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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:05:06,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:05:06,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:05:06,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:05:06,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:05:06,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:05:06,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:05:06,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:05:06,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:05:06,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:05:06,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:05:06,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:05:06,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:05:06,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:05:06,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:05:06,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:05:06,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:05:06,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:05:06,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:05:06,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:05:06,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:05:06,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:05:06,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:05:06,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:05:06,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:05:06,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:05:06,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:05:06,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:05:06,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:05:06,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:05:06,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:05:06,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:05:06,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:05:06,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:05:06,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:05:06,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:05:06,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:05:06,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:05:06,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:05:06,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:05:06,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:05:06,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:05:06,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:05:06,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:05:06,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:05:06,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:05:06,189 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:05:06,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:05:06,190 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:05:06,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:05:06,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:05:06,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:05:06,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:05:06,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:05:06,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:05:06,193 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:05:06,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:05:06,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:05:06,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:05:06,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:05:06,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:05:06,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:05:06,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:05:06,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:05:06,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:05:06,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:05:06,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:05:06,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:05:06,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:05:06,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:05:06,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:05:06,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:05:06,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:05:06,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:05:06,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:05:06,540 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:05:06,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-10-13 21:05:06,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74d4ec2a/93ff5cf4725d456e86a71a5e49f68db9/FLAGb9b5e8b8d [2019-10-13 21:05:07,161 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:05:07,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-10-13 21:05:07,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74d4ec2a/93ff5cf4725d456e86a71a5e49f68db9/FLAGb9b5e8b8d [2019-10-13 21:05:07,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74d4ec2a/93ff5cf4725d456e86a71a5e49f68db9 [2019-10-13 21:05:07,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:05:07,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:05:07,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:05:07,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:05:07,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:05:07,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:05:07" (1/1) ... [2019-10-13 21:05:07,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247dfb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07, skipping insertion in model container [2019-10-13 21:05:07,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:05:07" (1/1) ... [2019-10-13 21:05:07,463 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:05:07,509 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:05:07,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:05:07,954 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:05:08,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:05:08,058 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:05:08,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:08 WrapperNode [2019-10-13 21:05:08,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:05:08,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:05:08,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:05:08,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:05:08,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:08" (1/1) ... [2019-10-13 21:05:08,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:08" (1/1) ... [2019-10-13 21:05:08,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:08" (1/1) ... [2019-10-13 21:05:08,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:08" (1/1) ... [2019-10-13 21:05:08,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:08" (1/1) ... [2019-10-13 21:05:08,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:08" (1/1) ... [2019-10-13 21:05:08,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:08" (1/1) ... [2019-10-13 21:05:08,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:05:08,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:05:08,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:05:08,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:05:08,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:08" (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 [2019-10-13 21:05:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:05:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:05:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-13 21:05:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-13 21:05:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-13 21:05:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-13 21:05:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-10-13 21:05:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-10-13 21:05:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-10-13 21:05:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-10-13 21:05:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:05:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:05:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-13 21:05:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-13 21:05:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-13 21:05:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-13 21:05:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-13 21:05:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-13 21:05:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-13 21:05:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-13 21:05:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-13 21:05:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-13 21:05:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-13 21:05:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-13 21:05:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-13 21:05:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-13 