/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/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:47:01,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:47:01,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:47:01,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:47:01,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:47:01,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:47:01,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:47:01,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:47:01,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:47:01,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:47:01,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:47:01,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:47:01,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:47:01,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:47:01,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:47:01,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:47:01,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:47:01,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:47:01,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:47:01,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:47:01,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:47:01,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:47:01,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:47:01,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:47:01,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:47:01,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:47:01,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:47:01,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:47:01,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:47:01,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:47:01,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:47:01,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:47:01,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:47:01,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:47:01,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:47:01,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:47:01,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:47:01,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:47:01,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:47:01,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:47:01,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:47:01,411 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 [2021-02-19 17:47:01,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:47:01,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:47:01,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:47:01,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:47:01,470 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:47:01,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:47:01,471 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:47:01,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:47:01,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:47:01,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:47:01,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:47:01,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:47:01,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:47:01,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:47:01,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:47:01,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:47:01,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:47:01,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:47:01,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:47:01,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:47:01,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:47:01,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:47:01,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:47:01,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:47:01,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:47:01,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:47:01,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:47:01,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:47:01,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:47:01,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:47:01,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:47:01,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:47:01,907 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:47:01,908 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:47:01,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2021-02-19 17:47:01,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de9ed0e52/ed9ab92f59dc4df79603756aec6796a6/FLAG1c4ec56b4 [2021-02-19 17:47:02,681 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:47:02,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2021-02-19 17:47:02,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de9ed0e52/ed9ab92f59dc4df79603756aec6796a6/FLAG1c4ec56b4 [2021-02-19 17:47:02,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de9ed0e52/ed9ab92f59dc4df79603756aec6796a6 [2021-02-19 17:47:02,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:47:02,961 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:47:02,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:47:02,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:47:02,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:47:02,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:47:02" (1/1) ... [2021-02-19 17:47:02,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14fb912b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:02, skipping insertion in model container [2021-02-19 17:47:02,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:47:02" (1/1) ... [2021-02-19 17:47:02,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:47:03,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:47:03,480 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i[24473,24486] [2021-02-19 17:47:03,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:47:03,510 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:47:03,594 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i[24473,24486] [2021-02-19 17:47:03,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:47:03,696 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:47:03,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:03 WrapperNode [2021-02-19 17:47:03,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:47:03,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:47:03,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:47:03,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:47:03,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:03" (1/1) ... [2021-02-19 17:47:03,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:03" (1/1) ... [2021-02-19 17:47:03,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:03" (1/1) ... [2021-02-19 17:47:03,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:03" (1/1) ... [2021-02-19 17:47:03,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:03" (1/1) ... [2021-02-19 17:47:03,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:03" (1/1) ... [2021-02-19 17:47:03,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:03" (1/1) ... [2021-02-19 17:47:03,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:47:03,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:47:03,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:47:03,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:47:03,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:03" (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 [2021-02-19 17:47:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:47:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:47:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:47:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-19 17:47:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-19 17:47:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-02-19 17:47:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-02-19 17:47:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2021-02-19 