/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:56:30,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:56:30,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:56:30,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 01:56:30,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 01:56:30,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 01:56:30,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 01:56:30,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 01:56:30,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 01:56:30,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 01:56:30,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 01:56:30,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 01:56:30,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:56:30,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:56:30,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:56:30,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:56:30,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:56:30,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:56:30,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:56:30,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:56:30,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:56:30,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:56:30,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:56:30,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:56:30,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 01:56:30,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 01:56:30,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 01:56:30,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 01:56:30,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 01:56:30,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 01:56:30,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 01:56:30,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 01:56:30,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 01:56:30,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 01:56:30,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 01:56:30,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 01:56:30,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 01:56:30,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 01:56:30,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:56:30,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:56:30,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:56:30,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:56:30,156 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:56:30,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:56:30,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:56:30,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:56:30,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:56:30,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:56:30,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:56:30,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:56:30,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:56:30,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:56:30,163 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:56:30,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:56:30,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:56:30,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:56:30,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:56:30,165 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:56:30,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:56:30,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:56:30,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:56:30,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:56:30,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:56:30,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:56:30,168 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:56:30,168 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:56:30,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:56:30,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:56:30,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:56:30,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:56:30,680 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:56:30,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2021-02-22 01:56:30,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a863e24a2/b2680048fb2e491cab4914329ef5a5e8/FLAG4835215fe [2021-02-22 01:56:31,408 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:56:31,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i [2021-02-22 01:56:31,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a863e24a2/b2680048fb2e491cab4914329ef5a5e8/FLAG4835215fe [2021-02-22 01:56:31,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a863e24a2/b2680048fb2e491cab4914329ef5a5e8 [2021-02-22 01:56:31,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:56:31,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:56:31,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:56:31,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:56:31,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:56:31,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:56:31" (1/1) ... [2021-02-22 01:56:31,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac172b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:31, skipping insertion in model container [2021-02-22 01:56:31,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:56:31" (1/1) ... [2021-02-22 01:56:31,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:56:31,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:56:31,934 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i[291,304] [2021-02-22 01:56:32,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:56:32,090 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:56:32,106 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i[291,304] [2021-02-22 01:56:32,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:56:32,249 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:56:32,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:32 WrapperNode [2021-02-22 01:56:32,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:56:32,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:56:32,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:56:32,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:56:32,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:32" (1/1) ... [2021-02-22 01:56:32,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:32" (1/1) ... [2021-02-22 01:56:32,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:32" (1/1) ... [2021-02-22 01:56:32,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:32" (1/1) ... [2021-02-22 01:56:32,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:32" (1/1) ... [2021-02-22 01:56:32,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:32" (1/1) ... [2021-02-22 01:56:32,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:32" (1/1) ... [2021-02-22 