/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-36cd7be [2021-02-23 13:36:36,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:36:36,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:36:36,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:36:36,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:36:36,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:36:36,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:36:36,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:36:36,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:36:36,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:36:36,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:36:36,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:36:36,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:36:36,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:36:36,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:36:36,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:36:36,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:36:36,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:36:36,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:36:36,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:36:36,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:36:36,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:36:36,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:36:36,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:36:36,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 13:36:36,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 13:36:36,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 13:36:36,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 13:36:36,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 13:36:36,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 13:36:36,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 13:36:36,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 13:36:36,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 13:36:36,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:36:36,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:36:36,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:36:36,485 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 [2021-02-23 13:36:36,540 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:36:36,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:36:36,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:36:36,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:36:36,545 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:36:36,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:36:36,546 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:36:36,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:36:36,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:36:36,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:36:36,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:36:36,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:36:36,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:36:36,549 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:36:36,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:36:36,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:36:36,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:36:36,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:36:36,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:36:36,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:36:36,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:36:36,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:36:36,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:36:36,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:36:36,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:36:36,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:36:36,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:36:36,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:36:36,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:36:36,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:36:37,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:36:37,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:36:37,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:36:37,037 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:36:37,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2021-02-23 13:36:37,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df44322a4/369a7f09ee4046be85abbfcaabb64cd0/FLAGe0b471fd5 [2021-02-23 13:36:37,830 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:36:37,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i [2021-02-23 13:36:37,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df44322a4/369a7f09ee4046be85abbfcaabb64cd0/FLAGe0b471fd5 [2021-02-23 13:36:38,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df44322a4/369a7f09ee4046be85abbfcaabb64cd0 [2021-02-23 13:36:38,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:36:38,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:36:38,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:36:38,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:36:38,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:36:38,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:36:38" (1/1) ... [2021-02-23 13:36:38,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc639ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38, skipping insertion in model container [2021-02-23 13:36:38,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:36:38" (1/1) ... [2021-02-23 13:36:38,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:36:38,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:36:38,351 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] [2021-02-23 13:36:38,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:36:38,539 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:36:38,558 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] [2021-02-23 13:36:38,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:36:38,675 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:36:38,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38 WrapperNode [2021-02-23 13:36:38,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:36:38,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:36:38,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:36:38,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:36:38,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38" (1/1) ... [2021-02-23 13:36:38,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38" (1/1) ... [2021-02-23 13:36:38,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38" (1/1) ... [2021-02-23 13:36:38,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38" (1/1) ... [2021-02-23 13:36:38,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38" (1/1) ... [2021-02-23 13:36:38,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38" (1/1) ... [2021-02-23 13:36:38,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38" (1/1) ... [2021-02-23 13:36:38,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:36:38,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:36:38,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:36:38,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:36:38,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38" (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 [2021-02-23 13:36:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:36:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:36:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:36:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-23 13:36:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-23 13:36:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-23 13:36:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-23 13:36:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-23 13:36:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-23 13:36:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-02-23 13:36:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-02-23 13:36:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:36:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:36:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-23 13:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-23 13:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-23 13:36:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-23 13:36:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-23 13:36:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-23 13:36:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-23 13:36:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-23 13:36:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-23 13:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-23 13:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-23 13:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-23 13:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-23 13:36:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-23 13:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-23 13:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-23 13:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-23 13:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-23 13:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-23 13:36:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-23 13:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-23 13:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-23 13:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-23 13:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-23 13:36:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-23 13:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-23 13:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-23 13:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-23 13:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-23 13:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-23 13:36:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-23 13:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-23 13:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-23 13:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-23 13:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-23 13:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-23 13:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-23 13:36:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-23 13:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-23 13:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-23 13:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-23 13:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-23 13:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-23 13:36:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-23 13:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-23 13:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-23 13:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-23 13:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-23 13:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-23 13:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-23 13:36:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-23 13:36:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-23 13:36:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-23 13:36:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-23 13:36:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-23 13:36:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-23 13:36:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 13:36:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 13:36:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-23 13:36:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 13:36:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-23 13:36:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-23 13:36:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-23 13:36:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-23 13:36:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-23 13:36:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-23 13:36:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-23 13:36:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 13:36:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-23 13:36:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-23 13:36:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-23 13:36:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-23 13:36:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-23 13:36:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-23 13:36:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-23 13:36:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-23 13:36:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-23 13:36:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-23 13:36:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-23 13:36:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-23 13:36:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-23 13:36:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-23 13:36:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-23 13:36:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-23 13:36:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-23 13:36:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-23 13:36:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-23 13:36:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-23 13:36:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-23 13:36:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-23 13:36:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-23 13:36:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-23 13:36:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-23 13:36:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-23 13:36:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-23 13:36:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-23 13:36:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-23 13:36:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-23 13:36:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-23 13:36:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-23 13:36:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-23 13:36:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-23 13:36:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-23 13:36:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-23 13:36:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-23 13:36:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-23 13:36:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-23 13:36:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-02-23 13:36:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:36:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:36:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-02-23 13:36:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:36:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 13:36:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:36:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:36:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 13:36:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:36:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 13:36:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 13:36:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:36:39,648 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:36:39,649 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 13:36:39,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:36:39 BoogieIcfgContainer [2021-02-23 13:36:39,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:36:39,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:36:39,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:36:39,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:36:39,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:36:38" (1/3) ... [2021-02-23 13:36:39,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a11136d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:36:39, skipping insertion in model container [2021-02-23 13:36:39,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:36:38" (2/3) ... [2021-02-23 13:36:39,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a11136d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:36:39, skipping insertion in model container [2021-02-23 