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-queue-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:42:09,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:42:09,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:42:09,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:42:09,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:42:09,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:42:09,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:42:09,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:42:09,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:42:09,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:42:09,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:42:09,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:42:09,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:42:09,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:42:09,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:42:09,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:42:09,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:42:09,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:42:09,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:42:09,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:42:09,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:42:09,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:42:09,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:42:09,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:42:09,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:42:09,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:42:09,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:42:09,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:42:09,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:42:09,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:42:09,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:42:09,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:42:09,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:42:09,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:42:09,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:42:09,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:42:09,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:42:09,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:42:09,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:42:09,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:42:09,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:42:09,196 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 01:42:09,217 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:42:09,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:42:09,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:42:09,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:42:09,219 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:42:09,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:42:09,220 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:42:09,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:42:09,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:42:09,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:42:09,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:42:09,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:42:09,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:42:09,221 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:42:09,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:42:09,222 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:42:09,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:42:09,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:42:09,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:42:09,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:42:09,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:42:09,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:42:09,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:42:09,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:42:09,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:42:09,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:42:09,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:42:09,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:42:09,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:42:09,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:42:09,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:42:09,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:42:09,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:42:09,275 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:42:09,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue-2.i [2019-09-08 01:42:09,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed615338e/c54212c451634beb9a3c801a1a754c9c/FLAGb104136b5 [2019-09-08 01:42:09,767 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:42:09,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-queue-2.i [2019-09-08 01:42:09,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed615338e/c54212c451634beb9a3c801a1a754c9c/FLAGb104136b5 [2019-09-08 01:42:10,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed615338e/c54212c451634beb9a3c801a1a754c9c [2019-09-08 01:42:10,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:42:10,119 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:42:10,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:42:10,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:42:10,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:42:10,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:42:10" (1/1) ... [2019-09-08 01:42:10,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3a2f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10, skipping insertion in model container [2019-09-08 01:42:10,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:42:10" (1/1) ... [2019-09-08 01:42:10,133 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:42:10,181 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:42:10,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:42:10,673 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:42:10,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:42:10,784 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:42:10,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10 WrapperNode [2019-09-08 01:42:10,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:42:10,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:42:10,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:42:10,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:42:10,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10" (1/1) ... [2019-09-08 01:42:10,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10" (1/1) ... [2019-09-08 01:42:10,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10" (1/1) ... [2019-09-08 01:42:10,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10" (1/1) ... [2019-09-08 01:42:10,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10" (1/1) ... [2019-09-08 01:42:10,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10" (1/1) ... [2019-09-08 01:42:10,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10" (1/1) ... [2019-09-08 01:42:10,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:42:10,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:42:10,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:42:10,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:42:10,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10" (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 01:42:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:42:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:42:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:42:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-08 01:42:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-08 01:42:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-08 01:42:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-08 01:42:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-08 01:42:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-08 01:42:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-08 01:42:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-08 01:42:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-08 01:42:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-08 01:42:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-08 01:42:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-08 01:42:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-08 01:42:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-08 01:42:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-08 01:42:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-08 01:42:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-08 01:42:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-08 01:42:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-08 01:42:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-08 01:42:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-08 01:42:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-08 01:42:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-08 01:42:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-08 01:42:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-08 01:42:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-08 01:42:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-08 01:42:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-08 01:42:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-08 01:42:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-08 01:42:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-08 01:42:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-08 01:42:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-08 01:42:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-08 01:42:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-08 01:42:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-08 01:42:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-08 01:42:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-08 01:42:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-08 01:42:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-08 01:42:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-08 01:42:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-08 01:42:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-08 01:42:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-08 01:42:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-08 01:42:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-08 01:42:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-08 01:42:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-08 01:42:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-08 01:42:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-08 01:42:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 01:42:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 01:42:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-08 01:42:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 01:42:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-08 01:42:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-08 01:42:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-08 01:42:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-08 01:42:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-08 01:42:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-08 01:42:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-08 01:42:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-08 01:42:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-08 01:42:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-08 01:42:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-08 01:42:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-08 01:42:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-08 01:42:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-08 01:42:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-08 01:42:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-08 01:42:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-08 01:42:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-08 01:42:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-08 01:42:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-08 01:42:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-08 01:42:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-08 01:42:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-08 01:42:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-08 01:42:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-08 01:42:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-08 01:42:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-08 01:42:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-08 01:42:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-08 01:42:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-08 01:42:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-08 01:42:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-08 01:42:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-08 01:42:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-08 01:42:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-08 01:42:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-08 01:42:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-08 01:42:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-08 01:42:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-08 01:42:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-08 01:42:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-08 01:42:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-08 01:42:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-08 01:42:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-08 01:42:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-08 01:42:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-08 01:42:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-08 01:42:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-08 01:42:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-08 01:42:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 01:42:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:42:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:42:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 01:42:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 01:42:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:42:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 01:42:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:42:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:42:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:42:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:42:11,626 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:42:11,626 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-08 01:42:11,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:42:11 BoogieIcfgContainer [2019-09-08 01:42:11,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:42:11,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:42:11,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:42:11,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:42:11,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:42:10" (1/3) ... [2019-09-08 01:42:11,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46820510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:42:11, skipping insertion in model container [2019-09-08 01:42:11,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:42:10" (2/3) ... [2019-09-08 01:42:11,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46820510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:42:11, skipping insertion in model container [2019-09-08 01:42:11,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:42:11" (3/3) ... [2019-09-08 01:42:11,638 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-queue-2.i [2019-09-08 01:42:11,648 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:42:11,661 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2019-09-08 01:42:11,678 INFO L252 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2019-09-08 01:42:11,706 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:42:11,706 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:42:11,706 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:42:11,707 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:42:11,707 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:42:11,707 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:42:11,707 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:42:11,708 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:42:11,708 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:42:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2019-09-08 01:42:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-09-08 01:42:11,736 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:42:11,737 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:42:11,739 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:42:11,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:42:11,745 INFO L82 PathProgramCache]: Analyzing trace with hash 786631415, now seen corresponding path program 1 times [2019-09-08 01:42:11,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:42:11,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:42:11,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:11,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:42:11,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:42:11,894 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 01:42:11,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:42:11,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:42:11,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:42:11,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:42:11,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:42:11,918 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2019-09-08 01:42:11,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:42:11,949 INFO L93 Difference]: Finished difference Result 174 states and 284 transitions. [2019-09-08 01:42:11,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:42:11,951 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-09-08 01:42:11,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:42:11,963 INFO L225 Difference]: With dead ends: 174 [2019-09-08 01:42:11,963 INFO L226 Difference]: Without dead ends: 84 [2019-09-08 01:42:11,967 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 01:42:11,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-09-08 01:42:12,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-09-08 01:42:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-09-08 01:42:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2019-09-08 01:42:12,013 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 9 [2019-09-08 01:42:12,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:42:12,014 INFO L475 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2019-09-08 01:42:12,014 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:42:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2019-09-08 01:42:12,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-08 01:42:12,015 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:42:12,015 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:42:12,016 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:42:12,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:42:12,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1385985618, now seen corresponding path program 1 times [2019-09-08 01:42:12,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:42:12,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:42:12,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:42:12,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:42:12,098 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 01:42:12,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:42:12,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 01:42:12,100 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 01:42:12,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 01:42:12,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 01:42:12,101 INFO L87 Difference]: Start difference. First operand 84 states and 93 transitions. Second operand 3 states. [2019-09-08 01:42:12,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:42:12,166 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2019-09-08 01:42:12,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 01:42:12,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-09-08 01:42:12,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:42:12,168 INFO L225 Difference]: With dead ends: 84 [2019-09-08 01:42:12,168 INFO L226 Difference]: Without dead ends: 74 [2019-09-08 01:42:12,169 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 01:42:12,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-09-08 01:42:12,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-09-08 01:42:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-09-08 01:42:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2019-09-08 01:42:12,178 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 10 [2019-09-08 01:42:12,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:42:12,178 INFO L475 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2019-09-08 01:42:12,178 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 01:42:12,179 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2019-09-08 01:42:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-08 01:42:12,179 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:42:12,179 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:42:12,180 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:42:12,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:42:12,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1923530661, now seen corresponding path program 1 times [2019-09-08 01:42:12,181 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:42:12,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:42:12,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:42:12,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:42:12,246 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 01:42:12,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:42:12,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 01:42:12,247 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 01:42:12,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 