01:56:32,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:56:32,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:56:32,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:56:32,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:56:32,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:56:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:56:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:56:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:56:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-22 01:56:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-22 01:56:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-22 01:56:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-22 01:56:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-22 01:56:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-22 01:56:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-02-22 01:56:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-02-22 01:56:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:56:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:56:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:56:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:56:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:56:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-22 01:56:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-22 01:56:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-22 01:56:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-22 01:56:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-22 01:56:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-22 01:56:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-22 01:56:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-22 01:56:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-22 01:56:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-22 01:56:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-22 01:56:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-22 01:56:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-22 01:56:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-22 01:56:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-22 01:56:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-22 01:56:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-22 01:56:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-22 01:56:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-22 01:56:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-22 01:56:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-22 01:56:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-22 01:56:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-22 01:56:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-22 01:56:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-22 01:56:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-22 01:56:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-22 01:56:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-22 01:56:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-22 01:56:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-22 01:56:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-22 01:56:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-22 01:56:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-22 01:56:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-22 01:56:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-22 01:56:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-22 01:56:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-22 01:56:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-22 01:56:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-22 01:56:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-22 01:56:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-22 01:56:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-22 01:56:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-22 01:56:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-22 01:56:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-22 01:56:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-22 01:56:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-22 01:56:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-22 01:56:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-22 01:56:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-22 01:56:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-22 01:56:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-22 01:56:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-22 01:56:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-22 01:56:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-22 01:56:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-22 01:56:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 01:56:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 01:56:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 01:56:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 01:56:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-22 01:56:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 01:56:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-22 01:56:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-22 01:56:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-22 01:56:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-22 01:56:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-22 01:56:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 01:56:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-22 01:56:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-22 01:56:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-22 01:56:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-22 01:56:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-22 01:56:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-22 01:56:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-22 01:56:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-22 01:56:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-22 01:56:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-22 01:56:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-22 01:56:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-22 01:56:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-22 01:56:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-22 01:56:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-22 01:56:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-22 01:56:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-22 01:56:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-22 01:56:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-22 01:56:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-22 01:56:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-22 01:56:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-22 01:56:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-22 01:56:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-22 01:56:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-22 