/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/list-ext-properties/simple-ext.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:24:29,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:24:29,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:24:29,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:24:29,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:24:29,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:24:29,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:24:29,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:24:29,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:24:29,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:24:29,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:24:29,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:24:29,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:24:29,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:24:29,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:24:29,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:24:29,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:24:29,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:24:29,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:24:29,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:24:29,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:24:29,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:24:29,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:24:29,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:24:29,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 00:24:29,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 00:24:29,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 00:24:29,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 00:24:29,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 00:24:29,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 00:24:29,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 00:24:29,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 00:24:29,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 00:24:29,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 00:24:29,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 00:24:29,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 00:24:29,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 00:24:29,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 00:24:29,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:24:29,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:24:29,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:24:29,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:24:29,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:24:29,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:24:29,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:24:29,209 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:24:29,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:24:29,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:24:29,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:24:29,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:24:29,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:24:29,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:24:29,212 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:24:29,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:24:29,212 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:24:29,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:24:29,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:24:29,214 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:24:29,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:24:29,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:24:29,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:24:29,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:24:29,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:24:29,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:24:29,215 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:24:29,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:24:29,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:24:29,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:24:29,701 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:24:29,702 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:24:29,703 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/simple-ext.i [2020-07-18 00:24:29,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e91e58bc/92ddc6c541834cca8b6e632cc5a6e98c/FLAG126064a09 [2020-07-18 00:24:30,390 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:24:30,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext-properties/simple-ext.i [2020-07-18 00:24:30,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e91e58bc/92ddc6c541834cca8b6e632cc5a6e98c/FLAG126064a09 [2020-07-18 00:24:30,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e91e58bc/92ddc6c541834cca8b6e632cc5a6e98c [2020-07-18 00:24:30,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:24:30,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:24:30,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:24:30,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:24:30,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:24:30,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:24:30" (1/1) ... [2020-07-18 00:24:30,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d31b52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:30, skipping insertion in model container [2020-07-18 00:24:30,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:24:30" (1/1) ... [2020-07-18 00:24:30,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:24:30,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:24:31,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:24:31,580 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:24:31,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:24:31,704 