/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 [2021-02-21 16:13:56,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:13:56,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:13:56,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:13:56,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:13:56,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:13:56,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:13:56,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:13:56,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:13:56,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:13:56,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:13:56,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:13:56,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:13:56,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:13:56,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:13:56,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:13:56,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:13:56,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:13:56,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:13:56,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:13:56,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:13:56,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:13:56,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:13:56,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:13:56,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 16:13:56,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 16:13:56,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 16:13:56,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 16:13:56,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 16:13:56,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 16:13:56,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 16:13:56,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 16:13:56,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 16:13:56,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:13:56,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:13:56,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:13:56,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-21 16:13:56,249 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:13:56,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:13:56,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:13:56,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:13:56,254 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:13:56,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:13:56,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:13:56,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:13:56,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:13:56,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:13:56,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:13:56,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:13:56,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:13:56,257 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:13:56,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:13:56,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:13:56,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:13:56,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:13:56,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:13:56,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:13:56,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:13:56,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:13:56,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:13:56,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:13:56,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:13:56,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:13:56,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:13:56,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:13:56,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:13:56,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:13:56,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:13:56,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:13:56,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:13:56,725 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:13:56,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i [2021-02-21 16:13:56,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207deb13c/050a483b266047a38434863621f4a317/FLAGdd08ea0b2 [2021-02-21 16:13:57,586 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:13:57,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_add-1.i [2021-02-21 16:13:57,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207deb13c/050a483b266047a38434863621f4a317/FLAGdd08ea0b2 [2021-02-21 16:13:57,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207deb13c/050a483b266047a38434863621f4a317 [2021-02-21 16:13:57,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:13:57,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:13:57,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:13:57,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:13:57,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:13:57,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:13:57" (1/1) ... [2021-02-21 16:13:57,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58051335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:57, skipping insertion in model container [2021-02-21 16:13:57,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:13:57" (1/1) ... [2021-02-21 16:13:57,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:13:57,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:13:58,246 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] [2021-02-21 16:13:58,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:13:58,261 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:13:58,361 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] [2021-02-21 16:13:58,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:13:58,490 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:13:58,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:58 WrapperNode [2021-02-21 16:13:58,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:13:58,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:13:58,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:13:58,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:13:58,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:58" (1/1) ... [2021-02-21 16:13:58,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:58" (1/1) ... [2021-02-21 16:13:58,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:58" (1/1) ... [2021-02-21 16:13:58,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:58" (1/1) ... [2021-02-21 16:13:58,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:58" (1/1) ... [2021-02-21 16:13:58,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:58" (1/1) ... [2021-02-21 16:13:58,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:58" (1/1) ... [2021-02-21 16:13:58,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:13:58,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:13:58,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:13:58,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:13:58,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:13:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:13:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:13:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-21 16:13:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-21 16:13:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:13:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-21 16:13:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-21 16:13:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2021-02-21 16:13:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-02-21 16:13:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-02-21 16:13:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-02-21 16:13:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-02-21 16:13:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-02-21 16:13:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-02-21 16:13:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2021-02-21 16:13:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2021-02-21 16:13:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2021-02-21 16:13:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2021-02-21 16:13:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2021-02-21 16:13:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2021-02-21 16:13:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-02-21 16:13:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:13:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-21 16:13:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-21 16:13:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-21 16:13:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-21 16:13:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-21 16:13:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-21 16:13:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-21 16:13:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-21 16:13:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-21 16:13:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-21 16:13:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-21 16:13:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-21 16:13:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-21 16:13:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-21 16:13:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-21 16:13:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-21 16:13:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-21 16:13:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-21 16:13:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-21 16:13:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-21 16:13:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-21 16:13:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-21 16:13:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-21 16:13:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-21 16:13:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-21 16:13:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-21 16:13:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-21 16:13:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-21 16:13:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-21 16:13:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-21 16:13:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-21 16:13:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-21 16:13:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-21 16:13:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-21 16:13:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-21 16:13:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-21 16:13:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-21 16:13:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-21 16:13:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-21 16:13:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-21 16:13:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-21 16:13:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-21 16:13:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-21 16:13:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-21 16:13:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-21 16:13:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-21 16:13:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-21 16:13:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-21 16:13:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-21 16:13:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-21 