13:36:39,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:36:39" (3/3) ... [2021-02-23 13:36:39,662 INFO L111 eAbstractionObserver]: Analyzing ICFG rule60_list.i [2021-02-23 13:36:39,669 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:36:39,675 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:36:39,698 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:36:39,726 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:36:39,727 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:36:39,727 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:36:39,727 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:36:39,727 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:36:39,727 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:36:39,728 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:36:39,728 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:36:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2021-02-23 13:36:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-02-23 13:36:39,751 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:36:39,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:36:39,752 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:36:39,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:36:39,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1468354531, now seen corresponding path program 1 times [2021-02-23 13:36:39,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:36:39,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146502394] [2021-02-23 13:36:39,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:36:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:40,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:40,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:36:40,173 WARN L141 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-02-23 13:36:40,177 WARN L147 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size 37 [2021-02-23 13:36:40,234 WARN L141 QuantifierPusher]: treesize reduction 23, result has 66.7 percent of original size [2021-02-23 13:36:40,237 WARN L147 QuantifierPusher]: treesize reduction 23, result has 66.7 percent of original size 46 [2021-02-23 13:36:40,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:40,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:36:40,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:40,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:36:40,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:40,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:40,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:36:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:40,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:40,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:36:40,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:36:40,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146502394] [2021-02-23 13:36:40,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:36:40,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 13:36:40,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786796613] [2021-02-23 13:36:40,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 13:36:40,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:36:40,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 13:36:40,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:36:40,535 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 8 states. [2021-02-23 13:36:40,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:36:40,998 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2021-02-23 13:36:40,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 13:36:41,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2021-02-23 13:36:41,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:36:41,009 INFO L225 Difference]: With dead ends: 55 [2021-02-23 13:36:41,009 INFO L226 Difference]: Without dead ends: 26 [2021-02-23 13:36:41,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-02-23 13:36:41,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-02-23 13:36:41,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-02-23 13:36:41,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-02-23 13:36:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-02-23 13:36:41,058 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 12 [2021-02-23 13:36:41,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:36:41,058 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-02-23 13:36:41,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 13:36:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-02-23 13:36:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-02-23 13:36:41,060 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:36:41,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:36:41,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:36:41,060 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:36:41,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:36:41,061 INFO L82 PathProgramCache]: Analyzing trace with hash -818501216, now seen corresponding path program 1 times [2021-02-23 13:36:41,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:36:41,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945405721] [2021-02-23 13:36:41,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:36:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:41,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:41,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:36:41,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:41,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:36:41,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:41,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:36:41,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:41,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:36:41,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:41,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:36:41,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:41,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:41,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:36:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:41,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:41,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:36:41,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-23 13:36:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:41,382 WARN L141 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size [2021-02-23 13:36:41,386 WARN L147 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size 30 [2021-02-23 13:36:41,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:41,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:36:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:36:41,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945405721] [2021-02-23 13:36:41,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:36:41,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 13:36:41,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456177001] [2021-02-23 13:36:41,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 13:36:41,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:36:41,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 13:36:41,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-02-23 13:36:41,484 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 11 states. [2021-02-23 13:36:41,951 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-23 13:36:42,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:36:42,232 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2021-02-23 13:36:42,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 13:36:42,233 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2021-02-23 13:36:42,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:36:42,234 INFO L225 Difference]: With dead ends: 28 [2021-02-23 13:36:42,234 INFO L226 Difference]: Without dead ends: 25 [2021-02-23 13:36:42,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2021-02-23 13:36:42,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-02-23 13:36:42,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-02-23 13:36:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-02-23 13:36:42,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-02-23 13:36:42,243 