/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_overflow.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 16:12:31,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:12:31,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:12:31,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:12:31,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:12:31,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:12:31,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:12:31,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:12:31,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:12:31,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:12:31,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:12:31,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:12:31,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:12:31,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:12:31,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:12:31,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:12:31,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:12:31,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:12:31,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:12:31,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:12:31,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:12:31,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:12:31,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:12:31,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:12:31,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 16:12:31,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 16:12:31,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 16:12:31,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 16:12:31,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 16:12:31,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 16:12:31,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 16:12:31,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 16:12:31,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 16:12:31,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:12:31,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:12:31,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:12:31,933 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 [2021-02-21 16:12:31,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:12:31,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:12:31,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:12:31,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:12:31,993 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:12:31,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:12:31,994 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:12:31,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:12:31,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:12:31,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:12:31,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:12:31,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:12:31,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:12:31,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:12:31,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:12:31,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:12:31,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:12:31,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:12:31,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:12:31,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:12:31,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:12:32,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:12:32,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:12:32,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:12:32,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:12:32,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:12:32,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:12:32,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:12:32,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:12:32,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:12:32,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:12:32,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:12:32,522 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:12:32,523 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:12:32,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_overflow.i [2021-02-21 16:12:32,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8baf9fd6/ed41b714ee854c9a856c51a73d6b4334/FLAG1c25bedfe [2021-02-21 16:12:33,409 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:12:33,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_overflow.i [2021-02-21 16:12:33,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8baf9fd6/ed41b714ee854c9a856c51a73d6b4334/FLAG1c25bedfe [2021-02-21 16:12:33,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8baf9fd6/ed41b714ee854c9a856c51a73d6b4334 [2021-02-21 16:12:33,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:12:33,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:12:33,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:12:33,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:12:33,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:12:33,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:12:33" (1/1) ... [2021-02-21 16:12:33,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e2aa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:33, skipping insertion in model container [2021-02-21 16:12:33,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:12:33" (1/1) ... [2021-02-21 16:12:33,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:12:33,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:12:34,092 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_overflow.i[33387,33400] [2021-02-21 16:12:34,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:12:34,119 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:12:34,202 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_overflow.i[33387,33400] [2021-02-21 16:12:34,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:12:34,326 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:12:34,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:34 WrapperNode [2021-02-21 16:12:34,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:12:34,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:12:34,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:12:34,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:12:34,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:34" (1/1) ... [2021-02-21 16:12:34,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:34" (1/1) ... [2021-02-21 16:12:34,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:34" (1/1) ... [2021-02-21 16:12:34,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:34" (1/1) ... [2021-02-21 16:12:34,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:34" (1/1) ... [2021-02-21 16:12:34,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:34" (1/1) ... [2021-02-21 16:12:34,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:34" (1/1) ... [2021-02-21 16:12:34,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:12:34,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:12:34,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:12:34,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:12:34,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:34" (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 [2021-02-21 16:12:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:12:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:12:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:12:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-21 16:12:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-21 16:12:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-21 16:12:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-21 16:12:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-21 16:12:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-21 16:12:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:12:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getService [2021-02-21 16:12:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:12:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:12:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:12:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:12:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-21 16:12:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-21 16:12:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-21 16:12:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-21 16:12:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-21 