java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-properties/alternating_list-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:08:49,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:08:49,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:08:49,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:08:49,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:08:49,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:08:49,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:08:49,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:08:49,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:08:49,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:08:49,421 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:08:49,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:08:49,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:08:49,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:08:49,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:08:49,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:08:49,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:08:49,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:08:49,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:08:49,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:08:49,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:08:49,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:08:49,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:08:49,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:08:49,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:08:49,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:08:49,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:08:49,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:08:49,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:08:49,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:08:49,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:08:49,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:08:49,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:08:49,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:08:49,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:08:49,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:08:49,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:08:49,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:08:49,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:08:49,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:08:49,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:08:49,446 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 [2019-08-14 20:08:49,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:08:49,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:08:49,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:08:49,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:08:49,462 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:08:49,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:08:49,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:08:49,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:08:49,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:08:49,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:08:49,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:08:49,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:08:49,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:08:49,464 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:08:49,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:08:49,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:08:49,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:08:49,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:08:49,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:08:49,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:08:49,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:08:49,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:08:49,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:08:49,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:08:49,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:08:49,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:08:49,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:08:49,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:08:49,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:08:49,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:08:49,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:08:49,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:08:49,512 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:08:49,513 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:08:49,513 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/alternating_list-2.i [2019-08-14 20:08:49,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3ba3eab9/9747f749c4a1415191a3d590d235ae77/FLAGed24ffff6 [2019-08-14 20:08:50,101 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:08:50,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/alternating_list-2.i [2019-08-14 20:08:50,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3ba3eab9/9747f749c4a1415191a3d590d235ae77/FLAGed24ffff6 [2019-08-14 20:08:50,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3ba3eab9/9747f749c4a1415191a3d590d235ae77 [2019-08-14 20:08:50,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:08:50,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:08:50,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:08:50,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:08:50,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:08:50,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:08:50" (1/1) ... [2019-08-14 20:08:50,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237bdf99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:50, skipping insertion in model container [2019-08-14 20:08:50,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:08:50" (1/1) ... [2019-08-14 20:08:50,462 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:08:50,509 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:08:50,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:08:50,958 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:08:51,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:08:51,091 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:08:51,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:51 WrapperNode [2019-08-14 20:08:51,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:08:51,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:08:51,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:08:51,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:08:51,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:51" (1/1) ... [2019-08-14 20:08:51,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:51" (1/1) ... [2019-08-14 20:08:51,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:51" (1/1) ... [2019-08-14 20:08:51,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:51" (1/1) ... [2019-08-14 20:08:51,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:51" (1/1) ... [2019-08-14 20:08:51,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:51" (1/1) ... [2019-08-14 20:08:51,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:51" (1/1) ... [2019-08-14 20:08:51,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:08:51,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:08:51,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:08:51,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:08:51,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:08:51" (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 [2019-08-14 20:08:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:08:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:08:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-14 20:08:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-14 20:08:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-08-14 20:08:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-08-14 20:08:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-08-14 20:08:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-14 20:08:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:08:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:08:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 20:08:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-14 20:08:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-14 20:08:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-14 20:08:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-14 20:08:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-14 20:08:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-14 20:08:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-14 20:08:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-14 20:08:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-14 20:08:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-14 20:08:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-14 20:08:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-14 20:08:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-14 20:08:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-14 20:08:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-14 20:08:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-14 20:08:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-14 20:08:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-14 20:08:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-08-14 20:08:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-08-14 20:08:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-08-14 20:08:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-14 20:08:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-14 20:08:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-14 20:08:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-14 20:08:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-14 20:08:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-14 