17:47:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2021-02-19 17:47:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2021-02-19 17:47:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2021-02-19 17:47:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:47:03,993 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:47:03,993 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:47:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-19 17:47:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-19 17:47:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:47:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:47:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-19 17:47:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-19 17:47:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-19 17:47:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-19 17:47:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-19 17:47:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-19 17:47:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-19 17:47:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-19 17:47:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-19 17:47:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-19 17:47:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-19 17:47:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-19 17:47:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-19 17:47:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-19 17:47:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-19 17:47:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-19 17:47:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-19 17:47:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-19 17:47:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-19 17:47:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-19 17:47:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-19 17:47:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-19 17:47:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-19 17:47:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-19 17:47:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-19 17:47:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-19 17:47:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-19 17:47:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-19 17:47:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-19 17:47:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-19 17:47:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-19 17:47:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-19 17:47:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-19 17:47:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-19 17:47:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-19 17:47:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-19 17:47:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-19 17:47:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-19 17:47:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-19 17:47:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-19 17:47:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-19 17:47:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-19 17:47:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-19 17:47:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-19 17:47:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-19 17:47:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-19 17:47:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-19 17:47:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-19 17:47:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-19 17:47:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-19 17:47:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-19 17:47:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-19 17:47:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:47:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-19 17:47:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-19 17:47:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:47:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-19 17:47:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-19 17:47:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-19 17:47:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-19 17:47:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-19 17:47:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-19 17:47:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-19 17:47:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-19 17:47:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-19 17:47:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-19 17:47:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-19 17:47:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-19 17:47:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-19 17:47:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-19 17:47:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-19 17:47:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-19 17:47:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-19 17:47:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-19 17:47:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-19 17:47:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-19 17:47:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-19 17:47:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-19 17:47:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-19 17:47:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-19 17:47:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-19 17:47:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-19 17:47:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-19 17:47:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-19 17:47:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-19 17:47:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-19 17:47:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-19 17:47:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-19 17:47:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-19 17:47:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-19 17:47:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-19 17:47:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-19 17:47:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-19 17:47:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-19 17:47:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-19 17:47:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-19 17:47:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-19 17:47:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-19 17:47:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-19 17:47:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-19 17:47:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-19 17:47:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-19 17:47:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-19 17:47:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-19 17:47:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-02-19 17:47:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-02-19 17:47:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:47:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:47:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:47:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2021-02-19 17:47:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2021-02-19 17:47:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:47:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:47:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2021-02-19 17:47:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:47:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2021-02-19 17:47:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:47:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:47:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:47:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:47:04,462 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-02-19 