java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-token-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:45:07,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:45:07,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:45:07,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:45:07,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:45:07,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:45:07,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:45:07,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:45:07,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:45:07,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:45:07,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:45:07,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:45:07,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:45:07,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:45:07,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:45:07,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:45:07,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:45:07,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:45:07,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:45:07,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:45:07,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:45:07,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:45:07,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:45:07,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:45:07,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:45:07,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:45:07,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:45:07,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:45:07,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:45:07,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:45:07,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:45:07,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:45:07,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:45:07,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:45:07,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:45:07,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:45:07,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:45:07,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:45:07,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:45:07,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:45:07,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:45:07,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 01:45:07,299 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:45:07,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:45:07,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:45:07,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:45:07,300 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:45:07,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:45:07,301 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:45:07,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:45:07,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:45:07,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:45:07,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:45:07,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:45:07,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:45:07,302 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:45:07,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:45:07,303 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:45:07,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:45:07,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:45:07,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:45:07,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:45:07,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:45:07,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:45:07,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:45:07,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:45:07,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:45:07,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:45:07,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:45:07,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:45:07,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:45:07,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:45:07,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:45:07,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:45:07,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:45:07,350 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:45:07,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-token-1.i [2019-09-08 01:45:07,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3dd02457/255f5285bb2a42b583125620c894caad/FLAGcacaab8d0 [2019-09-08 01:45:07,964 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:45:07,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-1.i [2019-09-08 01:45:07,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3dd02457/255f5285bb2a42b583125620c894caad/FLAGcacaab8d0 [2019-09-08 01:45:08,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3dd02457/255f5285bb2a42b583125620c894caad [2019-09-08 01:45:08,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:45:08,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:45:08,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:45:08,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:45:08,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:45:08,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:45:08" (1/1) ... [2019-09-08 01:45:08,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a306b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08, skipping insertion in model container [2019-09-08 01:45:08,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:45:08" (1/1) ... [2019-09-08 01:45:08,276 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:45:08,328 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:45:08,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:45:08,757 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:45:08,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:45:08,864 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:45:08,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08 WrapperNode [2019-09-08 01:45:08,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:45:08,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:45:08,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:45:08,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:45:08,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08" (1/1) ... [2019-09-08 01:45:08,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08" (1/1) ... [2019-09-08 01:45:08,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08" (1/1) ... [2019-09-08 01:45:08,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08" (1/1) ... [2019-09-08 01:45:08,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08" (1/1) ... [2019-09-08 01:45:08,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08" (1/1) ... [2019-09-08 01:45:08,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08" (1/1) ... [2019-09-08 01:45:08,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:45:08,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:45:08,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:45:08,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:45:08,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08" (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 [2019-09-08 01:45:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:45:08,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:45:08,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:45:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-08 01:45:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-08 01:45:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-08 01:45:08,982 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-08 01:45:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-08 01:45:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-08 01:45:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-08 01:45:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-08 01:45:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-08 01:45:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-08 01:45:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-08 01:45:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-08 01:45:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-08 01:45:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-08 01:45:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-08 01:45:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-08 01:45:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-08 01:45:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-08 01:45:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-08 01:45:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-08 01:45:08,985 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-08 01:45:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-08 01:45:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-08 01:45:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-08 01:45:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-08 01:45:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-08 01:45:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-08 01:45:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-08 01:45:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-08 