16:12:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-21 16:12:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-21 16:12:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-21 16:12:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-21 16:12:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-21 16:12:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-21 16:12:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-21 16:12:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-21 16:12:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-21 16:12:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-21 16:12:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-21 16:12:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-21 16:12:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-21 16:12:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-21 16:12:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-21 16:12:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-21 16:12:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-21 16:12:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-21 16:12:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-21 16:12:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-21 16:12:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-21 16:12:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-21 16:12:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-21 16:12:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-21 16:12:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-21 16:12:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-21 16:12:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-21 16:12:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-21 16:12:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-21 16:12:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-21 16:12:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-21 16:12:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-21 16:12:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-21 16:12:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-21 16:12:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-21 16:12:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-21 16:12:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-21 16:12:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-21 16:12:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-21 16:12:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-21 16:12:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-21 16:12:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-21 16:12:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-21 16:12:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-21 16:12:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-21 16:12:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-21 16:12:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-21 16:12:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-21 16:12:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-21 16:12:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-21 16:12:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 16:12:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 16:12:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-21 16:12:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 16:12:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-21 16:12:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-21 16:12:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-21 16:12:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-21 16:12:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-21 16:12:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-21 16:12:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-21 16:12:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-21 16:12:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-21 16:12:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-21 16:12:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-21 16:12:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-21 16:12:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-21 16:12:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-21 16:12:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-21 16:12:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-21 16:12:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-21 16:12:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-21 16:12:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-21 16:12:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-21 16:12:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-21 16:12:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-21 16:12:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-21 16:12:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-21 16:12:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-21 16:12:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-21 16:12:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-21 16:12:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-21 16:12:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-21 16:12:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-21 16:12:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-21 16:12:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-21 16:12:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-21 16:12:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-21 16:12:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-21 16:12:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-21 16:12:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-21 16:12:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-21 16:12:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-21 16:12:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-21 16:12:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-21 16:12:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-21 16:12:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-21 16:12:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-21 16:12:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-21 16:12:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-21 16:12:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-21 16:12:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-02-21 16:12:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-02-21 16:12:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-02-21 16:12:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-02-21 16:12:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-02-21 16:12:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-02-21 16:12:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-02-21 16:12:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-02-21 16:12:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-02-21 16:12:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-02-21 16:12:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-02-21 16:12:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-02-21 16:12:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-02-21 16:12:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-02-21 16:12:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-02-21 16:12:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-02-21 16:12:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-02-21 16:12:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-02-21 16:12:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-02-21 16:12:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-02-21 16:12:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-02-21 16:12:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-02-21 16:12:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-02-21 16:12:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-02-21 16:12:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-02-21 16:12:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-02-21 16:12:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-02-21 16:12:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-02-21 16:12:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-02-21 16:12:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-02-21 16:12:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-02-21 16:12:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-02-21 16:12:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-02-21 16:12:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-02-21 16:12:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-02-21 16:12:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-02-21 