/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 16:10:46,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:10:46,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:10:46,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:10:46,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:10:46,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:10:46,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:10:46,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:10:46,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:10:46,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:10:46,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:10:46,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:10:46,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:10:46,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:10:46,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:10:46,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:10:46,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:10:46,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:10:46,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:10:46,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:10:46,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:10:46,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:10:46,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:10:46,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:10:46,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 16:10:46,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:10:46,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:10:46,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:10:46,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-21 16:10:46,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:10:46,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:10:46,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:10:46,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:10:46,848 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:10:46,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:10:46,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:10:46,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:10:46,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:10:46,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:10:46,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:10:46,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:10:46,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:10:46,851 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:10:46,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:10:46,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:10:46,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:10:46,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:10:46,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:10:46,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:10:46,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:10:46,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:10:46,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:10:46,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:10:46,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:10:46,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:10:46,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:10:46,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:10:46,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:10:47,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:10:47,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:10:47,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:10:47,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:10:47,371 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:10:47,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2021-02-21 16:10:47,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e516498d/4e30f03d940c4529a227d3e96fa6722c/FLAGa66fc7b9b [2021-02-21 16:10:48,223 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:10:48,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i [2021-02-21 16:10:48,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e516498d/4e30f03d940c4529a227d3e96fa6722c/FLAGa66fc7b9b [2021-02-21 16:10:48,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e516498d/4e30f03d940c4529a227d3e96fa6722c [2021-02-21 16:10:48,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:10:48,462 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:10:48,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:10:48,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:10:48,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:10:48,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:10:48" (1/1) ... [2021-02-21 16:10:48,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136ef659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:48, skipping insertion in model container [2021-02-21 16:10:48,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:10:48" (1/1) ... [2021-02-21 16:10:48,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:10:48,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:10:48,726 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] [2021-02-21 16:10:49,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:10:49,029 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:10:49,048 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] [2021-02-21 16:10:49,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:10:49,226 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:10:49,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:49 WrapperNode [2021-02-21 16:10:49,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:10:49,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:10:49,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:10:49,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:10:49,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:49" (1/1) ... [2021-02-21 16:10:49,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:49" (1/1) ... [2021-02-21 16:10:49,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:49" (1/1) ... [2021-02-21 16:10:49,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:49" (1/1) ... [2021-02-21 16:10:49,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:49" (1/1) ... [2021-02-21 16:10:49,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:49" (1/1) ... [2021-02-21 16:10:49,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:49" (1/1) ... [2021-02-21 16:10:49,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:10:49,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:10:49,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:10:49,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:10:49,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:10:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:10:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:10:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:10:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-21 16:10:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-21 16:10:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-21 16:10:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-21 16:10:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-21 16:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-21 16:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-02-21 16:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-02-21 16:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:10:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:10:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:10:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:10:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:10:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-21 16:10:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-21 16:10:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-21 16:10:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-21 16:10:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-21 16:10:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-21 16:10:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-21 16:10:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-21 16:10:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-21 16:10:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-21 16:10:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-21 