/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-sets/test_add-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:46:51,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:46:51,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:46:51,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:46:51,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:46:51,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:46:51,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:46:51,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:46:51,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:46:51,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:46:51,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:46:51,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:46:51,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:46:51,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:46:51,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:46:51,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:46:51,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:46:51,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:46:51,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:46:51,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:46:51,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:46:51,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:46:51,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:46:51,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:46:51,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:46:51,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:46:51,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:46:51,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:46:51,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:46:51,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:46:51,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:46:51,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:46:51,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:46:51,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:46:51,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:46:51,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:46:51,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:46:51,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:46:51,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:46:51,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:46:51,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:46:51,519 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 [2021-02-19 17:46:51,548 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:46:51,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:46:51,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:46:51,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:46:51,551 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:46:51,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:46:51,552 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:46:51,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:46:51,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:46:51,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:46:51,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:46:51,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:46:51,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:46:51,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:46:51,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:46:51,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:46:51,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:46:51,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:46:51,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:46:51,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:46:51,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:46:51,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:46:51,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:46:51,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:46:51,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:46:51,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:46:51,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:46:51,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:46:51,558 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:46:52,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:46:52,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:46:52,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:46:52,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:46:52,052 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:46:52,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i [2021-02-19 17:46:52,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8993ca0b/7417796c3d874bf4b70fdb283587f612/FLAG6e92533fe [2021-02-19 17:46:52,978 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:46:52,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_add-1.i [2021-02-19 17:46:53,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8993ca0b/7417796c3d874bf4b70fdb283587f612/FLAG6e92533fe [2021-02-19 17:46:53,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8993ca0b/7417796c3d874bf4b70fdb283587f612 [2021-02-19 17:46:53,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:46:53,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:46:53,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:46:53,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:46:53,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:46:53,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:46:53" (1/1) ... [2021-02-19 17:46:53,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c35c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:53, skipping insertion in model container [2021-02-19 17:46:53,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:46:53" (1/1) ... [2021-02-19 17:46:53,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:46:53,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:46:53,754 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-sets/test_add-1.i[25792,25805] [2021-02-19 17:46:53,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:46:53,785 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:46:53,901 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-sets/test_add-1.i[25792,25805] [2021-02-19 17:46:53,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:46:54,014 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:46:54,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:54 WrapperNode [2021-02-19 17:46:54,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:46:54,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:46:54,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:46:54,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:46:54,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:54" (1/1) ... [2021-02-19 17:46:54,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:54" (1/1) ... [2021-02-19 17:46:54,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:54" (1/1) ... [2021-02-19 17:46:54,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:54" (1/1) ... [2021-02-19 17:46:54,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:54" (1/1) ... [2021-02-19 17:46:54,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:54" (1/1) ... [2021-02-19 17:46:54,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:54" (1/1) ... [2021-02-19 17:46:54,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:46:54,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:46:54,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:46:54,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:46:54,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:54" (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 [2021-02-19 17:46:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:46:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:46:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-19 17:46:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-19 17:46:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:46:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-19 17:46:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-19 17:46:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2021-02-19 17:46:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-02-19 17:46:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-02-19 17:46:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-02-19 17:46:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-02-19 17:46:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-02-19 17:46:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-02-19 17:46:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2021-02-19 17:46:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2021-02-19 17:46:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2021-02-19 17:46:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2021-02-19 17:46:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2021-02-19 17:46:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2021-02-19 17:46:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-02-19 17:46:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:46:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-19 17:46:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-19 17:46:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-19 17:46:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-19 17:46:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-19 17:46:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-19 17:46:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-19 17:46:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-19 17:46:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-19 17:46:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-19 17:46:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-19 17:46:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-19 