16:13:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-21 16:13:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-21 16:13:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 16:13:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 16:13:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-21 16:13:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 16:13:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-21 16:13:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-21 16:13:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-21 16:13:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-21 16:13:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:13:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-21 16:13:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-21 16:13:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-21 16:13:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-21 16:13:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-21 16:13:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-21 16:13:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-21 16:13:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-21 16:13:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-21 16:13:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-21 16:13:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-21 16:13:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-21 16:13:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-21 16:13:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-21 16:13:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-21 16:13:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-21 16:13:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-21 16:13:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-21 16:13:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-21 16:13:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-21 16:13:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-21 16:13:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-21 16:13:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-21 16:13:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-21 16:13:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-21 16:13:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-21 16:13:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-21 16:13:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-21 16:13:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-21 16:13:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-21 16:13:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-21 16:13:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-21 16:13:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-21 16:13:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-21 16:13:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-21 16:13:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-21 16:13:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-21 16:13:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-21 16:13:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-21 16:13:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-21 16:13:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-21 16:13:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:13:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 16:13:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 16:13:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:13:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:13:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-21 16:13:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 16:13:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-21 16:13:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 16:13:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2021-02-21 16:13:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-02-21 16:13:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 16:13:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-02-21 16:13:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-02-21 16:13:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-02-21 16:13:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 16:13:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-02-21 16:13:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-02-21 16:13:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2021-02-21 16:13:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2021-02-21 16:13:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2021-02-21 16:13:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2021-02-21 16:13:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2021-02-21 16:13:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2021-02-21 16:13:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:13:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:13:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:13:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-02-21 16:13:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:13:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:13:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:13:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-21 16:13:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:13:59,428 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:13:59,428 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-21 16:13:59,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:13:59 BoogieIcfgContainer [2021-02-21 16:13:59,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:13:59,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:13:59,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:13:59,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:13:59,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:13:57" (1/3) ... [2021-02-21 16:13:59,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec225bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:13:59, skipping insertion in model container [2021-02-21 16:13:59,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:13:58" (2/3) ... [2021-02-21 16:13:59,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec225bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:13:59, skipping insertion in model container [2021-02-21 16:13:59,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:13:59" (3/3) ... [2021-02-21 16:13:59,454 INFO L111 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2021-02-21 16:13:59,469 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:13:59,479 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:13:59,506 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 16:13:59,559 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:13:59,559 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:13:59,560 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:13:59,560 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:13:59,560 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:13:59,560 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:13:59,561 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:13:59,561 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:13:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2021-02-21 16:13:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-21 16:13:59,598 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:13:59,599 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] [2021-02-21 16:13:59,600 INFO L428 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:13:59,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:13:59,610 INFO L82 PathProgramCache]: Analyzing trace with hash 96940350, now seen corresponding path program 1 times [2021-02-21 16:13:59,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:13:59,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614113639] [2021-02-21 16:13:59,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:13:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:59,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:59,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:59,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:59,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:13:59,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:13:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:13:59,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:13:59,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-21 16:14:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:00,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,041 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-21 16:14:00,042 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-21 16:14:00,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:14:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:00,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:00,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 16:14:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:00,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-21 16:14:00,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614113639] [2021-02-21 16:14:00,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102934553] [2021-02-21 16:14:00,175 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 [2021-02-21 16:14:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:00,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-02-21 16:14:00,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-21 16:14:00,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:14:00,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:14:00,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:14:00,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:14:00,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:00,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:00,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:00,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:00,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:14:00,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:00,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:00,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:00,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:14:00,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:14:00,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:14:00,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:14:00,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:14:00,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 16:14:00,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 16:14:00,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:14:00,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 16:14:00,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 16:14:00,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 16:14:00,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:00,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:14:00,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-02-21 16:14:00,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2021-02-21 16:14:00,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165771489] [2021-02-21 16:14:00,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:14:00,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:14:00,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:14:00,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:14:00,749 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2021-02-21 16:14:00,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:14:00,799 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2021-02-21 16:14:00,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:14:00,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2021-02-21 16:14:00,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:14:00,811 INFO L225 Difference]: With dead