16:10:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-21 16:10:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-21 16:10:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-21 16:10:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-21 16:10:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-21 16:10:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-21 16:10:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-21 16:10:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-21 16:10:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-21 16:10:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-21 16:10:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-21 16:10:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-21 16:10:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-21 16:10:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-21 16:10:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-21 16:10:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-21 16:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-21 16:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-21 16:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-21 16:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-21 16:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-21 16:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-21 16:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-21 16:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-21 16:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-21 16:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-21 16:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-21 16:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-21 16:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-21 16:10:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-21 16:10:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-21 16:10:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-21 16:10:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-21 16:10:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-21 16:10:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-21 16:10:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-21 16:10:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-21 16:10:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-21 16:10:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-21 16:10:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-21 16:10:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-21 16:10:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-21 16:10:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-21 16:10:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-21 16:10:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-21 16:10:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 16:10:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 16:10:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-21 16:10:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 16:10:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-21 16:10:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-21 16:10:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-21 16:10:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-21 16:10:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-21 16:10:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-21 16:10:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-21 16:10:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-21 16:10:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-21 16:10:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-21 16:10:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-21 16:10:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-21 16:10:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-21 16:10:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-21 16:10:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-21 16:10:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-21 16:10:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-21 16:10:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-21 16:10:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-21 16:10:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-21 16:10:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-21 16:10:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-21 16:10:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-21 16:10:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-21 16:10:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-21 16:10:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-21 16:10:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-21 16:10:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-21 16:10:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-21 16:10:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-21 16:10:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-21 16:10:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-21 16:10:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-21 16:10:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-21 16:10:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-21 16:10:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-21 16:10:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-21 16:10:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-21 16:10:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-21 16:10:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-21 16:10:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-21 16:10:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-21 16:10:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-21 16:10:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-21 16:10:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-21 16:10:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-21 16:10:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-21 16:10:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-02-21 16:10:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:10:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:10:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-02-21 16:10:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:10:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 16:10:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:10:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:10:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-21 16:10:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:10:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 16:10:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 16:10:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:10:50,356 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:10:50,356 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 16:10:50,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:10:50 BoogieIcfgContainer [2021-02-21 16:10:50,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:10:50,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:10:50,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:10:50,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:10:50,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:10:48" (1/3) ... [2021-02-21 16:10:50,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1477a98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:10:50, skipping insertion in model container [2021-02-21 16:10:50,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:10:49" (2/3) ... [2021-02-21 16:10:50,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1477a98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:10:50, skipping insertion in model container [2021-02-21 16:10:50,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:10:50" (3/3) ... [2021-02-21 16:10:50,369 INFO L111 eAbstractionObserver]: Analyzing ICFG rule60_list.i [2021-02-21 16:10:50,377 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:10:50,383 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:10:50,405 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 16:10:50,437 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:10:50,438 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:10:50,438 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:10:50,438 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:10:50,438 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:10:50,438 