01:45:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-08 01:45:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-08 01:45:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-08 01:45:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-08 01:45:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-08 01:45:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-08 01:45:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-08 01:45:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-08 01:45:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-08 01:45:08,988 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-08 01:45:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-08 01:45:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-08 01:45:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-08 01:45:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-08 01:45:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-08 01:45:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-08 01:45:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-08 01:45:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-08 01:45:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-08 01:45:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-08 01:45:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-08 01:45:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 01:45:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 01:45:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-08 01:45:08,993 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 01:45:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-08 01:45:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-08 01:45:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-08 01:45:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-08 01:45:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-08 01:45:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-08 01:45:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-08 01:45:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-08 01:45:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-08 01:45:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-08 01:45:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-08 01:45:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-08 01:45:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-08 01:45:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-08 01:45:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-08 01:45:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-08 01:45:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-08 01:45:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-08 01:45:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-08 01:45:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-08 01:45:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-08 01:45:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-08 01:45:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-08 01:45:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-08 01:45:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-08 01:45:09,002 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-08 01:45:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-08 01:45:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-08 01:45:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-08 01:45:09,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-08 01:45:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-08 01:45:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-08 01:45:09,004 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-08 01:45:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-08 01:45:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-08 01:45:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-08 01:45:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-08 01:45:09,005 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-08 01:45:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-08 01:45:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-08 01:45:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-08 01:45:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-08 01:45:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-08 01:45:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-08 01:45:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-08 01:45:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-08 01:45:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-08 01:45:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-08 01:45:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-08 01:45:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 01:45:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:45:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:45:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 01:45:09,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 01:45:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:45:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 01:45:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:45:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:45:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:45:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:45:09,579 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:45:09,579 INFO L283 CfgBuilder]: Removed 15 assume(true) statements. [2019-09-08 01:45:09,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:45:09 BoogieIcfgContainer [2019-09-08 01:45:09,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:45:09,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:45:09,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:45:09,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:45:09,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:45:08" (1/3) ... [2019-09-08 01:45:09,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b1bd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:45:09, skipping insertion in model container [2019-09-08 01:45:09,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:45:08" (2/3) ... [2019-09-08 01:45:09,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b1bd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:45:09, skipping insertion in model container [2019-09-08 01:45:09,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:45:09" (3/3) ... [2019-09-08 01:45:09,592 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-token-1.i [2019-09-08 01:45:09,603 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:45:09,616 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-09-08 01:45:09,634 INFO L252 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-09-08 01:45:09,678 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:45:09,679 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:45:09,679 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:45:09,679 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:45:09,679 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:45:09,680 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:45:09,681 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:45:09,684 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:45:09,684 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:45:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-09-08 01:45:09,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-08 01:45:09,727 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:45:09,729 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:45:09,735 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:45:09,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:45:09,742 INFO L82 PathProgramCache]: Analyzing trace with hash 68430596, now seen corresponding path program 1 times [2019-09-08 01:45:09,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:45:09,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:45:09,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:45:09,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:45:09,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:45:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:45:09,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:45:09,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:45:09,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:45:09,891 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:45:09,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:45:09,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:45:09,908 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-09-08 01:45:09,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:45:09,936 INFO L93 Difference]: Finished difference Result 92 states and 138 transitions. [2019-09-08 01:45:09,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:45:09,938 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-09-08 01:45:09,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:45:09,948 INFO L225 Difference]: With dead ends: 92 [2019-09-08 01:45:09,949 INFO L226 Difference]: Without dead ends: 43 [2019-09-08 01:45:09,953 INFO L628 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 [2019-09-08 01:45:09,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-09-08 01:45:09,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-09-08 01:45:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-09-08 01:45:10,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-09-08 01:45:10,003 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 10 [2019-09-08 01:45:10,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:45:10,004 INFO