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/heap-manipulation/dll_of_dll-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:08:06,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:08:06,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:08:06,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:08:06,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:08:06,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:08:06,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:08:06,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:08:06,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:08:06,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:08:06,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:08:06,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:08:06,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:08:06,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:08:06,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:08:06,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:08:06,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:08:06,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:08:06,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:08:06,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:08:06,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:08:06,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:08:06,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:08:06,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:08:06,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:08:06,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:08:06,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:08:06,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:08:06,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:08:06,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:08:06,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:08:06,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:08:06,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:08:06,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:08:06,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:08:06,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:08:06,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:08:06,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:08:06,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:08:06,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:08:06,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:08:06,270 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 22:08:06,291 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:08:06,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:08:06,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:08:06,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:08:06,293 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:08:06,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:08:06,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:08:06,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:08:06,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:08:06,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:08:06,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:08:06,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:08:06,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:08:06,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:08:06,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:08:06,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:08:06,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:08:06,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:08:06,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:08:06,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:08:06,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:08:06,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:08:06,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:08:06,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:08:06,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:08:06,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:08:06,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:08:06,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:08:06,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:08:06,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:08:06,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:08:06,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:08:06,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:08:06,600 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:08:06,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2019-10-14 22:08:06,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7087207ce/2971bf161d1e40658bb6b1d937f55a7a/FLAG051a177ca [2019-10-14 22:08:07,265 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:08:07,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2019-10-14 22:08:07,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7087207ce/2971bf161d1e40658bb6b1d937f55a7a/FLAG051a177ca [2019-10-14 22:08:07,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7087207ce/2971bf161d1e40658bb6b1d937f55a7a [2019-10-14 22:08:07,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:08:07,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:08:07,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:08:07,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:08:07,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:08:07,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:07" (1/1) ... [2019-10-14 22:08:07,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429df39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07, skipping insertion in model container [2019-10-14 22:08:07,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:07" (1/1) ... [2019-10-14 22:08:07,590 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:08:07,647 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:08:08,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:08:08,171 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:08:08,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:08:08,321 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:08:08,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:08 WrapperNode [2019-10-14 22:08:08,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:08:08,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:08:08,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:08:08,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:08:08,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:08" (1/1) ... [2019-10-14 22:08:08,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:08" (1/1) ... [2019-10-14 22:08:08,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:08" (1/1) ... [2019-10-14 22:08:08,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:08" (1/1) ... [2019-10-14 22:08:08,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:08" (1/1) ... [2019-10-14 22:08:08,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:08" (1/1) ... [2019-10-14 22:08:08,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:08" (1/1) ... [2019-10-14 22:08:08,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:08:08,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:08:08,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:08:08,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:08:08,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:08" (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 22:08:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:08:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:08:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:08:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-14 22:08:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-14 22:08:08,469 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-10-14 22:08:08,469 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2019-10-14 22:08:08,469 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2019-10-14 22:08:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2019-10-14 22:08:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2019-10-14 22:08:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2019-10-14 22:08:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2019-10-14 22:08:08,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2019-10-14 22:08:08,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2019-10-14 22:08:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2019-10-14 22:08:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2019-10-14 22:08:08,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2019-10-14 22:08:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2019-10-14 22:08:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2019-10-14 22:08:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2019-10-14 22:08:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2019-10-14 22:08:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:08:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:08:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-14 22:08:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-14 22:08:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-14 22:08:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-14 22:08:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-14 22:08:08,477 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-14 22:08:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-14 22:08:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-14 22:08:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-14 22:08:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-14 22:08:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-14 22:08:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-14 22:08:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-14 22:08:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-14 22:08:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-14 22:08:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-14 22:08:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-14 22:08:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-14 22:08:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-14 22:08:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-14 22:08:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-14 22:08:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-14 22:08:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-14 22:08:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-14 22:08:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-14 22:08:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-14 22:08:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-14 22:08:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-14 22:08:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-14 22:08:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-14 22:08:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-14 22:08:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-14 22:08:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-14 22:08:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-14 22:08:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-14 22:08:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-14 22:08:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-14 22:08:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-14 22:08:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-14 22:08:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-14 22:08:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-14 22:08:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-14 22:08:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-14 22:08:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-14 22:08:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-14 22:08:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-14 22:08:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-14 22:08:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-14 22:08:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-14 22:08:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-14 22:08:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-14 22:08:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-14 