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:10:50,439 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:10:50,439 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:10:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2021-02-21 16:10:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-02-21 16:10:50,472 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:10:50,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:10:50,473 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:10:50,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:10:50,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1468354531, now seen corresponding path program 1 times [2021-02-21 16:10:50,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:10:50,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386100212] [2021-02-21 16:10:50,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:10:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:10:50,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:50,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:10:50,907 WARN L141 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-02-21 16:10:50,912 WARN L147 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size 37 [2021-02-21 16:10:50,950 WARN L141 QuantifierPusher]: treesize reduction 23, result has 66.7 percent of original size [2021-02-21 16:10:50,953 WARN L147 QuantifierPusher]: treesize reduction 23, result has 66.7 percent of original size 46 [2021-02-21 16:10:51,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:51,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:10:51,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:51,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:10:51,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:51,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:51,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:10:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:10:51,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:51,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:10:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:10:51,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386100212] [2021-02-21 16:10:51,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:10:51,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 16:10:51,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754279372] [2021-02-21 16:10:51,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 16:10:51,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:10:51,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 16:10:51,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-21 16:10:51,227 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 8 states. [2021-02-21 16:10:51,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:10:51,673 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2021-02-21 16:10:51,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 16:10:51,675 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2021-02-21 16:10:51,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:10:51,685 INFO L225 Difference]: With dead ends: 55 [2021-02-21 16:10:51,685 INFO L226 Difference]: Without dead ends: 26 [2021-02-21 16:10:51,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-02-21 16:10:51,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-02-21 16:10:51,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-02-21 16:10:51,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-02-21 16:10:51,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-02-21 16:10:51,738 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 12 [2021-02-21 16:10:51,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:10:51,739 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-02-21 16:10:51,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 16:10:51,739 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-02-21 16:10:51,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-02-21 16:10:51,740 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:10:51,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:10:51,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 16:10:51,741 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:10:51,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:10:51,742 INFO L82 PathProgramCache]: Analyzing trace with hash -818501216, now seen corresponding path program 1 times [2021-02-21 16:10:51,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:10:51,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960313651] [2021-02-21 16:10:51,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:10:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:10:51,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:51,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:10:51,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:51,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:10:51,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:51,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:10:51,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:51,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:10:51,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:51,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:10:51,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:51,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:10:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:10:52,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:52,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:10:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-21 16:10:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:10:52,049 WARN L141 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size [2021-02-21 16:10:52,050 WARN L147 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size 30 [2021-02-21 16:10:52,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:52,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:10:52,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:10:52,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960313651] [2021-02-21 16:10:52,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:10:52,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 16:10:52,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261060259] [2021-02-21 16:10:52,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 16:10:52,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:10:52,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 16:10:52,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-02-21 16:10:52,137 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 11 states. [2021-02-21 16:10:52,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:10:52,784 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2021-02-21 16:10:52,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-21 16:10:52,785 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2021-02-21 16:10:52,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:10:52,786 INFO L225 Difference]: With dead ends: 28 [2021-02-21 16:10:52,786 INFO L226 Difference]: Without dead ends: 25 [2021-02-21 16:10:52,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2021-02-21 16:10:52,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-02-21 16:10:52,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-02-21 16:10:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-02-21 16:10:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-02-21 16:10:52,796 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 18 [2021-02-21 16:10:52,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:10:52,797 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-02-21 16:10:52,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 16:10:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-02-21 16:10:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-02-21 16:10:52,798 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:10:52,798 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:10:52,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 16:10:52,799 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:10:52,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:10:52,799 INFO L82 PathProgramCache]: Analyzing trace with hash 579848999, now seen corresponding path program 1 times [2021-02-21 16:10:52,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:10:52,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083562186] [2021-02-21 