01:56:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-22 01:56:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-22 01:56:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-22 01:56:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-22 01:56:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-22 01:56:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-22 01:56:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-22 01:56:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-22 01:56:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-22 01:56:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-22 01:56:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-22 01:56:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-22 01:56:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-22 01:56:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-22 01:56:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-02-22 01:56:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:56:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:56:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-02-22 01:56:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:56:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 01:56:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:56:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:56:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-22 01:56:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:56:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:56:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:56:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:56:33,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:56:33,018 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-22 01:56:33,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:56:33 BoogieIcfgContainer [2021-02-22 01:56:33,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:56:33,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:56:33,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:56:33,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:56:33,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:56:31" (1/3) ... [2021-02-22 01:56:33,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e06c14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:56:33, skipping insertion in model container [2021-02-22 01:56:33,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:32" (2/3) ... [2021-02-22 01:56:33,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e06c14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:56:33, skipping insertion in model container [2021-02-22 01:56:33,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:56:33" (3/3) ... [2021-02-22 01:56:33,030 INFO L111 eAbstractionObserver]: Analyzing ICFG rule60_list.i [2021-02-22 01:56:33,038 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:56:33,044 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:56:33,065 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:56:33,092 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:56:33,092 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:56:33,092 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:56:33,092 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:56:33,092 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:56:33,093 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:56:33,093 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:56:33,093 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:56:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2021-02-22 01:56:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-22 01:56:33,120 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:56:33,121 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] [2021-02-22 01:56:33,121 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:56:33,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:56:33,128 INFO L82 PathProgramCache]: Analyzing trace with hash -2136674315, now seen corresponding path program 1 times [2021-02-22 01:56:33,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:56:33,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003413012] [2021-02-22 01:56:33,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:56:33,224 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:56:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:33,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:33,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:33,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:33,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:56:33,516 WARN L141 QuantifierPusher]: treesize reduction 20, result has 25.9 percent of original size [2021-02-22 01:56:33,518 WARN L147 QuantifierPusher]: treesize reduction 20, result has 25.9 percent of original size 7 [2021-02-22 01:56:33,533 WARN L141 QuantifierPusher]: treesize reduction 24, result has 46.7 percent of original size [2021-02-22 01:56:33,535 WARN L147 QuantifierPusher]: treesize reduction 24, result has 46.7 percent of original size 21 [2021-02-22 01:56:33,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:33,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:56:33,597 WARN L141 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-02-22 01:56:33,598 WARN L147 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size 9 [2021-02-22 01:56:33,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:33,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:33,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:33,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:56:33,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:56:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:33,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:33,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:56:33,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:33,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:56:33,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003413012] [2021-02-22 01:56:33,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:56:33,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-22 01:56:33,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098014697] [2021-02-22 01:56:33,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-22 01:56:33,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:56:33,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-22 01:56:33,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-02-22 01:56:33,745 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 10 states. [2021-02-22 01:56:34,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:56:34,303 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2021-02-22 01:56:34,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-22 01:56:34,305 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2021-02-22 01:56:34,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:56:34,315 INFO L225 Difference]: With dead ends: 83 [2021-02-22 01:56:34,315 INFO L226 Difference]: Without dead ends: 47 [2021-02-22 