/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_overflow.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:17:23,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:17:23,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:17:23,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 05:17:23,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 05:17:23,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 05:17:23,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 05:17:23,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 05:17:23,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 05:17:23,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 05:17:23,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 05:17:23,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 05:17:23,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:17:23,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:17:23,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:17:23,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:17:23,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:17:23,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:17:23,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:17:23,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:17:23,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:17:23,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:17:23,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:17:23,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:17:23,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 05:17:23,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 05:17:23,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 05:17:23,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 05:17:23,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 05:17:23,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 05:17:23,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 05:17:23,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 05:17:23,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 05:17:23,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 05:17:23,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 05:17:23,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 05:17:23,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 05:17:23,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 05:17:23,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:17:23,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:17:23,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:17:23,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 05:17:23,991 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:17:23,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:17:23,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:17:24,006 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:17:24,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:17:24,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:17:24,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:17:24,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:17:24,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:17:24,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:17:24,008 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:17:24,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:17:24,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:17:24,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:17:24,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:17:24,009 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:17:24,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:17:24,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:17:24,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:17:24,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:17:24,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:17:24,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:17:24,011 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:17:24,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:17:24,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:17:24,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:17:24,432 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:17:24,432 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:17:24,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_overflow.i [2020-11-07 05:17:24,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e9ede5b/0624c6e5d9f64332a706cb8ae15606fd/FLAGf03533659 [2020-11-07 05:17:25,303 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:17:25,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_overflow.i [2020-11-07 05:17:25,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e9ede5b/0624c6e5d9f64332a706cb8ae15606fd/FLAGf03533659 [2020-11-07 05:17:25,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e9ede5b/0624c6e5d9f64332a706cb8ae15606fd [2020-11-07 05:17:25,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:17:25,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:17:25,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:17:25,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:17:25,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:17:25,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:17:25" (1/1) ... [2020-11-07 05:17:25,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425e1a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:25, skipping insertion in model container [2020-11-07 05:17:25,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:17:25" (1/1) ... [2020-11-07 05:17:25,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:17:25,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:17:26,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:17:26,020 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:17:26,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:17:26,209 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:17:26,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:26 WrapperNode [2020-11-07 05:17:26,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:17:26,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:17:26,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:17:26,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:17:26,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:26" (1/1) ... [2020-11-07 05:17:26,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:26" (1/1) ... [2020-11-07 05:17:26,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:26" (1/1) ... [2020-11-07 05:17:26,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:26" (1/1) ... [2020-11-07 05:17:26,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:26" (1/1) ... [2020-11-07 05:17:26,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:26" (1/1) ... [2020-11-07 05:17:26,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:26" (1/1) ... [2020-11-07 05:17:26,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:17:26,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:17:26,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:17:26,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:17:26,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:26" (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 [2020-11-07 05:17:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:17:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:17:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:17:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-11-07 05:17:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:17:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getService [2020-11-07 05:17:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:17:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:17:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:17:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:17:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-07 05:17:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-07 05:17:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-07 05:17:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-07 05:17:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-07 05:17:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-07 05:17:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-07 05:17:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-07 05:17:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-07 05:17:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-07 