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:24:31,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:31 WrapperNode [2020-07-18 00:24:31,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:24:31,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:24:31,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:24:31,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:24:31,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:31" (1/1) ... [2020-07-18 00:24:31,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:31" (1/1) ... [2020-07-18 00:24:31,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:31" (1/1) ... [2020-07-18 00:24:31,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:31" (1/1) ... [2020-07-18 00:24:31,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:31" (1/1) ... [2020-07-18 00:24:31,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:31" (1/1) ... [2020-07-18 00:24:31,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:31" (1/1) ... [2020-07-18 00:24:31,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:24:31,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:24:31,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:24:31,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:24:31,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:24:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:24:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:24:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-18 00:24:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-18 00:24:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-18 00:24:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-18 00:24:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-18 00:24:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-18 00:24:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:24:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:24:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:24:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-18 00:24:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-18 00:24:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-18 00:24:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-18 00:24:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-18 00:24:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-18 00:24:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-18 00:24:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-18 00:24:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-18 00:24:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-18 00:24:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-18 00:24:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-18 00:24:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-18 00:24:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-18 00:24:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-18 00:24:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-18 00:24:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-18 00:24:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-18 00:24:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-18 00:24:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-18 00:24:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-18 00:24:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-18 00:24:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-18 00:24:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-18 00:24:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-18 00:24:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-18 00:24:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-18 00:24:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-18 00:24:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-18 00:24:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-18 00:24:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-18 00:24:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-18 00:24:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-18 00:24:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-18 00:24:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-18 00:24:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-18 00:24:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-18 00:24:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-18 00:24:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-18 00:24:31,910 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-18 00:24:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-18 00:24:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-18 00:24:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-18 00:24:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-18 00:24:31,911 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-18 00:24:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-18 00:24:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-18 00:24:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-18 00:24:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-18 00:24:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-18 00:24:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-18 00:24:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-18 00:24:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-18 00:24:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-18 00:24:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-18 00:24:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 00:24:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-18 00:24:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-18 00:24:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-18 00:24:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-18 00:24:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-18 00:24:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-18 00:24:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-18 