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/heap-data/quick_sort_split.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:29:10,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:29:10,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:29:10,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:29:10,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:29:10,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:29:10,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:29:10,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:29:10,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:29:10,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:29:10,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:29:10,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:29:10,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:29:10,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:29:10,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:29:10,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:29:10,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:29:10,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:29:10,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:29:10,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:29:10,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:29:10,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:29:10,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:29:10,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:29:10,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:29:10,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:29:10,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:29:10,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:29:10,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:29:10,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:29:10,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:29:10,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:29:10,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:29:10,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:29:10,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:29:10,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:29:10,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:29:10,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:29:10,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:29:10,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:29:10,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:29:10,609 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 [2019-09-20 13:29:10,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:29:10,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:29:10,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:29:10,625 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:29:10,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:29:10,625 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:29:10,626 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:29:10,626 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:29:10,626 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:29:10,626 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:29:10,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:29:10,627 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:29:10,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:29:10,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:29:10,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:29:10,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:29:10,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:29:10,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:29:10,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:29:10,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:29:10,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:29:10,629 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:29:10,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:29:10,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:10,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:29:10,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:29:10,630 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:29:10,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:29:10,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:29:10,631 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:29:10,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:29:10,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:29:10,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:29:10,683 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:29:10,684 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:29:10,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/quick_sort_split.i [2019-09-20 13:29:10,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c184e73d1/27e4dc4edcfd41018de6321d521eedc7/FLAG451efd227 [2019-09-20 13:29:11,367 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:29:11,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i [2019-09-20 13:29:11,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c184e73d1/27e4dc4edcfd41018de6321d521eedc7/FLAG451efd227 [2019-09-20 13:29:11,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c184e73d1/27e4dc4edcfd41018de6321d521eedc7 [2019-09-20 13:29:11,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:29:11,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:29:11,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:11,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:29:11,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:29:11,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:11" (1/1) ... [2019-09-20 13:29:11,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f75ef3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:11, skipping insertion in model container [2019-09-20 13:29:11,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:11" (1/1) ... [2019-09-20 13:29:11,650 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:29:11,708 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:29:12,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:12,148 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:29:12,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:12,251 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:29:12,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:12 WrapperNode [2019-09-20 13:29:12,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:12,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:29:12,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:29:12,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:29:12,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:12" (1/1) ... [2019-09-20 13:29:12,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:12" (1/1) ... [2019-09-20 13:29:12,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:12" (1/1) ... [2019-09-20 13:29:12,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:12" (1/1) ... [2019-09-20 13:29:12,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:12" (1/1) ... [2019-09-20 13:29:12,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:12" (1/1) ... [2019-09-20 13:29:12,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:12" (1/1) ... [2019-09-20 13:29:12,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:29:12,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:29:12,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:29:12,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:29:12,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:12" (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 [2019-09-20 13:29:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:29:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:29:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 13:29:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 13:29:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2019-09-20 13:29:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure create_list [2019-09-20 13:29:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:29:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:29:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:29:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 13:29:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 13:29:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 13:29:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 13:29:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 13:29:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 13:29:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 13:29:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 13:29:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 13:29:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 13:29:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 13:29:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 13:29:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 13:29:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 13:29:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 13:29:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 13:29:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 13:29:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 13:29:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 13:29:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 13:29:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 13:29:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 13:29:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 13:29:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 13:29:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 13:29:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 13:29:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 13:29:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 13:29:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 13:29:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 13:29:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 13:29:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 13:29:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 13:29:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 13:29:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 13:29:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 13:29:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 13:29:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 13:29:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 13:29:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 13:29:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 13:29:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 13:29:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 13:29:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 13:29:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 13:29:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 13:29:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 13:29:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 13:29:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 13:29:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 13:29:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 13:29:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 13:29:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:29:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:29:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 13:29:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:29:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 13:29:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 13:29:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 13:29:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 13:29:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 13:29:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 13:29:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 13:29:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 13:29:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 13:29:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 13:29:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 13:29:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 13:29:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 13:29:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 13:29:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 13:29:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 13:29:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 13:29:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 13:29:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 13:29:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 13:29:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 13:29:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 13:29:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 13:29:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 13:29:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 13:29:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 13:29:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 