21:05:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-13 21:05:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-13 21:05:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-13 21:05:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-13 21:05:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-13 21:05:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-13 21:05:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-13 21:05:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-13 21:05:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-13 21:05:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-13 21:05:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-13 21:05:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-13 21:05:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-13 21:05:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-13 21:05:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-13 21:05:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-13 21:05:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-13 21:05:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-13 21:05:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-13 21:05:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-13 21:05:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-13 21:05:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-13 21:05:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-13 21:05:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-13 21:05:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-13 21:05:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-13 21:05:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-13 21:05:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-13 21:05:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-13 21:05:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-13 21:05:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-13 21:05:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-13 21:05:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-13 21:05:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-13 21:05:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-13 21:05:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-13 21:05:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-13 21:05:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-13 21:05:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:05:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 21:05:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-13 21:05:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:05:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-13 21:05:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-13 21:05:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-13 21:05:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-13 21:05:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-13 21:05:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 21:05:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-13 21:05:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-13 21:05:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-13 21:05:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:05:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-13 21:05:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-13 21:05:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-13 21:05:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-13 21:05:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-13 21:05:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-13 21:05:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-13 21:05:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-13 21:05:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-13 21:05:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-13 21:05:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-13 21:05:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-13 21:05:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-13 21:05:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-13 21:05:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-13 21:05:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-13 21:05:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-13 21:05:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-13 21:05:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-13 21:05:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-13 21:05:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-13 21:05:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-13 21:05:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-13 21:05:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-13 21:05:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-13 21:05:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-13 21:05:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-13 21:05:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-13 21:05:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-13 21:05:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-13 21:05:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-13 21:05:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-13 21:05:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-13 21:05:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-13 21:05:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-13 21:05:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-13 21:05:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-13 21:05:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-13 21:05:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-13 21:05:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-13 21:05:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-13 21:05:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:05:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:05:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:05:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-10-13 21:05:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-10-13 21:05:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:05:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:05:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-10-13 21:05:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:05:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-10-13 21:05:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:05:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:05:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:05:08,639 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-13 21:05:08,784 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:05:08,784 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-13 21:05:08,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:05:08 BoogieIcfgContainer [2019-10-13 21:05:08,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:05:08,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:05:08,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:05:08,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:05:08,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:05:07" (1/3) ... [2019-10-13 21:05:08,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9c4365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:05:08, skipping insertion in model container [2019-10-13 21:05:08,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:08" (2/3) ... [2019-10-13 21:05:08,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9c4365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:05:08, skipping insertion in model container [2019-10-13 21:05:08,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:05:08" (3/3) ... [2019-10-13 21:05:08,807 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all.i [2019-10-13 21:05:08,819 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:05:08,830 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:05:08,842 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:05:08,885 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:05:08,885 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:05:08,886 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:05:08,886 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:05:08,886 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:05:08,886 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:05:08,887 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:05:08,887 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:05:08,913 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-10-13 21:05:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-13 21:05:08,925 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:05:08,927 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:05:08,929 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:05:08,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:08,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2019-10-13 21:05:08,946 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:05:08,946 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39737109] [2019-10-13 