05:17:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-07 05:17:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-07 05:17:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-07 05:17:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-07 05:17:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-07 05:17:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-07 05:17:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-07 05:17:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-07 05:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-07 05:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-07 05:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-07 05:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-07 05:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-07 05:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-07 05:17:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-07 05:17:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-07 05:17:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-07 05:17:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-07 05:17:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-07 05:17:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-07 05:17:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-07 05:17:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-07 05:17:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-07 05:17:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-07 05:17:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-07 05:17:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-07 05:17:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-07 05:17:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-07 05:17:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-07 05:17:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-07 05:17:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-07 05:17:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-07 05:17:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-07 05:17:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-07 05:17:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-07 05:17:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-07 05:17:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-07 05:17:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-07 05:17:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-07 05:17:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-07 05:17:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 05:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-07 05:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-07 05:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 05:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-11-07 05:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-07 05:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-07 05:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-07 05:17:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-07 05:17:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-07 05:17:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:17:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-07 05:17:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-07 05:17:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2020-11-07 05:17:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-07 05:17:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-07 05:17:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-07 05:17:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-07 05:17:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-07 05:17:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-07 05:17:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-07 05:17:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-07 05:17:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-07 05:17:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-07 05:17:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-07 05:17:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-07 05:17:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-07 05:17:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-07 05:17:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-07 05:17:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-07 05:17:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-07 05:17:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-07 05:17:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-07 05:17:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-07 05:17:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-07 05:17:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-07 05:17:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-07 05:17:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-07 05:17:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-07 05:17:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-07 05:17:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-07 05:17:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-07 05:17:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-07 05:17:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-07 05:17:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-07 05:17:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-07 05:17:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-07 05:17:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-07 05:17:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2020-11-07 05:17:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-07 05:17:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-11-07 05:17:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-11-07 05:17:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-11-07 05:17:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-11-07 05:17:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-11-07 05:17:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-11-07 05:17:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-11-07 05:17:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-11-07 05:17:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-11-07 05:17:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-11-07 05:17:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-11-07 05:17:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-11-07 05:17:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-11-07 05:17:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-11-07 05:17:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-11-07 05:17:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-11-07 05:17:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-11-07 05:17:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-11-07 05:17:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-11-07 05:17:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-11-07 05:17:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-11-07 05:17:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-11-07 05:17:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-11-07 05:17:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-11-07 05:17:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-11-07 05:17:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-11-07 05:17:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-11-07 05:17:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-11-07 05:17:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-11-07 05:17:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-11-07 05:17:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-11-07 05:17:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-11-07 05:17:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-11-07 05:17:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-11-07 05:17:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-11-07 05:17:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-11-07 05:17:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-11-07 05:17:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-11-07 05:17:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 05:17:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-11-07 05:17:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-11-07 05:17:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-11-07 05:17:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-11-07 05:17:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-11-07 