java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_add-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:08:50,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:08:50,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:08:50,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:08:50,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:08:50,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:08:50,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:08:50,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:08:50,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:08:50,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:08:50,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:08:50,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:08:50,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:08:50,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:08:50,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:08:50,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:08:50,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:08:50,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:08:50,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:08:50,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:08:50,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:08:50,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:08:50,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:08:50,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:08:50,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:08:50,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:08:50,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:08:50,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:08:50,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:08:50,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:08:50,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:08:50,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:08:50,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:08:50,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:08:50,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:08:50,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:08:50,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:08:50,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:08:50,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:08:50,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:08:50,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:08:50,401 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 [2019-10-14 23:08:50,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:08:50,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:08:50,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:08:50,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:08:50,426 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:08:50,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:08:50,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:08:50,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:08:50,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:08:50,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:08:50,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:08:50,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:08:50,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:08:50,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:08:50,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:08:50,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:08:50,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:08:50,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:08:50,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:08:50,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:08:50,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:08:50,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:08:50,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:08:50,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:08:50,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:08:50,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:08:50,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:08:50,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:08:50,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:08:50,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:08:50,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:08:50,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:08:50,732 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:08:50,732 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:08:50,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-2.i [2019-10-14 23:08:50,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a83f0e1/abcd74f2083549f4a4f5d6807dc2e641/FLAG2c2ab8f5e [2019-10-14 23:08:51,316 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:08:51,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_add-2.i [2019-10-14 23:08:51,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a83f0e1/abcd74f2083549f4a4f5d6807dc2e641/FLAG2c2ab8f5e [2019-10-14 23:08:51,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a83f0e1/abcd74f2083549f4a4f5d6807dc2e641 [2019-10-14 23:08:51,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:08:51,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:08:51,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:51,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:08:51,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:08:51,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:51" (1/1) ... [2019-10-14 23:08:51,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610275df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:51, skipping insertion in model container [2019-10-14 23:08:51,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:51" (1/1) ... [2019-10-14 23:08:51,622 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:08:51,673 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:08:52,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:52,104 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:08:52,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:52,228 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:08:52,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:52 WrapperNode [2019-10-14 23:08:52,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:52,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:08:52,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:08:52,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:08:52,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:52" (1/1) ... [2019-10-14 23:08:52,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:52" (1/1) ... [2019-10-14 23:08:52,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:52" (1/1) ... [2019-10-14 23:08:52,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:52" (1/1) ... [2019-10-14 23:08:52,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:52" (1/1) ... [2019-10-14 23:08:52,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:52" (1/1) ... [2019-10-14 23:08:52,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:52" (1/1) ... [2019-10-14 23:08:52,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:08:52,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:08:52,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:08:52,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:08:52,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:52" (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 [2019-10-14 23:08:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:08:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:08:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-14 23:08:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-14 23:08:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 23:08:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2019-10-14 23:08:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-10-14 23:08:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-10-14 23:08:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-10-14 23:08:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-10-14 23:08:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-10-14 23:08:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-10-14 23:08:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2019-10-14 23:08:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2019-10-14 23:08:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-14 23:08:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2019-10-14 23:08:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2019-10-14 23:08:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2019-10-14 23:08:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-10-14 23:08:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:08:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-14 23:08:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-14 23:08:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-14 23:08:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-14 23:08:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-14 23:08:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-14 23:08:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-14 23:08:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-14 23:08:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-14 23:08:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-14 23:08:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-14 23:08:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-14 23:08:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-14 23:08:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-14 23:08:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-14 23:08:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-14 23:08:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-14 23:08:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-14 23:08:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-14 23:08:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-14 23:08:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-14 23:08:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-14 23:08:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-14 23:08:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-14 23:08:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-14 23:08:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-14 23:08:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-14 23:08:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-14 23:08:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-14 23:08:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-14 23:08:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-14 23:08:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-14 23:08:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-14 23:08:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-14 23:08:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-14 23:08:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-14 23:08:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-14 23:08:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-14 23:08:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-14 23:08:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-14 23:08:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-14 23:08:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-14 23:08:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-14 23:08:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-14 23:08:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-14 23:08:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-14 23:08:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-14 23:08:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-14 23:08:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-14 23:08:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-14 23:08:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-14 