16:10:52,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:10:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:10:52,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:52,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:10:52,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:52,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:10:52,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:52,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:10:52,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:52,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 16:10:52,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:52,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:10:52,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:52,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:10:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:10:53,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:10:53,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-21 16:10:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:10:53,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-21 16:10:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:10:53,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:10:53,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:10:53,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083562186] [2021-02-21 16:10:53,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097242946] [2021-02-21 16:10:53,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-21 16:10:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:10:53,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 24 conjunts are in the unsatisfiable core [2021-02-21 16:10:53,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-21 16:10:53,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:10:53,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:10:53,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:10:53,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:10:53,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:10:53,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:10:53,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:10:53,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:10:53,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:10:53,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 16:10:53,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:10:53,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 16:10:53,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-21 16:10:53,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:10:53,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 16:10:53,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:10:53,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:10:53,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:10:53,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 16:10:53,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 16:10:53,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:10:53,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 16:10:53,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 16:10:53,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-02-21 16:10:53,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-21 16:10:53,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:10:53,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:10:53,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:10:53,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-21 16:10:53,603 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:16 [2021-02-21 16:10:53,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:10:53,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:10:53,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:10:53,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:10:53,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 16:10:53,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:10:53,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-21 16:10:53,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-21 16:10:53,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 16:10:53,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 16:10:53,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-21 16:10:53,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:10:53,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:10:53,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-21 16:10:53,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 16:10:53,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 16:10:53,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-21 16:10:53,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-02-21 16:10:53,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 16:10:53,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:10:53,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-21 16:10:53,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:10:53,752 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-21 16:10:53,753 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2021-02-21 16:10:53,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:10:53,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:10:53,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:10:53,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:10:53,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:10:53,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-02-21 16:10:53,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 13 [2021-02-21 16:10:53,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432037722] [2021-02-21 16:10:53,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 16:10:53,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:10:53,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 16:10:53,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-02-21 16:10:53,767 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 7 states. [2021-02-21 16:10:53,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:10:53,857 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2021-02-21 16:10:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 16:10:53,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2021-02-21 16:10:53,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:10:53,858 INFO L225 Difference]: With dead ends: 25 [2021-02-21 16:10:53,859 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 16:10:53,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-02-21 16:10:53,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 16:10:53,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 16:10:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 16:10:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 16:10:53,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-02-21 16:10:53,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:10:53,861 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 16:10:53,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 16:10:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 16:10:53,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 16:10:54,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-02-21 16:10:54,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 16:10:54,526 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 16:10:54,526 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 16:10:54,527 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 16:10:54,527 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:10:54,527 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|)) [2021-02-21 16:10:54,527 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:10:54,527 INFO L189 CegarLoopUtils]: For program point L527(line 527) no Hoare annotation was computed. [2021-02-21 16:10:54,527 INFO L189 CegarLoopUtils]: For program point list_delFINAL(lines 526 529) no Hoare annotation was computed. [2021-02-21 16:10:54,528 INFO L185 CegarLoopUtils]: At program point L527-2(line 527) the Hoare annotation is: (or (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)) (not (<= 0 |~#head~0.offset|))) [2021-02-21 16:10:54,528 INFO L189 CegarLoopUtils]: For program point L527-3(line 527) no Hoare annotation was computed. [2021-02-21 16:10:54,528 INFO L189 CegarLoopUtils]: For program point list_delEXIT(lines 526 529) no Hoare annotation was computed. [2021-02-21 16:10:54,528 