05:17:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-11-07 05:17:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-11-07 05:17:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-11-07 05:17:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-11-07 05:17:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-11-07 05:17:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-11-07 05:17:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-11-07 05:17:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-11-07 05:17:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-11-07 05:17:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-11-07 05:17:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-11-07 05:17:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-11-07 05:17:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-11-07 05:17:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-11-07 05:17:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-11-07 05:17:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-11-07 05:17:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-11-07 05:17:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-11-07 05:17:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-11-07 05:17:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-11-07 05:17:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-11-07 05:17:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-11-07 05:17:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-11-07 05:17:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-11-07 05:17:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-11-07 05:17:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-11-07 05:17:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-11-07 05:17:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-11-07 05:17:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-11-07 05:17:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-07 05:17:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-11-07 05:17:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-11-07 05:17:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-11-07 05:17:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-11-07 05:17:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-11-07 05:17:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-11-07 05:17:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-11-07 05:17:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-11-07 05:17:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-11-07 05:17:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-11-07 05:17:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-11-07 05:17:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-11-07 05:17:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-11-07 05:17:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-11-07 05:17:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-11-07 05:17:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-11-07 05:17:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-11-07 05:17:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-11-07 05:17:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-11-07 05:17:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-11-07 05:17:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-11-07 05:17:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-11-07 05:17:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-11-07 05:17:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-11-07 05:17:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-11-07 05:17:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-11-07 05:17:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-11-07 05:17:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-11-07 05:17:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure getService [2020-11-07 05:17:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:17:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:17:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:17:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:17:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:17:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:17:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:17:26,945 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:17:26,945 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-07 05:17:26,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:17:26 BoogieIcfgContainer [2020-11-07 05:17:26,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:17:26,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:17:26,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:17:26,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:17:26,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:17:25" (1/3) ... [2020-11-07 05:17:26,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7dbbb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:17:26, skipping insertion in model container [2020-11-07 05:17:26,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:26" (2/3) ... [2020-11-07 05:17:26,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7dbbb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:17:26, skipping insertion in model container [2020-11-07 05:17:26,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:17:26" (3/3) ... [2020-11-07 05:17:26,956 INFO L111 eAbstractionObserver]: Analyzing ICFG test_overflow.i [2020-11-07 05:17:26,971 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:17:26,974 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:17:26,986 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:17:27,005 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:17:27,005 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:17:27,005 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:17:27,005 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:17:27,005 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:17:27,006 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:17:27,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:17:27,006 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:17:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-11-07 05:17:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-07 05:17:27,030 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:17:27,031 INFO L422 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] [2020-11-07 05:17:27,031 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:17:27,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:17:27,037 INFO L82 PathProgramCache]: Analyzing trace with hash -53358734, now seen corresponding path program 1 times [2020-11-07 05:17:27,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:17:27,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240660639] [2020-11-07 05:17:27,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:17:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:17:27,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:17:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:17:27,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 05:17:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:17:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:17:27,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240660639] [2020-11-07 05:17:27,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:17:27,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:17:27,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285866973] [2020-11-07 05:17:27,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:17:27,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:17:27,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:17:27,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:17:27,489 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 5 states. [2020-11-07 05:17:27,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:17:27,656 INFO L93 Difference]: Finished difference Result 49 states and 48 transitions. [2020-11-07 05:17:27,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:17:27,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-07 05:17:27,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:17:27,671 INFO L225 Difference]: With dead ends: 49 [2020-11-07 05:17:27,672 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:17:27,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:17:27,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:17:27,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:17:27,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:17:27,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:17:27,717 