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/packet_filter.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:59:46,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:59:46,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:59:46,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:59:46,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:59:46,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:59:46,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:59:46,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:59:46,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:59:46,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:59:46,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:59:46,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:59:46,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:59:46,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:59:46,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:59:46,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:59:46,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:59:46,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:59:46,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:59:46,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:59:46,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:59:46,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:59:46,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:59:46,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:59:46,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:59:46,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:59:46,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:59:46,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:59:46,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:59:46,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:59:46,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:59:46,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:59:46,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:59:46,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:59:46,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:59:46,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:59:46,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:59:46,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:59:46,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:59:46,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:59:46,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:59:46,414 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 [2019-10-15 01:59:46,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:59:46,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:59:46,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:59:46,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:59:46,442 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:59:46,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:59:46,442 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:59:46,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:59:46,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:59:46,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:59:46,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:59:46,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:59:46,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:59:46,445 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:59:46,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:59:46,445 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:59:46,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:59:46,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:59:46,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:59:46,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:59:46,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:59:46,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:59:46,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:59:46,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:59:46,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:59:46,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:59:46,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:59:46,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:59:46,447 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 [2019-10-15 01:59:46,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:59:46,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:59:46,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:59:46,736 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:59:46,737 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:59:46,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/packet_filter.i [2019-10-15 01:59:46,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126d005db/8ccd540f03334519ae138b5db3046629/FLAG800749d86 [2019-10-15 01:59:47,321 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:59:47,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/packet_filter.i [2019-10-15 01:59:47,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126d005db/8ccd540f03334519ae138b5db3046629/FLAG800749d86 [2019-10-15 01:59:47,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126d005db/8ccd540f03334519ae138b5db3046629 [2019-10-15 01:59:47,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:59:47,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:59:47,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:59:47,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:59:47,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:59:47,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:59:47" (1/1) ... [2019-10-15 01:59:47,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:47, skipping insertion in model container [2019-10-15 01:59:47,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:59:47" (1/1) ... [2019-10-15 01:59:47,698 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:59:47,746 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:59:48,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:59:48,188 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:59:48,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:59:48,320 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:59:48,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:48 WrapperNode [2019-10-15 01:59:48,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:59:48,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:59:48,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:59:48,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:59:48,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:48" (1/1) ... [2019-10-15 01:59:48,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:48" (1/1) ... [2019-10-15 01:59:48,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:48" (1/1) ... [2019-10-15 01:59:48,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:48" (1/1) ... [2019-10-15 01:59:48,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:48" (1/1) ... [2019-10-15 01:59:48,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:48" (1/1) ... [2019-10-15 01:59:48,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:48" (1/1) ... [2019-10-15 01:59:48,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:59:48,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:59:48,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:59:48,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:59:48,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:48" (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 [2019-10-15 01:59:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:59:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:59:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-15 01:59:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-15 01:59:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure receive [2019-10-15 01:59:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure send [2019-10-15 01:59:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_queue [2019-10-15 01:59:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prio_queue [2019-10-15 01:59:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure process_normal_queue [2019-10-15 01:59:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:59:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 01:59:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:59:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_charp [2019-10-15 01:59:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:59:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-15 01:59:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-15 01:59:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-15 01:59:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-15 01:59:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-15 