17:46:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-19 17:46:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-19 17:46:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-19 17:46:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-19 17:46:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-19 17:46:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-19 17:46:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-19 17:46:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-19 17:46:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-19 17:46:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-19 17:46:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-19 17:46:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-19 17:46:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-19 17:46:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-19 17:46:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-19 17:46:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-19 17:46:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-19 17:46:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-19 17:46:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-19 17:46:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-19 17:46:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-19 17:46:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-19 17:46:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-19 17:46:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-19 17:46:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-19 17:46:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-19 17:46:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-19 17:46:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-19 17:46:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-19 17:46:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-19 17:46:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-19 17:46:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-19 17:46:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-19 17:46:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-19 17:46:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-19 17:46:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-19 17:46:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-19 17:46:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-19 17:46:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-19 17:46:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-19 17:46:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:46:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-19 17:46:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-19 17:46:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:46:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-19 17:46:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-19 17:46:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-19 17:46:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-19 17:46:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:46:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-19 17:46:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-19 17:46:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-19 17:46:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-19 17:46:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-19 17:46:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-19 17:46:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-19 17:46:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-19 17:46:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-19 17:46:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-19 17:46:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-19 17:46:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-19 17:46:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-19 17:46:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-19 17:46:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-19 17:46:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-19 17:46:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-19 17:46:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-19 17:46:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-19 17:46:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-19 17:46:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-19 17:46:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-19 17:46:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-19 17:46:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-19 17:46:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-19 17:46:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-19 17:46:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-19 17:46:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-19 17:46:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-19 17:46:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-19 17:46:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-19 17:46:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-19 17:46:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-19 17:46:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-19 17:46:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-19 17:46:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-19 17:46:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-19 17:46:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-19 17:46:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-19 17:46:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-19 17:46:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-19 17:46:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:46:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-19 17:46:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-19 17:46:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:46:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:46:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-19 17:46:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:46:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-19 17:46:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:46:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2021-02-19 17:46:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-02-19 17:46:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:46:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-02-19 17:46:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-02-19 17:46:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-02-19 17:46:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:46:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-02-19 17:46:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-02-19 17:46:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2021-02-19 17:46:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2021-02-19 17:46:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2021-02-19 17:46:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2021-02-19 17:46:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2021-02-19 17:46:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2021-02-19 17:46:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:46:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:46:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:46:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-02-19 17:46:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:46:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:46:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:46:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-19 17:46:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:46:55,349 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:46:55,350 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-19 17:46:55,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:46:55 BoogieIcfgContainer [2021-02-19 17:46:55,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:46:55,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:46:55,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:46:55,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:46:55,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:46:53" (1/3) ... [2021-02-19 17:46:55,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377e52f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:46:55, skipping insertion in model container [2021-02-19 17:46:55,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:46:54" (2/3) ... [2021-02-19 17:46:55,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377e52f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:46:55, skipping insertion in model container [2021-02-19 17:46:55,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:46:55" (3/3) ... [2021-02-19 17:46:55,363 INFO L111 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2021-02-19 17:46:55,371 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:46:55,380 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:46:55,412 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:46:55,462 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:46:55,462 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:46:55,463 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:46:55,463 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:46:55,463 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:46:55,463 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:46:55,463 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:46:55,463 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:46:55,487 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2021-02-19 17:46:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-19 17:46:55,504 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:46:55,505 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:46:55,506 INFO L428 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:46:55,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:46:55,517 