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 18 [2021-02-23 13:36:42,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:36:42,243 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-02-23 13:36:42,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 13:36:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-02-23 13:36:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-02-23 13:36:42,244 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:36:42,244 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] [2021-02-23 13:36:42,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:36:42,245 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:36:42,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:36:42,245 INFO L82 PathProgramCache]: Analyzing trace with hash 579848999, now seen corresponding path program 1 times [2021-02-23 13:36:42,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:36:42,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268212717] [2021-02-23 13:36:42,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:36:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:42,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:36:42,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:36:42,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:36:42,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:36:42,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:36:42,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:36:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:42,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:36:42,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-02-23 13:36:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:42,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 13:36:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:42,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:36:42,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:36:42,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268212717] [2021-02-23 13:36:42,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737529895] [2021-02-23 13:36:42,477 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 [2021-02-23 13:36:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:36:42,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 24 conjunts are in the unsatisfiable core [2021-02-23 13:36:42,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-23 13:36:42,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:36:42,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:36:42,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:42,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:36:42,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:36:42,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:36:42,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:36:42,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:36:42,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:36:42,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:36:42,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:36:42,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:36:42,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 13:36:42,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 13:36:42,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:36:42,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 13:36:42,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:36:42,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:36:42,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:36:42,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 13:36:42,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 13:36:42,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:36:42,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 13:36:42,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 13:36:42,912 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 [2021-02-23 13:36:42,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-23 13:36:42,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:36:42,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:36:42,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:36:42,931 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. [2021-02-23 13:36:42,932 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:16 [2021-02-23 13:36:42,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:36:42,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:36:42,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:36:42,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:36:42,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 13:36:42,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:36:42,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 13:36:42,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 13:36:42,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 13:36:42,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:42,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:42,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:36:43,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:36:43,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:36:43,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:36:43,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 13:36:43,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:36:43,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:36:43,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 13:36:43,034 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 [2021-02-23 13:36:43,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 13:36:43,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:36:43,040 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-23 13:36:43,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:36:43,043 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-23 13:36:43,044 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2021-02-23 13:36:43,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:36:43,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:36:43,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:43,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:43,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:43,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:43,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:43,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:43,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:43,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:36:43,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:36:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:36:43,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-02-23 13:36:43,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 13 [2021-02-23 13:36:43,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187068438] [2021-02-23 13:36:43,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 13:36:43,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:36:43,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 13:36:43,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-02-23 13:36:43,059 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 7 states. [2021-02-23 13:36:43,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:36:43,152 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2021-02-23 13:36:43,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 13:36:43,152 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2021-02-23 13:36:43,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:36:43,153 INFO L225 Difference]: With dead ends: 25 [2021-02-23 13:36:43,153 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 13:36:43,154 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 [2021-02-23 13:36:43,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 13:36:43,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 13:36:43,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 13:36:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 13:36:43,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-02-23 13:36:43,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:36:43,155 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 13:36:43,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 