/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/heap-data/quick_sort_split.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:16:27,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:16:27,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:16:27,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:16:27,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:16:27,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:16:27,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:16:27,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:16:27,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:16:27,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:16:27,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:16:27,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:16:27,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:16:27,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:16:27,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:16:27,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:16:27,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:16:27,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:16:27,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:16:27,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:16:27,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:16:27,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:16:27,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:16:27,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:16:27,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:16:27,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:16:27,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:16:27,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:16:27,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:16:27,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:16:27,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:16:27,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:16:27,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:16:27,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:16:27,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:16:27,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:16:27,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:16:27,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:16:27,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:16:27,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:16:27,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:16:27,684 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 05:16:27,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:16:27,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:16:27,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:16:27,696 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:16:27,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:16:27,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:16:27,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:16:27,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:16:27,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:16:27,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:16:27,697 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:16:27,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:16:27,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:16:27,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:16:27,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:16:27,698 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:16:27,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:16:27,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:16:27,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:16:27,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:16:27,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:16:27,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:16:27,700 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 05:16:28,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:16:28,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:16:28,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:16:28,060 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:16:28,060 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:16:28,061 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/quick_sort_split.i [2020-07-18 05:16:28,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b0e1fab/12fb43cb744745c68148ebe37679a40b/FLAG8eb7df741 [2020-07-18 05:16:28,674 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:16:28,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i [2020-07-18 05:16:28,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b0e1fab/12fb43cb744745c68148ebe37679a40b/FLAG8eb7df741 [2020-07-18 05:16:28,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b0e1fab/12fb43cb744745c68148ebe37679a40b [2020-07-18 05:16:28,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:16:28,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:16:28,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:16:28,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:16:28,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:16:28,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:16:28" (1/1) ... [2020-07-18 05:16:28,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2512ac3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:28, skipping insertion in model container [2020-07-18 05:16:28,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:16:28" (1/1) ... [2020-07-18 05:16:28,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:16:29,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:16:29,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:16:29,624 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:16:29,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:16:29,731 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:16:29,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:29 WrapperNode [2020-07-18 05:16:29,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:16:29,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:16:29,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:16:29,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:16:29,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:29" (1/1) ... [2020-07-18 05:16:29,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:29" (1/1) ... [2020-07-18 05:16:29,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:29" (1/1) ... [2020-07-18 05:16:29,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:29" (1/1) ... [2020-07-18 05:16:29,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:29" (1/1) ... [2020-07-18 05:16:29,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:29" (1/1) ... [2020-07-18 05:16:29,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:29" (1/1) ... [2020-07-18 05:16:29,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:16:29,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:16:29,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:16:29,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:16:29,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:29" (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 05:16:29,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:16:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:16:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-18 05:16:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-18 05:16:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2020-07-18 05:16:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure create_list [2020-07-18 05:16:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:16:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 05:16:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:16:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-18 05:16:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-18 05:16:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-18 05:16:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-18 05:16:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-18 05:16:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-18 05:16:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-18 05:16:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-18 