17:47:04,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:47:04,636 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-02-19 17:47:04,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:47:04 BoogieIcfgContainer [2021-02-19 17:47:04,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:47:04,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:47:04,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:47:04,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:47:04,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:47:02" (1/3) ... [2021-02-19 17:47:04,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f048f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:47:04, skipping insertion in model container [2021-02-19 17:47:04,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:47:03" (2/3) ... [2021-02-19 17:47:04,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f048f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:47:04, skipping insertion in model container [2021-02-19 17:47:04,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:47:04" (3/3) ... [2021-02-19 17:47:04,663 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2021-02-19 17:47:04,680 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:47:04,694 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:47:04,746 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:47:04,805 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:47:04,805 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:47:04,805 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:47:04,805 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:47:04,805 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:47:04,805 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:47:04,806 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:47:04,806 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:47:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2021-02-19 17:47:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-19 17:47:04,828 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:47:04,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:47:04,830 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:47:04,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:47:04,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1957040159, now seen corresponding path program 1 times [2021-02-19 17:47:04,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:47:04,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771464153] [2021-02-19 17:47:04,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:47:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:05,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:05,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:05,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:05,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:05,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:47:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:05,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:05,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:05,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:47:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:05,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:05,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:05,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-19 17:47:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:05,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:05,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:05,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:47:05,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771464153] [2021-02-19 17:47:05,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:47:05,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:47:05,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730778443] [2021-02-19 17:47:05,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:47:05,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:47:05,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:47:05,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:47:05,302 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 4 states. [2021-02-19 17:47:05,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:47:05,802 INFO L93 Difference]: Finished difference Result 123 states and 178 transitions. [2021-02-19 17:47:05,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:47:05,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2021-02-19 17:47:05,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:47:05,817 INFO L225 Difference]: With dead ends: 123 [2021-02-19 17:47:05,817 INFO L226 Difference]: Without dead ends: 64 [2021-02-19 17:47:05,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:47:05,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-02-19 17:47:05,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 38. [2021-02-19 17:47:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-02-19 17:47:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2021-02-19 17:47:05,897 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2021-02-19 17:47:05,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:47:05,898 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2021-02-19 17:47:05,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:47:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2021-02-19 17:47:05,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-19 17:47:05,900 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:47:05,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:47:05,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:47:05,902 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:47:05,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:47:05,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1053461126, now seen corresponding path program 1 times [2021-02-19 17:47:05,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:47:05,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572954650] [2021-02-19 17:47:05,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:47:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:06,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:06,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:47:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:06,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:47:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:06,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:06,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:06,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-19 17:47:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:06,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:47:06,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572954650] [2021-02-19 17:47:06,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:47:06,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 17:47:06,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8423222] [2021-02-19 17:47:06,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 17:47:06,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:47:06,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 17:47:06,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:47:06,184 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 7 states. [2021-02-19 17:47:06,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:47:06,498 INFO L93 Difference]: Finished difference Result 68 states and 78 transitions. [2021-02-19 17:47:06,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 17:47:06,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2021-02-19 17:47:06,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:47:06,500 INFO L225 Difference]: With dead ends: 68 [2021-02-19 17:47:06,500 INFO L226 Difference]: Without dead ends: 43 [2021-02-19 17:47:06,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-02-19 17:47:06,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-02-19 17:47:06,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2021-02-19 17:47:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-02-19 17:47:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2021-02-19 17:47:06,512 