00:24:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 00:24:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-18 00:24:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-18 00:24:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-18 00:24:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-18 00:24:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-18 00:24:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-18 00:24:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-18 00:24:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-18 00:24:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-18 00:24:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-18 00:24:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-18 00:24:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-18 00:24:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-18 00:24:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-18 00:24:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-18 00:24:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-18 00:24:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-18 00:24:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-18 00:24:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-18 00:24:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-18 00:24:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-18 00:24:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-18 00:24:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-18 00:24:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-18 00:24:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-18 00:24:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-18 00:24:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-18 00:24:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-18 00:24:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-18 00:24:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-18 00:24:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-18 00:24:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-18 00:24:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-18 00:24:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-18 00:24:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-18 00:24:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-18 00:24:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-18 00:24:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-18 00:24:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-18 00:24:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-18 00:24:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-18 00:24:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-18 00:24:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-18 00:24:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-18 00:24:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:24:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 00:24:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:24:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 00:24:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 00:24:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:24:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:24:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:24:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:24:32,405 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-18 00:24:32,781 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:24:32,782 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-18 00:24:32,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:24:32 BoogieIcfgContainer [2020-07-18 00:24:32,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:24:32,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:24:32,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:24:32,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:24:32,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:24:30" (1/3) ... [2020-07-18 00:24:32,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616961c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:24:32, skipping insertion in model container [2020-07-18 00:24:32,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:24:31" (2/3) ... [2020-07-18 00:24:32,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616961c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:24:32, skipping insertion in model container [2020-07-18 00:24:32,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:24:32" (3/3) ... [2020-07-18 00:24:32,807 INFO L109 eAbstractionObserver]: Analyzing ICFG simple-ext.i [2020-07-18 00:24:32,823 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:24:32,835 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:24:32,852 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:24:32,880 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:24:32,880 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:24:32,880 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:24:32,881 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:24:32,881 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:24:32,881 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:24:32,881 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:24:32,882 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:24:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-07-18 00:24:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-18 00:24:32,919 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:24:32,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:24:32,922 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:24:32,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:24:32,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1527556188, now seen corresponding path program 1 times [2020-07-18 00:24:32,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:24:32,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044146531] [2020-07-18 