13:36:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 13:36:43,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 13:36:43,371 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-02-23 13:36:43,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 13:36:43,813 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 13:36:43,813 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 13:36:43,813 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 13:36:43,813 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:36:43,814 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|)) [2021-02-23 13:36:43,814 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:36:43,814 INFO L189 CegarLoopUtils]: For program point L527(line 527) no Hoare annotation was computed. [2021-02-23 13:36:43,814 INFO L189 CegarLoopUtils]: For program point list_delFINAL(lines 526 529) no Hoare annotation was computed. [2021-02-23 13:36:43,815 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|))) [2021-02-23 13:36:43,815 INFO L189 CegarLoopUtils]: For program point L527-3(line 527) no Hoare annotation was computed. [2021-02-23 13:36:43,815 INFO L189 CegarLoopUtils]: For program point list_delEXIT(lines 526 529) no Hoare annotation was computed. [2021-02-23 13:36:43,815 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))) [2021-02-23 13:36:43,815 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 166 170) no Hoare annotation was computed. [2021-02-23 13:36:43,815 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 166 170) no Hoare annotation was computed. [2021-02-23 13:36:43,815 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 166 170) no Hoare annotation was computed. [2021-02-23 13:36:43,815 INFO L189 CegarLoopUtils]: For program point __uint64_identityFINAL(lines 186 190) no Hoare annotation was computed. [2021-02-23 13:36:43,816 INFO L189 CegarLoopUtils]: For program point __uint64_identityENTRY(lines 186 190) no Hoare annotation was computed. [2021-02-23 13:36:43,816 INFO L189 CegarLoopUtils]: For program point __uint64_identityEXIT(lines 186 190) no Hoare annotation was computed. [2021-02-23 13:36:43,816 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))) [2021-02-23 13:36:43,816 INFO L189 CegarLoopUtils]: For program point L523(line 523) no Hoare annotation was computed. [2021-02-23 13:36:43,816 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))) [2021-02-23 13:36:43,816 INFO L189 CegarLoopUtils]: For program point L523-3(line 523) no Hoare annotation was computed. [2021-02-23 13:36:43,817 INFO L189 CegarLoopUtils]: For program point list_addFINAL(lines 522 525) no Hoare annotation was computed. [2021-02-23 13:36:43,817 INFO L189 CegarLoopUtils]: For program point list_addEXIT(lines 522 525) no Hoare annotation was computed. [2021-02-23 13:36:43,817 INFO L189 CegarLoopUtils]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2021-02-23 13:36:43,817 INFO L189 CegarLoopUtils]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2021-02-23 13:36:43,817 INFO L189 CegarLoopUtils]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2021-02-23 13:36:43,817 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2021-02-23 13:36:43,817 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 171 175) no Hoare annotation was computed. [2021-02-23 13:36:43,817 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 171 175) no Hoare annotation was computed. [2021-02-23 13:36:43,818 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 171 175) no Hoare annotation was computed. [2021-02-23 13:36:43,818 INFO L189 CegarLoopUtils]: For program point __uint16_identityENTRY(lines 176 180) no Hoare annotation was computed. [2021-02-23 13:36:43,818 INFO L189 CegarLoopUtils]: For program point __uint16_identityEXIT(lines 176 180) no Hoare annotation was computed. [2021-02-23 13:36:43,818 INFO L189 CegarLoopUtils]: For program point __uint16_identityFINAL(lines 176 180) no Hoare annotation was computed. [2021-02-23 13:36:43,818 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:36:43,818 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 |~#head~0.offset|) (<= |~#head~0.offset| 0)) [2021-02-23 13:36:43,818 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 13:36:43,818 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:36:43,819 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))) [2021-02-23 13:36:43,819 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 531 541) no Hoare annotation was computed. [2021-02-23 13:36:43,819 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))) [2021-02-23 13:36:43,819 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 531 541) no Hoare annotation was computed. [2021-02-23 13:36:43,819 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))) [2021-02-23 13:36:43,819 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))) [2021-02-23 13:36:43,820 INFO L189 CegarLoopUtils]: For program point L534(lines 534 539) no Hoare annotation was computed. [2021-02-23 13:36:43,820 INFO L189 CegarLoopUtils]: For program point L534-1(lines 534 539) no Hoare annotation was computed. [2021-02-23 13:36:43,820 INFO L189 CegarLoopUtils]: For program point __uint32_identityFINAL(lines 181 185) no Hoare annotation was computed. [2021-02-23 13:36:43,820 INFO L189 CegarLoopUtils]: For program point __uint32_identityENTRY(lines 181 185) no Hoare annotation was computed. [2021-02-23 13:36:43,820 INFO L189 CegarLoopUtils]: For program point __uint32_identityEXIT(lines 181 185) no Hoare annotation was computed. [2021-02-23 13:36:43,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:36:43 BoogieIcfgContainer [2021-02-23 13:36:43,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:36:43,827 INFO L168 Benchmark]: Toolchain (without parser) took 5732.66 ms. Allocated memory was 174.1 MB in the beginning and 210.8 MB in the end (delta: 36.7 MB). Free memory was 156.2 MB in the beginning and 75.0 MB in the end (delta: 81.2 MB). Peak memory consumption was 118.0 MB. Max. memory is 8.0 GB. [2021-02-23 13:36:43,828 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 174.1 MB. Free memory is still 146.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:36:43,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.34 ms. Allocated memory is still 174.1 MB. Free memory was 155.0 MB in the beginning and 133.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-23 13:36:43,829 INFO L168 Benchmark]: Boogie Preprocessor took 143.51 ms. Allocated memory is still 174.1 MB. Free memory was 133.4 MB in the beginning and 154.2 MB in the end (delta: -20.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:36:43,829 INFO L168 Benchmark]: RCFGBuilder took 827.54 ms. Allocated memory is still 174.1 MB. Free memory was 154.2 MB in the beginning and 114.9 MB in the end (delta: 39.3 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2021-02-23 13:36:43,830 INFO L168 Benchmark]: TraceAbstraction took 4172.93 ms. Allocated memory was 174.1 MB in the beginning and 210.8 MB in the end (delta: 36.7 MB). Free memory was 114.4 MB in the beginning and 75.0 MB in the end (delta: 39.4 MB). Peak memory consumption was 77.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:36:43,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 174.1 MB. Free memory is still 146.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 570.34 ms. Allocated memory is still 174.1 MB. Free memory was 155.0 MB in the beginning and 133.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 143.51 ms. Allocated memory is still 174.1 MB. Free memory was 133.4 MB in the beginning and 154.2 MB in the end (delta: -20.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 827.54 ms. Allocated memory is still 174.1 MB. Free memory was 154.2 MB in the beginning and 114.9 MB in the end (delta: 39.3 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4172.93 ms. Allocated memory was 174.1 MB in the beginning and 210.8 MB in the end (delta: 36.7 MB). Free memory was 114.4 MB in the beginning and 75.0 MB in the end (delta: 39.4 MB). Peak memory consumption was 77.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - 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: 1.3s, 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, 1.4s 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...