01:42:12,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 01:42:12,247 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand 3 states. [2019-09-08 01:42:12,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:42:12,295 INFO L93 Difference]: Finished difference Result 74 states and 83 transitions. [2019-09-08 01:42:12,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 01:42:12,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-09-08 01:42:12,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:42:12,297 INFO L225 Difference]: With dead ends: 74 [2019-09-08 01:42:12,297 INFO L226 Difference]: Without dead ends: 72 [2019-09-08 01:42:12,297 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 01:42:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-09-08 01:42:12,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2019-09-08 01:42:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-09-08 01:42:12,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2019-09-08 01:42:12,306 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 13 [2019-09-08 01:42:12,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:42:12,308 INFO L475 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2019-09-08 01:42:12,308 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 01:42:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2019-09-08 01:42:12,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-08 01:42:12,309 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:42:12,310 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:42:12,310 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:42:12,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:42:12,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1449483421, now seen corresponding path program 1 times [2019-09-08 01:42:12,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:42:12,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:42:12,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:42:12,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:42:12,356 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 01:42:12,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:42:12,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 01:42:12,360 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 01:42:12,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 01:42:12,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 01:42:12,361 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 3 states. [2019-09-08 01:42:12,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:42:12,418 INFO L93 Difference]: Finished difference Result 157 states and 182 transitions. [2019-09-08 01:42:12,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 01:42:12,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-09-08 01:42:12,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:42:12,420 INFO L225 Difference]: With dead ends: 157 [2019-09-08 01:42:12,421 INFO L226 Difference]: Without dead ends: 91 [2019-09-08 01:42:12,422 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 01:42:12,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-09-08 01:42:12,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 80. [2019-09-08 01:42:12,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-09-08 01:42:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2019-09-08 01:42:12,432 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 16 [2019-09-08 01:42:12,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:42:12,432 INFO L475 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2019-09-08 01:42:12,432 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 01:42:12,433 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2019-09-08 01:42:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-09-08 01:42:12,434 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:42:12,434 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:42:12,436 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:42:12,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:42:12,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1095322203, now seen corresponding path program 1 times [2019-09-08 01:42:12,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:42:12,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:42:12,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:42:12,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:42:12,492 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 01:42:12,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:42:12,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 01:42:12,493 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 01:42:12,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 01:42:12,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 01:42:12,494 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand 3 states. [2019-09-08 01:42:12,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:42:12,514 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions. [2019-09-08 01:42:12,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 01:42:12,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-09-08 01:42:12,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:42:12,517 INFO L225 Difference]: With dead ends: 83 [2019-09-08 01:42:12,517 INFO L226 Difference]: Without dead ends: 81 [2019-09-08 01:42:12,518 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 01:42:12,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-09-08 01:42:12,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-09-08 01:42:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-09-08 01:42:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2019-09-08 01:42:12,527 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 21 [2019-09-08 01:42:12,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:42:12,527 INFO L475 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2019-09-08 01:42:12,528 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 01:42:12,528 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2019-09-08 01:42:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-09-08 01:42:12,529 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:42:12,529 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:42:12,530 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:42:12,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:42:12,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1095324125, now seen corresponding path program 1 times [2019-09-08 01:42:12,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:42:12,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:42:12,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:42:12,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:42:12,585 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 01:42:12,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:42:12,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 01:42:12,586 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 01:42:12,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 01:42:12,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 01:42:12,587 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand 4 states. [2019-09-08 01:42:12,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:42:12,649 INFO L93 Difference]: Finished difference Result 101 states and 115 transitions. [2019-09-08 01:42:12,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 01:42:12,650 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2019-09-08 01:42:12,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:42:12,650 INFO L225 Difference]: With dead ends: 101 [2019-09-08 01:42:12,651 INFO L226 Difference]: Without dead ends: 76 [2019-09-08 01:42:12,651 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 01:42:12,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-09-08 01:42:12,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-09-08 01:42:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-09-08 01:42:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-09-08 01:42:12,658 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 21 [2019-09-08 01:42:12,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:42:12,658 INFO L475 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-09-08 01:42:12,658 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 01:42:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-09-08 01:42:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-09-08 01:42:12,659 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:42:12,660 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:42:12,660 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:42:12,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:42:12,661 INFO L82 PathProgramCache]: Analyzing trace with hash -648846271, now seen corresponding path program 1 times [2019-09-08 01:42:12,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:42:12,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:42:12,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:42:12,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:42:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:42:12,711 ERROR L253 erpolLogProxyWrapper]: Interpolant 7 not inductive: (Check returned sat) [2019-09-08 01:42:12,726 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:969) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-08 01:42:12,738 INFO L168 Benchmark]: Toolchain (without parser) took 2615.76 ms. Allocated memory was 143.1 MB in the beginning and 232.3 MB in the end (delta: 89.1 MB). Free memory was 89.6 MB in the beginning and 149.7 MB in the end (delta: -60.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:42:12,739 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:42:12,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.59 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 89.4 MB in the beginning and 165.1 MB in the end (delta: -75.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:42:12,743 INFO L168 Benchmark]: Boogie Preprocessor took 71.42 ms. Allocated memory is still 200.8 MB. Free memory was 165.1 MB in the beginning and 161.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:42:12,744 INFO L168 Benchmark]: RCFGBuilder took 771.67 ms. Allocated memory is still 200.8 MB. Free memory was 161.3 MB in the beginning and 108.3 MB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:42:12,747 INFO L168 Benchmark]: TraceAbstraction took 1103.70 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 108.3 MB in the beginning and 149.7 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:42:12,754 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.59 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 89.4 MB in the beginning and 165.1 MB in the end (delta: -75.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.42 ms. Allocated memory is still 200.8 MB. Free memory was 165.1 MB in the beginning and 161.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 771.67 ms. Allocated memory is still 200.8 MB. Free memory was 161.3 MB in the beginning and 108.3 MB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1103.70 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 108.3 MB in the beginning and 149.7 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:969) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...