00:24:32,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:24:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:24:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:24:33,256 INFO L280 TraceCheckUtils]: 0: Hoare triple {76#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {69#true} is VALID [2020-07-18 00:24:33,257 INFO L280 TraceCheckUtils]: 1: Hoare triple {69#true} #valid := #valid[0 := 0]; {69#true} is VALID [2020-07-18 00:24:33,258 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#true} assume 0 < #StackHeapBarrier; {69#true} is VALID [2020-07-18 00:24:33,259 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#true} assume true; {69#true} is VALID [2020-07-18 00:24:33,259 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {69#true} {69#true} #142#return; {69#true} is VALID [2020-07-18 00:24:33,268 INFO L263 TraceCheckUtils]: 0: Hoare triple {69#true} call ULTIMATE.init(); {76#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:24:33,269 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {69#true} is VALID [2020-07-18 00:24:33,269 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#true} #valid := #valid[0 := 0]; {69#true} is VALID [2020-07-18 00:24:33,270 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#true} assume 0 < #StackHeapBarrier; {69#true} is VALID [2020-07-18 00:24:33,270 INFO L280 TraceCheckUtils]: 4: Hoare triple {69#true} assume true; {69#true} is VALID [2020-07-18 00:24:33,271 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {69#true} {69#true} #142#return; {69#true} is VALID [2020-07-18 00:24:33,271 INFO L263 TraceCheckUtils]: 6: Hoare triple {69#true} call #t~ret12 := main(); {69#true} is VALID [2020-07-18 00:24:33,271 INFO L280 TraceCheckUtils]: 7: Hoare triple {69#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {69#true} is VALID [2020-07-18 00:24:33,272 INFO L280 TraceCheckUtils]: 8: Hoare triple {69#true} ~a~0.base, ~a~0.offset := #t~malloc2.base, #t~malloc2.offset; {69#true} is VALID [2020-07-18 00:24:33,272 INFO L280 TraceCheckUtils]: 9: Hoare triple {69#true} assume !(~a~0.base == 0 && ~a~0.offset == 0); {69#true} is VALID [2020-07-18 00:24:33,273 INFO L280 TraceCheckUtils]: 10: Hoare triple {69#true} havoc ~t~0.base, ~t~0.offset; {69#true} is VALID [2020-07-18 00:24:33,273 INFO L280 TraceCheckUtils]: 11: Hoare triple {69#true} ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; {69#true} is VALID [2020-07-18 00:24:33,274 INFO L280 TraceCheckUtils]: 12: Hoare triple {69#true} ~i~0 := 0; {69#true} is VALID [2020-07-18 00:24:33,279 INFO L280 TraceCheckUtils]: 13: Hoare triple {69#true} assume !true; {70#false} is VALID [2020-07-18 00:24:33,280 INFO L280 TraceCheckUtils]: 14: Hoare triple {70#false} SUMMARY for call write~int(~i~0, ~p~0.base, ~p~0.offset, 4); srcloc: L526-12 {70#false} is VALID [2020-07-18 00:24:33,281 INFO L280 TraceCheckUtils]: 15: Hoare triple {70#false} SUMMARY for call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4); srcloc: L534 {70#false} is VALID [2020-07-18 00:24:33,282 INFO L280 TraceCheckUtils]: 16: Hoare triple {70#false} ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; {70#false} is VALID [2020-07-18 00:24:33,282 INFO L280 TraceCheckUtils]: 17: Hoare triple {70#false} ~i~0 := 0; {70#false} is VALID [2020-07-18 00:24:33,283 INFO L280 TraceCheckUtils]: 18: Hoare triple {70#false} assume !!(~p~0.base != 0 || ~p~0.offset != 0); {70#false} is VALID [2020-07-18 00:24:33,283 INFO L280 TraceCheckUtils]: 19: Hoare triple {70#false} SUMMARY for call #t~mem8 := read~int(~p~0.base, ~p~0.offset, 4); srcloc: L539 {70#false} is VALID [2020-07-18 00:24:33,284 INFO L280 TraceCheckUtils]: 20: Hoare triple {70#false} assume 1 != #t~mem8; {70#false} is VALID [2020-07-18 00:24:33,284 INFO L280 TraceCheckUtils]: 21: Hoare triple {70#false} havoc #t~mem8; {70#false} is VALID [2020-07-18 00:24:33,284 INFO L280 TraceCheckUtils]: 22: Hoare triple {70#false} assume !false; {70#false} is VALID [2020-07-18 00:24:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:24:33,291 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:24:33,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044146531] [2020-07-18 00:24:33,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:24:33,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 00:24:33,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637508447] [2020-07-18 00:24:33,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-18 00:24:33,312 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:24:33,317 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 00:24:33,378 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:24:33,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 00:24:33,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:24:33,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 00:24:33,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 00:24:33,401 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 3 states. [2020-07-18 00:24:33,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:24:33,867 INFO L93 Difference]: Finished difference Result 95 states and 108 transitions. [2020-07-18 00:24:33,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 00:24:33,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-18 00:24:33,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:24:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 00:24:33,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2020-07-18 00:24:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 00:24:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2020-07-18 00:24:33,895 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 108 transitions. [2020-07-18 00:24:34,101 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:24:34,118 INFO L225 Difference]: With dead ends: 95 [2020-07-18 00:24:34,118 INFO L226 Difference]: Without dead ends: 50 [2020-07-18 00:24:34,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 00:24:34,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-18 00:24:34,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-07-18 00:24:34,212 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:24:34,212 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 50 states. [2020-07-18 00:24:34,213 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 50 states. [2020-07-18 00:24:34,213 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 50 states. [2020-07-18 00:24:34,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:24:34,220 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2020-07-18 00:24:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2020-07-18 00:24:34,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:24:34,221 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:24:34,222 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 50 states. [2020-07-18 00:24:34,222 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 50 states. [2020-07-18 00:24:34,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:24:34,229 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2020-07-18 00:24:34,229 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2020-07-18 00:24:34,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:24:34,230 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:24:34,230 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:24:34,231 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:24:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-18 00:24:34,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2020-07-18 00:24:34,238 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 23 [2020-07-18 00:24:34,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:24:34,238 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2020-07-18 00:24:34,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 00:24:34,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states and 52 transitions. [2020-07-18 00:24:34,321 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:24:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2020-07-18 00:24:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-18 00:24:34,323 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:24:34,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:24:34,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:24:34,324 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:24:34,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:24:34,325 INFO L82 PathProgramCache]: Analyzing trace with hash 2054563523, now seen corresponding path program 1 times [2020-07-18 00:24:34,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:24:34,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1504790960] [2020-07-18 00:24:34,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:24:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:24:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:24:34,464 INFO L280 TraceCheckUtils]: 0: Hoare triple {478#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {469#true} is VALID [2020-07-18 00:24:34,465 INFO L280 TraceCheckUtils]: 1: Hoare triple {469#true} #valid := #valid[0 := 0]; {469#true} is VALID [2020-07-18 00:24:34,465 INFO L280 TraceCheckUtils]: 2: Hoare triple {469#true} assume 0 < #StackHeapBarrier; {469#true} is VALID [2020-07-18 00:24:34,466 INFO L280 TraceCheckUtils]: 3: Hoare triple {469#true} assume true; {469#true} is VALID [2020-07-18 00:24:34,466 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {469#true} {469#true} #142#return; {469#true} is VALID [2020-07-18 00:24:34,468 INFO L263 TraceCheckUtils]: 0: Hoare triple {469#true} call ULTIMATE.init(); {478#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:24:34,469 INFO L280 TraceCheckUtils]: 1: Hoare triple {478#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {469#true} is VALID [2020-07-18 00:24:34,469 INFO L280 TraceCheckUtils]: 2: Hoare triple {469#true} #valid := #valid[0 := 0]; {469#true} is VALID [2020-07-18 00:24:34,470 INFO L280 TraceCheckUtils]: 3: Hoare triple {469#true} assume 0 < #StackHeapBarrier; {469#true} is VALID [2020-07-18 00:24:34,470 INFO L280 TraceCheckUtils]: 4: Hoare triple {469#true} assume true; {469#true} is VALID [2020-07-18 00:24:34,470 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {469#true} {469#true} #142#return; {469#true} is VALID [2020-07-18 00:24:34,471 INFO L263 TraceCheckUtils]: 6: Hoare triple {469#true} call #t~ret12 := main(); {469#true} is VALID [2020-07-18 00:24:34,471 INFO L280 TraceCheckUtils]: 7: Hoare triple {469#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {469#true} is VALID [2020-07-18 00:24:34,472 INFO L280 TraceCheckUtils]: 8: Hoare triple {469#true} ~a~0.base, ~a~0.offset := #t~malloc2.base, #t~malloc2.offset; {469#true} is VALID [2020-07-18 00:24:34,472 INFO L280 TraceCheckUtils]: 9: Hoare triple {469#true} assume !(~a~0.base == 0 && ~a~0.offset == 0); {469#true} is VALID [2020-07-18 00:24:34,472 INFO L280 TraceCheckUtils]: 10: Hoare triple {469#true} havoc ~t~0.base, ~t~0.offset; {469#true} is VALID [2020-07-18 00:24:34,473 INFO L280 TraceCheckUtils]: 11: Hoare triple {469#true} ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; {469#true} is VALID [2020-07-18 00:24:34,474 INFO L280 TraceCheckUtils]: 12: Hoare triple {469#true} ~i~0 := 0; {476#(= 0 main_~i~0)} is VALID [2020-07-18 00:24:34,477 INFO L280 TraceCheckUtils]: 13: Hoare triple {476#(= 0 main_~i~0)} #t~short4 := ~i~0 < 30; {477#|main_#t~short4|} is VALID [2020-07-18 00:24:34,478 INFO L280 TraceCheckUtils]: 14: Hoare triple {477#|main_#t~short4|} assume !#t~short4; {470#false} is VALID [2020-07-18 00:24:34,479 INFO L280 TraceCheckUtils]: 15: Hoare triple {470#false} assume !