05:16:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-18 05:16:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-18 05:16:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-18 05:16:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-18 05:16:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-18 05:16:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-18 05:16:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-18 05:16:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-18 05:16:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-18 05:16:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-18 05:16:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-18 05:16:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-18 05:16:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-18 05:16:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-18 05:16:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-18 05:16:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-18 05:16:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-18 05:16:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-18 05:16:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-18 05:16:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-18 05:16:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-18 05:16:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-18 05:16:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-18 05:16:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-18 05:16:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-18 05:16:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-18 05:16:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-18 05:16:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-18 05:16:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-18 05:16:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-18 05:16:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-18 05:16:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-18 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-18 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-18 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-18 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-18 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-18 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-18 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-18 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-18 05:16:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-18 05:16:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-18 05:16:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-18 05:16:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-18 05:16:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 05:16:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-18 05:16:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-18 05:16:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-18 05:16:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-18 05:16:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-18 05:16:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-18 05:16:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-18 05:16:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-18 05:16:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 05:16:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-18 05:16:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-18 05:16:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-18 05:16:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-18 05:16:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-18 05:16:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-18 05:16:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-18 05:16:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-18 05:16:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-18 05:16:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-18 05:16:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-18 05:16:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-18 05:16:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-18 05:16:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-18 05:16:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-18 05:16:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-18 05:16:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-18 05:16:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-18 05:16:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-18 05:16:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-18 05:16:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-18 05:16:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-18 05:16:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-18 05:16:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-18 05:16:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-18 05:16:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-18 05:16:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-18 05:16:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-18 05:16:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-18 05:16:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-18 05:16:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-18 05:16:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-18 05:16:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-18 05:16:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-18 05:16:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-18 05:16:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-18 05:16:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-18 05:16:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-18 05:16:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-18 05:16:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-18 05:16:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-18 05:16:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-18 05:16:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-18 05:16:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2020-07-18 05:16:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 05:16:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 05:16:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 05:16:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 05:16:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure create_list [2020-07-18 05:16:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 05:16:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-18 05:16:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 05:16:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:16:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 05:16:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:16:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:16:30,588 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:16:30,588 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-18 05:16:30,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:16:30 BoogieIcfgContainer [2020-07-18 05:16:30,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:16:30,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:16:30,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:16:30,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:16:30,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:16:28" (1/3) ... [2020-07-18 05:16:30,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7be741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:16:30, skipping insertion in model container [2020-07-18 05:16:30,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:16:29" (2/3) ... [2020-07-18 05:16:30,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7be741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:16:30, skipping insertion in model container [2020-07-18 05:16:30,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:16:30" (3/3) ... [2020-07-18 05:16:30,602 INFO L109 eAbstractionObserver]: Analyzing ICFG quick_sort_split.i [2020-07-18 05:16:30,614 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:16:30,623 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-07-18 05:16:30,639 INFO L251 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-07-18 05:16:30,663 