java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/heap-data/shared_mem1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 03:54:03,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 03:54:03,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 03:54:03,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 03:54:03,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 03:54:03,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 03:54:03,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 03:54:03,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 03:54:03,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 03:54:03,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 03:54:03,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 03:54:03,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 03:54:03,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 03:54:03,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 03:54:03,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 03:54:03,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 03:54:03,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 03:54:03,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 03:54:03,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 03:54:03,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 03:54:03,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 03:54:03,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 03:54:03,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 03:54:03,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 03:54:03,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 03:54:03,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 03:54:03,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 03:54:03,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 03:54:03,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 03:54:03,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 03:54:03,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 03:54:03,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 03:54:03,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 03:54:03,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 03:54:03,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 03:54:03,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 03:54:03,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 03:54:03,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 03:54:03,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 03:54:03,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 03:54:03,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 03:54:03,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 03:54:03,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 03:54:03,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 03:54:03,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 03:54:03,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 03:54:03,121 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 03:54:03,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 03:54:03,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 03:54:03,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 03:54:03,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 03:54:03,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 03:54:03,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 03:54:03,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 03:54:03,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 03:54:03,123 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 03:54:03,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 03:54:03,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 03:54:03,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 03:54:03,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 03:54:03,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 03:54:03,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 03:54:03,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 03:54:03,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 03:54:03,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 03:54:03,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 03:54:03,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 03:54:03,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 03:54:03,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 03:54:03,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 03:54:03,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 03:54:03,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 03:54:03,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 03:54:03,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 03:54:03,421 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 03:54:03,421 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 03:54:03,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/shared_mem1.i [2019-10-07 03:54:03,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526db3e3a/dc2093bb71e7477d960f1029ce98ad53/FLAGda4712d09 [2019-10-07 03:54:03,993 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 03:54:03,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/shared_mem1.i [2019-10-07 03:54:04,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526db3e3a/dc2093bb71e7477d960f1029ce98ad53/FLAGda4712d09 [2019-10-07 03:54:04,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526db3e3a/dc2093bb71e7477d960f1029ce98ad53 [2019-10-07 03:54:04,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 03:54:04,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 03:54:04,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 03:54:04,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 03:54:04,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 03:54:04,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:54:04" (1/1) ... [2019-10-07 03:54:04,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319c2be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04, skipping insertion in model container [2019-10-07 03:54:04,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:54:04" (1/1) ... [2019-10-07 03:54:04,351 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 03:54:04,398 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 03:54:04,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 03:54:04,859 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 03:54:04,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 03:54:04,962 INFO L192 MainTranslator]: Completed translation [2019-10-07 03:54:04,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04 WrapperNode [2019-10-07 03:54:04,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 03:54:04,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 03:54:04,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 03:54:04,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 03:54:04,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04" (1/1) ... [2019-10-07 03:54:04,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04" (1/1) ... [2019-10-07 03:54:04,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04" (1/1) ... [2019-10-07 03:54:04,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04" (1/1) ... [2019-10-07 03:54:05,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04" (1/1) ... [2019-10-07 03:54:05,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04" (1/1) ... [2019-10-07 03:54:05,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04" (1/1) ... [2019-10-07 03:54:05,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 03:54:05,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 03:54:05,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 03:54:05,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 03:54:05,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-10-07 03:54:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 03:54:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 03:54:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-07 03:54:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-07 03:54:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 03:54:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 03:54:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 03:54:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-07 03:54:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-07 03:54:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-07 03:54:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-07 03:54:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-07 03:54:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-07 03:54:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-07 03:54:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-07 03:54:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-07 03:54:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-07 03:54:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-07 03:54:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-07 03:54:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-07 03:54:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-07 03:54:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-07 03:54:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-07 03:54:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-07 03:54:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-07 03:54:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-07 03:54:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-07 03:54:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-07 03:54:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-07 03:54:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-07 03:54:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-07 03:54:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-07 03:54:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-07 03:54:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-07 03:54:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-07 03:54:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-07 03:54:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-07 03:54:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-07 03:54:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-07 03:54:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-07 03:54:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-07 03:54:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-07 03:54:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-07 03:54:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-07 03:54:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-07 03:54:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-07 03:54:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-07 03:54:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-07 03:54:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-07 03:54:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-07 03:54:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-07 03:54:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-07 03:54:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-07 03:54:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-07 03:54:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-07 03:54:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-07 03:54:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-07 03:54:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-07 03:54:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-07 03:54:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 03:54:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 03:54:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-07 03:54:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 03:54:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-07 03:54:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-07 03:54:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-07 03:54:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-07 03:54:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-07 03:54:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-07 03:54:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-07 03:54:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-07 03:54:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-07 03:54:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 03:54:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-07 03:54:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-07 03:54:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-07 03:54:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-07 03:54:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-07 03:54:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-07 03:54:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-07 03:54:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-07 03:54:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-07 03:54:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-07 03:54:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-07 03:54:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-07 03:54:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-07 03:54:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-07 03:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-07 03:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-07 03:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-07 03:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-07 03:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-07 03:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-07 03:54:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-07 03:54:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-07 03:54:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-07 03:54:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-07 03:54:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-07 03:54:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-07 03:54:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-07 03:54:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-07 03:54:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-07 03:54:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-07 03:54:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-07 03:54:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-07 03:54:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-07 03:54:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-07 03:54:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-07 03:54:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-07 03:54:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-07 03:54:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-07 03:54:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-07 03:54:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 03:54:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 03:54:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 03:54:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 03:54:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 03:54:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 03:54:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 03:54:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 03:54:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 03:54:05,782 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 03:54:05,782 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-07 03:54:05,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:54:05 BoogieIcfgContainer [2019-10-07 03:54:05,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 03:54:05,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 03:54:05,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 03:54:05,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 03:54:05,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:54:04" (1/3) ... [2019-10-07 03:54:05,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cba73d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:54:05, skipping insertion in model container [2019-10-07 03:54:05,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:54:04" (2/3) ... [2019-10-07 03:54:05,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cba73d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:54:05, skipping insertion in model container [2019-10-07 03:54:05,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:54:05" (3/3) ... [2019-10-07 03:54:05,797 INFO L109 eAbstractionObserver]: Analyzing ICFG shared_mem1.i [2019-10-07 03:54:05,811 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 03:54:05,819 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 03:54:05,831 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 03:54:05,864 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 03:54:05,864 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 03:54:05,864 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 03:54:05,864 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 03:54:05,866 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 03:54:05,866 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 03:54:05,866 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 03:54:05,866 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 03:54:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-10-07 03:54:05,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-07 03:54:05,890 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 03:54:05,891 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 03:54:05,893 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 03:54:05,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 03:54:05,899 INFO L82 PathProgramCache]: Analyzing trace with hash 353079884, now seen corresponding path program 1 times [2019-10-07 03:54:05,909 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 03:54:05,909 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:54:05,909 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:54:05,910 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:54:05,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 03:54:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:54:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 03:54:06,066 