#t~short4; {470#false} is VALID [2020-07-18 00:24:34,480 INFO L280 TraceCheckUtils]: 16: Hoare triple {470#false} havoc #t~short4; {470#false} is VALID [2020-07-18 00:24:34,480 INFO L280 TraceCheckUtils]: 17: Hoare triple {470#false} havoc #t~nondet3; {470#false} is VALID [2020-07-18 00:24:34,481 INFO L280 TraceCheckUtils]: 18: Hoare triple {470#false} SUMMARY for call write~int(~i~0, ~p~0.base, ~p~0.offset, 4); srcloc: L526-12 {470#false} is VALID [2020-07-18 00:24:34,481 INFO L280 TraceCheckUtils]: 19: Hoare triple {470#false} SUMMARY for call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4); srcloc: L534 {470#false} is VALID [2020-07-18 00:24:34,481 INFO L280 TraceCheckUtils]: 20: Hoare triple {470#false} ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; {470#false} is VALID [2020-07-18 00:24:34,482 INFO L280 TraceCheckUtils]: 21: Hoare triple {470#false} ~i~0 := 0; {470#false} is VALID [2020-07-18 00:24:34,482 INFO L280 TraceCheckUtils]: 22: Hoare triple {470#false} assume !!(~p~0.base != 0 || ~p~0.offset != 0); {470#false} is VALID [2020-07-18 00:24:34,483 INFO L280 TraceCheckUtils]: 23: Hoare triple {470#false} SUMMARY for call #t~mem8 := read~int(~p~0.base, ~p~0.offset, 4); srcloc: L539 {470#false} is VALID [2020-07-18 00:24:34,483 INFO L280 TraceCheckUtils]: 24: Hoare triple {470#false} assume 1 != #t~mem8; {470#false} is VALID [2020-07-18 00:24:34,484 INFO L280 TraceCheckUtils]: 25: Hoare triple {470#false} havoc #t~mem8; {470#false} is VALID [2020-07-18 00:24:34,484 INFO L280 TraceCheckUtils]: 26: Hoare triple {470#false} assume !false; {470#false} is VALID [2020-07-18 00:24:34,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:24:34,486 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:24:34,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1504790960] [2020-07-18 00:24:34,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:24:34,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 00:24:34,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110549894] [2020-07-18 00:24:34,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-18 00:24:34,491 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:24:34,491 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 00:24:34,539 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:24:34,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 00:24:34,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:24:34,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 00:24:34,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 00:24:34,541 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand 5 states. [2020-07-18 00:24:35,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:24:35,119 INFO L93 Difference]: Finished difference Result 122 states and 128 transitions. [2020-07-18 00:24:35,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 00:24:35,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-18 00:24:35,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:24:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 00:24:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 128 transitions. [2020-07-18 00:24:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 00:24:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 128 transitions. [2020-07-18 00:24:35,133 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 128 transitions. [2020-07-18 00:24:35,326 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 128 edges. 128 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:24:35,330 INFO L225 Difference]: With dead ends: 122 [2020-07-18 00:24:35,331 INFO L226 Difference]: Without dead ends: 85 [2020-07-18 00:24:35,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-18 00:24:35,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-18 00:24:35,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 52. [2020-07-18 00:24:35,381 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:24:35,381 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand 52 states. [2020-07-18 00:24:35,381 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 52 states. [2020-07-18 00:24:35,382 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 52 states. [2020-07-18 00:24:35,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:24:35,388 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2020-07-18 00:24:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2020-07-18 00:24:35,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:24:35,390 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:24:35,390 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 85 states. [2020-07-18 00:24:35,390 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 85 states. [2020-07-18 00:24:35,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:24:35,396 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2020-07-18 00:24:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2020-07-18 00:24:35,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:24:35,398 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:24:35,398 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:24:35,399 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:24:35,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-18 00:24:35,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2020-07-18 00:24:35,403 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 27 [2020-07-18 00:24:35,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:24:35,403 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2020-07-18 00:24:35,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 00:24:35,404 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 52 states and 54 transitions. [2020-07-18 00:24:35,485 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:24:35,486 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2020-07-18 00:24:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-18 00:24:35,487 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:24:35,487 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:24:35,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:24:35,488 