ends: 100 [2021-02-21 16:14:00,812 INFO L226 Difference]: Without dead ends: 50 [2021-02-21 16:14:00,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:14:00,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-02-21 16:14:00,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-02-21 16:14:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-02-21 16:14:00,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2021-02-21 16:14:00,863 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 28 [2021-02-21 16:14:00,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:14:00,864 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2021-02-21 16:14:00,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:14:00,864 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-02-21 16:14:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-21 16:14:00,866 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:14:00,866 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] [2021-02-21 16:14:01,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-02-21 16:14:01,078 INFO L428 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:14:01,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:14:01,080 INFO L82 PathProgramCache]: Analyzing trace with hash 2082331687, now seen corresponding path program 1 times [2021-02-21 16:14:01,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:14:01,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211009549] [2021-02-21 16:14:01,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:14:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:01,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:01,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:14:01,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:01,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:14:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:01,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:01,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-21 16:14:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:01,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:01,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:14:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:01,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:01,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 16:14:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:01,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:01,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-21 16:14:01,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211009549] [2021-02-21 16:14:01,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:14:01,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 16:14:01,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172983295] [2021-02-21 16:14:01,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 16:14:01,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:14:01,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 16:14:01,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:14:01,253 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 6 states. [2021-02-21 16:14:01,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:14:01,635 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2021-02-21 16:14:01,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 16:14:01,636 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2021-02-21 16:14:01,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:14:01,638 INFO L225 Difference]: With dead ends: 63 [2021-02-21 16:14:01,638 INFO L226 Difference]: Without dead ends: 57 [2021-02-21 16:14:01,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:14:01,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-02-21 16:14:01,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2021-02-21 16:14:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-02-21 16:14:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2021-02-21 16:14:01,652 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 28 [2021-02-21 16:14:01,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:14:01,652 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2021-02-21 16:14:01,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 16:14:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2021-02-21 16:14:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-21 16:14:01,654 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:14:01,654 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] [2021-02-21 16:14:01,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 16:14:01,654 INFO L428 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:14:01,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:14:01,655 INFO L82 PathProgramCache]: Analyzing trace with hash -638032304, now seen corresponding path program 1 times [2021-02-21 16:14:01,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:14:01,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572684114] [2021-02-21 16:14:01,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:14:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:01,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:14:01,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:14:01,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:14:01,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:14:01,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:01,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:14:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:01,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-21 16:14:01,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-21 16:14:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:01,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:01,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:14:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:01,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:01,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 16:14:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:01,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 16:14:01,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:01,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:14:01,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-21 16:14:01,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572684114] [2021-02-21 16:14:01,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:14:01,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 16:14:01,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377842121] [2021-02-21 16:14:01,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 16:14:01,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:14:01,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 16:14:01,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-21 16:14:01,846 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 8 states. [2021-02-21 16:14:02,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:14:02,652 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2021-02-21 16:14:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 16:14:02,653 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2021-02-21 16:14:02,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:14:02,655 INFO L225 Difference]: With dead ends: 82 [2021-02-21 16:14:02,655 INFO L226 Difference]: Without dead ends: 69 [2021-02-21 16:14:02,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-02-21 16:14:02,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-02-21 16:14:02,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 52. [2021-02-21 16:14:02,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-02-21 16:14:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-02-21 16:14:02,668 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 28 [2021-02-21 16:14:02,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:14:02,669 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-02-21 16:14:02,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 16:14:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-02-21 16:14:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-02-21 16:14:02,670 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:14:02,671 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] [2021-02-21 16:14:02,671 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 16:14:02,671 INFO L428 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:14:02,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:14:02,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1041531512, now seen corresponding path program 1 times [2021-02-21 16:14:02,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:14:02,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247378473] [2021-02-21 16:14:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:14:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 16:14:02,715 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 16:14:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 16:14:02,765 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 16:14:02,822 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-21 16:14:02,822 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-21 16:14:02,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 16:14:02,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:14:02 BoogieIcfgContainer [2021-02-21 16:14:02,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:14:02,894 INFO L168 Benchmark]: Toolchain (without parser) took 5071.41 ms. Allocated memory was 151.0 MB in the beginning and 198.2 MB in the end (delta: 47.2 MB). Free memory was 125.1 MB in the beginning and 168.8 MB in the end (delta: -43.7 MB). Peak memory consumption was 111.5 MB. Max. memory is 8.0 GB. [2021-02-21 16:14:02,895 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 122.2 MB in the beginning and 122.1 MB in the end (delta: 139.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:14:02,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.66 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 131.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2021-02-21 16:14:02,896 INFO L168 Benchmark]: Boogie Preprocessor took 112.01 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 128.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:14:02,896 INFO L168 Benchmark]: RCFGBuilder took 826.00 ms. Allocated memory is still 151.0 MB. Free memory was 128.2 MB in the beginning and 74.7 MB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. [2021-02-21 16:14:02,897 INFO L168 Benchmark]: TraceAbstraction took 3457.00 ms. Allocated memory was 151.0 MB in the beginning and 198.2 MB in the end (delta: 47.2 MB). Free memory was 74.2 MB in the beginning and 168.8 MB in the end (delta: -94.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 8.0 GB. [2021-02-21 16:14:02,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 122.2 MB in the beginning and 122.1 MB in the end (delta: 139.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 657.66 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 131.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 112.01 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 128.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 826.00 ms. Allocated memory is still 151.0 MB. Free memory was 128.2 MB in the beginning and 74.7 MB in the end (delta: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3457.00 ms. Allocated memory was 151.0 MB in the beginning and 198.2 MB in the end (delta: 47.2 MB). Free memory was 74.2 MB in the beginning and 168.8 MB in the end (delta: -94.6 MB). Peak memory consumption was 60.6 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: 3.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.2s, 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, 0.7s 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, 0.9s 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...