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2020-11-07 05:17:27,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:17:27,718 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:17:27,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:17:27,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:17:27,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:17:27,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:17:27,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:17:28,054 INFO L269 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-11-07 05:17:28,055 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-07 05:17:28,055 INFO L269 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-11-07 05:17:28,055 INFO L269 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-11-07 05:17:28,055 INFO L262 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2020-11-07 05:17:28,056 INFO L262 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2020-11-07 05:17:28,056 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2020-11-07 05:17:28,056 INFO L262 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2020-11-07 05:17:28,056 INFO L262 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2020-11-07 05:17:28,056 INFO L262 CegarLoopResult]: At program point L3-5(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2020-11-07 05:17:28,056 INFO L269 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-11-07 05:17:28,056 INFO L262 CegarLoopResult]: At program point L1629(line 1629) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2020-11-07 05:17:28,057 INFO L262 CegarLoopResult]: At program point L1621(line 1621) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2020-11-07 05:17:28,057 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~globalSize~0 |old(~globalSize~0)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string37.base| |old(#t~string37.base)|)) [2020-11-07 05:17:28,057 INFO L262 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2020-11-07 05:17:28,057 INFO L262 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: (= ~globalSize~0 |old(~globalSize~0)|) [2020-11-07 05:17:28,057 INFO L269 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-11-07 05:17:28,058 INFO L269 CegarLoopResult]: At program point __blast_assertEXIT(lines 1605 1608) the Hoare annotation is: true [2020-11-07 05:17:28,058 INFO L269 CegarLoopResult]: At program point L1607(line 1607) the Hoare annotation is: true [2020-11-07 05:17:28,058 INFO L269 CegarLoopResult]: At program point __blast_assertFINAL(lines 1605 1608) the Hoare annotation is: true [2020-11-07 05:17:28,058 INFO L269 CegarLoopResult]: At program point __blast_assertENTRY(lines 1605 1608) the Hoare annotation is: true [2020-11-07 05:17:28,058 INFO L262 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,058 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 05:17:28,058 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-07 05:17:28,059 INFO L262 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,059 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 1616 1623) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2020-11-07 05:17:28,059 INFO L262 CegarLoopResult]: At program point mainEXIT(lines 1616 1623) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,059 INFO L262 CegarLoopResult]: At program point L1622(line 1622) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,059 INFO L262 CegarLoopResult]: At program point L1620(line 1620) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,059 INFO L262 CegarLoopResult]: At program point L1619(line 1619) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2020-11-07 05:17:28,060 INFO L262 CegarLoopResult]: At program point L1618(line 1618) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2020-11-07 05:17:28,060 INFO L262 CegarLoopResult]: At program point L1619-1(line 1619) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,060 INFO L262 CegarLoopResult]: At program point L1620-2(line 1620) the Hoare annotation is: false [2020-11-07 05:17:28,060 INFO L262 CegarLoopResult]: At program point L1619-2(line 1619) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,060 INFO L262 CegarLoopResult]: At program point L1620-3(line 1620) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,060 INFO L262 CegarLoopResult]: At program point L1616(lines 1616 1623) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2020-11-07 05:17:28,061 INFO L262 CegarLoopResult]: At program point mainFINAL(lines 1616 1623) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,061 INFO L262 CegarLoopResult]: At program point getServiceEXIT(lines 1626 1631) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,061 INFO L262 CegarLoopResult]: At program point L1630(line 1630) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,061 INFO L262 CegarLoopResult]: At program point getServiceENTRY(lines 1626 1631) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2020-11-07 05:17:28,061 INFO L262 CegarLoopResult]: At program point L1629(line 1629) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,061 INFO L262 CegarLoopResult]: At program point getServiceFINAL(lines 1626 1631) the Hoare annotation is: (= 4 ~globalSize~0) [2020-11-07 05:17:28,062 INFO L262 CegarLoopResult]: At program point L1628(line 1628) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2020-11-07 05:17:28,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 05:17:28 BoogieIcfgContainer [2020-11-07 05:17:28,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 05:17:28,081 INFO L168 Benchmark]: Toolchain (without parser) took 2539.96 ms. Allocated memory is still 172.0 MB. Free memory was 147.3 MB in the beginning and 84.1 MB in the end (delta: 63.2 MB). Peak memory consumption was 64.6 MB. Max. memory is 8.0 GB. [2020-11-07 05:17:28,082 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory is still 103.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 05:17:28,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.45 ms. Allocated memory is still 172.0 MB. Free memory was 146.7 MB in the beginning and 138.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 29.1 MB. Max. memory is 8.0 GB. [2020-11-07 05:17:28,084 INFO L168 Benchmark]: Boogie Preprocessor took 61.70 ms. Allocated memory is still 172.0 MB. Free memory was 138.1 MB in the beginning and 135.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-11-07 05:17:28,085 INFO L168 Benchmark]: RCFGBuilder took 674.15 ms. Allocated memory is still 172.0 MB. Free memory was 135.0 MB in the beginning and 122.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 8.0 GB. [2020-11-07 05:17:28,086 INFO L168 Benchmark]: TraceAbstraction took 1129.74 ms. Allocated memory is still 172.0 MB. Free memory was 121.9 MB in the beginning and 84.1 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. [2020-11-07 05:17:28,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 125.8 MB. Free memory is still 103.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 663.45 ms. Allocated memory is still 172.0 MB. Free memory was 146.7 MB in the beginning and 138.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 29.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 61.70 ms. Allocated memory is still 172.0 MB. Free memory was 138.1 MB in the beginning and 135.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 674.15 ms. Allocated memory is still 172.0 MB. Free memory was 135.0 MB in the beginning and 122.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1129.74 ms. Allocated memory is still 172.0 MB. Free memory was 121.9 MB in the beginning and 84.1 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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 - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 1605]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 1616]: Procedure Contract for main Derived contract for procedure main: 4 == globalSize - ProcedureContractResult [Line: 1626]: Procedure Contract for getService Derived contract for procedure getService: 4 == globalSize - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 20 SDslu, 29 SDs, 0 SdLazy, 34 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 49 NumberOfFragments, 146 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 258 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 2730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...