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:24:35,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:24:35,489 INFO L82 PathProgramCache]: Analyzing trace with hash -2100491616, now seen corresponding path program 1 times [2020-07-18 00:24:35,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:24:35,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244628639] [2020-07-18 00:24:35,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:24:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:24:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:24:35,655 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:24:35,656 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 00:24:35,656 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 00:24:35,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 00:24:35,685 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 00:24:35,686 WARN L170 areAnnotationChecker]: myexitENTRY has no Hoare annotation [2020-07-18 00:24:35,686 WARN L170 areAnnotationChecker]: __bswap_32ENTRY has no Hoare annotation [2020-07-18 00:24:35,686 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:24:35,686 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:24:35,686 WARN L170 areAnnotationChecker]: __bswap_64ENTRY has no Hoare annotation [2020-07-18 00:24:35,687 WARN L170 areAnnotationChecker]: __uint16_identityENTRY has no Hoare annotation [2020-07-18 00:24:35,687 WARN L170 areAnnotationChecker]: __uint64_identityENTRY has no Hoare annotation [2020-07-18 00:24:35,687 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 00:24:35,687 WARN L170 areAnnotationChecker]: __uint32_identityENTRY has no Hoare annotation [2020-07-18 00:24:35,687 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:24:35,687 WARN L170 areAnnotationChecker]: L514 has no Hoare annotation [2020-07-18 00:24:35,688 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-18 00:24:35,688 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:24:35,688 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:24:35,688 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-18 00:24:35,688 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2020-07-18 00:24:35,689 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2020-07-18 00:24:35,689 WARN L170 areAnnotationChecker]: L521 has no Hoare annotation [2020-07-18 00:24:35,689 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2020-07-18 00:24:35,689 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 00:24:35,689 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation [2020-07-18 00:24:35,689 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 00:24:35,690 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2020-07-18 00:24:35,690 WARN L170 areAnnotationChecker]: __uint16_identityFINAL has no Hoare annotation [2020-07-18 00:24:35,690 WARN L170 areAnnotationChecker]: __uint64_identityFINAL has no Hoare annotation [2020-07-18 00:24:35,690 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-18 00:24:35,690 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-18 00:24:35,690 WARN L170 areAnnotationChecker]: __uint32_identityFINAL has no Hoare annotation [2020-07-18 00:24:35,691 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 00:24:35,691 WARN L170 areAnnotationChecker]: __bswap_32FINAL has no Hoare annotation [2020-07-18 00:24:35,691 WARN L170 areAnnotationChecker]: __bswap_64FINAL has no Hoare annotation [2020-07-18 00:24:35,691 WARN L170 areAnnotationChecker]: L522-1 has no Hoare annotation [2020-07-18 00:24:35,691 WARN L170 areAnnotationChecker]: L522-1 has no Hoare annotation [2020-07-18 00:24:35,692 WARN L170 areAnnotationChecker]: L522-3 has no Hoare annotation [2020-07-18 00:24:35,692 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 00:24:35,692 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation [2020-07-18 00:24:35,692 WARN L170 areAnnotationChecker]: L525 has no Hoare annotation [2020-07-18 00:24:35,692 WARN L170 areAnnotationChecker]: L526-11 has no Hoare annotation [2020-07-18 00:24:35,692 WARN L170 areAnnotationChecker]: L526-11 has no Hoare annotation [2020-07-18 00:24:35,692 WARN L170 areAnnotationChecker]: L526-12 has no Hoare annotation [2020-07-18 00:24:35,693 WARN L170 areAnnotationChecker]: L526-1 has no Hoare annotation [2020-07-18 00:24:35,693 WARN L170 areAnnotationChecker]: L526-1 has no Hoare annotation [2020-07-18 00:24:35,693 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-18 00:24:35,693 WARN L170 areAnnotationChecker]: L526-2 has no Hoare annotation [2020-07-18 00:24:35,693 WARN L170 areAnnotationChecker]: L526-5 has no Hoare annotation [2020-07-18 00:24:35,693 WARN L170 areAnnotationChecker]: L526-5 has no Hoare annotation [2020-07-18 00:24:35,694 WARN L170 areAnnotationChecker]: L535 has no Hoare annotation [2020-07-18 00:24:35,694 WARN L170 areAnnotationChecker]: L526-3 has no Hoare annotation [2020-07-18 00:24:35,694 WARN L170 areAnnotationChecker]: L526-6 has no Hoare annotation [2020-07-18 00:24:35,694 WARN L170 areAnnotationChecker]: L526-9 has no Hoare annotation [2020-07-18 00:24:35,694 WARN L170 areAnnotationChecker]: L537 has no Hoare annotation [2020-07-18 00:24:35,694 WARN L170 areAnnotationChecker]: L526-7 has no Hoare annotation [2020-07-18 00:24:35,694 WARN L170 areAnnotationChecker]: L526-10 has no Hoare annotation [2020-07-18 00:24:35,695 WARN L170 areAnnotationChecker]: L538-2 has no Hoare annotation [2020-07-18 00:24:35,695 WARN L170 areAnnotationChecker]: L538-2 has no Hoare annotation [2020-07-18 00:24:35,695 WARN L170 areAnnotationChecker]: L538-2 has no Hoare annotation [2020-07-18 00:24:35,695 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-18 00:24:35,695 WARN L170 areAnnotationChecker]: L538-3 has no Hoare annotation [2020-07-18 00:24:35,695 WARN L170 areAnnotationChecker]: L539 has no Hoare annotation [2020-07-18 00:24:35,696 WARN L170 areAnnotationChecker]: L527-1 