INFO L82 PathProgramCache]: Analyzing trace with hash 96940350, now seen corresponding path program 1 times [2021-02-19 17:46:55,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:46:55,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988349892] [2021-02-19 17:46:55,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:46:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:55,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:55,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:55,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:55,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:55,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:46:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:55,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:55,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:55,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-19 17:46:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:55,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:55,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:55,987 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-19 17:46:55,989 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-19 17:46:56,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:46:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:56,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:46:56,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-19 17:46:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:56,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:46:56,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988349892] [2021-02-19 17:46:56,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636256204] [2021-02-19 17:46:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 17:46:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:56,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-02-19 17:46:56,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 17:46:56,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:46:56,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:46:56,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:46:56,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:46:56,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:46:56,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:46:56,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:46:56,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:46:56,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-19 17:46:56,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:46:56,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:46:56,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:46:56,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:46:56,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:46:56,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:46:56,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:46:56,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-19 17:46:56,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-19 17:46:56,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-19 17:46:56,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-19 17:46:56,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-19 17:46:56,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-19 17:46:56,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-19 17:46:56,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:56,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:46:56,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-02-19 17:46:56,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2021-02-19 17:46:56,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228378337] [2021-02-19 17:46:56,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:46:56,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:46:56,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:46:56,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-19 17:46:56,685 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2021-02-19 17:46:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:46:56,737 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2021-02-19 17:46:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:46:56,739 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2021-02-19 17:46:56,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:46:56,750 INFO L225 Difference]: With dead ends: 100 [2021-02-19 17:46:56,750 INFO L226 Difference]: Without dead ends: 50 [2021-02-19 17:46:56,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-19 17:46:56,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-02-19 17:46:56,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-02-19 17:46:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-02-19 17:46:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2021-02-19 17:46:56,806 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 28 [2021-02-19 17:46:56,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:46:56,806 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2021-02-19 17:46:56,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:46:56,807 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-02-19 17:46:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-19 17:46:56,809 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:46:56,809 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:46:57,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-02-19 17:46:57,024 INFO L428 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:46:57,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:46:57,026 INFO L82 PathProgramCache]: Analyzing trace with hash 2082331687, now seen corresponding path program 1 times [2021-02-19 17:46:57,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:46:57,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113679746] [2021-02-19 17:46:57,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:46:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:57,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:57,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:46:57,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:57,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:46:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:57,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:57,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-19 17:46:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:57,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:57,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:46:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:57,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:57,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-19 17:46:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:57,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:57,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:46:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-19 17:46:57,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113679746] [2021-02-19 17:46:57,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:46:57,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-19 17:46:57,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481663990] [2021-02-19 17:46:57,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 17:46:57,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:46:57,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 17:46:57,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-19 17:46:57,223 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 6 states. [2021-02-19 17:46:57,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:46:57,707 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2021-02-19 17:46:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:46:57,708 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2021-02-19 17:46:57,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:46:57,710 INFO L225 Difference]: With dead ends: 63 [2021-02-19 17:46:57,710 INFO L226 Difference]: Without dead ends: 57 [2021-02-19 17:46:57,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:46:57,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-02-19 17:46:57,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2021-02-19 17:46:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-02-19 17:46:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2021-02-19 17:46:57,727 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 28 [2021-02-19 17:46:57,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:46:57,727 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2021-02-19 17:46:57,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-19 17:46:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2021-02-19 17:46:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-19 17:46:57,729 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:46:57,729 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:46:57,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:46:57,730 INFO L428 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:46:57,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:46:57,731 INFO L82 PathProgramCache]: Analyzing trace with hash -638032304, now seen corresponding path program 1 times [2021-02-19 17:46:57,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:46:57,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384809280] [2021-02-19 17:46:57,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:46:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:57,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-19 17:46:57,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-19 17:46:57,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-19 17:46:57,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-19 17:46:57,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:57,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:46:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:57,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-19 