13:29:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 13:29:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 13:29:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 13:29:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 13:29:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 13:29:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 13:29:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 13:29:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 13:29:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 13:29:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 13:29:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 13:29:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 13:29:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 13:29:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 13:29:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 13:29:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 13:29:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 13:29:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 13:29:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 13:29:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 13:29:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 13:29:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 13:29:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2019-09-20 13:29:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:29:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:29:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:29:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:29:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure create_list [2019-09-20 13:29:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:29:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:29:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:29:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:29:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:29:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:29:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:29:12,972 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:29:12,972 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:29:12,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:12 BoogieIcfgContainer [2019-09-20 13:29:12,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:29:12,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:29:12,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:29:12,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:29:12,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:29:11" (1/3) ... [2019-09-20 13:29:12,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45947abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:12, skipping insertion in model container [2019-09-20 13:29:12,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:12" (2/3) ... [2019-09-20 13:29:12,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45947abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:12, skipping insertion in model container [2019-09-20 13:29:12,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:12" (3/3) ... [2019-09-20 13:29:12,982 INFO L109 eAbstractionObserver]: Analyzing ICFG quick_sort_split.i [2019-09-20 13:29:12,993 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:29:13,001 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-09-20 13:29:13,019 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-09-20 13:29:13,048 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:29:13,049 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:29:13,049 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:29:13,049 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:29:13,050 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:29:13,050 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:29:13,050 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:29:13,050 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:29:13,071 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2019-09-20 13:29:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-20 13:29:13,083 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:13,085 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:13,090 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:13,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:13,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1851020699, now seen corresponding path program 1 times [2019-09-20 13:29:13,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:13,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:13,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:13,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:13,176 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:13,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:13,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:29:13,271 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:13,275 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:13,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:13,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:13,293 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2019-09-20 13:29:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:13,312 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2019-09-20 13:29:13,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:13,314 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-09-20 13:29:13,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:13,327 INFO L225 Difference]: With dead ends: 36 [2019-09-20 13:29:13,327 INFO L226 Difference]: Without dead ends: 32 [2019-09-20 13:29:13,329 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 [2019-09-20 13:29:13,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-09-20 13:29:13,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-09-20 13:29:13,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-09-20 13:29:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2019-09-20 13:29:13,374 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 16 [2019-09-20 13:29:13,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:13,375 INFO L475 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2019-09-20 13:29:13,375 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2019-09-20 13:29:13,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-20 13:29:13,377 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:13,377 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:13,378 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:13,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:13,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1239240901, now seen corresponding path program 1 times [2019-09-20 13:29:13,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:13,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:13,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:13,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:13,384 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:13,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:13,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:13,503 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:13,505 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:13,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:13,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:13,506 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 3 states. [2019-09-20 13:29:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:13,524 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2019-09-20 13:29:13,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:13,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-09-20 13:29:13,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:13,527 INFO L225 Difference]: With dead ends: 28 [2019-09-20 13:29:13,527 INFO L226 Difference]: Without dead ends: 28 [2019-09-20 13:29:13,530 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:13,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-09-20 13:29:13,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-09-20 13:29:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-09-20 13:29:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2019-09-20 13:29:13,536 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 17 [2019-09-20 13:29:13,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:13,537 INFO L475 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2019-09-20 13:29:13,537 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:13,537 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2019-09-20 13:29:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-20 13:29:13,538 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:13,538 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:13,538 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:13,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:13,539 INFO L82 PathProgramCache]: Analyzing trace with hash -238280333, now seen corresponding path program 1 times [2019-09-20 13:29:13,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:13,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:13,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:13,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:13,544 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:13,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:13,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:13,641 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:13,641 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:13,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:13,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:13,642 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand 3 states. [2019-09-20 13:29:13,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:13,650 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2019-09-20 13:29:13,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:13,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-09-20 13:29:13,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:13,653 INFO L225 Difference]: With dead ends: 24 [2019-09-20 13:29:13,653 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:29:13,653 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:13,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:29:13,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:29:13,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:29:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:29:13,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-09-20 13:29:13,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:13,656 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:29:13,656 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:29:13,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:29:13,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:29:13 BoogieIcfgContainer [2019-09-20 13:29:13,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:29:13,665 INFO L168 Benchmark]: Toolchain (without parser) took 2035.05 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 85.7 MB in the beginning and 79.5 MB in the end (delta: 6.2 MB). Peak memory consumption was 73.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:13,671 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:29:13,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.48 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 85.5 MB in the beginning and 163.4 MB in the end (delta: -77.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:13,675 INFO L168 Benchmark]: Boogie Preprocessor took 64.47 ms. Allocated memory is still 199.8 MB. Free memory was 163.4 MB in the beginning and 159.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:13,675 INFO L168 Benchmark]: RCFGBuilder took 656.82 ms. Allocated memory is still 199.8 MB. Free memory was 159.7 MB in the beginning and 114.2 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:13,684 INFO L168 Benchmark]: TraceAbstraction took 687.26 ms. Allocated memory is still 199.8 MB. Free memory was 113.6 MB in the beginning and 79.5 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:13,693 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 132.6 MB. Free memory was 105.7 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.48 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 85.5 MB in the beginning and 163.4 MB in the end (delta: -77.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.47 ms. Allocated memory is still 199.8 MB. Free memory was 163.4 MB in the beginning and 159.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 656.82 ms. Allocated memory is still 199.8 MB. Free memory was 159.7 MB in the beginning and 114.2 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 687.26 ms. Allocated memory is still 199.8 MB. Free memory was 113.6 MB in the beginning and 79.5 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 599]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 594]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 42 locations, 2 error locations. SAFE Result, 0.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 SDtfs, 14 SDslu, 42 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...