has no Hoare annotation [2020-07-18 00:24:35,696 WARN L170 areAnnotationChecker]: L546-2 has no Hoare annotation [2020-07-18 00:24:35,696 WARN L170 areAnnotationChecker]: L546-2 has no Hoare annotation [2020-07-18 00:24:35,696 WARN L170 areAnnotationChecker]: L546-2 has no Hoare annotation [2020-07-18 00:24:35,696 WARN L170 areAnnotationChecker]: L539-1 has no Hoare annotation [2020-07-18 00:24:35,696 WARN L170 areAnnotationChecker]: L539-1 has no Hoare annotation [2020-07-18 00:24:35,696 WARN L170 areAnnotationChecker]: L528 has no Hoare annotation [2020-07-18 00:24:35,697 WARN L170 areAnnotationChecker]: L546-3 has no Hoare annotation [2020-07-18 00:24:35,697 WARN L170 areAnnotationChecker]: L547 has no Hoare annotation [2020-07-18 00:24:35,697 WARN L170 areAnnotationChecker]: L539-2 has no Hoare annotation [2020-07-18 00:24:35,697 WARN L170 areAnnotationChecker]: L539-4 has no Hoare annotation [2020-07-18 00:24:35,697 WARN L170 areAnnotationChecker]: L529 has no Hoare annotation [2020-07-18 00:24:35,697 WARN L170 areAnnotationChecker]: L529 has no Hoare annotation [2020-07-18 00:24:35,697 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 00:24:35,698 WARN L170 areAnnotationChecker]: L547-1 has no Hoare annotation [2020-07-18 00:24:35,698 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-18 00:24:35,698 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-18 00:24:35,698 WARN L170 areAnnotationChecker]: L539-5 has no Hoare annotation [2020-07-18 00:24:35,698 WARN L170 areAnnotationChecker]: L529-1 has no Hoare annotation [2020-07-18 00:24:35,698 WARN L170 areAnnotationChecker]: L529-1 has no Hoare annotation [2020-07-18 00:24:35,699 WARN L170 areAnnotationChecker]: L529-3 has no Hoare annotation [2020-07-18 00:24:35,699 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 00:24:35,699 WARN L170 areAnnotationChecker]: L547-2 has no Hoare annotation [2020-07-18 00:24:35,699 WARN L170 areAnnotationChecker]: L542 has no Hoare annotation [2020-07-18 00:24:35,699 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-18 00:24:35,699 WARN L170 areAnnotationChecker]: L548 has no Hoare annotation [2020-07-18 00:24:35,699 WARN L170 areAnnotationChecker]: L542-1 has no Hoare annotation [2020-07-18 00:24:35,700 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation [2020-07-18 00:24:35,700 WARN L170 areAnnotationChecker]: L548-1 has no Hoare annotation [2020-07-18 00:24:35,700 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-18 00:24:35,700 WARN L170 areAnnotationChecker]: L531-1 has no Hoare annotation [2020-07-18 00:24:35,700 WARN L170 areAnnotationChecker]: L543-1 has no Hoare annotation [2020-07-18 00:24:35,700 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2020-07-18 00:24:35,700 WARN L170 areAnnotationChecker]: L543-2 has no Hoare annotation [2020-07-18 00:24:35,700 WARN L170 areAnnotationChecker]: L532-1 has no Hoare annotation [2020-07-18 00:24:35,701 WARN L170 areAnnotationChecker]: L532-2 has no Hoare annotation [2020-07-18 00:24:35,701 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 00:24:35,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:24:35 BoogieIcfgContainer [2020-07-18 00:24:35,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:24:35,712 INFO L168 Benchmark]: Toolchain (without parser) took 5028.92 ms. Allocated memory was 144.7 MB in the beginning and 249.0 MB in the end (delta: 104.3 MB). Free memory was 102.1 MB in the beginning and 119.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:24:35,713 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 144.7 MB. Free memory was 121.3 MB in the beginning and 121.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:24:35,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1021.39 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 101.7 MB in the beginning and 168.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:24:35,716 INFO L168 Benchmark]: Boogie Preprocessor took 85.75 ms. Allocated memory is still 203.4 MB. Free memory was 168.8 MB in the beginning and 166.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:24:35,717 INFO L168 Benchmark]: RCFGBuilder took 995.37 ms. Allocated memory is still 203.4 MB. Free memory was 165.3 MB in the beginning and 106.2 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:24:35,718 INFO L168 Benchmark]: TraceAbstraction took 2913.35 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 105.5 MB in the beginning and 119.5 MB in the end (delta: -14.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:24:35,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 144.7 MB. Free memory was 121.3 MB in the beginning and 121.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1021.39 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 101.7 MB in the beginning and 168.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.75 ms. Allocated memory is still 203.4 MB. Free memory was 168.8 MB in the beginning and 166.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 995.37 ms. Allocated memory is still 203.4 MB. Free memory was 165.3 MB in the beginning and 106.2 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2913.35 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 105.5 MB in the beginning and 119.5 MB in the end (delta: -14.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 540]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L521] List a = (List) malloc(sizeof(struct node)); [L522] COND FALSE !(a == 0) [L523] List t; [L524] List p = a; [L525] int i = 0; [L526] i < 30 && __VERIFIER_nondet_int() [L526] i < 30 && __VERIFIER_nondet_int() [L526] COND FALSE !(i < 30 && __VERIFIER_nondet_int()) [L534] p->h = i [L535] p->n = 0 [L536] p = a [L537] i = 0 [L538] COND TRUE p!=0 [L539] EXPR p->h [L539] COND TRUE p->h != 1 [L540] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 115 SDtfs, 38 SDslu, 88 SDs, 0 SdLazy, 134 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...