INFO L185 CegarLoopUtils]: At program point list_delENTRY(lines 526 529) the Hoare annotation is: (or (not (<= 0 |~#head~0.offset|)) (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 (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1)) (not (<= |~#head~0.offset| 0))) [2021-02-21 16:10:54,528 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 166 170) no Hoare annotation was computed. [2021-02-21 16:10:54,528 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 166 170) no Hoare annotation was computed. [2021-02-21 16:10:54,529 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 166 170) no Hoare annotation was computed. [2021-02-21 16:10:54,529 INFO L189 CegarLoopUtils]: For program point __uint64_identityFINAL(lines 186 190) no Hoare annotation was computed. [2021-02-21 16:10:54,529 INFO L189 CegarLoopUtils]: For program point __uint64_identityENTRY(lines 186 190) no Hoare annotation was computed. [2021-02-21 16:10:54,529 INFO L189 CegarLoopUtils]: For program point __uint64_identityEXIT(lines 186 190) no Hoare annotation was computed. [2021-02-21 16:10:54,529 INFO L185 CegarLoopUtils]: At program point list_addENTRY(lines 522 525) the Hoare annotation is: (or (not (<= 0 |~#head~0.offset|)) (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) (+ |list_add_#in~new.offset| 8)) 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (<= |~#head~0.offset| 0))) [2021-02-21 16:10:54,529 INFO L189 CegarLoopUtils]: For program point L523(line 523) no Hoare annotation was computed. [2021-02-21 16:10:54,530 INFO L185 CegarLoopUtils]: At program point L523-2(line 523) the Hoare annotation is: (or (not (<= 0 |~#head~0.offset|)) (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) (+ |list_add_#in~new.offset| 8)) 0)) (not (<= |~#head~0.offset| 0))) [2021-02-21 16:10:54,530 INFO L189 CegarLoopUtils]: For program point L523-3(line 523) no Hoare annotation was computed. [2021-02-21 16:10:54,530 INFO L189 CegarLoopUtils]: For program point list_addFINAL(lines 522 525) no Hoare annotation was computed. [2021-02-21 16:10:54,530 INFO L189 CegarLoopUtils]: For program point list_addEXIT(lines 522 525) no Hoare annotation was computed. [2021-02-21 16:10:54,530 INFO L189 CegarLoopUtils]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-02-21 16:10:54,530 INFO L189 CegarLoopUtils]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2021-02-21 16:10:54,530 INFO L189 CegarLoopUtils]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2021-02-21 16:10:54,530 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2021-02-21 16:10:54,531 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 171 175) no Hoare annotation was computed. [2021-02-21 16:10:54,531 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 171 175) no Hoare annotation was computed. [2021-02-21 16:10:54,531 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 171 175) no Hoare annotation was computed. [2021-02-21 16:10:54,531 INFO L189 CegarLoopUtils]: For program point __uint16_identityENTRY(lines 176 180) no Hoare annotation was computed. [2021-02-21 16:10:54,531 INFO L189 CegarLoopUtils]: For program point __uint16_identityEXIT(lines 176 180) no Hoare annotation was computed. [2021-02-21 16:10:54,531 INFO L189 CegarLoopUtils]: For program point __uint16_identityFINAL(lines 176 180) no Hoare annotation was computed. [2021-02-21 16:10:54,531 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:10:54,531 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 |~#head~0.offset|) (<= |~#head~0.offset| 0)) [2021-02-21 16:10:54,532 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 16:10:54,532 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:10:54,532 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 531 541) the Hoare annotation is: (or (not (<= 0 |~#head~0.offset|)) (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|)) (not (<= |~#head~0.offset| 0))) [2021-02-21 16:10:54,532 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 531 541) no Hoare annotation was computed. [2021-02-21 16:10:54,532 INFO L185 CegarLoopUtils]: At program point L537(line 537) the Hoare annotation is: (or (not (<= 0 |~#head~0.offset|)) (and (= (select (select |#memory_int| main_~dev~0.base) (+ main_~dev~0.offset 8)) 0) (= |~#head~0.offset| main_~dev~0.offset)) (not (<= |~#head~0.offset| 0))) [2021-02-21 16:10:54,532 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 531 541) no Hoare annotation was computed. [2021-02-21 16:10:54,533 INFO L185 CegarLoopUtils]: At program point L536(line 536) the Hoare annotation is: (or (not (<= 0 |~#head~0.offset|)) (and (= (select (select |#memory_int| main_~dev~0.base) (+ main_~dev~0.offset 8)) 0) (= |~#head~0.offset| main_~dev~0.offset)) (not (<= |~#head~0.offset| 0))) [2021-02-21 16:10:54,533 INFO L185 CegarLoopUtils]: At program point L536-1(line 536) the Hoare annotation is: (or (not (<= 0 |~#head~0.offset|)) (and (= (select (select |#memory_int| main_~dev~0.base) 8) 1) (= |~#head~0.offset| main_~dev~0.offset)) (not (<= |~#head~0.offset| 0))) [2021-02-21 16:10:54,533 INFO L189 CegarLoopUtils]: For program point L534(lines 534 539) no Hoare annotation was computed. [2021-02-21 16:10:54,533 INFO L189 CegarLoopUtils]: For program point L534-1(lines 534 539) no Hoare annotation was computed. [2021-02-21 16:10:54,533 INFO L189 CegarLoopUtils]: For program point __uint32_identityFINAL(lines 181 185) no Hoare annotation was computed. [2021-02-21 16:10:54,533 INFO L189 CegarLoopUtils]: For program point __uint32_identityENTRY(lines 181 185) no Hoare annotation was computed. [2021-02-21 16:10:54,533 INFO L189 CegarLoopUtils]: For program point __uint32_identityEXIT(lines 181 185) no Hoare annotation was computed. [2021-02-21 16:10:54,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:10:54 BoogieIcfgContainer [2021-02-21 16:10:54,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:10:54,544 INFO L168 Benchmark]: Toolchain (without parser) took 6092.68 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 130.8 MB in the beginning and 104.9 MB in the end (delta: 25.9 MB). Peak memory consumption was 101.5 MB. Max. memory is 8.0 GB. [2021-02-21 16:10:54,545 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 156.2 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:10:54,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.47 ms. Allocated memory is still 156.2 MB. Free memory was 129.5 MB in the beginning and 107.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:10:54,546 INFO L168 Benchmark]: Boogie Preprocessor took 143.33 ms. Allocated memory is still 156.2 MB. Free memory was 107.7 MB in the beginning and 138.4 MB in the end (delta: -30.7 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:10:54,547 INFO L168 Benchmark]: RCFGBuilder took 986.28 ms. Allocated memory is still 156.2 MB. Free memory was 138.4 MB in the beginning and 99.1 MB in the end (delta: 39.3 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2021-02-21 16:10:54,549 INFO L168 Benchmark]: TraceAbstraction took 4181.34 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 99.1 MB in the beginning and 104.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. [2021-02-21 16:10:54,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 156.2 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 760.47 ms. Allocated memory is still 156.2 MB. Free memory was 129.5 MB in the beginning and 107.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 143.33 ms. Allocated memory is still 156.2 MB. Free memory was 107.7 MB in the beginning and 138.4 MB in the end (delta: -30.7 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 986.28 ms. Allocated memory is still 156.2 MB. Free memory was 138.4 MB in the beginning and 99.1 MB in the end (delta: 39.3 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4181.34 ms. Allocated memory was 156.2 MB in the beginning and 187.7 MB in the end (delta: 31.5 MB). Free memory was 99.1 MB in the beginning and 104.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 69.2 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 49 SDtfs, 71 SDslu, 106 SDs, 0 SdLazy, 244 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 12 LocationsWithAnnotation, 21 PreInvPairs, 23 NumberOfFragments, 235 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 310 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 10753 SizeOfPredicates, 9 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 3/4 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...