01:56:34,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2021-02-22 01:56:34,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-02-22 01:56:34,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-02-22 01:56:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-02-22 01:56:34,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2021-02-22 01:56:34,375 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 28 [2021-02-22 01:56:34,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:56:34,376 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2021-02-22 01:56:34,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-22 01:56:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2021-02-22 01:56:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-02-22 01:56:34,378 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:56:34,378 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, 1, 1, 1, 1] [2021-02-22 01:56:34,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:56:34,379 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:56:34,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:56:34,380 INFO L82 PathProgramCache]: Analyzing trace with hash -590845153, now seen corresponding path program 1 times [2021-02-22 01:56:34,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:56:34,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222629326] [2021-02-22 01:56:34,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:56:34,387 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:56:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:34,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:34,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:34,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:34,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:56:34,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:34,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:56:34,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:34,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:56:34,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:34,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:56:34,552 WARN L141 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-02-22 01:56:34,553 WARN L147 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size 9 [2021-02-22 01:56:34,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:34,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:34,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:34,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:56:34,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:56:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:34,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:34,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:56:34,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:34,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:34,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-22 01:56:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:34,681 WARN L141 QuantifierPusher]: treesize reduction 6, result has 66.7 percent of original size [2021-02-22 01:56:34,682 WARN L147 QuantifierPusher]: treesize reduction 6, result has 66.7 percent of original size 12 [2021-02-22 01:56:34,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:34,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:56:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:56:34,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222629326] [2021-02-22 01:56:34,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:56:34,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-22 01:56:34,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703515703] [2021-02-22 01:56:34,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-22 01:56:34,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:56:34,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-22 01:56:34,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-02-22 01:56:34,730 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 13 states. [2021-02-22 01:56:35,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:56:35,514 INFO L93 Difference]: Finished difference Result 49 states and 48 transitions. [2021-02-22 01:56:35,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-22 01:56:35,514 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2021-02-22 01:56:35,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:56:35,516 INFO L225 Difference]: With dead ends: 49 [2021-02-22 01:56:35,516 INFO L226 Difference]: Without dead ends: 46 [2021-02-22 01:56:35,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2021-02-22 01:56:35,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-02-22 01:56:35,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-02-22 01:56:35,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-02-22 01:56:35,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2021-02-22 01:56:35,533 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 36 [2021-02-22 01:56:35,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:56:35,534 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2021-02-22 01:56:35,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-22 01:56:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2021-02-22 01:56:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-02-22 01:56:35,535 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:56:35,536 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:56:35,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:56:35,536 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:56:35,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:56:35,537 INFO L82 PathProgramCache]: Analyzing trace with hash -325603537, now seen corresponding path program 1 times [2021-02-22 01:56:35,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:56:35,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787067435] [2021-02-22 01:56:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:56:35,543 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:56:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:35,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:35,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:35,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:35,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:56:35,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:35,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:56:35,666 WARN L141 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size [2021-02-22 01:56:35,667 WARN L147 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size 16 [2021-02-22 01:56:35,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:35,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:56:35,689 WARN L141 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-02-22 01:56:35,690 WARN L147 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size 9 [2021-02-22 