20:08:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-14 20:08:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-14 20:08:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-14 20:08:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-14 20:08:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-14 20:08:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-14 20:08:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-14 20:08:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-14 20:08:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-14 20:08:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-14 20:08:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-14 20:08:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-14 20:08:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-14 20:08:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-14 20:08:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-14 20:08:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-14 20:08:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-14 20:08:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-14 20:08:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-14 20:08:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-14 20:08:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-14 20:08:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-14 20:08:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-14 20:08:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-14 20:08:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-14 20:08:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-14 20:08:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-14 20:08:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-14 20:08:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-14 20:08:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-14 20:08:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-14 20:08:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-14 20:08:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-14 20:08:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-14 20:08:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-14 20:08:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-14 20:08:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-14 20:08:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-14 20:08:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-14 20:08:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-14 20:08:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 20:08:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-14 20:08:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-14 20:08:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-14 20:08:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-14 20:08:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-14 20:08:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-14 20:08:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-14 20:08:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-14 20:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-14 20:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-14 20:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-14 20:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-14 20:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-14 20:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-14 20:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-14 20:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-14 20:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-14 20:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-14 20:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-14 20:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-14 20:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-14 20:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-14 20:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-14 20:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-14 20:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-14 20:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-14 20:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-14 20:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-14 20:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-14 20:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-14 20:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-14 20:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-14 20:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-14 20:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-14 20:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-14 20:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-14 20:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-14 20:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-14 20:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-14 20:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-14 20:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-14 20:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-14 20:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-14 20:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:08:51,635 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-14 20:08:51,781 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:08:51,781 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-14 20:08:51,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:08:51 BoogieIcfgContainer [2019-08-14 20:08:51,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:08:51,784 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:08:51,784 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:08:51,784 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:08:51,785 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:08:51" (1/1) ... [2019-08-14 20:08:51,966 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-14 20:08:52,628 WARN L188 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 87 [2019-08-14 20:08:52,746 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-14 20:08:52,968 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-08-14 20:08:57,307 WARN L188 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 175 DAG size of output: 143 [2019-08-14 20:08:58,281 WARN L188 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-08-14 20:08:58,446 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-08-14 20:08:58,868 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-14 20:08:59,919 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 87 [2019-08-14 20:09:00,038 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-14 20:09:00,205 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-08-14 20:09:05,436 WARN L188 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 175 DAG size of output: 143 [2019-08-14 20:09:06,122 WARN L188 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-08-14 20:09:06,275 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-08-14 20:09:06,633 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-14 20:09:07,532 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-08-14 20:09:07,786 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-08-14 20:09:08,039 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-08-14 20:09:08,375 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-08-14 20:09:08,631 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-08-14 20:09:08,855 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-08-14 20:09:08,902 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:09:08,903 INFO L168 Benchmark]: Toolchain (without parser) took 18458.71 ms. Allocated memory was 132.1 MB in the beginning and 322.4 MB in the end (delta: 190.3 MB). Free memory was 86.3 MB in the beginning and 174.8 MB in the end (delta: -88.5 MB). Peak memory consumption was 195.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:09:08,904 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:09:08,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.34 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 86.1 MB in the beginning and 165.3 MB in the end (delta: -79.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:09:08,905 INFO L168 Benchmark]: Boogie Preprocessor took 78.84 ms. Allocated memory is still 200.8 MB. Free memory was 165.3 MB in the beginning and 162.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:09:08,906 INFO L168 Benchmark]: RCFGBuilder took 611.44 ms. Allocated memory is still 200.8 MB. Free memory was 162.8 MB in the beginning and 119.1 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. [2019-08-14 20:09:08,909 INFO L168 Benchmark]: Symbolic Interpretation took 17118.26 ms. Allocated memory was 200.8 MB in the beginning and 322.4 MB in the end (delta: 121.6 MB). Free memory was 119.1 MB in the beginning and 174.8 MB in the end (delta: -55.7 MB). Peak memory consumption was 159.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:09:08,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 562]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 285#(or (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~flag~0 0)) (and (not (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~flag~0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.34 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 86.1 MB in the beginning and 165.3 MB in the end (delta: -79.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.84 ms. Allocated memory is still 200.8 MB. Free memory was 165.3 MB in the beginning and 162.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 611.44 ms. Allocated memory is still 200.8 MB. Free memory was 162.8 MB in the beginning and 119.1 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 17118.26 ms. Allocated memory was 200.8 MB in the beginning and 322.4 MB in the end (delta: 121.6 MB). Free memory was 119.1 MB in the beginning and 174.8 MB in the end (delta: -55.7 MB). Peak memory consumption was 159.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...