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 25 [2021-02-19 17:47:06,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:47:06,513 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2021-02-19 17:47:06,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 17:47:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2021-02-19 17:47:06,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-19 17:47:06,514 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:47:06,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:47:06,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:47:06,515 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:47:06,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:47:06,516 INFO L82 PathProgramCache]: Analyzing trace with hash -524940760, now seen corresponding path program 1 times [2021-02-19 17:47:06,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:47:06,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640015776] [2021-02-19 17:47:06,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:47:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:06,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:47:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:06,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:47:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:06,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:47:06,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-19 17:47:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:06,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:47:06,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640015776] [2021-02-19 17:47:06,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:47:06,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:47:06,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762631897] [2021-02-19 17:47:06,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:47:06,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:47:06,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:47:06,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:47:06,694 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 5 states. [2021-02-19 17:47:06,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:47:06,891 INFO L93 Difference]: Finished difference Result 73 states and 84 transitions. [2021-02-19 17:47:06,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-19 17:47:06,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-02-19 17:47:06,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:47:06,893 INFO L225 Difference]: With dead ends: 73 [2021-02-19 17:47:06,893 INFO L226 Difference]: Without dead ends: 43 [2021-02-19 17:47:06,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:47:06,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-02-19 17:47:06,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-02-19 17:47:06,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2021-02-19 17:47:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2021-02-19 17:47:06,903 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 30 [2021-02-19 17:47:06,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:47:06,904 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2021-02-19 17:47:06,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:47:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2021-02-19 17:47:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-19 17:47:06,905 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:47:06,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:47:06,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:47:06,906 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:47:06,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:47:06,907 INFO L82 PathProgramCache]: Analyzing trace with hash 2081082794, now seen corresponding path program 1 times [2021-02-19 17:47:06,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:47:06,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387801138] [2021-02-19 17:47:06,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:47:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:06,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:06,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:47:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:06,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:06,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:06,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:47:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:07,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:47:07,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-19 17:47:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:07,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:47:07,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387801138] [2021-02-19 17:47:07,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271357262] [2021-02-19 17:47:07,045 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 [2021-02-19 17:47:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:07,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjunts are in the unsatisfiable core [2021-02-19 17:47:07,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 17:47:07,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-19 17:47:07,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:47:07,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-19 17:47:07,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:47:07,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:47:07,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-19 17:47:07,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:47:07,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-19 17:47:07,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-19 17:47:07,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:47:07,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-19 17:47:07,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-19 17:47:07,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:47:07,502 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-19 17:47:07,507 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-19 17:47:07,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-19 17:47:07,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:47:07,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-19 17:47:07,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-19 17:47:07,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:47:07,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-19 17:47:07,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:47:07,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-19 17:47:07,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-19 17:47:07,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-19 17:47:07,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 17:47:07,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-19 17:47:07,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-19 17:47:07,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-19 17:47:07,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:07,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:47:07,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 17:47:07,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2021-02-19 17:47:07,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686110491] [2021-02-19 17:47:07,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 17:47:07,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:47:07,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 17:47:07,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-02-19 17:47:07,669 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 10 states. [2021-02-19 17:47:07,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:47:07,932 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2021-02-19 17:47:07,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 17:47:07,932 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2021-02-19 17:47:07,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:47:07,934 INFO L225 Difference]: With dead ends: 73 [2021-02-19 17:47:07,934 INFO L226 Difference]: Without dead ends: 48 [2021-02-19 17:47:07,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-02-19 17:47:07,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-02-19 17:47:07,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2021-02-19 17:47:07,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-02-19 17:47:07,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2021-02-19 17:47:07,950 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 30 [2021-02-19 17:47:07,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:47:07,950 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2021-02-19 17:47:07,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-19 17:47:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2021-02-19 17:47:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-19 17:47:07,953 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:47:07,953 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:47:08,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 17:47:08,168 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:47:08,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:47:08,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2106989956, now seen corresponding path program 1 times [2021-02-19 17:47:08,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:47:08,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454008028] [2021-02-19 17:47:08,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:47:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:08,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:08,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:08,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:08,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:47:08,249 WARN L141 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-02-19 17:47:08,251 WARN L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-02-19 17:47:08,262 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-19 17:47:08,263 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-19 17:47:08,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:08,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:08,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:47:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:08,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:08,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:08,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:47:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:08,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:08,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:08,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-19 17:47:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:47:08,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:47:08,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:47:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-19 17:47:08,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454008028] [2021-02-19 17:47:08,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:47:08,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-19 17:47:08,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296433286] [2021-02-19 17:47:08,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 17:47:08,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:47:08,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 17:47:08,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-19 17:47:08,355 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 6 states. [2021-02-19 17:47:08,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:47:08,513 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2021-02-19 17:47:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:47:08,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-02-19 17:47:08,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:47:08,514 INFO L225 Difference]: With dead ends: 49 [2021-02-19 17:47:08,514 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:47:08,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-19 17:47:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:47:08,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:47:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:47:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:47:08,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2021-02-19 17:47:08,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:47:08,516 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:47:08,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-19 17:47:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:47:08,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:47:08,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 17:47:08,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:47:08,765 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-19 17:47:08,765 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-19 17:47:08,765 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-19 17:47:08,766 INFO L185 CegarLoopUtils]: At program point dll_update_atENTRY(lines 617 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-19 17:47:08,766 INFO L189 CegarLoopUtils]: For program point dll_update_atEXIT(lines 617 623) no Hoare annotation was computed. [2021-02-19 17:47:08,766 INFO L185 CegarLoopUtils]: At program point L618-2(lines 618 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-19 17:47:08,766 INFO L189 CegarLoopUtils]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2021-02-19 17:47:08,766 INFO L189 CegarLoopUtils]: For program point dll_update_atFINAL(lines 617 623) no Hoare annotation was computed. [2021-02-19 17:47:08,766 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:47:08,767 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-19 17:47:08,767 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:47:08,767 INFO L192 CegarLoopUtils]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2021-02-19 17:47:08,767 INFO L192 CegarLoopUtils]: At program point L573(line 573) the Hoare annotation is: true [2021-02-19 17:47:08,767 INFO L189 CegarLoopUtils]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2021-02-19 17:47:08,767 INFO L185 CegarLoopUtils]: At program point dll_createENTRY(lines 585 602) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-19 17:47:08,767 INFO L189 CegarLoopUtils]: For program point dll_createFINAL(lines 585 602) no Hoare annotation was computed. [2021-02-19 17:47:08,768 INFO L189 CegarLoopUtils]: For program point L595(lines 595 597) no Hoare annotation was computed. [2021-02-19 17:47:08,768 INFO L189 CegarLoopUtils]: For program point L595-2(lines 595 597) no Hoare annotation was computed. [2021-02-19 17:47:08,768 INFO L189 CegarLoopUtils]: For program point L589(lines 589 591) no Hoare annotation was computed. [2021-02-19 17:47:08,768 INFO L189 CegarLoopUtils]: For program point L589-1(lines 589 591) no Hoare annotation was computed. [2021-02-19 17:47:08,768 INFO L192 CegarLoopUtils]: At program point L587-2(lines 587 600) the Hoare annotation is: true [2021-02-19 17:47:08,768 INFO L189 CegarLoopUtils]: For program point L587-3(lines 587 600) no Hoare annotation was computed. [2021-02-19 17:47:08,768 INFO L189 CegarLoopUtils]: For program point dll_createEXIT(lines 585 602) no Hoare annotation was computed. [2021-02-19 17:47:08,768 INFO L192 CegarLoopUtils]: At program point L590(line 590) the Hoare annotation is: true [2021-02-19 17:47:08,769 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2021-02-19 17:47:08,769 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2021-02-19 17:47:08,769 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2021-02-19 17:47:08,769 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2021-02-19 17:47:08,769 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2021-02-19 17:47:08,769 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2021-02-19 17:47:08,769 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:47:08,769 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-19 17:47:08,770 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:47:08,770 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:47:08,770 INFO L192 CegarLoopUtils]: At program point L611-2(lines 611 