21:05:08,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:08,947 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:08,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:05:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:05:09,099 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39737109] [2019-10-13 21:05:09,100 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:05:09,100 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:05:09,100 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862099054] [2019-10-13 21:05:09,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:05:09,107 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:05:09,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:05:09,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:05:09,126 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-10-13 21:05:09,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:05:09,155 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2019-10-13 21:05:09,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:05:09,157 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2019-10-13 21:05:09,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:05:09,167 INFO L225 Difference]: With dead ends: 90 [2019-10-13 21:05:09,168 INFO L226 Difference]: Without dead ends: 42 [2019-10-13 21:05:09,171 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:05:09,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-10-13 21:05:09,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-10-13 21:05:09,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-10-13 21:05:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2019-10-13 21:05:09,217 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 25 [2019-10-13 21:05:09,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:05:09,218 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2019-10-13 21:05:09,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:05:09,218 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2019-10-13 21:05:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-13 21:05:09,221 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:05:09,221 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:05:09,222 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:05:09,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:09,223 INFO L82 PathProgramCache]: Analyzing trace with hash -404189262, now seen corresponding path program 1 times [2019-10-13 21:05:09,223 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:05:09,224 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284061179] [2019-10-13 21:05:09,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:09,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:09,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:05:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:09,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:05:09,358 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284061179] [2019-10-13 21:05:09,358 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:05:09,358 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:05:09,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759493549] [2019-10-13 21:05:09,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:05:09,361 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:05:09,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:05:09,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:05:09,362 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2019-10-13 21:05:09,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:05:09,452 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2019-10-13 21:05:09,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:05:09,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-13 21:05:09,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:05:09,455 INFO L225 Difference]: With dead ends: 71 [2019-10-13 21:05:09,455 INFO L226 Difference]: Without dead ends: 46 [2019-10-13 21:05:09,457 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:05:09,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-13 21:05:09,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2019-10-13 21:05:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-13 21:05:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2019-10-13 21:05:09,470 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 25 [2019-10-13 21:05:09,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:05:09,471 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2019-10-13 21:05:09,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:05:09,471 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2019-10-13 21:05:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-13 21:05:09,472 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:05:09,472 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:05:09,473 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:05:09,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:09,473 INFO L82 PathProgramCache]: Analyzing trace with hash 965527869, now seen corresponding path program 1 times [2019-10-13 21:05:09,473 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:05:09,474 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141009677] [2019-10-13 21:05:09,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:09,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:09,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:05:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:05:09,630 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141009677] [2019-10-13 21:05:09,630 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891186612] [2019-10-13 21:05:09,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:05:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:09,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 21:05:09,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:05:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:05:09,855 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:05:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:05:10,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1103177779] [2019-10-13 21:05:10,046 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 35 [2019-10-13 21:05:10,100 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:05:10,102 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:05:10,187 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:05:10,189 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Performed 47 root evaluator evaluations with a maximum evaluation depth of 4. Performed 47 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 29 variables. [2019-10-13 21:05:10,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:10,194 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:05:10,238 INFO L227 lantSequenceWeakener]: Weakened 10 states. On average, predicates are now at 80.33% of their original sizes. [2019-10-13 21:05:10,238 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:05:10,271 INFO L553 sIntCurrentIteration]: We unified 33 AI predicates to 33 [2019-10-13 21:05:10,271 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:05:10,272 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:05:10,272 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 6, 6] total 13 [2019-10-13 21:05:10,272 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344296914] [2019-10-13 21:05:10,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:05:10,274 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:05:10,274 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:05:10,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:05:10,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:05:10,275 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 7 states. [2019-10-13 21:05:10,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:05:10,306 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2019-10-13 21:05:10,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:05:10,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-10-13 21:05:10,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:05:10,307 INFO L225 Difference]: With dead ends: 45 [2019-10-13 21:05:10,307 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:05:10,308 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:05:10,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:05:10,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:05:10,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:05:10,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:05:10,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-10-13 21:05:10,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:05:10,309 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:05:10,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:05:10,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:05:10,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:05:10,510 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:05:10,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:05:10,659 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:05:10,659 