16:12:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-02-21 16:12:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-02-21 16:12:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 16:12:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-02-21 16:12:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-02-21 16:12:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-02-21 16:12:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-02-21 16:12:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-21 16:12:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-02-21 16:12:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-02-21 16:12:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-02-21 16:12:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-02-21 16:12:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-02-21 16:12:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-02-21 16:12:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-02-21 16:12:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-02-21 16:12:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-02-21 16:12:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-02-21 16:12:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-02-21 16:12:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-02-21 16:12:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-02-21 16:12:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-02-21 16:12:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-02-21 16:12:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-02-21 16:12:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-02-21 16:12:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-02-21 16:12:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-02-21 16:12:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-02-21 16:12:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-02-21 16:12:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-02-21 16:12:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-02-21 16:12:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-02-21 16:12:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-02-21 16:12:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-02-21 16:12:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-02-21 16:12:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-02-21 16:12:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-21 16:12:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-02-21 16:12:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-02-21 16:12:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-02-21 16:12:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-02-21 16:12:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-02-21 16:12:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-02-21 16:12:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-02-21 16:12:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-02-21 16:12:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-02-21 16:12:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-02-21 16:12:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-02-21 16:12:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-02-21 16:12:34,560 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-02-21 16:12:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-02-21 16:12:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-02-21 16:12:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-02-21 16:12:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-02-21 16:12:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-02-21 16:12:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-02-21 16:12:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-02-21 16:12:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-02-21 16:12:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-02-21 16:12:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-02-21 16:12:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-02-21 16:12:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-02-21 16:12:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-02-21 16:12:34,562 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-02-21 16:12:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-21 16:12:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure getService [2021-02-21 16:12:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:12:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:12:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:12:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:12:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:12:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:12:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:12:35,170 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:12:35,170 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 16:12:35,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:12:35 BoogieIcfgContainer [2021-02-21 16:12:35,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:12:35,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:12:35,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:12:35,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:12:35,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:12:33" (1/3) ... [2021-02-21 16:12:35,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b75ceb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:12:35, skipping insertion in model container [2021-02-21 16:12:35,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:12:34" (2/3) ... [2021-02-21 16:12:35,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b75ceb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:12:35, skipping insertion in model container [2021-02-21 16:12:35,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:12:35" (3/3) ... [2021-02-21 16:12:35,182 INFO L111 eAbstractionObserver]: Analyzing ICFG test_overflow.i [2021-02-21 16:12:35,189 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:12:35,193 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:12:35,212 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 16:12:35,239 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:12:35,240 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:12:35,240 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:12:35,240 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:12:35,240 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:12:35,240 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:12:35,240 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:12:35,241 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:12:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2021-02-21 16:12:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-21 16:12:35,263 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:12:35,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:12:35,264 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:12:35,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:12:35,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1984674470, now seen corresponding path program 1 times [2021-02-21 16:12:35,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:12:35,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531532947] [2021-02-21 16:12:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:12:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:12:35,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:35,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:12:35,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:35,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:12:35,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:35,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:12:35,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:12:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:12:35,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:35,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:12:35,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:12:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:12:35,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:12:35,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:12:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:12:35,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531532947] [2021-02-21 16:12:35,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:12:35,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 16:12:35,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498752235] [2021-02-21 16:12:35,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 16:12:35,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:12:35,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 16:12:35,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:12:35,695 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 5 states. [2021-02-21 16:12:35,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:12:35,773 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2021-02-21 16:12:35,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:12:35,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2021-02-21 16:12:35,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:12:35,782 INFO L225 Difference]: With dead ends: 27 [2021-02-21 16:12:35,782 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 16:12:35,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:12:35,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 16:12:35,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 16:12:35,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 16:12:35,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 16:12:35,816 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-02-21 16:12:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:12:35,816 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 16:12:35,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 16:12:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 16:12:35,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 16:12:35,817 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 16:12:35,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 16:12:36,011 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 16:12:36,012 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 16:12:36,012 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 16:12:36,012 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:12:36,013 INFO L185 CegarLoopUtils]: 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~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)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#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)|)) [2021-02-21 16:12:36,013 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:12:36,013 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 162 166) no Hoare annotation was computed. [2021-02-21 16:12:36,013 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 162 166) no Hoare annotation was computed. [2021-02-21 16:12:36,013 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 162 166) no Hoare annotation was computed. [2021-02-21 16:12:36,013 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 167 171) no Hoare annotation was computed. [2021-02-21 16:12:36,014 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 167 171) no Hoare annotation was computed. [2021-02-21 16:12:36,014 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 167 171) no Hoare annotation was computed. [2021-02-21 16:12:36,014 INFO L189 CegarLoopUtils]: For program point __uint16_identityENTRY(lines 172 176) no Hoare annotation was computed. [2021-02-21 16:12:36,014 INFO L189 CegarLoopUtils]: For program point __uint16_identityEXIT(lines 172 176) no Hoare annotation was computed. [2021-02-21 16:12:36,014 INFO L189 CegarLoopUtils]: For program point __uint16_identityFINAL(lines 172 176) no Hoare annotation was computed. [2021-02-21 16:12:36,014 INFO L189 CegarLoopUtils]: For program point __uint64_identityFINAL(lines 182 186) no Hoare annotation was computed. [2021-02-21 16:12:36,014 INFO L189 CegarLoopUtils]: For program point __uint64_identityENTRY(lines 182 186) no Hoare annotation was computed. [2021-02-21 16:12:36,015 INFO L189 CegarLoopUtils]: For program point __uint64_identityEXIT(lines 182 186) no Hoare annotation was computed. [2021-02-21 16:12:36,015 INFO L189 CegarLoopUtils]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2021-02-21 16:12:36,015 INFO L189 CegarLoopUtils]: For program point __blast_assertEXIT(lines 750 753) no Hoare annotation was computed. [2021-02-21 16:12:36,015 INFO L189 CegarLoopUtils]: For program point __blast_assertFINAL(lines 750 753) no Hoare annotation was computed. [2021-02-21 16:12:36,015 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 750 753) the Hoare annotation is: true [2021-02-21 16:12:36,016 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:12:36,016 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 16:12:36,016 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 16:12:36,016 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:12:36,016 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 756 763) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2021-02-21 16:12:36,016 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 756 763) no Hoare annotation was computed. [2021-02-21 16:12:36,017 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 756 763) no Hoare annotation was computed. [2021-02-21 16:12:36,017 INFO L189 CegarLoopUtils]: For program point L760(line 760) no Hoare annotation was computed. [2021-02-21 16:12:36,017 INFO L185 CegarLoopUtils]: At program point L759(line 759) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2021-02-21 16:12:36,017 INFO L189 CegarLoopUtils]: For program point L759-1(line 759) no Hoare annotation was computed. [2021-02-21 16:12:36,017 INFO L185 CegarLoopUtils]: At program point L760-2(line 760) the Hoare annotation is: false [2021-02-21 16:12:36,017 INFO L189 CegarLoopUtils]: For program point L760-3(line 760) no Hoare annotation was computed. [2021-02-21 16:12:36,017 INFO L189 CegarLoopUtils]: For program point getServiceEXIT(lines 764 769) no Hoare annotation was computed. [2021-02-21 16:12:36,018 INFO L185 CegarLoopUtils]: At program point getServiceENTRY(lines 764 769) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2021-02-21 16:12:36,018 INFO L189 CegarLoopUtils]: For program point getServiceFINAL(lines 764 769) no Hoare annotation was computed. [2021-02-21 16:12:36,018 INFO L189 CegarLoopUtils]: For program point __uint32_identityFINAL(lines 177 181) no Hoare annotation was computed. [2021-02-21 16:12:36,018 INFO L189 CegarLoopUtils]: For program point __uint32_identityENTRY(lines 177 181) no Hoare annotation was computed. [2021-02-21 16:12:36,018 INFO L189 CegarLoopUtils]: For program point __uint32_identityEXIT(lines 177 181) no Hoare annotation was computed. [2021-02-21 16:12:36,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:12:36 BoogieIcfgContainer [2021-02-21 16:12:36,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:12:36,027 INFO L168 Benchmark]: Toolchain (without parser) took 2396.22 ms. Allocated memory is still 153.1 MB. Free memory was 127.4 MB in the beginning and 107.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 81.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:12:36,028 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:12:36,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.93 ms. Allocated memory is still 153.1 MB. Free memory was 126.3 MB in the beginning and 85.7 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. [2021-02-21 16:12:36,030 INFO L168 Benchmark]: Boogie Preprocessor took 67.27 ms. Allocated memory is still 153.1 MB. Free memory was 85.7 MB in the beginning and 82.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:12:36,031 INFO L168 Benchmark]: RCFGBuilder took 775.77 ms. Allocated memory is still 153.1 MB. Free memory was 82.6 MB in the beginning and 88.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. [2021-02-21 16:12:36,031 INFO L168 Benchmark]: TraceAbstraction took 850.99 ms. Allocated memory is still 153.1 MB. Free memory was 87.8 MB in the beginning and 107.2 MB in the end (delta: -19.4 MB). Peak memory consumption was 42.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:12:36,035 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 153.1 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 683.93 ms. Allocated memory is still 153.1 MB. Free memory was 126.3 MB in the beginning and 85.7 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.27 ms. Allocated memory is still 153.1 MB. Free memory was 85.7 MB in the beginning and 82.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 775.77 ms. Allocated memory is still 153.1 MB. Free memory was 82.6 MB in the beginning and 88.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 850.99 ms. Allocated memory is still 153.1 MB. Free memory was 87.8 MB in the beginning and 107.2 MB in the end (delta: -19.4 MB). Peak memory consumption was 42.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 752]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 6 SDslu, 14 SDs, 0 SdLazy, 19 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 59 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 129 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 884 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...