614) the Hoare annotation is: true [2021-02-19 17:47:08,770 INFO L189 CegarLoopUtils]: For program point L611-3(lines 611 614) no Hoare annotation was computed. [2021-02-19 17:47:08,770 INFO L189 CegarLoopUtils]: For program point dll_get_data_atFINAL(lines 610 616) no Hoare annotation was computed. [2021-02-19 17:47:08,770 INFO L192 CegarLoopUtils]: At program point dll_get_data_atENTRY(lines 610 616) the Hoare annotation is: true [2021-02-19 17:47:08,770 INFO L189 CegarLoopUtils]: For program point dll_get_data_atEXIT(lines 610 616) no Hoare annotation was computed. [2021-02-19 17:47:08,770 INFO L185 CegarLoopUtils]: At program point L636(lines 624 643) the Hoare annotation is: false [2021-02-19 17:47:08,771 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 624 643) no Hoare annotation was computed. [2021-02-19 17:47:08,771 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 624 643) no Hoare annotation was computed. [2021-02-19 17:47:08,771 INFO L189 CegarLoopUtils]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 641) no Hoare annotation was computed. [2021-02-19 17:47:08,771 INFO L189 CegarLoopUtils]: For program point L639(line 639) no Hoare annotation was computed. [2021-02-19 17:47:08,771 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 624 643) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-19 17:47:08,771 INFO L185 CegarLoopUtils]: At program point L635(line 635) the Hoare annotation is: false [2021-02-19 17:47:08,771 INFO L189 CegarLoopUtils]: For program point L635-1(line 635) no Hoare annotation was computed. [2021-02-19 17:47:08,772 INFO L189 CegarLoopUtils]: For program point L635-2(lines 635 637) no Hoare annotation was computed. [2021-02-19 17:47:08,772 INFO L185 CegarLoopUtils]: At program point L631(line 631) the Hoare annotation is: (= main_~len~0 2) [2021-02-19 17:47:08,772 INFO L189 CegarLoopUtils]: For program point L633-2(lines 633 638) no Hoare annotation was computed. [2021-02-19 17:47:08,772 INFO L189 CegarLoopUtils]: For program point L631-1(lines 629 632) no Hoare annotation was computed. [2021-02-19 17:47:08,772 INFO L185 CegarLoopUtils]: At program point L633-3(lines 633 638) the Hoare annotation is: (and (= main_~len~0 2) (<= main_~len~0 (+ main_~i~0 1))) [2021-02-19 17:47:08,772 INFO L192 CegarLoopUtils]: At program point L633-4(lines 633 638) the Hoare annotation is: true [2021-02-19 17:47:08,772 INFO L185 CegarLoopUtils]: At program point L627(line 627) the Hoare annotation is: (and (= main_~len~0 2) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-19 17:47:08,773 INFO L185 CegarLoopUtils]: At program point L629-2(lines 629 632) the Hoare annotation is: (= main_~len~0 2) [2021-02-19 17:47:08,773 INFO L189 CegarLoopUtils]: For program point L627-1(line 627) no Hoare annotation was computed. [2021-02-19 17:47:08,773 INFO L189 CegarLoopUtils]: For program point L629-3(lines 629 632) no Hoare annotation was computed. [2021-02-19 17:47:08,773 INFO L189 CegarLoopUtils]: For program point dll_destroyEXIT(lines 603 609) no Hoare annotation was computed. [2021-02-19 17:47:08,773 INFO L185 CegarLoopUtils]: At program point dll_destroyENTRY(lines 603 609) the Hoare annotation is: (= |old(#valid)| |#valid|) [2021-02-19 17:47:08,773 INFO L192 CegarLoopUtils]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2021-02-19 17:47:08,773 INFO L189 CegarLoopUtils]: For program point L604-3(lines 603 609) no Hoare annotation was computed. [2021-02-19 17:47:08,773 INFO L189 CegarLoopUtils]: For program point L577(lines 577 579) no Hoare annotation was computed. [2021-02-19 17:47:08,773 INFO L189 CegarLoopUtils]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2021-02-19 17:47:08,774 INFO L189 CegarLoopUtils]: For program point node_createENTRY(lines 575 584) no Hoare annotation was computed. [2021-02-19 17:47:08,774 INFO L189 CegarLoopUtils]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2021-02-19 17:47:08,774 INFO L189 CegarLoopUtils]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2021-02-19 17:47:08,774 INFO L189 CegarLoopUtils]: For program point L578(line 578) no Hoare annotation was computed. [2021-02-19 17:47:08,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-19 17:47:08,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-19 17:47:08,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-19 17:47:08,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-19 17:47:08,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-19 17:47:08,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-19 17:47:08,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-19 17:47:08,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-19 17:47:08,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:47:08 BoogieIcfgContainer [2021-02-19 17:47:08,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:47:08,793 INFO L168 Benchmark]: Toolchain (without parser) took 5844.94 ms. Allocated memory was 151.0 MB in the beginning and 206.6 MB in the end (delta: 55.6 MB). Free memory was 125.0 MB in the beginning and 148.9 MB in the end (delta: -23.9 MB). Peak memory consumption was 112.8 MB. Max. memory is 8.0 GB. [2021-02-19 17:47:08,794 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:47:08,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.44 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 100.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:47:08,794 INFO L168 Benchmark]: Boogie Preprocessor took 177.69 ms. Allocated memory is still 151.0 MB. Free memory was 100.9 MB in the beginning and 131.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 2.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:47:08,795 INFO L168 Benchmark]: RCFGBuilder took 765.74 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 85.2 MB in the end (delta: 46.7 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:47:08,795 INFO L168 Benchmark]: TraceAbstraction took 4146.20 ms. Allocated memory was 151.0 MB in the beginning and 206.6 MB in the end (delta: 55.6 MB). Free memory was 84.7 MB in the beginning and 148.9 MB in the end (delta: -64.2 MB). Peak memory consumption was 72.6 MB. Max. memory is 8.0 GB. [2021-02-19 17:47:08,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 731.44 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 100.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 177.69 ms. Allocated memory is still 151.0 MB. Free memory was 100.9 MB in the beginning and 131.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 2.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 765.74 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 85.2 MB in the end (delta: 46.7 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4146.20 ms. Allocated memory was 151.0 MB in the beginning and 206.6 MB in the end (delta: 55.6 MB). Free memory was 84.7 MB in the beginning and 148.9 MB in the end (delta: -64.2 MB). Peak memory consumption was 72.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 641]: 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 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: len == 2 - InvariantResult [Line: 618]: Loop Invariant [2021-02-19 17:47:08,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-19 17:47:08,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-19 17:47:08,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-19 17:47:08,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-19 17:47:08,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-19 17:47:08,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-19 17:47:08,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-19 17:47:08,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: len == 2 && len <= i + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 215 SDslu, 264 SDs, 0 SdLazy, 433 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 35 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 46 PreInvPairs, 60 NumberOfFragments, 126 HoareAnnotationTreeSize, 46 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 208 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 12911 SizeOfPredicates, 2 NumberOfNonLiveVariables, 169 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 8/10 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...