23:08:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-14 23:08:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:08:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:08:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-14 23:08:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:08:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-14 23:08:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-14 23:08:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-14 23:08:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-14 23:08:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-14 23:08:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-14 23:08:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-14 23:08:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 23:08:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-14 23:08:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-14 23:08:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-14 23:08:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-14 23:08:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-14 23:08:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-14 23:08:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-14 23:08:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-14 23:08:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-14 23:08:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-14 23:08:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-14 23:08:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-14 23:08:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-14 23:08:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-14 23:08:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-14 23:08:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-14 23:08:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-14 23:08:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-14 23:08:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-14 23:08:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-14 23:08:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-14 23:08:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-14 23:08:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-14 23:08:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-14 23:08:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-14 23:08:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-14 23:08:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-14 23:08:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-14 23:08:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-14 23:08:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-14 23:08:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-14 23:08:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-14 23:08:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-14 23:08:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-14 23:08:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-14 23:08:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-14 23:08:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-14 23:08:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-14 23:08:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:08:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 23:08:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:08:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 23:08:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 23:08:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:08:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2019-10-14 23:08:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-10-14 23:08:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:08:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-10-14 23:08:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-10-14 23:08:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-10-14 23:08:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:08:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-10-14 23:08:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-10-14 23:08:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2019-10-14 23:08:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2019-10-14 23:08:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-14 23:08:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2019-10-14 23:08:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2019-10-14 23:08:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2019-10-14 23:08:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:08:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:08:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:08:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-10-14 23:08:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:08:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:08:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:08:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 23:08:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:08:53,031 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:08:53,031 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-14 23:08:53,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:08:53 BoogieIcfgContainer [2019-10-14 23:08:53,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:08:53,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:08:53,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:08:53,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:08:53,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:08:51" (1/3) ... [2019-10-14 23:08:53,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262c8b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:08:53, skipping insertion in model container [2019-10-14 23:08:53,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:52" (2/3) ... [2019-10-14 23:08:53,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262c8b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:08:53, skipping insertion in model container [2019-10-14 23:08:53,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:08:53" (3/3) ... [2019-10-14 23:08:53,041 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2019-10-14 23:08:53,050 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:08:53,059 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:08:53,070 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:08:53,106 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:08:53,106 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:08:53,106 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:08:53,107 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:08:53,107 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:08:53,107 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:08:53,107 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:08:53,107 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:08:53,129 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2019-10-14 23:08:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-14 23:08:53,140 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:53,142 INFO L380 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] [2019-10-14 23:08:53,145 INFO L410 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:53,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:53,151 INFO L82 PathProgramCache]: Analyzing trace with hash 257004736, now seen corresponding path program 1 times [2019-10-14 23:08:53,159 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:53,159 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343198653] [2019-10-14 23:08:53,160 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:53,160 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:53,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-14 23:08:53,569 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343198653] [2019-10-14 23:08:53,570 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90770232] [2019-10-14 23:08:53,570 INFO L94 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 [2019-10-14 23:08:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:53,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-14 23:08:53,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:08:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:08:53,825 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 23:08:53,825 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2019-10-14 23:08:53,825 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473444865] [2019-10-14 23:08:53,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:08:53,833 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:53,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:08:53,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:08:53,850 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 4 states. [2019-10-14 23:08:53,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:53,903 INFO L93 Difference]: Finished difference Result 88 states and 101 transitions. [2019-10-14 23:08:53,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 23:08:53,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-10-14 23:08:53,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:53,923 INFO L225 Difference]: With dead ends: 88 [2019-10-14 23:08:53,924 INFO L226 Difference]: Without dead ends: 44 [2019-10-14 23:08:53,928 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:08:53,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-14 23:08:53,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-10-14 23:08:53,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-10-14 23:08:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2019-10-14 23:08:53,992 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 28 [2019-10-14 23:08:53,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:53,992 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2019-10-14 23:08:53,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:08:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2019-10-14 23:08:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-14 23:08:54,002 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:54,002 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:08:54,206 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:08:54,207 INFO L410 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:54,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:54,208 INFO L82 PathProgramCache]: Analyzing trace with hash -2052571223, now seen corresponding path program 1 times [2019-10-14 23:08:54,208 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:54,208 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494356716] [2019-10-14 23:08:54,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:54,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:54,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:54,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:08:54,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494356716] [2019-10-14 23:08:54,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294628681] [2019-10-14 23:08:54,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:08:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:54,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 43 conjunts are in the unsatisfiable core [2019-10-14 23:08:54,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:08:54,777 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-10-14 23:08:54,778 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:08:54,787 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:08:54,791 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-10-14 23:08:54,791 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 23:08:54,797 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:08:54,797 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:08:54,798 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:10 [2019-10-14 23:08:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:08:54,951 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 23:08:54,952 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 