01:59:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-15 01:59:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-15 01:59:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-15 01:59:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-15 01:59:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-15 01:59:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-15 01:59:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-15 01:59:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-15 01:59:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-15 01:59:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-15 01:59:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-15 01:59:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-15 01:59:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-15 01:59:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-15 01:59:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-15 01:59:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-15 01:59:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-15 01:59:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-15 01:59:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-15 01:59:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-15 01:59:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-15 01:59:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-15 01:59:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-15 01:59:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-15 01:59:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-15 01:59:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-15 01:59:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-15 01:59:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-15 01:59:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-15 01:59:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-15 01:59:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-15 01:59:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-15 01:59:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-15 01:59:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-15 01:59:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-15 01:59:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-15 01:59:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-15 01:59:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-15 01:59:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-15 01:59:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-15 01:59:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-15 01:59:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-15 01:59:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-15 01:59:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-15 01:59:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-15 01:59:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-15 01:59:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-15 01:59:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:59:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 01:59:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-15 01:59:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:59:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-15 01:59:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-15 01:59:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-15 01:59:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-15 01:59:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-15 01:59:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 01:59:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-15 01:59:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-15 01:59:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-15 01:59:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:59:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-15 01:59:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-15 01:59:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-15 01:59:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-15 01:59:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-15 01:59:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-15 01:59:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-15 01:59:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-15 01:59:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-15 01:59:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-15 01:59:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-15 01:59:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-15 01:59:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-15 01:59:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-15 01:59:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-15 01:59:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-15 01:59:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-15 01:59:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-15 01:59:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-15 01:59:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-15 01:59:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-15 01:59:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-15 01:59:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-15 01:59:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-15 01:59:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-15 01:59:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-15 01:59:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-15 01:59:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-15 01:59:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-15 01:59:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-15 01:59:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-15 01:59:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-15 01:59:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-15 01:59:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-15 01:59:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-15 01:59:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-15 01:59:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-15 01:59:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-15 01:59:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-15 01:59:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure receive [2019-10-15 01:59:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:59:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:59:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:59:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:59:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:59:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:59:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure send [2019-10-15 01:59:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_queue [2019-10-15 01:59:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:59:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure process_prio_queue [2019-10-15 01:59:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure process_normal_queue [2019-10-15 01:59:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:59:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 01:59:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:59:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:59:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:59:49,676 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:59:49,676 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 01:59:49,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:59:49 BoogieIcfgContainer [2019-10-15 01:59:49,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:59:49,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:59:49,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:59:49,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:59:49,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:59:47" (1/3) ... [2019-10-15 01:59:49,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d3b8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:59:49, skipping insertion in model container [2019-10-15 01:59:49,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:48" (2/3) ... [2019-10-15 01:59:49,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d3b8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:59:49, skipping insertion in model container [2019-10-15 01:59:49,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:59:49" (3/3) ... [2019-10-15 01:59:49,687 INFO L109 eAbstractionObserver]: Analyzing ICFG packet_filter.i [2019-10-15 01:59:49,697 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:59:49,706 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-15 01:59:49,718 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-15 01:59:49,746 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:59:49,746 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:59:49,747 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:59:49,747 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:59:49,747 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:59:49,747 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:59:49,748 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:59:49,748 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:59:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-10-15 01:59:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-15 01:59:49,777 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:59:49,778 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:59:49,780 INFO L410 AbstractCegarLoop]: === Iteration 1 === [process_prio_queueErr0ASSERT_VIOLATIONERROR_FUNCTION, process_normal_queueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:59:49,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:59:49,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1412141307, now seen corresponding path program 1 times [2019-10-15 01:59:49,796 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:59:49,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704083877] [2019-10-15 01:59:49,797 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:49,797 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:49,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:59:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:59:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:59:49,992 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704083877] [2019-10-15 01:59:49,993 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:59:49,994 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:59:49,994 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931863087] [2019-10-15 01:59:49,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:59:49,999 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:59:50,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:59:50,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:59:50,017 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2019-10-15 01:59:50,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:59:50,049 INFO L93 Difference]: Finished difference Result 79 states and 96 transitions. [2019-10-15 01:59:50,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:59:50,051 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-10-15 01:59:50,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:59:50,061 INFO L225 Difference]: With dead ends: 79 [2019-10-15 01:59:50,061 INFO L226 Difference]: Without dead ends: 46 [2019-10-15 01:59:50,065 INFO L600 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 [2019-10-15 01:59:50,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-15 01:59:50,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-10-15 01:59:50,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-15 01:59:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2019-10-15 01:59:50,110 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 12 [2019-10-15 01:59:50,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:59:50,111 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2019-10-15 01:59:50,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:59:50,111 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2019-10-15 01:59:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-15 01:59:50,112 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:59:50,112 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:59:50,113 INFO L410 AbstractCegarLoop]: === Iteration 2 === [process_prio_queueErr0ASSERT_VIOLATIONERROR_FUNCTION, process_normal_queueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:59:50,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:59:50,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1996495619, now seen corresponding path program 1 times [2019-10-15 01:59:50,114 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:59:50,114 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674889430] [2019-10-15 01:59:50,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:50,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:50,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:59:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:59:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:59:50,277 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674889430] [2019-10-15 01:59:50,277 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:59:50,278 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:59:50,278 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225715453] [2019-10-15 01:59:50,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:59:50,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:59:50,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:59:50,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:59:50,281 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand 6 states. [2019-10-15 01:59:50,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:59:50,452 INFO L93 Difference]: Finished difference Result 75 states and 88 transitions. [2019-10-15 01:59:50,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:59:50,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-10-15 01:59:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:59:50,457 INFO L225 Difference]: With dead ends: 75 [2019-10-15 01:59:50,457 INFO L226 Difference]: Without dead ends: 55 [2019-10-15 01:59:50,458 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:59:50,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-15 01:59:50,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2019-10-15 01:59:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-15 01:59:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2019-10-15 01:59:50,477 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 13 [2019-10-15 01:59:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:59:50,480 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2019-10-15 01:59:50,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:59:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2019-10-15 01:59:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-15 01:59:50,481 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:59:50,481 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:59:50,481 INFO L410 AbstractCegarLoop]: === Iteration 3 === [process_prio_queueErr0ASSERT_VIOLATIONERROR_FUNCTION, process_normal_queueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:59:50,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:59:50,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1822573110, now seen corresponding path program 1 times [2019-10-15 01:59:50,482 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:59:50,482 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342262584] [2019-10-15 01:59:50,482 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:50,483 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:50,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:59:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:59:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:59:50,671 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342262584] [2019-10-15 01:59:50,671 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:59:50,671 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:59:50,672 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212206191] [2019-10-15 01:59:50,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:59:50,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:59:50,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:59:50,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:59:50,675 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand 7 states. [2019-10-15 01:59:51,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:59:51,201 INFO L93 Difference]: Finished difference Result 80 states and 93 transitions. [2019-10-15 01:59:51,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:59:51,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-10-15 01:59:51,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:59:51,203 INFO L225 Difference]: With dead ends: 80 [2019-10-15 01:59:51,203 INFO L226 Difference]: Without dead ends: 62 [2019-10-15 01:59:51,204 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-10-15 01:59:51,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-15 01:59:51,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 48. [2019-10-15 01:59:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-15 01:59:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2019-10-15 01:59:51,214 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 18 [2019-10-15 01:59:51,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:59:51,214 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2019-10-15 01:59:51,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:59:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2019-10-15 