L475 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-09-08 01:45:10,004 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:45:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-09-08 01:45:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-08 01:45:10,006 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:45:10,006 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:45:10,006 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:45:10,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:45:10,007 INFO L82 PathProgramCache]: Analyzing trace with hash 67663975, now seen corresponding path program 1 times [2019-09-08 01:45:10,007 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:45:10,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:45:10,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:45:10,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:45:10,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:45:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:45:10,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:45:10,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:45:10,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 01:45:10,104 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 01:45:10,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 01:45:10,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 01:45:10,105 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 3 states. [2019-09-08 01:45:10,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:45:10,190 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2019-09-08 01:45:10,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 01:45:10,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-09-08 01:45:10,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:45:10,193 INFO L225 Difference]: With dead ends: 43 [2019-09-08 01:45:10,193 INFO L226 Difference]: Without dead ends: 41 [2019-09-08 01:45:10,196 INFO L628 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 [2019-09-08 01:45:10,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-09-08 01:45:10,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-09-08 01:45:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-09-08 01:45:10,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2019-09-08 01:45:10,210 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 10 [2019-09-08 01:45:10,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:45:10,211 INFO L475 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2019-09-08 01:45:10,211 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 01:45:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2019-09-08 01:45:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-09-08 01:45:10,212 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:45:10,212 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:45:10,214 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:45:10,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:45:10,214 INFO L82 PathProgramCache]: Analyzing trace with hash 2097539711, now seen corresponding path program 1 times [2019-09-08 01:45:10,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:45:10,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:45:10,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:45:10,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:45:10,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:45:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:45:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:45:10,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:45:10,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 01:45:10,330 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 01:45:10,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 01:45:10,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 01:45:10,331 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 4 states. [2019-09-08 01:45:10,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:45:10,423 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2019-09-08 01:45:10,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 01:45:10,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-09-08 01:45:10,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:45:10,426 INFO L225 Difference]: With dead ends: 67 [2019-09-08 01:45:10,427 INFO L226 Difference]: Without dead ends: 65 [2019-09-08 01:45:10,429 INFO L628 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 [2019-09-08 01:45:10,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-09-08 01:45:10,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 39. [2019-09-08 01:45:10,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-09-08 01:45:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2019-09-08 01:45:10,442 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 11 [2019-09-08 01:45:10,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:45:10,443 INFO L475 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2019-09-08 01:45:10,443 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 01:45:10,443 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2019-09-08 01:45:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-08 01:45:10,444 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:45:10,444 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:45:10,447 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:45:10,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:45:10,448 INFO L82 PathProgramCache]: Analyzing trace with hash -409997773, now seen corresponding path program 1 times [2019-09-08 01:45:10,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:45:10,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:45:10,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:45:10,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:45:10,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:45:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:45:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:45:10,554 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:45:10,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:45:10 BoogieIcfgContainer [2019-09-08 01:45:10,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:45:10,584 INFO L168 Benchmark]: Toolchain (without parser) took 2322.31 ms. Allocated memory was 138.9 MB in the beginning and 222.8 MB in the end (delta: 83.9 MB). Free memory was 83.8 MB in the beginning and 184.2 MB in the end (delta: -100.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:45:10,585 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:45:10,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.75 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 83.6 MB in the beginning and 165.4 MB in the end (delta: -81.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:45:10,587 INFO L168 Benchmark]: Boogie Preprocessor took 62.63 ms. Allocated memory is still 199.8 MB. Free memory was 165.4 MB in the beginning and 162.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:45:10,589 INFO L168 Benchmark]: RCFGBuilder took 653.24 ms. Allocated memory is still 199.8 MB. Free memory was 162.3 MB in the beginning and 118.7 MB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:45:10,590 INFO L168 Benchmark]: TraceAbstraction took 997.89 ms. Allocated memory was 199.8 MB in the beginning and 222.8 MB in the end (delta: 23.1 MB). Free memory was 118.7 MB in the beginning and 184.2 MB in the end (delta: -65.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:45:10,597 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 603.75 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 83.6 MB in the beginning and 165.4 MB in the end (delta: -81.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.63 ms. Allocated memory is still 199.8 MB. Free memory was 165.4 MB in the beginning and 162.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 653.24 ms. Allocated memory is still 199.8 MB. Free memory was 162.3 MB in the beginning and 118.7 MB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 997.89 ms. Allocated memory was 199.8 MB in the beginning and 222.8 MB in the end (delta: 23.1 MB). Free memory was 118.7 MB in the beginning and 184.2 MB in the end (delta: -65.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1020]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L992] SLL* head = malloc(sizeof(SLL)); [L993] head->next = ((void*)0) [L994] head->data = 0 [L996] SLL* x = head; VAL [head={1:0}, malloc(sizeof(SLL))={1:0}, x={1:0}] [L999] COND FALSE !(__VERIFIER_nondet_int()) [L1007] x->data = 1 [L1008] x->next = malloc(sizeof(SLL)) [L1009] EXPR x->next [L1009] x->next->data = 2 [L1011] x = head VAL [head={1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={1:0}, x={1:0}] [L1013] COND FALSE !(!(((void*)0) != x)) VAL [head={1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={1:0}, x={1:0}] [L1015] EXPR x->data VAL [head={1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={1:0}, x={1:0}, x->data=1] [L1015] COND FALSE !(1 != x->data) [L1020] EXPR x->data VAL [head={1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={1:0}, x={1:0}, x->data=1] [L1020] COND TRUE !(2 == x->data) [L1020] __VERIFIER_error() VAL [head={1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={1:0}, x={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 49 locations, 6 error locations. UNSAFE Result, 0.9s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 119 SDtfs, 76 SDslu, 56 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 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 incorrect! Received shutdown request...