15 [2019-10-14 23:08:54,952 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972028529] [2019-10-14 23:08:54,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:08:54,953 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:54,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:08:54,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:08:54,954 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 9 states. [2019-10-14 23:08:55,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:55,503 INFO L93 Difference]: Finished difference Result 89 states and 99 transitions. [2019-10-14 23:08:55,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-14 23:08:55,504 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2019-10-14 23:08:55,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:55,506 INFO L225 Difference]: With dead ends: 89 [2019-10-14 23:08:55,507 INFO L226 Difference]: Without dead ends: 73 [2019-10-14 23:08:55,510 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2019-10-14 23:08:55,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-14 23:08:55,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 47. [2019-10-14 23:08:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-14 23:08:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2019-10-14 23:08:55,532 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 28 [2019-10-14 23:08:55,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:55,533 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2019-10-14 23:08:55,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:08:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2019-10-14 23:08:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-14 23:08:55,538 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:55,538 INFO L380 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:08:55,739 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:08:55,739 INFO L410 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:55,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:55,740 INFO L82 PathProgramCache]: Analyzing trace with hash 727487777, now seen corresponding path program 1 times [2019-10-14 23:08:55,740 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:55,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592893935] [2019-10-14 23:08:55,740 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:55,740 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:55,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:08:56,151 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592893935] [2019-10-14 23:08:56,151 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:56,151 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-10-14 23:08:56,152 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655159978] [2019-10-14 23:08:56,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-14 23:08:56,152 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:56,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-14 23:08:56,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2019-10-14 23:08:56,153 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand 18 states. [2019-10-14 23:08:57,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:57,294 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2019-10-14 23:08:57,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-14 23:08:57,295 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 42 [2019-10-14 23:08:57,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:57,297 INFO L225 Difference]: With dead ends: 67 [2019-10-14 23:08:57,297 INFO L226 Difference]: Without dead ends: 60 [2019-10-14 23:08:57,299 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=185, Invalid=1005, Unknown=0, NotChecked=0, Total=1190 [2019-10-14 23:08:57,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-10-14 23:08:57,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 48. [2019-10-14 23:08:57,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-14 23:08:57,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2019-10-14 23:08:57,318 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 42 [2019-10-14 23:08:57,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:57,318 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2019-10-14 23:08:57,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-14 23:08:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2019-10-14 23:08:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-14 23:08:57,321 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:57,322 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:08:57,322 INFO L410 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:57,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:57,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1992876214, now seen corresponding path program 1 times [2019-10-14 23:08:57,322 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:57,322 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19116201] [2019-10-14 23:08:57,323 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:57,323 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:57,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-14 23:08:57,527 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19116201] [2019-10-14 23:08:57,527 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:57,528 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:08:57,528 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685249093] [2019-10-14 23:08:57,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:08:57,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:57,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:08:57,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:08:57,529 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 8 states. [2019-10-14 23:08:57,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:57,769 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2019-10-14 23:08:57,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 23:08:57,770 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2019-10-14 23:08:57,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:57,771 INFO L225 Difference]: With dead ends: 56 [2019-10-14 23:08:57,771 INFO L226 Difference]: Without dead ends: 50 [2019-10-14 23:08:57,772 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:08:57,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-10-14 23:08:57,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2019-10-14 23:08:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-14 23:08:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2019-10-14 23:08:57,780 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 42 [2019-10-14 23:08:57,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:57,781 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2019-10-14 23:08:57,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:08:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2019-10-14 23:08:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-14 23:08:57,782 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:57,783 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:08:57,783 INFO L410 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:57,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:57,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1065814928, now seen corresponding path program 1 times [2019-10-14 23:08:57,783 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:57,784 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363641434] [2019-10-14 23:08:57,784 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:57,784 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:57,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:58,932 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:08:58,932 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363641434] [2019-10-14 23:08:58,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937961876] [2019-10-14 23:08:58,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:08:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:59,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 113 conjunts are in the unsatisfiable core [2019-10-14 23:08:59,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:08:59,110 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-10-14 23:08:59,111 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:08:59,117 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:08:59,117 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:08:59,118 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:10 [2019-10-14 23:08:59,389 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-14 23:08:59,389 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:08:59,405 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:08:59,405 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:08:59,406 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-10-14 23:08:59,482 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-10-14 23:08:59,483 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:08:59,491 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:08:59,491 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_BEFORE_CALL_8| vanished before elimination [2019-10-14 23:08:59,492 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:08:59,492 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:13 [2019-10-14 23:08:59,659 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_42|, |v_#memory_$Pointer$.offset_41|], 2=[|v_#memory_int_39|, |v_#memory_int_40|, |v_#memory_int_41|]} [2019-10-14 23:08:59,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:08:59,821 INFO L341 Elim1Store]: treesize reduction 139, result has 30.8 percent of original size [2019-10-14 23:08:59,821 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 69 [2019-10-14 23:08:59,822 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:09:00,138 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-10-14 23:09:00,139 INFO L567 ElimStorePlain]: treesize reduction 16, result has 92.7 percent of original size [2019-10-14 23:09:00,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 23:09:00,323 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-10-14 23:09:00,324 INFO L341 Elim1Store]: treesize reduction 100, result has 50.2 percent of original size [2019-10-14 23:09:00,325 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 108 [2019-10-14 23:09:00,326 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 23:09:00,581 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-10-14 23:09:00,582 INFO L567 ElimStorePlain]: treesize reduction 36, result has 84.6 percent of original size [2019-10-14 23:09:00,590 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:09:00,709 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-10-14 23:09:00,710 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:09:00,715 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:09:00,823 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-10-14 23:09:00,823 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:09:00,834 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 23:09:00,956 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-10-14 23:09:00,956 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:09:00,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 23:09:00,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:09:00,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:09:00,965 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 5 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-10-14 23:09:00,965 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:229, output treesize:211 [2019-10-14 23:09:00,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 23:09:00,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:09:00,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:09:01,170 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:09:01,171 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 23:09:01,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms