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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-token-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:07:04,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:07:04,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:07:04,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:07:04,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:07:04,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:07:04,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:07:04,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:07:04,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:07:04,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:07:04,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:07:04,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:07:04,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:07:04,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:07:04,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:07:04,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:07:04,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:07:04,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:07:04,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:07:04,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:07:04,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:07:04,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:07:04,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:07:04,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:07:04,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:07:04,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:07:04,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:07:04,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:07:04,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:07:04,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:07:04,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:07:04,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:07:04,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:07:04,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:07:04,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:07:04,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:07:04,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:07:04,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:07:04,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:07:04,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:07:04,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:07:04,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:07:04,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:07:04,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:07:04,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:07:04,573 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:07:04,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:07:04,574 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:07:04,574 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:07:04,574 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:07:04,574 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:07:04,575 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:07:04,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:07:04,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:07:04,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:07:04,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:07:04,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:07:04,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:07:04,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:07:04,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:07:04,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:07:04,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:07:04,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:07:04,578 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:07:04,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:07:04,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:07:04,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:07:04,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:07:04,579 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:07:04,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:07:04,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:07:04,579 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:07:04,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:07:04,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:07:04,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:07:04,629 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:07:04,630 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:07:04,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-token-1.i [2019-09-16 17:07:04,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff2119a1/f0cc4c91ebb04ccf9050c1fab509fb06/FLAG2b0f52e08 [2019-09-16 17:07:05,278 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:07:05,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-1.i [2019-09-16 17:07:05,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff2119a1/f0cc4c91ebb04ccf9050c1fab509fb06/FLAG2b0f52e08 [2019-09-16 17:07:05,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff2119a1/f0cc4c91ebb04ccf9050c1fab509fb06 [2019-09-16 17:07:05,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:07:05,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:07:05,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:05,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:07:05,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:07:05,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:05" (1/1) ... [2019-09-16 17:07:05,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1e0751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:05, skipping insertion in model container [2019-09-16 17:07:05,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:05" (1/1) ... [2019-09-16 17:07:05,631 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:07:05,671 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:07:06,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:06,124 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:07:06,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:06,239 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:07:06,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:06 WrapperNode [2019-09-16 17:07:06,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:06,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:07:06,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:07:06,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:07:06,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:06" (1/1) ... [2019-09-16 17:07:06,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:06" (1/1) ... [2019-09-16 17:07:06,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:06" (1/1) ... [2019-09-16 17:07:06,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:06" (1/1) ... [2019-09-16 17:07:06,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:06" (1/1) ... [2019-09-16 17:07:06,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:06" (1/1) ... [2019-09-16 17:07:06,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:06" (1/1) ... [2019-09-16 17:07:06,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:07:06,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:07:06,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:07:06,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:07:06,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:06" (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 [2019-09-16 17:07:06,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:07:06,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:07:06,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:07:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-16 17:07:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-16 17:07:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-16 17:07:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-16 17:07:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-16 17:07:06,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-16 17:07:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-16 17:07:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-16 17:07:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-16 17:07:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-16 17:07:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-16 17:07:06,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-16 17:07:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-16 17:07:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-16 17:07:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-16 17:07:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-16 17:07:06,372 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-16 17:07:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-16 17:07:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-16 17:07:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-16 17:07:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-16 17:07:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-16 17:07:06,373 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-16 17:07:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-16 17:07:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-16 17:07:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-16 17:07:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-16 17:07:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-16 17:07:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-16 17:07:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-16 17:07:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-16 17:07:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-16 17:07:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-16 17:07:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-16 17:07:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-16 17:07:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-16 17:07:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-16 17:07:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-16 17:07:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-16 17:07:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-16 17:07:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-16 17:07:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-16 17:07:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-16 17:07:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-16 17:07:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-16 17:07:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-16 17:07:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-16 17:07:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-16 17:07:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-16 17:07:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-16 17:07:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:07:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 17:07:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-16 17:07:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:07:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-16 17:07:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-16 17:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-16 17:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-16 17:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-16 17:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-16 17:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-16 17:07:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-16 17:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-16 17:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-16 17:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-16 17:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-16 17:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-16 17:07:06,380 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-16 17:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-16 17:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-16 17:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-16 17:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-16 17:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-16 17:07:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-16 17:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-16 17:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-16 17:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-16 17:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-16 17:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-16 17:07:06,382 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-16 17:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-16 17:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-16 17:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-16 17:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-16 17:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-16 17:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-16 17:07:06,383 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-16 17:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-16 17:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-16 17:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-16 17:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-16 17:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-16 17:07:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-16 17:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-16 17:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-16 17:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-16 17:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-16 17:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-16 17:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-16 17:07:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-16 17:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-16 17:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-16 17:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-16 17:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:07:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:07:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:07:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:07:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:07:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:07:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:07:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:07:06,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:07:07,056 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:07:07,057 INFO L283 CfgBuilder]: Removed 15 assume(true) statements. [2019-09-16 17:07:07,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:07 BoogieIcfgContainer [2019-09-16 17:07:07,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:07:07,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:07:07,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:07:07,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:07:07,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:07:05" (1/3) ... [2019-09-16 17:07:07,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f17646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:07, skipping insertion in model container [2019-09-16 17:07:07,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:06" (2/3) ... [2019-09-16 17:07:07,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f17646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:07, skipping insertion in model container [2019-09-16 17:07:07,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:07" (3/3) ... [2019-09-16 17:07:07,068 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-token-1.i [2019-09-16 17:07:07,076 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:07:07,084 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-09-16 17:07:07,102 INFO L252 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-09-16 17:07:07,131 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:07:07,132 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:07:07,132 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:07:07,132 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:07:07,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:07:07,133 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:07:07,133 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:07:07,133 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:07:07,151 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-09-16 17:07:07,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-16 17:07:07,162 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:07,164 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:07,166 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:07,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:07,174 INFO L82 PathProgramCache]: Analyzing trace with hash 113927928, now seen corresponding path program 1 times [2019-09-16 17:07:07,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:07,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:07,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:07,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:07,234 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:07,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:07,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:07:07,345 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:07,349 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:07:07,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:07:07,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:07,363 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-09-16 17:07:07,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:07,379 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2019-09-16 17:07:07,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:07:07,381 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-09-16 17:07:07,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:07,390 INFO L225 Difference]: With dead ends: 45 [2019-09-16 17:07:07,390 INFO L226 Difference]: Without dead ends: 40 [2019-09-16 17:07:07,392 INFO L636 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 [2019-09-16 17:07:07,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-09-16 17:07:07,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-09-16 17:07:07,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-09-16 17:07:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2019-09-16 17:07:07,440 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 10 [2019-09-16 17:07:07,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:07,440 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2019-09-16 17:07:07,441 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:07:07,441 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2019-09-16 17:07:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-16 17:07:07,442 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:07,442 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:07,443 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:07,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:07,443 INFO L82 PathProgramCache]: Analyzing trace with hash 113161307, now seen corresponding path program 1 times [2019-09-16 17:07:07,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:07,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:07,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:07,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:07,449 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:07,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:07,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:07:07,574 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:07,576 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:07:07,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:07:07,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:07:07,578 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand 4 states. [2019-09-16 17:07:07,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:07,684 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2019-09-16 17:07:07,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:07:07,685 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-09-16 17:07:07,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:07,686 INFO L225 Difference]: With dead ends: 38 [2019-09-16 17:07:07,686 INFO L226 Difference]: Without dead ends: 38 [2019-09-16 17:07:07,687 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:07:07,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-09-16 17:07:07,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-09-16 17:07:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-09-16 17:07:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2019-09-16 17:07:07,693 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 10 [2019-09-16 17:07:07,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:07,694 INFO L475 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2019-09-16 17:07:07,694 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:07:07,694 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2019-09-16 17:07:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-09-16 17:07:07,695 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:07,695 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:07,695 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:07,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:07,696 INFO L82 PathProgramCache]: Analyzing trace with hash -787010293, now seen corresponding path program 1 times [2019-09-16 17:07:07,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:07,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:07,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:07,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:07,722 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:07,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:07,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:07:07,842 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:07,842 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:07:07,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:07:07,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:07:07,845 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand 4 states. [2019-09-16 17:07:07,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:07,944 INFO L93 Difference]: Finished difference Result 59 states and 62 transitions. [2019-09-16 17:07:07,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:07:07,945 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-09-16 17:07:07,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:07,947 INFO L225 Difference]: With dead ends: 59 [2019-09-16 17:07:07,947 INFO L226 Difference]: Without dead ends: 59 [2019-09-16 17:07:07,949 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:07:07,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-09-16 17:07:07,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 36. [2019-09-16 17:07:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-09-16 17:07:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2019-09-16 17:07:07,955 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 11 [2019-09-16 17:07:07,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:07,956 INFO L475 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2019-09-16 17:07:07,956 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:07:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2019-09-16 17:07:07,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-16 17:07:07,957 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:07,957 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:07,957 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:07,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:07,958 INFO L82 PathProgramCache]: Analyzing trace with hash -163520829, now seen corresponding path program 1 times [2019-09-16 17:07:07,958 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:07,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:07,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:07,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:07,962 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:08,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:08,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:07:08,055 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:08,055 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:07:08,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:07:08,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:07:08,056 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 5 states. [2019-09-16 17:07:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:08,168 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2019-09-16 17:07:08,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:07:08,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-09-16 17:07:08,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:08,169 INFO L225 Difference]: With dead ends: 34 [2019-09-16 17:07:08,169 INFO L226 Difference]: Without dead ends: 34 [2019-09-16 17:07:08,170 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:07:08,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-09-16 17:07:08,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-09-16 17:07:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-09-16 17:07:08,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2019-09-16 17:07:08,175 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 15 [2019-09-16 17:07:08,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:08,175 INFO L475 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2019-09-16 17:07:08,175 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:07:08,175 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2019-09-16 17:07:08,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-16 17:07:08,176 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:08,176 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:08,177 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:08,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:08,177 INFO L82 PathProgramCache]: Analyzing trace with hash -163483093, now seen corresponding path program 1 times [2019-09-16 17:07:08,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:08,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:08,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:08,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:08,182 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:08,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:08,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:07:08,348 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:08,349 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:07:08,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:07:08,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:07:08,350 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 5 states. [2019-09-16 17:07:08,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:08,511 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2019-09-16 17:07:08,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:07:08,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-09-16 17:07:08,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:08,514 INFO L225 Difference]: With dead ends: 42 [2019-09-16 17:07:08,514 INFO L226 Difference]: Without dead ends: 42 [2019-09-16 17:07:08,514 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:07:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-09-16 17:07:08,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2019-09-16 17:07:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-09-16 17:07:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2019-09-16 17:07:08,524 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 15 [2019-09-16 17:07:08,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:08,524 INFO L475 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2019-09-16 17:07:08,524 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:07:08,524 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2019-09-16 17:07:08,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-16 17:07:08,530 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:08,530 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:08,530 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:08,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:08,531 INFO L82 PathProgramCache]: Analyzing trace with hash -950157691, now seen corresponding path program 1 times [2019-09-16 17:07:08,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:08,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:08,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:08,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:08,535 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:08,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:08,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:07:08,735 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:08,735 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:07:08,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:07:08,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:07:08,736 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 6 states. [2019-09-16 17:07:08,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:08,918 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2019-09-16 17:07:08,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:07:08,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2019-09-16 17:07:08,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:08,920 INFO L225 Difference]: With dead ends: 45 [2019-09-16 17:07:08,920 INFO L226 Difference]: Without dead ends: 45 [2019-09-16 17:07:08,921 INFO L636 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 [2019-09-16 17:07:08,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-09-16 17:07:08,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2019-09-16 17:07:08,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-09-16 17:07:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2019-09-16 17:07:08,930 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 18 [2019-09-16 17:07:08,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:08,930 INFO L475 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2019-09-16 17:07:08,930 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:07:08,930 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2019-09-16 17:07:08,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-16 17:07:08,933 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:08,933 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:08,933 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:08,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:08,934 INFO L82 PathProgramCache]: Analyzing trace with hash 765794532, now seen corresponding path program 1 times [2019-09-16 17:07:08,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:08,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:08,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:08,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:08,942 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:09,139 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:07:09,140 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:07:09,141 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 19 with the following transitions: [2019-09-16 17:07:09,144 INFO L207 CegarAbsIntRunner]: [0], [1], [2], [7], [10], [12], [22], [34], [44], [61], [65], [68], [69], [167], [168], [172], [173], [174] [2019-09-16 17:07:09,195 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:07:09,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:07:09,302 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:07:09,304 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 37 variables. [2019-09-16 17:07:09,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:09,308 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:07:09,345 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-09-16 17:07:09,345 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:07:09,347 INFO L420 sIntCurrentIteration]: We unified 17 AI predicates to 17 [2019-09-16 17:07:09,347 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:07:09,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:07:09,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-16 17:07:09,348 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:09,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:07:09,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:07:09,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:09,349 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 2 states. [2019-09-16 17:07:09,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:09,350 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-09-16 17:07:09,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:07:09,351 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-09-16 17:07:09,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:09,351 INFO L225 Difference]: With dead ends: 6 [2019-09-16 17:07:09,351 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:07:09,352 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:09,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:07:09,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:07:09,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:07:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:07:09,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-09-16 17:07:09,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:09,353 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:07:09,353 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:07:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:07:09,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:07:09,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:07:09 BoogieIcfgContainer [2019-09-16 17:07:09,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:07:09,361 INFO L168 Benchmark]: Toolchain (without parser) took 3744.47 ms. Allocated memory was 140.5 MB in the beginning and 226.0 MB in the end (delta: 85.5 MB). Free memory was 86.1 MB in the beginning and 78.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 92.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:09,362 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:07:09,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.56 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 165.6 MB in the end (delta: -79.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:09,364 INFO L168 Benchmark]: Boogie Preprocessor took 64.26 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 162.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:09,365 INFO L168 Benchmark]: RCFGBuilder took 753.22 ms. Allocated memory is still 200.3 MB. Free memory was 162.1 MB in the beginning and 115.5 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:09,367 INFO L168 Benchmark]: TraceAbstraction took 2297.99 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 115.5 MB in the beginning and 78.8 MB in the end (delta: 36.7 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:09,371 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.56 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 165.6 MB in the end (delta: -79.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.26 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 162.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 753.22 ms. Allocated memory is still 200.3 MB. Free memory was 162.1 MB in the beginning and 115.5 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2297.99 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 115.5 MB in the beginning and 78.8 MB in the end (delta: 36.7 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1017]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1036]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1026]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1024]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1008]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1021]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 49 locations, 6 error locations. SAFE Result, 2.2s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 202 SDtfs, 84 SDslu, 281 SDs, 0 SdLazy, 212 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9117647058823529 AbsIntWeakeningRatio, 1.2941176470588236 AbsIntAvgWeakeningVarsNumRemoved, 0.35294117647058826 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 8255 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...