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:16:30,663 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:16:30,663 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:16:30,663 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:16:30,664 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:16:30,665 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:16:30,665 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:16:30,665 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:16:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2020-07-18 05:16:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-18 05:16:30,706 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:30,707 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 05:16:30,708 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:30,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:30,716 INFO L82 PathProgramCache]: Analyzing trace with hash 958208796, now seen corresponding path program 1 times [2020-07-18 05:16:30,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:30,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293381142] [2020-07-18 05:16:30,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:30,998 INFO L280 TraceCheckUtils]: 0: Hoare triple {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {86#true} is VALID [2020-07-18 05:16:31,018 INFO L280 TraceCheckUtils]: 1: Hoare triple {86#true} #valid := #valid[0 := 0]; {86#true} is VALID [2020-07-18 05:16:31,018 INFO L280 TraceCheckUtils]: 2: Hoare triple {86#true} assume 0 < #StackHeapBarrier; {86#true} is VALID [2020-07-18 05:16:31,019 INFO L280 TraceCheckUtils]: 3: Hoare triple {86#true} assume true; {86#true} is VALID [2020-07-18 05:16:31,024 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {86#true} {86#true} #155#return; {86#true} is VALID [2020-07-18 05:16:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:31,194 INFO L280 TraceCheckUtils]: 0: Hoare triple {104#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(4); srcloc: create_listENTRY {86#true} is VALID [2020-07-18 05:16:31,195 INFO L280 TraceCheckUtils]: 1: Hoare triple {86#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); srcloc: L570 {86#true} is VALID [2020-07-18 05:16:31,196 INFO L280 TraceCheckUtils]: 2: Hoare triple {86#true} assume !true; {87#false} is VALID [2020-07-18 05:16:31,196 INFO L280 TraceCheckUtils]: 3: Hoare triple {87#false} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~#list~0.base, ~#list~0.offset, 4); srcloc: L571-4 {87#false} is VALID [2020-07-18 05:16:31,197 INFO L280 TraceCheckUtils]: 4: Hoare triple {87#false} #res.base, #res.offset := #t~mem6.base, #t~mem6.offset; {87#false} is VALID [2020-07-18 05:16:31,197 INFO L280 TraceCheckUtils]: 5: Hoare triple {87#false} havoc #t~mem6.base, #t~mem6.offset; {87#false} is VALID [2020-07-18 05:16:31,197 INFO L280 TraceCheckUtils]: 6: Hoare triple {87#false} SUMMARY for call ULTIMATE.dealloc(~#list~0.base, ~#list~0.offset); srcloc: L570-2 {87#false} is VALID [2020-07-18 05:16:31,198 INFO L280 TraceCheckUtils]: 7: Hoare triple {87#false} havoc ~#list~0.base, ~#list~0.offset; {87#false} is VALID [2020-07-18 05:16:31,198 INFO L280 TraceCheckUtils]: 8: Hoare triple {87#false} assume true; {87#false} is VALID [2020-07-18 05:16:31,198 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {87#false} {86#true} #149#return; {87#false} is VALID [2020-07-18 05:16:31,200 INFO L263 TraceCheckUtils]: 0: Hoare triple {86#true} call ULTIMATE.init(); {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:16:31,201 INFO L280 TraceCheckUtils]: 1: Hoare triple {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {86#true} is VALID [2020-07-18 05:16:31,201 INFO L280 TraceCheckUtils]: 2: Hoare triple {86#true} #valid := #valid[0 := 0]; {86#true} is VALID [2020-07-18 05:16:31,201 INFO L280 TraceCheckUtils]: 3: Hoare triple {86#true} assume 0 < #StackHeapBarrier; {86#true} is VALID [2020-07-18 05:16:31,202 INFO L280 TraceCheckUtils]: 4: Hoare triple {86#true} assume true; {86#true} is VALID [2020-07-18 05:16:31,202 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {86#true} {86#true} #155#return; {86#true} is VALID [2020-07-18 05:16:31,202 INFO L263 TraceCheckUtils]: 6: Hoare triple {86#true} call #t~ret15 := main(); {86#true} is VALID [2020-07-18 05:16:31,204 INFO L263 TraceCheckUtils]: 7: Hoare triple {86#true} call #t~ret7.base, #t~ret7.offset := create_list(); {104#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 05:16:31,204 INFO L280 TraceCheckUtils]: 8: Hoare triple {104#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(4); srcloc: create_listENTRY {86#true} is VALID [2020-07-18 05:16:31,205 INFO L280 TraceCheckUtils]: 9: Hoare triple {86#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); srcloc: L570 {86#true} is VALID [2020-07-18 05:16:31,205 INFO L280 TraceCheckUtils]: 10: Hoare triple {86#true} assume !true; {87#false} is VALID [2020-07-18 05:16:31,206 INFO L280 TraceCheckUtils]: 11: Hoare triple {87#false} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~#list~0.base, ~#list~0.offset, 4); srcloc: L571-4 {87#false} is VALID [2020-07-18 05:16:31,206 INFO L280 TraceCheckUtils]: 12: Hoare triple {87#false} #res.base, #res.offset := #t~mem6.base, #t~mem6.offset; {87#false} is VALID [2020-07-18 05:16:31,206 INFO L280 TraceCheckUtils]: 13: Hoare triple {87#false} havoc #t~mem6.base, #t~mem6.offset; {87#false} is VALID [2020-07-18 05:16:31,207 INFO L280 TraceCheckUtils]: 14: Hoare triple {87#false} SUMMARY for call ULTIMATE.dealloc(~#list~0.base, ~#list~0.offset); srcloc: L570-2 {87#false} is VALID [2020-07-18 05:16:31,207 INFO L280 TraceCheckUtils]: 15: Hoare triple {87#false} havoc ~#list~0.base, ~#list~0.offset; {87#false} is VALID [2020-07-18 05:16:31,207 INFO L280 TraceCheckUtils]: 16: Hoare triple {87#false} assume true; {87#false} is VALID [2020-07-18 05:16:31,208 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {87#false} {86#true} #149#return; {87#false} is VALID [2020-07-18 05:16:31,208 INFO L280 TraceCheckUtils]: 18: Hoare triple {87#false} ~list~1.base, ~list~1.offset := #t~ret7.base, #t~ret7.offset; {87#false} is VALID [2020-07-18 05:16:31,208 INFO L280 TraceCheckUtils]: 19: Hoare triple {87#false} havoc #t~ret7.base, #t~ret7.offset; {87#false} is VALID [2020-07-18 05:16:31,209 INFO L280 TraceCheckUtils]: 20: Hoare triple {87#false} ~low~0.base, ~low~0.offset := 0, 0; {87#false} is VALID [2020-07-18 05:16:31,209 INFO L280 TraceCheckUtils]: 21: Hoare triple {87#false} ~high~0.base, ~high~0.offset := 0, 0; {87#false} is VALID [2020-07-18 05:16:31,209 INFO L280 TraceCheckUtils]: 22: Hoare triple {87#false} ~p~0.base, ~p~0.offset := ~list~1.base, ~list~1.offset; {87#false} is VALID [2020-07-18 05:16:31,210 INFO L280 TraceCheckUtils]: 23: Hoare triple {87#false} assume !(~p~0.base != 0 || ~p~0.offset != 0); {87#false} is VALID [2020-07-18 05:16:31,210 INFO L280 TraceCheckUtils]: 24: Hoare triple {87#false} assume !!(~low~0.base != 0 || ~low~0.offset != 0); {87#false} is VALID [2020-07-18 05:16:31,210 INFO L280 TraceCheckUtils]: 25: Hoare triple {87#false} SUMMARY for call #t~mem11 := read~int(~low~0.base, ~low~0.offset, 4); srcloc: L593 {87#false} is VALID [2020-07-18 05:16:31,211 INFO L280 TraceCheckUtils]: 26: Hoare triple {87#false} assume !(-1 == #t~mem11); {87#false} is VALID [2020-07-18 05:16:31,211 INFO L280 TraceCheckUtils]: 27: Hoare triple {87#false} havoc #t~mem11; {87#false} is VALID [2020-07-18 05:16:31,211 INFO L280 TraceCheckUtils]: 28: Hoare triple {87#false} assume !false; {87#false} is VALID [2020-07-18 05:16:31,215 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 05:16:31,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293381142] [2020-07-18 05:16:31,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:16:31,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 05:16:31,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621498464] [2020-07-18 05:16:31,226 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-07-18 05:16:31,228 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:31,233 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 05:16:31,285 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:31,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 05:16:31,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:31,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 05:16:31,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:16:31,298 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 4 states. [2020-07-18 05:16:31,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:31,896 INFO L93 Difference]: Finished difference Result 133 states and 153 transitions. [2020-07-18 05:16:31,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 05:16:31,897 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-07-18 05:16:31,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:16:31,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 153 transitions. [2020-07-18 05:16:31,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:16:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 153 transitions. [2020-07-18 05:16:31,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 153 transitions. [2020-07-18 05:16:32,113 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 153 edges. 153 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:32,130 INFO L225 Difference]: With dead ends: 133 [2020-07-18 05:16:32,131 INFO L226 Difference]: Without dead ends: 79 [2020-07-18 05:16:32,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-18 05:16:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-07-18 05:16:32,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-07-18 05:16:32,247 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:32,248 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand 79 states. [2020-07-18 05:16:32,248 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2020-07-18 05:16:32,248 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2020-07-18 05:16:32,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:32,258 INFO L93 Difference]: Finished difference Result 79 states and 85 transitions. [2020-07-18 05:16:32,258 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2020-07-18 05:16:32,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:32,260 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:32,260 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 79 states. [2020-07-18 05:16:32,260 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 79 states. [2020-07-18 05:16:32,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:32,268 INFO L93 Difference]: Finished difference Result 79 states and 85 transitions. [2020-07-18 05:16:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2020-07-18 05:16:32,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:32,270 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:32,270 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:32,270 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-18 05:16:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2020-07-18 05:16:32,279 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 29 [2020-07-18 05:16:32,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:32,279 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2020-07-18 05:16:32,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 05:16:32,280 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 79 states and 85 transitions. [2020-07-18 05:16:32,384 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2020-07-18 05:16:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-18 05:16:32,386 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:32,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:16:32,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:16:32,387 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:32,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:32,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1823620041, now seen corresponding path program 1 times [2020-07-18 05:16:32,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:32,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481290261] [2020-07-18 05:16:32,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:32,492 INFO L280 TraceCheckUtils]: 0: Hoare triple {712#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {692#true} is VALID [2020-07-18 05:16:32,492 INFO L280 TraceCheckUtils]: 1: Hoare triple {692#true} #valid := #valid[0 := 0]; {692#true} is VALID [2020-07-18 05:16:32,492 INFO L280 TraceCheckUtils]: 2: Hoare triple {692#true} assume 0 < #StackHeapBarrier; {692#true} is VALID [2020-07-18 05:16:32,493 INFO L280 TraceCheckUtils]: 3: Hoare triple {692#true} assume true; {692#true} is VALID [2020-07-18 05:16:32,493 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {692#true} {692#true} #155#return; {692#true} is VALID [2020-07-18 05:16:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:32,526 INFO L280 TraceCheckUtils]: 0: Hoare triple {713#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(4); srcloc: create_listENTRY {692#true} is VALID [2020-07-18 05:16:32,526 INFO L280 TraceCheckUtils]: 1: Hoare triple {692#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); srcloc: L570 {692#true} is VALID [2020-07-18 05:16:32,526 INFO L280 TraceCheckUtils]: 2: Hoare triple {692#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {692#true} is VALID [2020-07-18 05:16:32,527 INFO L280 TraceCheckUtils]: 3: Hoare triple {692#true} assume !(0 != #t~nondet4); {692#true} is VALID [2020-07-18 05:16:32,527 INFO L280 TraceCheckUtils]: 4: Hoare triple {692#true} havoc #t~nondet4; {692#true} is VALID [2020-07-18 05:16:32,527 INFO L280 TraceCheckUtils]: 5: Hoare triple {692#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~#list~0.base, ~#list~0.offset, 4); srcloc: L571-4 {692#true} is VALID [2020-07-18 05:16:32,528 INFO L280 TraceCheckUtils]: 6: Hoare triple {692#true} #res.base, #res.offset := #t~mem6.base, #t~mem6.offset; {692#true} is VALID [2020-07-18 05:16:32,528 INFO L280 TraceCheckUtils]: 7: Hoare triple {692#true} havoc #t~mem6.base, #t~mem6.offset; {692#true} is VALID [2020-07-18 05:16:32,528 INFO L280 TraceCheckUtils]: 8: Hoare triple {692#true} SUMMARY for call ULTIMATE.dealloc(~#list~0.base, ~#list~0.offset); srcloc: L570-2 {692#true} is VALID [2020-07-18 05:16:32,529 INFO L280 TraceCheckUtils]: 9: Hoare triple {692#true} havoc ~#list~0.base, ~#list~0.offset; {692#true} is VALID [2020-07-18 05:16:32,529 INFO L280 TraceCheckUtils]: 10: Hoare triple {692#true} assume true; {692#true} is VALID [2020-07-18 05:16:32,529 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {692#true} {692#true} #149#return; {692#true} is VALID [2020-07-18 05:16:32,530 INFO L263 TraceCheckUtils]: 0: Hoare triple {692#true} call ULTIMATE.init(); {712#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:16:32,531 INFO L280 TraceCheckUtils]: 1: Hoare triple {712#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {692#true} is VALID [2020-07-18 05:16:32,531 INFO L280 TraceCheckUtils]: 2: Hoare triple {692#true} #valid := #valid[0 := 0]; {692#true} is VALID [2020-07-18 05:16:32,531 INFO L280 TraceCheckUtils]: 3: Hoare triple {692#true} assume 0 < #StackHeapBarrier; {692#true} is VALID [2020-07-18 05:16:32,532 INFO L280 TraceCheckUtils]: 4: Hoare triple {692#true} assume true; {692#true} is VALID [2020-07-18 05:16:32,532 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {692#true} {692#true} #155#return; {692#true} is VALID [2020-07-18 05:16:32,532 INFO L263 TraceCheckUtils]: 6: Hoare triple {692#true} call #t~ret15 := main(); {692#true} is VALID [2020-07-18 05:16:32,533 INFO L263 TraceCheckUtils]: 7: Hoare triple {692#true} call #t~ret7.base, #t~ret7.offset := create_list(); {713#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 05:16:32,534 INFO L280 TraceCheckUtils]: 8: Hoare triple {713#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(4); srcloc: create_listENTRY {692#true} is VALID [2020-07-18 05:16:32,534 INFO L280 TraceCheckUtils]: 9: Hoare triple {692#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); srcloc: L570 {692#true} is VALID [2020-07-18 05:16:32,534 INFO L280 TraceCheckUtils]: 10: Hoare triple {692#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {692#true} is VALID [2020-07-18 05:16:32,535 INFO L280 TraceCheckUtils]: 11: Hoare triple {692#true} assume !(0 != #t~nondet4); {692#true} is VALID [2020-07-18 05:16:32,535 INFO L280 TraceCheckUtils]: 12: Hoare triple {692#true} havoc #t~nondet4; {692#true} is VALID [2020-07-18 05:16:32,535 INFO L280 TraceCheckUtils]: 13: Hoare triple {692#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~#list~0.base, ~#list~0.offset, 4); srcloc: L571-4 {692#true} is VALID [2020-07-18 05:16:32,535 INFO L280 TraceCheckUtils]: 14: Hoare triple {692#true} #res.base, #res.offset := #t~mem6.base, #t~mem6.offset; {692#true} is VALID [2020-07-18 05:16:32,536 INFO L280 TraceCheckUtils]: 15: Hoare triple {692#true} havoc #t~mem6.base, #t~mem6.offset; {692#true} is VALID [2020-07-18 05:16:32,536 INFO L280 TraceCheckUtils]: 16: Hoare triple {692#true} SUMMARY for call ULTIMATE.dealloc(~#list~0.base, ~#list~0.offset); srcloc: L570-2 {692#true} is VALID [2020-07-18 05:16:32,536 INFO L280 TraceCheckUtils]: 17: Hoare triple {692#true} havoc ~#list~0.base, ~#list~0.offset; {692#true} is VALID [2020-07-18 05:16:32,537 INFO L280 TraceCheckUtils]: 18: Hoare triple {692#true} assume true; {692#true} is VALID [2020-07-18 05:16:32,537 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {692#true} {692#true} #149#return; {692#true} is VALID [2020-07-18 05:16:32,537 INFO L280 TraceCheckUtils]: 20: Hoare triple {692#true} ~list~1.base, ~list~1.offset := #t~ret7.base, #t~ret7.offset; {692#true} is VALID [2020-07-18 05:16:32,537 INFO L280 TraceCheckUtils]: 21: Hoare triple {692#true} havoc #t~ret7.base, #t~ret7.offset; {692#true} is VALID [2020-07-18 05:16:32,539 INFO L280 TraceCheckUtils]: 22: Hoare triple {692#true} ~low~0.base, ~low~0.offset := 0, 0; {711#(and (= 0 main_~low~0.offset) (= 0 main_~low~0.base))} is VALID [2020-07-18 05:16:32,540 INFO L280 TraceCheckUtils]: 23: Hoare triple {711#(and (= 0 main_~low~0.offset) (= 0 main_~low~0.base))} ~high~0.base, ~high~0.offset := 0, 0; {711#(and (= 0 main_~low~0.offset) (= 0 main_~low~0.base))} is VALID [2020-07-18 05:16:32,541 INFO L280 TraceCheckUtils]: 24: Hoare triple {711#(and (= 0 main_~low~0.offset) (= 0 main_~low~0.base))} ~p~0.base, ~p~0.offset := ~list~1.base, ~list~1.offset; {711#(and (= 0 main_~low~0.offset) (= 0 main_~low~0.base))} is VALID [2020-07-18 05:16:32,542 INFO L280 TraceCheckUtils]: 25: Hoare triple {711#(and (= 0 main_~low~0.offset) (= 0 main_~low~0.base))} assume !(~p~0.base != 0 || ~p~0.offset != 0); {711#(and (= 0 main_~low~0.offset) (= 0 main_~low~0.base))} is VALID [2020-07-18 05:16:32,543 INFO L280 TraceCheckUtils]: 26: Hoare triple {711#(and (= 0 main_~low~0.offset) (= 0 main_~low~0.base))} assume !!(~low~0.base != 0 || ~low~0.offset != 0); {693#false} is VALID [2020-07-18 05:16:32,543 INFO L280 TraceCheckUtils]: 27: Hoare triple {693#false} SUMMARY for call #t~mem11 := read~int(~low~0.base, ~low~0.offset, 4); srcloc: L593 {693#false} is VALID [2020-07-18 05:16:32,544 INFO L280 TraceCheckUtils]: 28: Hoare triple {693#false} assume !(-1 == #t~mem11); {693#false} is VALID [2020-07-18 05:16:32,544 INFO L280 TraceCheckUtils]: 29: Hoare triple {693#false} havoc #t~mem11; {693#false} is VALID [2020-07-18 05:16:32,544 INFO L280 TraceCheckUtils]: 30: Hoare triple {693#false} assume !false; {693#false} is VALID [2020-07-18 05:16:32,546 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 05:16:32,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481290261] [2020-07-18 05:16:32,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:16:32,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 05:16:32,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40250133] [2020-07-18 05:16:32,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-18 05:16:32,549 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:32,549 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 05:16:32,588 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:32,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 05:16:32,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:32,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 05:16:32,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 05:16:32,589 INFO L87 Difference]: Start difference. First operand 79 states and 85 transitions. Second operand 5 states. [2020-07-18 05:16:33,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:33,171 INFO L93 Difference]: Finished difference Result 90 states and 97 transitions. [2020-07-18 05:16:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 05:16:33,171 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-18 05:16:33,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:16:33,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 97 transitions. [2020-07-18 05:16:33,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:16:33,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 97 transitions. [2020-07-18 05:16:33,189 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 97 transitions. [2020-07-18 05:16:33,330 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:33,335 INFO L225 Difference]: With dead ends: 90 [2020-07-18 05:16:33,336 INFO L226 Difference]: Without dead ends: 70 [2020-07-18 05:16:33,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 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 05:16:33,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-18 05:16:33,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-18 05:16:33,406 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:33,406 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 70 states. [2020-07-18 05:16:33,407 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-18 05:16:33,407 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-18 05:16:33,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:33,411 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2020-07-18 05:16:33,411 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2020-07-18 05:16:33,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:33,412 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:33,412 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 70 states. [2020-07-18 05:16:33,413 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 70 states. [2020-07-18 05:16:33,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:33,417 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2020-07-18 05:16:33,417 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2020-07-18 05:16:33,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:33,418 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:33,418 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:33,418 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:33,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-18 05:16:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2020-07-18 05:16:33,422 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 31 [2020-07-18 05:16:33,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:33,423 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2020-07-18 05:16:33,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 05:16:33,423 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 75 transitions. [2020-07-18 05:16:33,498 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:33,498 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2020-07-18 05:16:33,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-18 05:16:33,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:33,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:16:33,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 05:16:33,501 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:33,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:33,502 INFO L82 PathProgramCache]: Analyzing trace with hash 663231917, now seen corresponding path program 1 times [2020-07-18 05:16:33,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:33,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876696059] [2020-07-18 05:16:33,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:33,592 INFO L280 TraceCheckUtils]: 0: Hoare triple {1199#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1179#true} is VALID [2020-07-18 05:16:33,592 INFO L280 TraceCheckUtils]: 1: Hoare triple {1179#true} #valid := #valid[0 := 0]; {1179#true} is VALID [2020-07-18 05:16:33,593 INFO L280 TraceCheckUtils]: 2: Hoare triple {1179#true} assume 0 < #StackHeapBarrier; {1179#true} is VALID [2020-07-18 05:16:33,593 INFO L280 TraceCheckUtils]: 3: Hoare triple {1179#true} assume true; {1179#true} is VALID [2020-07-18 05:16:33,593 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1179#true} {1179#true} #155#return; {1179#true} is VALID [2020-07-18 05:16:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:33,624 INFO L280 TraceCheckUtils]: 0: Hoare triple {1200#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(4); srcloc: create_listENTRY {1179#true} is VALID [2020-07-18 05:16:33,624 INFO L280 TraceCheckUtils]: 1: Hoare triple {1179#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); srcloc: L570 {1179#true} is VALID [2020-07-18 05:16:33,625 INFO L280 TraceCheckUtils]: 2: Hoare triple {1179#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {1179#true} is VALID [2020-07-18 05:16:33,625 INFO L280 TraceCheckUtils]: 3: Hoare triple {1179#true} assume !(0 != #t~nondet4); {1179#true} is VALID [2020-07-18 05:16:33,625 INFO L280 TraceCheckUtils]: 4: Hoare triple {1179#true} havoc #t~nondet4; {1179#true} is VALID [2020-07-18 05:16:33,625 INFO L280 TraceCheckUtils]: 5: Hoare triple {1179#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~#list~0.base, ~#list~0.offset, 4); srcloc: L571-4 {1179#true} is VALID [2020-07-18 05:16:33,626 INFO L280 TraceCheckUtils]: 6: Hoare triple {1179#true} #res.base, #res.offset := #t~mem6.base, #t~mem6.offset; {1179#true} is VALID [2020-07-18 05:16:33,626 INFO L280 TraceCheckUtils]: 7: Hoare triple {1179#true} havoc #t~mem6.base, #t~mem6.offset; {1179#true} is VALID [2020-07-18 05:16:33,626 INFO L280 TraceCheckUtils]: 8: Hoare triple {1179#true} SUMMARY for call ULTIMATE.dealloc(~#list~0.base, ~#list~0.offset); srcloc: L570-2 {1179#true} is VALID [2020-07-18 05:16:33,627 INFO L280 TraceCheckUtils]: 9: Hoare triple {1179#true} havoc ~#list~0.base, ~#list~0.offset; {1179#true} is VALID [2020-07-18 05:16:33,627 INFO L280 TraceCheckUtils]: 10: Hoare triple {1179#true} assume true; {1179#true} is VALID [2020-07-18 05:16:33,627 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1179#true} {1179#true} #149#return; {1179#true} is VALID [2020-07-18 05:16:33,628 INFO L263 TraceCheckUtils]: 0: Hoare triple {1179#true} call ULTIMATE.init(); {1199#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:16:33,629 INFO L280 TraceCheckUtils]: 1: Hoare triple {1199#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1179#true} is VALID [2020-07-18 05:16:33,629 INFO L280 TraceCheckUtils]: 2: Hoare triple {1179#true} #valid := #valid[0 := 0]; {1179#true} is VALID [2020-07-18 05:16:33,629 INFO L280 TraceCheckUtils]: 3: Hoare triple {1179#true} assume 0 < #StackHeapBarrier; {1179#true} is VALID [2020-07-18 05:16:33,629 INFO L280 TraceCheckUtils]: 4: Hoare triple {1179#true} assume true; {1179#true} is VALID [2020-07-18 05:16:33,630 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1179#true} {1179#true} #155#return; {1179#true} is VALID [2020-07-18 05:16:33,630 INFO L263 TraceCheckUtils]: 6: Hoare triple {1179#true} call #t~ret15 := main(); {1179#true} is VALID [2020-07-18 05:16:33,631 INFO L263 TraceCheckUtils]: 7: Hoare triple {1179#true} call #t~ret7.base, #t~ret7.offset := create_list(); {1200#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-18 05:16:33,631 INFO L280 TraceCheckUtils]: 8: Hoare triple {1200#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(4); srcloc: create_listENTRY {1179#true} is VALID [2020-07-18 05:16:33,632 INFO L280 TraceCheckUtils]: 9: Hoare triple {1179#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4); srcloc: L570 {1179#true} is VALID [2020-07-18 05:16:33,632 INFO L280 TraceCheckUtils]: 10: Hoare triple {1179#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {1179#true} is VALID [2020-07-18 05:16:33,632 INFO L280 TraceCheckUtils]: 11: Hoare triple {1179#true} assume !(0 != #t~nondet4); {1179#true} is VALID [2020-07-18 05:16:33,633 INFO L280 TraceCheckUtils]: 12: Hoare triple {1179#true} havoc #t~nondet4; {1179#true} is VALID [2020-07-18 05:16:33,633 INFO L280 TraceCheckUtils]: 13: Hoare triple {1179#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~#list~0.base, ~#list~0.offset, 4); srcloc: L571-4 {1179#true} is VALID [2020-07-18 05:16:33,633 INFO L280 TraceCheckUtils]: 14: Hoare triple {1179#true} #res.base, #res.offset := #t~mem6.base, #t~mem6.offset; {1179#true} is VALID [2020-07-18 05:16:33,633 INFO L280 TraceCheckUtils]: 15: Hoare triple {1179#true} havoc #t~mem6.base, #t~mem6.offset; {1179#true} is VALID [2020-07-18 05:16:33,634 INFO L280 TraceCheckUtils]: 16: Hoare triple {1179#true} SUMMARY for call ULTIMATE.dealloc(~#list~0.base, ~#list~0.offset); srcloc: L570-2 {1179#true} is VALID [2020-07-18 05:16:33,634 INFO L280 TraceCheckUtils]: 17: Hoare triple {1179#true} havoc ~#list~0.base, ~#list~0.offset; {1179#true} is VALID [2020-07-18 05:16:33,634 INFO L280 TraceCheckUtils]: 18: Hoare triple {1179#true} assume true; {1179#true} is VALID [2020-07-18 05:16:33,635 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1179#true} {1179#true} #149#return; {1179#true} is VALID [2020-07-18 05:16:33,635 INFO L280 TraceCheckUtils]: 20: Hoare triple {1179#true} ~list~1.base, ~list~1.offset := #t~ret7.base, #t~ret7.offset; {1179#true} is VALID [2020-07-18 05:16:33,635 INFO L280 TraceCheckUtils]: 21: Hoare triple {1179#true} havoc #t~ret7.base, #t~ret7.offset; {1179#true} is VALID [2020-07-18 05:16:33,635 INFO L280 TraceCheckUtils]: 22: Hoare triple {1179#true} ~low~0.base, ~low~0.offset := 0, 0; {1179#true} is VALID [2020-07-18 05:16:33,636 INFO L280 TraceCheckUtils]: 23: Hoare triple {1179#true} ~high~0.base, ~high~0.offset := 0, 0; {1198#(and (= 0 main_~high~0.offset) (= 0 main_~high~0.base))} is VALID [2020-07-18 05:16:33,637 INFO L280 TraceCheckUtils]: 24: Hoare triple {1198#(and (= 0 main_~high~0.offset) (= 0 main_~high~0.base))} ~p~0.base, ~p~0.offset := ~list~1.base, ~list~1.offset; {1198#(and (= 0 main_~high~0.offset) (= 0 main_~high~0.base))} is VALID [2020-07-18 05:16:33,638 INFO L280 TraceCheckUtils]: 25: Hoare triple {1198#(and (= 0 main_~high~0.offset) (= 0 main_~high~0.base))} assume !(~p~0.base != 0 || ~p~0.offset != 0); {1198#(and (= 0 main_~high~0.offset) (= 0 main_~high~0.base))} is VALID [2020-07-18 05:16:33,639 INFO L280 TraceCheckUtils]: 26: Hoare triple {1198#(and (= 0 main_~high~0.offset) (= 0 main_~high~0.base))} assume !(~low~0.base != 0 || ~low~0.offset != 0); {1198#(and (= 0 main_~high~0.offset) (= 0 main_~high~0.base))} is VALID [2020-07-18 05:16:33,640 INFO L280 TraceCheckUtils]: 27: Hoare triple {1198#(and (= 0 main_~high~0.offset) (= 0 main_~high~0.base))} assume !!(~high~0.base != 0 || ~high~0.offset != 0); {1180#false} is VALID [2020-07-18 05:16:33,640 INFO L280 TraceCheckUtils]: 28: Hoare triple {1180#false} SUMMARY for call #t~mem13 := read~int(~high~0.base, ~high~0.offset, 4); srcloc: L598 {1180#false} is VALID [2020-07-18 05:16:33,640 INFO L280 TraceCheckUtils]: 29: Hoare triple {1180#false} assume !(1 == #t~mem13); {1180#false} is VALID [2020-07-18 05:16:33,641 INFO L280 TraceCheckUtils]: 30: Hoare triple {1180#false} havoc #t~mem13; {1180#false} is VALID [2020-07-18 05:16:33,641 INFO L280 TraceCheckUtils]: 31: Hoare triple {1180#false} assume !false; {1180#false} is VALID [2020-07-18 05:16:33,643 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 05:16:33,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876696059] [2020-07-18 05:16:33,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:16:33,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 05:16:33,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086081482] [2020-07-18 05:16:33,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-18 05:16:33,645 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:33,645 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 05:16:33,675 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:33,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 05:16:33,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:33,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 05:16:33,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 05:16:33,676 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 5 states. [2020-07-18 05:16:34,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:34,125 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2020-07-18 05:16:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 05:16:34,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-18 05:16:34,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:34,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:16:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 76 transitions. [2020-07-18 05:16:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:16:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 76 transitions. [2020-07-18 05:16:34,135 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 76 transitions. [2020-07-18 05:16:34,242 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:34,242 INFO L225 Difference]: With dead ends: 71 [2020-07-18 05:16:34,243 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 05:16:34,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 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 05:16:34,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 05:16:34,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 05:16:34,245 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:34,245 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 05:16:34,245 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 05:16:34,245 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 05:16:34,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:34,245 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 05:16:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 05:16:34,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:34,246 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:34,246 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 05:16:34,246 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 05:16:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:34,246 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 05:16:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 05:16:34,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:34,247 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:34,247 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:34,247 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 05:16:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 05:16:34,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-07-18 05:16:34,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:34,247 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 05:16:34,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 05:16:34,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 05:16:34,248 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:34,248 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 05:16:34,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:34,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 05:16:34,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 05:16:34,846 INFO L271 CegarLoopResult]: At program point L578-1(line 578) the Hoare annotation is: true [2020-07-18 05:16:34,846 INFO L271 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: true [2020-07-18 05:16:34,847 INFO L271 CegarLoopResult]: At program point L576-1(lines 570 577) the Hoare annotation is: true [2020-07-18 05:16:34,847 INFO L271 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: true [2020-07-18 05:16:34,847 INFO L271 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: true [2020-07-18 05:16:34,847 INFO L271 CegarLoopResult]: At program point L572-1(line 572) the Hoare annotation is: true [2020-07-18 05:16:34,847 INFO L271 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: true [2020-07-18 05:16:34,847 INFO L271 CegarLoopResult]: At program point L572-2(line 572) the Hoare annotation is: true [2020-07-18 05:16:34,847 INFO L271 CegarLoopResult]: At program point L570-2(line 570) the Hoare annotation is: true [2020-07-18 05:16:34,847 INFO L271 CegarLoopResult]: At program point L570-3(line 570) the Hoare annotation is: true [2020-07-18 05:16:34,848 INFO L271 CegarLoopResult]: At program point create_listEXIT(lines 569 579) the Hoare annotation is: true [2020-07-18 05:16:34,848 INFO L271 CegarLoopResult]: At program point L573(lines 573 576) the Hoare annotation is: true [2020-07-18 05:16:34,848 INFO L271 CegarLoopResult]: At program point L571(lines 571 577) the Hoare annotation is: true [2020-07-18 05:16:34,848 INFO L271 CegarLoopResult]: At program point L571-1(line 571) the Hoare annotation is: true [2020-07-18 05:16:34,848 INFO L271 CegarLoopResult]: At program point L571-3(line 571) the Hoare annotation is: true [2020-07-18 05:16:34,848 INFO L271 CegarLoopResult]: At program point L571-4(lines 571 577) the Hoare annotation is: true [2020-07-18 05:16:34,849 INFO L264 CegarLoopResult]: At program point create_listENTRY(lines 569 579) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 05:16:34,849 INFO L271 CegarLoopResult]: At program point create_listFINAL(lines 569 579) the Hoare annotation is: true [2020-07-18 05:16:34,849 INFO L271 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: true [2020-07-18 05:16:34,849 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-18 05:16:34,849 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-18 05:16:34,849 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 05:16:34,849 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-18 05:16:34,849 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 05:16:34,850 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 64 68) no Hoare annotation was computed. [2020-07-18 05:16:34,850 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 64 68) no Hoare annotation was computed. [2020-07-18 05:16:34,850 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 64 68) no Hoare annotation was computed. [2020-07-18 05:16:34,850 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-18 05:16:34,850 INFO L268 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2020-07-18 05:16:34,850 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 69 73) no Hoare annotation was computed. [2020-07-18 05:16:34,850 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 69 73) no Hoare annotation was computed. [2020-07-18 05:16:34,850 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-18 05:16:34,850 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-18 05:16:34,851 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 69 73) no Hoare annotation was computed. [2020-07-18 05:16:34,851 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 05:16:34,851 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 05:16:34,851 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 05:16:34,851 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 05:16:34,851 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 580 602) the Hoare annotation is: true [2020-07-18 05:16:34,852 INFO L264 CegarLoopResult]: At program point L597-1(lines 580 602) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,852 INFO L271 CegarLoopResult]: At program point L597-2(lines 580 602) the Hoare annotation is: true [2020-07-18 05:16:34,852 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: false [2020-07-18 05:16:34,852 INFO L264 CegarLoopResult]: At program point L593-1(lines 593 594) the Hoare annotation is: false [2020-07-18 05:16:34,852 INFO L264 CegarLoopResult]: At program point L593-2(line 593) the Hoare annotation is: false [2020-07-18 05:16:34,852 INFO L264 CegarLoopResult]: At program point L593-4(line 593) the Hoare annotation is: false [2020-07-18 05:16:34,853 INFO L264 CegarLoopResult]: At program point L593-5(lines 593 594) the Hoare annotation is: false [2020-07-18 05:16:34,853 INFO L264 CegarLoopResult]: At program point L585-2(lines 585 591) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,853 INFO L271 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: true [2020-07-18 05:16:34,853 INFO L271 CegarLoopResult]: At program point L581-1(line 581) the Hoare annotation is: true [2020-07-18 05:16:34,853 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: false [2020-07-18 05:16:34,853 INFO L264 CegarLoopResult]: At program point L598-1(lines 598 599) the Hoare annotation is: false [2020-07-18 05:16:34,854 INFO L264 CegarLoopResult]: At program point L598-2(line 598) the Hoare annotation is: false [2020-07-18 05:16:34,854 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: false [2020-07-18 05:16:34,854 INFO L264 CegarLoopResult]: At program point L598-4(line 598) the Hoare annotation is: false [2020-07-18 05:16:34,854 INFO L264 CegarLoopResult]: At program point L598-5(lines 598 599) the Hoare annotation is: false [2020-07-18 05:16:34,854 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,854 INFO L264 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,854 INFO L264 CegarLoopResult]: At program point L586-1(line 586) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,855 INFO L264 CegarLoopResult]: At program point L586-2(line 586) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,855 INFO L271 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: true [2020-07-18 05:16:34,855 INFO L264 CegarLoopResult]: At program point L586-4(line 586) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,855 INFO L264 CegarLoopResult]: At program point L586-5(line 586) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,855 INFO L264 CegarLoopResult]: At program point L586-6(line 586) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,855 INFO L264 CegarLoopResult]: At program point L586-7(line 586) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,856 INFO L264 CegarLoopResult]: At program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 599) the Hoare annotation is: false [2020-07-18 05:16:34,856 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: false [2020-07-18 05:16:34,856 INFO L264 CegarLoopResult]: At program point L595(line 595) the Hoare annotation is: false [2020-07-18 05:16:34,856 INFO L264 CegarLoopResult]: At program point L595-1(line 595) the Hoare annotation is: false [2020-07-18 05:16:34,856 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,856 INFO L264 CegarLoopResult]: At program point L587-1(line 587) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,857 INFO L264 CegarLoopResult]: At program point L587-2(line 587) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,857 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (and (= 0 main_~low~0.offset) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,857 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 594) the Hoare annotation is: false [2020-07-18 05:16:34,857 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 580 602) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 05:16:34,857 INFO L264 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: false [2020-07-18 05:16:34,858 INFO L264 CegarLoopResult]: At program point L600-1(line 600) the Hoare annotation is: false [2020-07-18 05:16:34,858 INFO L264 CegarLoopResult]: At program point L592-1(lines 580 602) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,858 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,858 INFO L264 CegarLoopResult]: At program point L588-1(line 588) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,858 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= 0 main_~low~0.offset) (= 0 main_~high~0.base) (= 0 main_~low~0.base)) [2020-07-18 05:16:34,858 INFO L271 CegarLoopResult]: At program point append_to_listEXIT(lines 562 568) the Hoare annotation is: true [2020-07-18 05:16:34,859 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-07-18 05:16:34,859 INFO L271 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: true [2020-07-18 05:16:34,859 INFO L264 CegarLoopResult]: At program point append_to_listENTRY(lines 562 568) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 05:16:34,859 INFO L271 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: true [2020-07-18 05:16:34,859 INFO L271 CegarLoopResult]: At program point L565-1(line 565) the Hoare annotation is: true [2020-07-18 05:16:34,859 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 05:16:34,860 INFO L271 CegarLoopResult]: At program point L564-1(line 564) the Hoare annotation is: true [2020-07-18 05:16:34,860 INFO L264 CegarLoopResult]: At program point L562(lines 562 568) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 05:16:34,860 INFO L271 CegarLoopResult]: At program point L563-1(line 563) the Hoare annotation is: true [2020-07-18 05:16:34,860 INFO L271 CegarLoopResult]: At program point L564-2(line 564) the Hoare annotation is: true [2020-07-18 05:16:34,860 INFO L264 CegarLoopResult]: At program point L562-1(lines 562 568) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-18 05:16:34,860 INFO L271 CegarLoopResult]: At program point append_to_listFINAL(lines 562 568) the Hoare annotation is: true [2020-07-18 05:16:34,873 WARN L170 areAnnotationChecker]: __bswap_32ENTRY has no Hoare annotation [2020-07-18 05:16:34,874 WARN L170 areAnnotationChecker]: __bswap_64ENTRY has no Hoare annotation [2020-07-18 05:16:34,876 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-18 05:16:34,880 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-18 05:16:34,881 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2020-07-18 05:16:34,881 WARN L170 areAnnotationChecker]: L72-1 has no Hoare annotation [2020-07-18 05:16:34,884 WARN L170 areAnnotationChecker]: __bswap_32FINAL has no Hoare annotation [2020-07-18 05:16:34,884 WARN L170 areAnnotationChecker]: __bswap_64FINAL has no Hoare annotation [2020-07-18 05:16:34,900 INFO L163 areAnnotationChecker]: CFG has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 05:16:34,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:16:34 BoogieIcfgContainer [2020-07-18 05:16:34,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:16:34,928 INFO L168 Benchmark]: Toolchain (without parser) took 5951.37 ms. Allocated memory was 134.7 MB in the beginning and 307.2 MB in the end (delta: 172.5 MB). Free memory was 98.5 MB in the beginning and 150.6 MB in the end (delta: -52.1 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:16:34,930 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 134.7 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-18 05:16:34,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.81 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 98.1 MB in the beginning and 165.6 MB in the end (delta: -67.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-18 05:16:34,937 INFO L168 Benchmark]: Boogie Preprocessor took 82.59 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 161.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-07-18 05:16:34,938 INFO L168 Benchmark]: RCFGBuilder took 777.68 ms. Allocated memory is still 200.3 MB. Free memory was 161.9 MB in the beginning and 97.3 MB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. [2020-07-18 05:16:34,945 INFO L168 Benchmark]: TraceAbstraction took 4328.66 ms. Allocated memory was 200.3 MB in the beginning and 307.2 MB in the end (delta: 107.0 MB). Free memory was 96.6 MB in the beginning and 150.6 MB in the end (delta: -54.0 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2020-07-18 05:16:34,952 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 0.82 ms. Allocated memory is still 134.7 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.81 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 98.1 MB in the beginning and 165.6 MB in the end (delta: -67.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.59 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 161.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 777.68 ms. Allocated memory is still 200.3 MB. Free memory was 161.9 MB in the beginning and 97.3 MB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4328.66 ms. Allocated memory was 200.3 MB in the beginning and 307.2 MB in the end (delta: 107.0 MB). Free memory was 96.6 MB in the beginning and 150.6 MB in the end (delta: -54.0 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 594]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 599]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((0 == high && 0 == low) && 0 == high) && 0 == low - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 569]: Procedure Contract for create_list Derived contract for procedure create_list: 1 - ProcedureContractResult [Line: 580]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 562]: Procedure Contract for append_to_list Derived contract for procedure append_to_list: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 93 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 62 SDslu, 236 SDs, 0 SdLazy, 274 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 83 LocationsWithAnnotation, 96 PreInvPairs, 128 NumberOfFragments, 394 HoareAnnotationTreeSize, 96 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 83 FomulaSimplificationsInter, 61 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 6245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...