17:46:57,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-19 17:46:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:57,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:57,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:46:57,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:46:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:57,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:58,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:46:58,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-19 17:46:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:46:58,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:58,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-19 17:46:58,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:46:58,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-19 17:46:58,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 17:46:58,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384809280] [2021-02-19 17:46:58,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:46:58,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 17:46:58,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104763812] [2021-02-19 17:46:58,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 17:46:58,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:46:58,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 17:46:58,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 17:46:58,074 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 8 states. [2021-02-19 17:46:58,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:46:58,922 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2021-02-19 17:46:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 17:46:58,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2021-02-19 17:46:58,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:46:58,925 INFO L225 Difference]: With dead ends: 82 [2021-02-19 17:46:58,925 INFO L226 Difference]: Without dead ends: 69 [2021-02-19 17:46:58,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-02-19 17:46:58,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-02-19 17:46:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 52. [2021-02-19 17:46:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-02-19 17:46:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-02-19 17:46:58,939 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 28 [2021-02-19 17:46:58,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:46:58,940 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-02-19 17:46:58,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 17:46:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-02-19 17:46:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-02-19 17:46:58,941 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:46:58,942 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:46:58,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:46:58,942 INFO L428 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:46:58,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:46:58,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1041531512, now seen corresponding path program 1 times [2021-02-19 17:46:58,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:46:58,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717300500] [2021-02-19 17:46:58,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:46:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:46:59,005 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:46:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:46:59,074 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:46:59,117 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-19 17:46:59,117 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-19 17:46:59,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:46:59,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:46:59 BoogieIcfgContainer [2021-02-19 17:46:59,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:46:59,174 INFO L168 Benchmark]: Toolchain (without parser) took 5975.30 ms. Allocated memory was 172.0 MB in the beginning and 209.7 MB in the end (delta: 37.7 MB). Free memory was 145.9 MB in the beginning and 103.6 MB in the end (delta: 42.3 MB). Peak memory consumption was 80.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:46:59,174 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 172.0 MB. Free memory is still 149.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:46:59,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.35 ms. Allocated memory is still 172.0 MB. Free memory was 144.8 MB in the beginning and 118.5 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:46:59,175 INFO L168 Benchmark]: Boogie Preprocessor took 213.37 ms. Allocated memory is still 172.0 MB. Free memory was 118.5 MB in the beginning and 152.6 MB in the end (delta: -34.2 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. [2021-02-19 17:46:59,176 INFO L168 Benchmark]: RCFGBuilder took 1117.91 ms. Allocated memory is still 172.0 MB. Free memory was 152.6 MB in the beginning and 98.6 MB in the end (delta: 54.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:46:59,177 INFO L168 Benchmark]: TraceAbstraction took 3818.20 ms. Allocated memory was 172.0 MB in the beginning and 209.7 MB in the end (delta: 37.7 MB). Free memory was 98.1 MB in the beginning and 103.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 33.3 MB. Max. memory is 8.0 GB. [2021-02-19 17:46:59,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 172.0 MB. Free memory is still 149.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 802.35 ms. Allocated memory is still 172.0 MB. Free memory was 144.8 MB in the beginning and 118.5 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 213.37 ms. Allocated memory is still 172.0 MB. Free memory was 118.5 MB in the beginning and 152.6 MB in the end (delta: -34.2 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1117.91 ms. Allocated memory is still 172.0 MB. Free memory was 152.6 MB in the beginning and 98.6 MB in the end (delta: 54.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3818.20 ms. Allocated memory was 172.0 MB in the beginning and 209.7 MB in the end (delta: 37.7 MB). Free memory was 98.1 MB in the beginning and 103.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 33.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 667]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L662] struct ldv_list_head s1 = { &(s1), &(s1) }; VAL [\old(s1)=null, \old(s1)=null, s1={3:0}] [L671] CALL foo() VAL [s1={3:0}] [L665] int j = __VERIFIER_nondet_int(); [L666] CALL ldv_set_add(j, &s1) VAL [\old(new)=0, s={3:0}, s1={3:0}] [L633] CALL, EXPR ldv_is_in_set(new, s) VAL [\old(e)=0, s={3:0}, s1={3:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=0, __mptr={3:0}, e=0, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L652] COND FALSE !(&m->list != (s)) VAL [\old(e)=0, __mptr={3:0}, e=0, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L657] return 0; VAL [\old(e)=0, \result=0, __mptr={3:0}, e=0, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L633] RET, EXPR ldv_is_in_set(new, s) VAL [\old(new)=0, ldv_is_in_set(new, s)=0, new=0, s={3:0}, s={3:0}, s1={3:0}] [L633] COND TRUE !ldv_is_in_set(new, s) [L634] struct ldv_list_element *le; VAL [\old(new)=0, new=0, s={3:0}, s={3:0}, s1={3:0}] [L635] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(size)=12, s1={3:0}] [L576] void *ptr = malloc(size); VAL [\old(size)=12, malloc(size)={-1:0}, ptr={-1:0}, s1={3:0}, size=12] [L577] CALL assume_abort_if_not(ptr!=0) VAL [\old(cond)=1, s1={3:0}] [L565] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s1={3:0}] [L577] RET assume_abort_if_not(ptr!=0) VAL [\old(size)=12, malloc(size)={-1:0}, ptr={-1:0}, s1={3:0}, size=12] [L578] return ptr; VAL [\old(size)=12, \result={-1:0}, malloc(size)={-1:0}, ptr={-1:0}, s1={3:0}, size=12] [L635] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [\old(new)=0, ldv_successful_malloc(sizeof(struct ldv_list_element))={-1:0}, new=0, s={3:0}, s={3:0}, s1={3:0}] [L635] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L636] le->e = new VAL [\old(new)=0, le={-1:0}, new=0, s={3:0}, s={3:0}, s1={3:0}] [L637] CALL ldv_list_add(&le->list, s) VAL [head={3:0}, new={-1:4}, s1={3:0}] [L605] EXPR head->next VAL [head={3:0}, head={3:0}, head->next={3:0}, new={-1:4}, new={-1:4}, s1={3:0}] [L605] CALL __ldv_list_add(new, head, head->next) VAL [new={-1:4}, next={3:0}, prev={3:0}, s1={3:0}] [L593] next->prev = new [L594] new->next = next [L595] new->prev = prev [L596] prev->next = new VAL [new={-1:4}, new={-1:4}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}, s1={3:0}] [L605] RET __ldv_list_add(new, head, head->next) VAL [head={3:0}, head={3:0}, head->next={3:0}, new={-1:4}, new={-1:4}, s1={3:0}] [L637] RET ldv_list_add(&le->list, s) VAL [\old(new)=0, le={-1:0}, new=0, s={3:0}, s={3:0}, s1={3:0}] [L666] RET ldv_set_add(j, &s1) VAL [j=0, s1={3:0}] [L667] CALL ldv_is_in_set(j, &s1) VAL [\old(e)=0, s={3:0}, s1={3:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=0, __mptr={-1:4}, e=0, m={-1:0}, s={3:0}, s={3:0}, s1={3:0}] [L652] COND TRUE &m->list != (s) [L653] EXPR m->e VAL [\old(e)=0, __mptr={-1:4}, e=0, m={-1:0}, m->e=0, s={3:0}, s={3:0}, s1={3:0}] [L653] COND TRUE m->e == e [L654] return 1; VAL [\old(e)=0, \result=1, __mptr={-1:4}, e=0, m={-1:0}, s={3:0}, s={3:0}, s1={3:0}] [L667] RET ldv_is_in_set(j, &s1) VAL [j=0, ldv_is_in_set(j, &s1)=1, s1={3:0}] [L667] COND TRUE ldv_is_in_set(j, &s1) [L667] reach_error() VAL [j=0, s1={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 131 SDtfs, 179 SDslu, 180 SDs, 0 SdLazy, 281 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 13851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 17/19 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 incorrect! Received shutdown request...