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:54:06,067 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 03:54:06,067 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 03:54:06,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 03:54:06,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 03:54:06,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 03:54:06,089 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2019-10-07 03:54:06,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 03:54:06,110 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2019-10-07 03:54:06,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 03:54:06,112 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-10-07 03:54:06,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 03:54:06,122 INFO L225 Difference]: With dead ends: 23 [2019-10-07 03:54:06,122 INFO L226 Difference]: Without dead ends: 12 [2019-10-07 03:54:06,126 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 03:54:06,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-10-07 03:54:06,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-10-07 03:54:06,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-10-07 03:54:06,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2019-10-07 03:54:06,170 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2019-10-07 03:54:06,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 03:54:06,170 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-10-07 03:54:06,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 03:54:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-10-07 03:54:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-07 03:54:06,190 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 03:54:06,190 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 03:54:06,190 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 03:54:06,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 03:54:06,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1970786261, now seen corresponding path program 1 times [2019-10-07 03:54:06,193 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 03:54:06,194 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:54:06,194 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:54:06,194 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:54:06,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 03:54:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:54:06,636 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2019-10-07 03:54:06,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 03:54:06,647 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:54:06,647 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 03:54:06,647 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 03:54:06,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 03:54:06,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 03:54:06,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 03:54:06,650 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 5 states. [2019-10-07 03:54:06,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 03:54:06,819 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2019-10-07 03:54:06,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 03:54:06,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-10-07 03:54:06,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 03:54:06,820 INFO L225 Difference]: With dead ends: 19 [2019-10-07 03:54:06,821 INFO L226 Difference]: Without dead ends: 17 [2019-10-07 03:54:06,822 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 03:54:06,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-10-07 03:54:06,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-10-07 03:54:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-10-07 03:54:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2019-10-07 03:54:06,830 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2019-10-07 03:54:06,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 03:54:06,831 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-10-07 03:54:06,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 03:54:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-10-07 03:54:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-07 03:54:06,832 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 03:54:06,832 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 03:54:06,832 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 03:54:06,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 03:54:06,833 INFO L82 PathProgramCache]: Analyzing trace with hash -154835957, now seen corresponding path program 1 times [2019-10-07 03:54:06,833 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 03:54:06,833 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:54:06,833 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:54:06,833 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:54:06,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 03:54:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:54:07,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 03:54:07,293 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:54:07,293 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 03:54:07,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 03:54:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:54:07,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 28 conjunts are in the unsatisfiable core [2019-10-07 03:54:07,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 03:54:07,547 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-10-07 03:54:07,547 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:07,583 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:07,588 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_46|, |v_#memory_$Pointer$.base_40|, |v_#memory_$Pointer$.offset_40|], 2=[|v_#memory_int_45|]} [2019-10-07 03:54:07,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:54:07,617 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 15 [2019-10-07 03:54:07,618 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:07,648 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:07,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:54:07,659 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2019-10-07 03:54:07,660 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:07,708 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:07,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:54:07,729 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2019-10-07 03:54:07,729 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:07,761 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:07,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:54:07,787 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2019-10-07 03:54:07,791 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:07,813 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:07,814 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 03:54:07,814 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:105, output treesize:58 [2019-10-07 03:54:07,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:07,948 INFO L392 ElimStorePlain]: Different costs {4=[v_prenex_3, v_prenex_4, |v_#memory_$Pointer$.base_41|, |v_#memory_$Pointer$.offset_41|], 12=[v_prenex_2, |v_#memory_int_47|]} [2019-10-07 03:54:08,011 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:08,012 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 187 treesize of output 232 [2019-10-07 03:54:08,017 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:08,114 INFO L567 ElimStorePlain]: treesize reduction 282, result has 28.6 percent of original size [2019-10-07 03:54:08,121 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 56 [2019-10-07 03:54:08,122 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:08,154 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:08,155 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_41| vanished before elimination [2019-10-07 03:54:08,155 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_41| vanished before elimination [2019-10-07 03:54:08,166 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 27 [2019-10-07 03:54:08,167 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:08,200 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:08,200 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_47| vanished before elimination [2019-10-07 03:54:08,203 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:08,203 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:378, output treesize:71 [2019-10-07 03:54:08,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:08,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 03:54:08,390 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 03:54:08,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:08,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:08,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:08,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:08,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:08,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:08,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:08,441 