01:59:51,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-15 01:59:51,216 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:59:51,216 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:59:51,216 INFO L410 AbstractCegarLoop]: === Iteration 4 === [process_prio_queueErr0ASSERT_VIOLATIONERROR_FUNCTION, process_normal_queueErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:59:51,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:59:51,217 INFO L82 PathProgramCache]: Analyzing trace with hash -2015717667, now seen corresponding path program 1 times [2019-10-15 01:59:51,217 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:59:51,217 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633591990] [2019-10-15 01:59:51,218 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:51,218 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:59:51,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:59:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:59:51,662 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-10-15 01:59:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:59:51,781 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633591990] [2019-10-15 01:59:51,782 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679998359] [2019-10-15 01:59:51,782 INFO L94 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 [2019-10-15 01:59:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:59:51,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 41 conjunts are in the unsatisfiable core [2019-10-15 01:59:51,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:59:52,021 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-10-15 01:59:52,021 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2019-10-15 01:59:52,022 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:52,032 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,033 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:52,034 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2019-10-15 01:59:52,145 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,146 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 69 [2019-10-15 01:59:52,147 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:52,211 INFO L567 ElimStorePlain]: treesize reduction 28, result has 60.0 percent of original size [2019-10-15 01:59:52,213 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:52,213 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:42 [2019-10-15 01:59:52,279 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:52,308 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,312 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:52,333 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,337 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:52,353 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,356 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:52,365 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,366 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:52,367 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:88, output treesize:40 [2019-10-15 01:59:52,450 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,451 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2019-10-15 01:59:52,452 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:52,484 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,493 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 32 [2019-10-15 01:59:52,494 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:52,525 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,532 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 32 [2019-10-15 01:59:52,533 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:52,566 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,567 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 01:59:52,568 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 12 variables, input treesize:81, output treesize:15 [2019-10-15 01:59:52,575 INFO L375 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 15 treesize of output 7 [2019-10-15 01:59:52,576 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:52,601 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,605 INFO L375 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 15 treesize of output 7 [2019-10-15 01:59:52,605 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:52,615 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,615 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-15 01:59:52,616 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-10-15 01:59:52,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:59:52,624 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:59:52,882 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:59:52,894 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_111|, |v_#memory_$Pointer$.base_111|], 3=[|v_#memory_$Pointer$.base_112|, |v_#memory_$Pointer$.offset_112|]} [2019-10-15 01:59:52,902 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:52,909 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:52,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:52,978 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:52,983 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:53,032 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:53,038 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:53,044 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:53,073 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:53,078 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-10-15 01:59:53,105 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-15 01:59:53,124 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:59:53,126 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2019-10-15 01:59:53,127 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:173, output treesize:57 [2019-10-15 01:59:53,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:00:05,422 WARN L191 SmtUtils]: Spent 6.04 s on a formula simplification that was a NOOP. DAG size: 55 [2019-10-15 02:00:05,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 02:00:05,446 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-15 02:00:05,454 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_100|, |v_#memory_$Pointer$.base_100|], 3=[|v_#memory_$Pointer$.offset_99|, |v_#memory_$Pointer$.base_99|]} [2019-10-15 02:00:05,658 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 02:00:05,659 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) 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.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:335) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) 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) [2019-10-15 02:00:05,666 INFO L168 Benchmark]: Toolchain (without parser) took 17983.77 ms. Allocated memory was 139.5 MB in the beginning and 245.9 MB in the end (delta: 106.4 MB). Free memory was 102.1 MB in the beginning and 172.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-10-15 02:00:05,667 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 02:00:05,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.42 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 101.9 MB in the beginning and 168.9 MB in the end (delta: -67.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-10-15 02:00:05,668 INFO L168 Benchmark]: Boogie Preprocessor took 76.28 ms. Allocated memory is still 204.5 MB. Free memory was 168.9 MB in the beginning and 165.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-15 02:00:05,669 INFO L168 Benchmark]: RCFGBuilder took 1278.83 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 165.0 MB in the beginning and 202.3 MB in the end (delta: -37.4 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2019-10-15 02:00:05,670 INFO L168 Benchmark]: TraceAbstraction took 15984.95 ms. Allocated memory was 235.4 MB in the beginning and 245.9 MB in the end (delta: 10.5 MB). Free memory was 202.3 MB in the beginning and 172.5 MB in the end (delta: 29.8 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2019-10-15 02:00:05,679 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 639.42 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 101.9 MB in the beginning and 168.9 MB in the end (delta: -67.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.28 ms. Allocated memory is still 204.5 MB. Free memory was 168.9 MB in the beginning and 165.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1278.83 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 165.0 MB in the beginning and 202.3 MB in the end (delta: -37.4 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15984.95 ms. Allocated memory was 235.4 MB in the beginning and 245.9 MB in the end (delta: 10.5 MB). Free memory was 202.3 MB in the beginning and 172.5 MB in the end (delta: 29.8 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...