01:56:35,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:35,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:35,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:35,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:56:35,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:56:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:35,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:35,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:56:35,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:35,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:35,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-22 01:56:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:35,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:35,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:56:35,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-22 01:56:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:35,803 WARN L141 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-02-22 01:56:35,804 WARN L147 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size 11 [2021-02-22 01:56:35,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:35,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:56:35,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:56:35,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787067435] [2021-02-22 01:56:35,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:56:35,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-22 01:56:35,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16843914] [2021-02-22 01:56:35,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-22 01:56:35,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:56:35,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-22 01:56:35,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-02-22 01:56:35,863 INFO L87 Difference]: Start difference. First operand 46 states and 45 transitions. Second operand 13 states. [2021-02-22 01:56:36,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:56:36,623 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2021-02-22 01:56:36,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-22 01:56:36,623 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 45 [2021-02-22 01:56:36,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:56:36,624 INFO L225 Difference]: With dead ends: 46 [2021-02-22 01:56:36,624 INFO L226 Difference]: Without dead ends: 0 [2021-02-22 01:56:36,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2021-02-22 01:56:36,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-22 01:56:36,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-22 01:56:36,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-22 01:56:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-22 01:56:36,627 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-02-22 01:56:36,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:56:36,627 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-22 01:56:36,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-22 01:56:36,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-22 01:56:36,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-22 01:56:36,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 01:56:36,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-22 01:56:38,030 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 32 [2021-02-22 01:56:38,245 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-22 01:56:38,245 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-22 01:56:38,245 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-22 01:56:38,245 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-22 01:56:38,245 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-22 01:56:38,245 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 01:56:38,246 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-22 01:56:38,246 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-22 01:56:38,246 INFO L192 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: true [2021-02-22 01:56:38,246 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 530) the Hoare annotation is: (= |~#head~0.offset| 0) [2021-02-22 01:56:38,246 INFO L185 CegarLoopUtils]: At program point L530(line 530) the Hoare annotation is: (= |~#head~0.offset| 0) [2021-02-22 01:56:38,246 INFO L185 CegarLoopUtils]: At program point L530-1(line 530) the Hoare annotation is: (= |~#head~0.offset| 0) [2021-02-22 01:56:38,246 INFO L185 CegarLoopUtils]: At program point L530-2(line 530) the Hoare annotation is: (= |~#head~0.offset| 0) [2021-02-22 01:56:38,248 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(~#head~0.base)| |~#head~0.base|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |~#head~0.offset| |old(~#head~0.offset)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-22 01:56:38,248 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-22 01:56:38,248 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-22 01:56:38,249 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (= |~#head~0.offset| 0) [2021-02-22 01:56:38,249 INFO L185 CegarLoopUtils]: At program point L528(line 528) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= list_del_~entry.base |list_del_#in~entry.base|) (= |list_del_#in~entry.offset| list_del_~entry.offset)) (not (= |list_del_#in~entry.offset| 0)) (not (= |~#head~0.offset| 0)) (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1))) [2021-02-22 01:56:38,249 INFO L185 CegarLoopUtils]: At program point L527(line 527) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= list_del_~entry.base |list_del_#in~entry.base|) (= |list_del_#in~entry.offset| list_del_~entry.offset)) (not (= |list_del_#in~entry.offset| 0)) (not (= |~#head~0.offset| 0)) (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1))) [2021-02-22 01:56:38,250 INFO L185 CegarLoopUtils]: At program point list_delFINAL(lines 526 529) the Hoare annotation is: (or (not (= |list_del_#in~entry.offset| 0)) (not (= |~#head~0.offset| 0)) (and (= (select (select |#memory_int| |list_del_#in~entry.base|) 8) 0) (= list_del_~entry.base |list_del_#in~entry.base|) (= |list_del_#in~entry.offset| list_del_~entry.offset)) (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1))) [2021-02-22 01:56:38,250 INFO L185 CegarLoopUtils]: At program point L527-1(line 527) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |list_del_#t~mem10| 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= list_del_~entry.base |list_del_#in~entry.base|) (= |list_del_#in~entry.offset| list_del_~entry.offset)) (not (= |list_del_#in~entry.offset| 0)) (not (= |~#head~0.offset| 0)) (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1))) [2021-02-22 01:56:38,250 INFO L185 CegarLoopUtils]: At program point L527-3(line 527) the Hoare annotation is: (or (not (= |list_del_#in~entry.offset| 0)) (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,250 INFO L185 CegarLoopUtils]: At program point L527-4(line 527) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |list_del_#t~mem10| 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= list_del_~entry.base |list_del_#in~entry.base|) (= |list_del_#in~entry.offset| list_del_~entry.offset)) (not (= |list_del_#in~entry.offset| 0)) (not (= |~#head~0.offset| 0)) (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1))) [2021-02-22 01:56:38,250 INFO L185 CegarLoopUtils]: At program point list_delEXIT(lines 526 529) the Hoare annotation is: (or (not (= |list_del_#in~entry.offset| 0)) (not (= |~#head~0.offset| 0)) (and (= (select (select |#memory_int| |list_del_#in~entry.base|) 8) 0) (= list_del_~entry.base |list_del_#in~entry.base|) (= |list_del_#in~entry.offset| list_del_~entry.offset)) (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1))) [2021-02-22 01:56:38,251 INFO L185 CegarLoopUtils]: At program point list_delENTRY(lines 526 529) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |list_del_#in~entry.offset| 0)) (not (= |~#head~0.offset| 0)) (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1))) [2021-02-22 01:56:38,251 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 166 170) no Hoare annotation was computed. [2021-02-22 01:56:38,252 INFO L189 CegarLoopUtils]: For program point L169(line 169) no Hoare annotation was computed. [2021-02-22 01:56:38,252 INFO L189 CegarLoopUtils]: For program point L169-1(line 169) no Hoare annotation was computed. [2021-02-22 01:56:38,252 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 166 170) no Hoare annotation was computed. [2021-02-22 01:56:38,252 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 166 170) no Hoare annotation was computed. [2021-02-22 01:56:38,252 INFO L189 CegarLoopUtils]: For program point __uint64_identityFINAL(lines 186 190) no Hoare annotation was computed. [2021-02-22 01:56:38,252 INFO L189 CegarLoopUtils]: For program point L189(line 189) no Hoare annotation was computed. [2021-02-22 01:56:38,252 INFO L189 CegarLoopUtils]: For program point __uint64_identityENTRY(lines 186 190) no Hoare annotation was computed. [2021-02-22 01:56:38,253 INFO L189 CegarLoopUtils]: For program point __uint64_identityEXIT(lines 186 190) no Hoare annotation was computed. [2021-02-22 01:56:38,253 INFO L185 CegarLoopUtils]: At program point list_addENTRY(lines 522 525) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) 8) 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |list_add_#in~new.offset| 0)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,253 INFO L185 CegarLoopUtils]: At program point list_addFINAL(lines 522 525) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) 8) 0)) (and (= list_add_~new.base |list_add_#in~new.base|) (= (select (select |#memory_int| |list_add_#in~new.base|) 8) 1) (= |list_add_#in~new.offset| list_add_~new.offset)) (not (= |list_add_#in~new.offset| 0)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,256 INFO L185 CegarLoopUtils]: At program point L524(line 524) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) 8) 0)) (not (= |list_add_#in~new.offset| 0)) (not (= |~#head~0.offset| 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= list_add_~new.base |list_add_#in~new.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |list_add_#in~new.offset| list_add_~new.offset))) [2021-02-22 01:56:38,257 INFO L185 CegarLoopUtils]: At program point L523(line 523) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) 8) 0)) (not (= |list_add_#in~new.offset| 0)) (not (= |~#head~0.offset| 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= list_add_~new.base |list_add_#in~new.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |list_add_#in~new.offset| list_add_~new.offset))) [2021-02-22 01:56:38,257 INFO L185 CegarLoopUtils]: At program point L522(lines 522 525) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) 8) 0)) (not (= |list_add_#in~new.offset| 0)) (not (= |~#head~0.offset| 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= list_add_~new.base |list_add_#in~new.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |list_add_#in~new.offset| list_add_~new.offset))) [2021-02-22 01:56:38,257 INFO L185 CegarLoopUtils]: At program point L523-1(line 523) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) 8) 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= list_add_~new.base |list_add_#in~new.base|) (= |list_add_#t~mem9| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |list_add_#in~new.offset| list_add_~new.offset)) (not (= |list_add_#in~new.offset| 0)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,258 INFO L185 CegarLoopUtils]: At program point L523-3(line 523) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) 8) 0)) (not (= |list_add_#in~new.offset| 0)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,258 INFO L185 CegarLoopUtils]: At program point L523-4(line 523) the Hoare annotation is: (let ((.cse0 (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) 8) 0))) (.cse1 (not (= |list_add_#in~new.offset| 0))) (.cse2 (not (= |~#head~0.offset| 0)))) (and (or .cse0 (= |list_add_#t~mem9| 0) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= list_add_~new.base |list_add_#in~new.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |list_add_#in~new.offset| list_add_~new.offset))))) [2021-02-22 01:56:38,259 INFO L185 CegarLoopUtils]: At program point list_addEXIT(lines 522 525) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) 8) 0)) (and (= list_add_~new.base |list_add_#in~new.base|) (= (select (select |#memory_int| |list_add_#in~new.base|) 8) 1) (= |list_add_#in~new.offset| list_add_~new.offset)) (not (= |list_add_#in~new.offset| 0)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,259 INFO L192 CegarLoopUtils]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: true [2021-02-22 01:56:38,259 INFO L192 CegarLoopUtils]: At program point __blast_assertEXIT(lines 4 7) the Hoare annotation is: true [2021-02-22 01:56:38,259 INFO L192 CegarLoopUtils]: At program point L6(line 6) the Hoare annotation is: true [2021-02-22 01:56:38,259 INFO L192 CegarLoopUtils]: At program point __blast_assertFINAL(lines 4 7) the Hoare annotation is: true [2021-02-22 01:56:38,259 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2021-02-22 01:56:38,260 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 171 175) no Hoare annotation was computed. [2021-02-22 01:56:38,260 INFO L189 CegarLoopUtils]: For program point L174(line 174) no Hoare annotation was computed. [2021-02-22 01:56:38,260 INFO L189 CegarLoopUtils]: For program point L174-1(line 174) no Hoare annotation was computed. [2021-02-22 01:56:38,260 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 171 175) no Hoare annotation was computed. [2021-02-22 01:56:38,260 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 171 175) no Hoare annotation was computed. [2021-02-22 01:56:38,260 INFO L189 CegarLoopUtils]: For program point __uint16_identityENTRY(lines 176 180) no Hoare annotation was computed. [2021-02-22 01:56:38,260 INFO L189 CegarLoopUtils]: For program point __uint16_identityEXIT(lines 176 180) no Hoare annotation was computed. [2021-02-22 01:56:38,260 INFO L189 CegarLoopUtils]: For program point __uint16_identityFINAL(lines 176 180) no Hoare annotation was computed. [2021-02-22 01:56:38,261 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-02-22 01:56:38,261 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: (= |~#head~0.offset| 0) [2021-02-22 01:56:38,261 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (= |~#head~0.offset| 0) [2021-02-22 01:56:38,261 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-22 01:56:38,261 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: (= |~#head~0.offset| 0) [2021-02-22 01:56:38,261 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 531 541) the Hoare annotation is: (or (not (= |~#head~0.offset| 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2021-02-22 01:56:38,261 INFO L185 CegarLoopUtils]: At program point L537(line 537) the Hoare annotation is: (or (and (= main_~dev~0.offset 0) (= (select (select |#memory_int| main_~dev~0.base) (+ |~#head~0.offset| 8)) 0) (= |main_#t~malloc11.offset| 0)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,262 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 531 541) the Hoare annotation is: (or (and (= main_~dev~0.offset 0) (= |main_#t~malloc11.offset| 0)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,262 INFO L185 CegarLoopUtils]: At program point L536(line 536) the Hoare annotation is: (or (not (= |~#head~0.offset| 0)) (and (= main_~dev~0.offset 0) (= (select (select |#memory_int| main_~dev~0.base) 8) 1) (= |main_#t~malloc11.offset| 0))) [2021-02-22 01:56:38,262 INFO L185 CegarLoopUtils]: At program point L535(line 535) the Hoare annotation is: (or (not (= |~#head~0.offset| 0)) (and (= main_~dev~0.offset 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |main_#t~malloc11.offset| 0))) [2021-02-22 01:56:38,262 INFO L185 CegarLoopUtils]: At program point L534(lines 534 539) the Hoare annotation is: (or (not (= |~#head~0.offset| 0)) (and (= main_~dev~0.offset 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |main_#t~malloc11.offset| 0))) [2021-02-22 01:56:38,262 INFO L185 CegarLoopUtils]: At program point L535-1(line 535) the Hoare annotation is: (or (and (= main_~dev~0.offset 0) (= |main_#t~malloc11.offset| 0) (= (select (select |#memory_int| main_~dev~0.base) (+ main_~dev~0.offset 8)) 0)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,262 INFO L185 CegarLoopUtils]: At program point L533(line 533) the Hoare annotation is: (or (not (= |~#head~0.offset| 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2021-02-22 01:56:38,262 INFO L185 CegarLoopUtils]: At program point L534-1(lines 534 539) the Hoare annotation is: (or (and (= main_~dev~0.offset 0) (= |main_#t~malloc11.offset| 0)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,262 INFO L185 CegarLoopUtils]: At program point L533-1(line 533) the Hoare annotation is: (or (not (= |~#head~0.offset| 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |main_#t~malloc11.offset| 0))) [2021-02-22 01:56:38,263 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 531 541) the Hoare annotation is: (or (and (= main_~dev~0.offset 0) (= |main_#t~malloc11.offset| 0)) (not (= |~#head~0.offset| 0))) [2021-02-22 01:56:38,263 INFO L189 CegarLoopUtils]: For program point __uint32_identityFINAL(lines 181 185) no Hoare annotation was computed. [2021-02-22 01:56:38,263 INFO L189 CegarLoopUtils]: For program point __uint32_identityENTRY(lines 181 185) no Hoare annotation was computed. [2021-02-22 01:56:38,263 INFO L189 CegarLoopUtils]: For program point L184(line 184) no Hoare annotation was computed. [2021-02-22 01:56:38,263 INFO L189 CegarLoopUtils]: For program point __uint32_identityEXIT(lines 181 185) no Hoare annotation was computed. [2021-02-22 01:56:38,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 01:56:38 BoogieIcfgContainer [2021-02-22 01:56:38,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 01:56:38,288 INFO L168 Benchmark]: Toolchain (without parser) took 6580.51 ms. Allocated memory was 156.2 MB in the beginning and 235.9 MB in the end (delta: 79.7 MB). Free memory was 131.6 MB in the beginning and 173.5 MB in the end (delta: -41.8 MB). Peak memory consumption was 135.2 MB. Max. memory is 8.0 GB. [2021-02-22 01:56:38,291 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 156.2 MB. Free memory is still 130.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:56:38,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.56 ms. Allocated memory is still 156.2 MB. Free memory was 130.6 MB in the beginning and 109.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:56:38,292 INFO L168 Benchmark]: Boogie Preprocessor took 112.56 ms. Allocated memory is still 156.2 MB. Free memory was 109.1 MB in the beginning and 138.2 MB in the end (delta: -29.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 8.0 GB. [2021-02-22 01:56:38,293 INFO L168 Benchmark]: RCFGBuilder took 655.56 ms. Allocated memory is still 156.2 MB. Free memory was 137.7 MB in the beginning and 96.8 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. [2021-02-22 01:56:38,294 INFO L168 Benchmark]: TraceAbstraction took 5262.99 ms. Allocated memory was 156.2 MB in the beginning and 235.9 MB in the end (delta: 79.7 MB). Free memory was 96.3 MB in the beginning and 173.5 MB in the end (delta: -77.2 MB). Peak memory consumption was 100.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:56:38,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 156.2 MB. Free memory is still 130.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 530.56 ms. Allocated memory is still 156.2 MB. Free memory was 130.6 MB in the beginning and 109.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 112.56 ms. Allocated memory is still 156.2 MB. Free memory was 109.1 MB in the beginning and 138.2 MB in the end (delta: -29.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 655.56 ms. Allocated memory is still 156.2 MB. Free memory was 137.7 MB in the beginning and 96.8 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5262.99 ms. Allocated memory was 156.2 MB in the beginning and 235.9 MB in the end (delta: 79.7 MB). Free memory was 96.3 MB in the beginning and 173.5 MB in the end (delta: -77.2 MB). Peak memory consumption was 100.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 526]: Procedure Contract for list_del Derived contract for procedure list_del: ((!(entry == 0) || !(head == 0)) || ((unknown-#memory_int-unknown[entry][8] == 0 && entry == entry) && entry == entry)) || !(\old(unknown-#memory_int-unknown)[entry][8] == 1) - ProcedureContractResult [Line: 4]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 522]: Procedure Contract for list_add Derived contract for procedure list_add: ((!(\old(unknown-#memory_int-unknown)[new][8] == 0) || ((new == new && unknown-#memory_int-unknown[new][8] == 1) && new == new)) || !(new == 0)) || !(head == 0) - ProcedureContractResult [Line: 531]: Procedure Contract for main Derived contract for procedure main: (dev == 0 && malloc(sizeof(*dev)) == 0) || !(head == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 82 SDtfs, 199 SDslu, 124 SDs, 0 SdLazy, 763 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 92 PreInvPairs, 111 NumberOfFragments, 813 HoareAnnotationTreeSize, 92 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1313 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...