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:08,618 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-10-07 03:54:08,619 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:08,623 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:08,746 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-10-07 03:54:08,746 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:08,750 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:08,826 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:08,835 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:08,931 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:08,935 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:09,000 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:09,006 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:09,053 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:09,059 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:09,143 INFO L567 ElimStorePlain]: treesize reduction 20, result has 94.3 percent of original size [2019-10-07 03:54:09,150 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-10-07 03:54:09,207 INFO L567 ElimStorePlain]: treesize reduction 20, result has 93.0 percent of original size [2019-10-07 03:54:09,207 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-2 vars, End of recursive call: and 4 xjuncts. [2019-10-07 03:54:09,207 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:675, output treesize:266 [2019-10-07 03:54:09,251 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-10-07 03:54:09,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:09,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:09,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:09,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:54:09,300 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:14,176 WARN L191 SmtUtils]: Spent 4.88 s on a formula simplification that was a NOOP. DAG size: 311 [2019-10-07 03:54:14,177 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:14,219 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:17,460 WARN L191 SmtUtils]: Spent 3.24 s on a formula simplification that was a NOOP. DAG size: 307 [2019-10-07 03:54:17,461 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:17,493 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:20,107 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 303 [2019-10-07 03:54:20,107 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:20,123 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:23,144 WARN L191 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 299 [2019-10-07 03:54:23,145 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:23,156 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:25,506 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 295 [2019-10-07 03:54:25,507 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:25,518 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:28,328 WARN L191 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 291 [2019-10-07 03:54:28,328 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:28,359 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:31,957 WARN L191 SmtUtils]: Spent 3.60 s on a formula simplification that was a NOOP. DAG size: 287 [2019-10-07 03:54:31,957 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:31,967 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:34,590 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 283 [2019-10-07 03:54:34,591 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:34,603 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:36,787 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 279 [2019-10-07 03:54:36,788 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:36,798 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:38,836 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 275 [2019-10-07 03:54:38,837 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:38,850 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:42,918 WARN L191 SmtUtils]: Spent 4.07 s on a formula simplification that was a NOOP. DAG size: 271 [2019-10-07 03:54:42,919 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:42,934 INFO L496 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:45,940 WARN L191 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 267 [2019-10-07 03:54:45,941 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:45,953 INFO L496 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:48,130 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 263 [2019-10-07 03:54:48,130 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:48,142 INFO L496 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:51,032 WARN L191 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 259 [2019-10-07 03:54:51,032 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:51,047 INFO L496 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:52,166 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 255 [2019-10-07 03:54:52,166 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:52,180 INFO L496 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-07 03:54:55,091 WARN L191 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 251 [2019-10-07 03:54:55,092 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:54:55,100 INFO L496 ElimStorePlain]: Start of recursive call 1: 16 dim-2 vars, End of recursive call: 16 dim-0 vars, and 8 xjuncts. [2019-10-07 03:54:55,101 INFO L221 ElimStorePlain]: Needed 17 recursive calls to eliminate 16 variables, input treesize:3861, output treesize:7285 [2019-10-07 03:54:58,487 WARN L191 SmtUtils]: Spent 2.87 s on a formula simplification that was a NOOP. DAG size: 263 [2019-10-07 03:55:00,819 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2019-10-07 03:55:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 03:55:00,875 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 03:55:00,900 INFO L162 IcfgInterpreter]: Started Sifa with 12 locations of interest [2019-10-07 03:55:00,901 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 03:55:00,906 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 03:55:00,914 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 03:55:00,914 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 03:55:01,021 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 03:55:01,426 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 321 [2019-10-07 03:55:03,055 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 03:55:03,056 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: no XNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:244) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-07 03:55:03,061 INFO L168 Benchmark]: Toolchain (without parser) took 58725.72 ms. Allocated memory was 142.1 MB in the beginning and 296.7 MB in the end (delta: 154.7 MB). Free memory was 101.0 MB in the beginning and 211.0 MB in the end (delta: -110.0 MB). Peak memory consumption was 170.9 MB. Max. memory is 7.1 GB. [2019-10-07 03:55:03,062 INFO L168 Benchmark]: CDTParser took 1.21 ms. Allocated memory is still 142.1 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 03:55:03,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.22 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 100.8 MB in the beginning and 168.5 MB in the end (delta: -67.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-10-07 03:55:03,063 INFO L168 Benchmark]: Boogie Preprocessor took 61.57 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 165.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-10-07 03:55:03,064 INFO L168 Benchmark]: RCFGBuilder took 758.56 ms. Allocated memory is still 201.9 MB. Free memory was 165.7 MB in the beginning and 108.6 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. [2019-10-07 03:55:03,064 INFO L168 Benchmark]: TraceAbstraction took 57274.15 ms. Allocated memory was 201.9 MB in the beginning and 296.7 MB in the end (delta: 94.9 MB). Free memory was 108.0 MB in the beginning and 211.0 MB in the end (delta: -103.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. [2019-10-07 03:55:03,068 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21 ms. Allocated memory is still 142.1 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 627.22 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 100.8 MB in the beginning and 168.5 MB in the end (delta: -67.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.57 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 165.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 758.56 ms. Allocated memory is still 201.9 MB. Free memory was 165.7 MB in the beginning and 108.6 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57274.15 ms. Allocated memory was 201.9 MB in the beginning and 296.7 MB in the end (delta: 94.9 MB). Free memory was 108.0 MB in the beginning and 211.0 MB in the end (delta: -103.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: no XNF de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: no XNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:244) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...