 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-28 13:35:04,336 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 65 [2018-11-28 13:35:04,339 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2018-11-28 13:35:04,342 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,347 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2018-11-28 13:35:04,349 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,350 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,354 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,361 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 52 [2018-11-28 13:35:04,361 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:35:04,368 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:35:04,377 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:35:04,390 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:35:04,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-28 13:35:04,409 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:91, output treesize:71 [2018-11-28 13:35:04,449 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 51 [2018-11-28 13:35:04,455 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 16 [2018-11-28 13:35:04,456 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-28 13:35:04,466 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,467 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,468 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,468 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,469 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,470 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,470 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,471 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,471 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,472 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,472 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,473 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,473 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 57 [2018-11-28 13:35:04,474 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 13:35:04,476 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,477 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,477 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,478 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,478 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,479 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,479 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 13:35:04,480 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,480 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,481 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,481 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,482 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,482 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,483 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:35:04,483 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 79 [2018-11-28 13:35:04,484 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 13:35:04,499 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:35:04,507 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-28 13:35:04,508 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:80, output treesize:15 [2018-11-28 13:35:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:35:04,567 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:35:04,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2018-11-28 13:35:04,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-28 13:35:04,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-28 13:35:04,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=722, Unknown=4, NotChecked=0, Total=812 [2018-11-28 13:35:04,568 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 29 states. [2018-11-28 13:35:05,738 WARN L180 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-11-28 13:35:08,117 WARN L180 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-11-28 13:35:10,257 WARN L180 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2018-11-28 13:35:11,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:11,525 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-11-28 13:35:11,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-28 13:35:11,525 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 30 [2018-11-28 13:35:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:11,527 INFO L225 Difference]: With dead ends: 60 [2018-11-28 13:35:11,527 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 13:35:11,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 17 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=339, Invalid=2105, Unknown=6, NotChecked=0, Total=2450 [2018-11-28 13:35:11,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 13:35:11,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 35. [2018-11-28 13:35:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-28 13:35:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-11-28 13:35:11,531 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 30 [2018-11-28 13:35:11,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:11,531 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-11-28 13:35:11,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-28 13:35:11,531 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-11-28 13:35:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 13:35:11,531 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:11,532 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 13:35:11,532 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr20ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2018-11-28 13:35:11,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:11,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1130729579, now seen corresponding path program 1 times [2018-11-28 13:35:11,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:11,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:11,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:11,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:11,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:35:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:35:11,574 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:35:11,587 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == dest.base && #res.offset == dest.offset; is not ensure(true) [2018-11-28 13:35:11,592 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT~~A?a~UCHAR?b~UCHAR?c~UCHAR?d~UCHAR?e~UCHAR# [2018-11-28 13:35:11,592 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 11 could not be translated for associated CType STRUCT~~A?a~UCHAR?b~UCHAR?c~UCHAR?d~UCHAR?e~UCHAR# [2018-11-28 13:35:11,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:35:11 BoogieIcfgContainer [2018-11-28 13:35:11,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:35:11,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:35:11,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:35:11,599 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:35:11,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:32" (3/4) ... [2018-11-28 13:35:11,602 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 13:35:11,603 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == dest.base && #res.offset == dest.offset; is not ensure(true) [2018-11-28 13:35:11,604 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 11 could not be translated for associated CType STRUCT~~A?a~UCHAR?b~UCHAR?c~UCHAR?d~UCHAR?e~UCHAR# [2018-11-28 13:35:11,605 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT~~A?a~UCHAR?b~UCHAR?c~UCHAR?d~UCHAR?e~UCHAR# [2018-11-28 13:35:11,638 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5764cbac-ed40-47c7-a5ed-a704e4c3ad9d/bin-2019/uautomizer/witness.graphml [2018-11-28 13:35:11,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:35:11,639 INFO L168 Benchmark]: Toolchain (without parser) took 159890.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 954.4 MB in the beginning and 906.4 MB in the end (delta: 48.0 MB). Peak memory consumption was 244.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:11,639 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:11,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.33 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:11,640 INFO L168 Benchmark]: Boogie Preprocessor took 58.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:11,640 INFO L168 Benchmark]: RCFGBuilder took 276.47 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:11,640 INFO L168 Benchmark]: TraceAbstraction took 159361.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 913.6 MB in the end (delta: 188.1 MB). Peak memory consumption was 255.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:11,640 INFO L168 Benchmark]: Witness Printer took 39.10 ms. Allocated memory is still 1.2 GB. Free memory was 913.6 MB in the beginning and 906.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:11,642 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.33 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 276.47 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 159361.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 913.6 MB in the end (delta: 188.1 MB). Peak memory consumption was 255.2 MB. Max. memory is 11.5 GB. * Witness Printer took 39.10 ms. Allocated memory is still 1.2 GB. Free memory was 913.6 MB in the beginning and 906.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == dest.base && #res.offset == dest.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == dest.base && #res.offset == dest.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT~~A?a~UCHAR?b~UCHAR?c~UCHAR?d~UCHAR?e~UCHAR# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 11 could not be translated for associated CType STRUCT~~A?a~UCHAR?b~UCHAR?c~UCHAR?d~UCHAR?e~UCHAR# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 11 could not be translated for associated CType STRUCT~~A?a~UCHAR?b~UCHAR?c~UCHAR?d~UCHAR?e~UCHAR# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT~~A?a~UCHAR?b~UCHAR?c~UCHAR?d~UCHAR?e~UCHAR# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 41]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L21] struct A d; VAL [\old(d)=null, \old(d)=null, d={9:0}] [L24] struct A *p; [L25] p = malloc(3) VAL [d={9:0}, malloc(3)={7:0}, p={7:0}] [L26] d.a = 1 VAL [d={9:0}, malloc(3)={7:0}, p={7:0}] [L27] d.b = 2 VAL [d={9:0}, malloc(3)={7:0}, p={7:0}] [L28] d.c = 3 VAL [d={9:0}, malloc(3)={7:0}, p={7:0}] [L29] d.d = 4 VAL [d={9:0}, malloc(3)={7:0}, p={7:0}] [L30] d.e = 5 VAL [d={9:0}, malloc(3)={7:0}, p={7:0}] [L31] FCALL memcpy(p, &d, 3) VAL [d={9:0}, malloc(3)={7:0}, memcpy(p, &d, 3)={7:0}, p={7:0}] [L32] EXPR p->a VAL [d={9:0}, malloc(3)={7:0}, p={7:0}, p->a=1] [L32] COND FALSE !(p->a != 1) [L35] EXPR p->b VAL [d={9:0}, malloc(3)={7:0}, p={7:0}, p->b=2] [L35] COND FALSE !(p->b != 2) [L38] EXPR p->c VAL [d={9:0}, malloc(3)={7:0}, p={7:0}, p->c=3] [L38] COND FALSE !(p->c != 3) [L41] p->d - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 33 error locations. UNSAFE Result, 159.3s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 126.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 303 SDtfs, 622 SDslu, 646 SDs, 0 SdLazy, 1044 SolverSat, 231 SolverUnsat, 121 SolverUnknown, 0 SolverNotchecked, 77.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 91 SyntacticMatches, 8 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1001 ImplicationChecksByTransitivity, 73.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 109 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 32.1s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 295 ConstructedInterpolants, 19 QuantifiedInterpolants, 104214 SizeOfPredicates, 20 NumberOfNonLiveVariables, 618 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 9/41 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...