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:05:10,659 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:05:10,660 INFO L446 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2019-10-13 21:05:10,660 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2019-10-13 21:05:10,660 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2019-10-13 21:05:10,660 INFO L443 ceAbstractionStarter]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2019-10-13 21:05:10,660 INFO L446 ceAbstractionStarter]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2019-10-13 21:05:10,660 INFO L446 ceAbstractionStarter]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: true [2019-10-13 21:05:10,660 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2019-10-13 21:05:10,660 INFO L443 ceAbstractionStarter]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2019-10-13 21:05:10,661 INFO L446 ceAbstractionStarter]: At program point L596-2(lines 596 599) the Hoare annotation is: true [2019-10-13 21:05:10,661 INFO L443 ceAbstractionStarter]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2019-10-13 21:05:10,661 INFO L443 ceAbstractionStarter]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2019-10-13 21:05:10,661 INFO L446 ceAbstractionStarter]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: true [2019-10-13 21:05:10,661 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2019-10-13 21:05:10,661 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2019-10-13 21:05:10,661 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2019-10-13 21:05:10,662 INFO L439 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: (or (and (= sll_create_~data 1) (= sll_create_~head~0.base 0) (= sll_create_~len 2) (= sll_create_~head~0.offset 0)) (not (= |sll_create_#in~len| 2)) (not (= |sll_create_#in~data| 1))) [2019-10-13 21:05:10,662 INFO L443 ceAbstractionStarter]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2019-10-13 21:05:10,662 INFO L443 ceAbstractionStarter]: For program point L575-1(line 575) no Hoare annotation was computed. [2019-10-13 21:05:10,662 INFO L443 ceAbstractionStarter]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2019-10-13 21:05:10,662 INFO L439 ceAbstractionStarter]: At program point L574-3(lines 574 578) the Hoare annotation is: (or (not (= |sll_create_#in~len| 2)) (not (= |sll_create_#in~data| 1)) (and (= sll_create_~data 1) (= sll_create_~head~0.base 0) (= sll_create_~len 2) (= sll_create_~head~0.offset 0))) [2019-10-13 21:05:10,662 INFO L443 ceAbstractionStarter]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2019-10-13 21:05:10,663 INFO L446 ceAbstractionStarter]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: true [2019-10-13 21:05:10,663 INFO L443 ceAbstractionStarter]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2019-10-13 21:05:10,663 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2019-10-13 21:05:10,663 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2019-10-13 21:05:10,663 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2019-10-13 21:05:10,663 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:05:10,663 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 21:05:10,663 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:05:10,664 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:05:10,664 INFO L446 ceAbstractionStarter]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2019-10-13 21:05:10,664 INFO L443 ceAbstractionStarter]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2019-10-13 21:05:10,664 INFO L446 ceAbstractionStarter]: At program point L589-2(lines 589 592) the Hoare annotation is: true [2019-10-13 21:05:10,664 INFO L443 ceAbstractionStarter]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2019-10-13 21:05:10,664 INFO L443 ceAbstractionStarter]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2019-10-13 21:05:10,664 INFO L439 ceAbstractionStarter]: At program point L609(line 609) the Hoare annotation is: false [2019-10-13 21:05:10,665 INFO L443 ceAbstractionStarter]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2019-10-13 21:05:10,665 INFO L443 ceAbstractionStarter]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2019-10-13 21:05:10,665 INFO L439 ceAbstractionStarter]: At program point L611-3(lines 611 616) the Hoare annotation is: false [2019-10-13 21:05:10,665 INFO L446 ceAbstractionStarter]: At program point L611-4(lines 611 616) the Hoare annotation is: true [2019-10-13 21:05:10,665 INFO L439 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (and (= main_~data~0 1) (= main_~len~0 2)) [2019-10-13 21:05:10,666 INFO L439 ceAbstractionStarter]: At program point L607-2(lines 607 610) the Hoare annotation is: false [2019-10-13 21:05:10,666 INFO L443 ceAbstractionStarter]: For program point L605-1(line 605) no Hoare annotation was computed. [2019-10-13 21:05:10,666 INFO L443 ceAbstractionStarter]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2019-10-13 21:05:10,666 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2019-10-13 21:05:10,666 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2019-10-13 21:05:10,666 INFO L439 ceAbstractionStarter]: At program point L614(lines 602 621) the Hoare annotation is: false [2019-10-13 21:05:10,667 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2019-10-13 21:05:10,667 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 602 621) the Hoare annotation is: true [2019-10-13 21:05:10,667 INFO L443 ceAbstractionStarter]: For program point L617(line 617) no Hoare annotation was computed. [2019-10-13 21:05:10,667 INFO L439 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: false [2019-10-13 21:05:10,667 INFO L443 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2019-10-13 21:05:10,667 INFO L443 ceAbstractionStarter]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2019-10-13 21:05:10,667 INFO L446 ceAbstractionStarter]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: true [2019-10-13 21:05:10,668 INFO L443 ceAbstractionStarter]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2019-10-13 21:05:10,668 INFO L446 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: true [2019-10-13 21:05:10,668 INFO L443 ceAbstractionStarter]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2019-10-13 21:05:10,668 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 567) no Hoare annotation was computed. [2019-10-13 21:05:10,668 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2019-10-13 21:05:10,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:05:10 BoogieIcfgContainer [2019-10-13 21:05:10,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:05:10,694 INFO L168 Benchmark]: Toolchain (without parser) took 3240.93 ms. Allocated memory was 136.8 MB in the beginning and 230.2 MB in the end (delta: 93.3 MB). Free memory was 100.8 MB in the beginning and 102.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,698 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.29 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 166.2 MB in the end (delta: -65.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,704 INFO L168 Benchmark]: Boogie Preprocessor took 80.38 ms. Allocated memory is still 200.3 MB. Free memory was 166.2 MB in the beginning and 162.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,706 INFO L168 Benchmark]: RCFGBuilder took 645.31 ms. Allocated memory is still 200.3 MB. Free memory was 162.8 MB in the beginning and 116.0 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,713 INFO L168 Benchmark]: TraceAbstraction took 1898.24 ms. Allocated memory was 200.3 MB in the beginning and 230.2 MB in the end (delta: 29.9 MB). Free memory was 116.0 MB in the beginning and 102.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 610.29 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 166.2 MB in the end (delta: -65.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.38 ms. Allocated memory is still 200.3 MB. Free memory was 166.2 MB in the beginning and 162.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 645.31 ms. Allocated memory is still 200.3 MB. Free memory was 162.8 MB in the beginning and 116.0 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1898.24 ms. Allocated memory was 200.3 MB in the beginning and 230.2 MB in the end (delta: 29.9 MB). Free memory was 116.0 MB in the beginning and 102.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: (!(\old(len) == 2) || !(\old(data) == 1)) || (((data == 1 && head == 0) && len == 2) && head == 0) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 62 locations, 1 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 110 SDtfs, 19 SDslu, 135 SDs, 0 SdLazy, 24 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 36 PreInvPairs, 39 NumberOfFragments, 72 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 7233 SizeOfPredicates, 2 NumberOfNonLiveVariables, 157 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 148, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9212121212121211, AVG_VARS_REMOVED_DURING_WEAKENING: 1.2424242424242424, AVG_WEAKENED_CONJUNCTS: 1.121212121212121, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...