22:08:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:08:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:08:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-14 22:08:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:08:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-14 22:08:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-14 22:08:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-14 22:08:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-14 22:08:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-14 22:08:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-14 22:08:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-14 22:08:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-14 22:08:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-14 22:08:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 22:08:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-14 22:08:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-14 22:08:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-14 22:08:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-14 22:08:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-14 22:08:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-14 22:08:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-14 22:08:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-14 22:08:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-14 22:08:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-14 22:08:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-14 22:08:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-14 22:08:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-14 22:08:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-14 22:08:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-14 22:08:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-14 22:08:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-14 22:08:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-14 22:08:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-14 22:08:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-14 22:08:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-14 22:08:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-14 22:08:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-14 22:08:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-14 22:08:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-14 22:08:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-14 22:08:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-14 22:08:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-14 22:08:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-14 22:08:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-14 22:08:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-14 22:08:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-14 22:08:08,496 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-14 22:08:08,496 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-14 22:08:08,496 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-14 22:08:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-14 22:08:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-14 22:08:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-14 22:08:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-14 22:08:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:08:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-10-14 22:08:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2019-10-14 22:08:08,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:08:08,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:08:08,498 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2019-10-14 22:08:08,498 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2019-10-14 22:08:08,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:08:08,499 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2019-10-14 22:08:08,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:08:08,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:08:08,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:08:08,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:08:08,504 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2019-10-14 22:08:08,504 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2019-10-14 22:08:08,505 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2019-10-14 22:08:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2019-10-14 22:08:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2019-10-14 22:08:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2019-10-14 22:08:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2019-10-14 22:08:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2019-10-14 22:08:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2019-10-14 22:08:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2019-10-14 22:08:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2019-10-14 22:08:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:08:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:08:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:08:09,460 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:08:09,460 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-10-14 22:08:09,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:09 BoogieIcfgContainer [2019-10-14 22:08:09,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:08:09,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:08:09,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:08:09,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:08:09,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:08:07" (1/3) ... [2019-10-14 22:08:09,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca8dce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:09, skipping insertion in model container [2019-10-14 22:08:09,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:08" (2/3) ... [2019-10-14 22:08:09,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca8dce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:09, skipping insertion in model container [2019-10-14 22:08:09,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:09" (3/3) ... [2019-10-14 22:08:09,471 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2019-10-14 22:08:09,481 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:08:09,490 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:08:09,501 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:08:09,525 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:08:09,525 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:08:09,525 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:08:09,525 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:08:09,526 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:08:09,526 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:08:09,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:08:09,526 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:08:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2019-10-14 22:08:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-14 22:08:09,559 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:08:09,561 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 22:08:09,563 INFO L410 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:08:09,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:08:09,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1405399524, now seen corresponding path program 1 times [2019-10-14 22:08:09,580 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:08:09,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299507224] [2019-10-14 22:08:09,581 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:09,581 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:09,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:08:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-14 22:08:09,997 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299507224] [2019-10-14 22:08:09,998 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:08:09,999 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 22:08:09,999 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363041988] [2019-10-14 22:08:10,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 22:08:10,006 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:08:10,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 22:08:10,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 22:08:10,025 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2019-10-14 22:08:10,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:08:10,513 INFO L93 Difference]: Finished difference Result 343 states and 542 transitions. [2019-10-14 22:08:10,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 22:08:10,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2019-10-14 22:08:10,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:08:10,531 INFO L225 Difference]: With dead ends: 343 [2019-10-14 22:08:10,531 INFO L226 Difference]: Without dead ends: 166 [2019-10-14 22:08:10,538 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 22:08:10,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-10-14 22:08:10,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 155. [2019-10-14 22:08:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-14 22:08:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 184 transitions. [2019-10-14 22:08:10,614 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 184 transitions. Word has length 59 [2019-10-14 22:08:10,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:08:10,614 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 184 transitions. [2019-10-14 22:08:10,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 22:08:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 184 transitions. [2019-10-14 22:08:10,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-14 22:08:10,618 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:08:10,618 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 22:08:10,619 INFO L410 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:08:10,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:08:10,619 INFO L82 PathProgramCache]: Analyzing trace with hash 747676979, now seen corresponding path program 1 times [2019-10-14 22:08:10,620 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:08:10,620 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818825982] [2019-10-14 22:08:10,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:10,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:10,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:08:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:11,158 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-14 22:08:11,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818825982] [2019-10-14 22:08:11,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188900312] [2019-10-14 22:08:11,159 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 22:08:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:11,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-14 22:08:11,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:08:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-14 22:08:11,415 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:08:11,416 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 13 [2019-10-14 22:08:11,416 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757994982] [2019-10-14 22:08:11,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 22:08:11,418 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:08:11,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 22:08:11,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-14 22:08:11,419 INFO L87 Difference]: Start difference. First operand 155 states and 184 transitions. Second operand 13 states. [2019-10-14 22:08:12,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:08:12,773 INFO L93 Difference]: Finished difference Result 327 states and 406 transitions. [2019-10-14 22:08:12,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 22:08:12,774 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2019-10-14 22:08:12,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:08:12,779 INFO L225 Difference]: With dead ends: 327 [2019-10-14 22:08:12,779 INFO L226 Difference]: Without dead ends: 179 [2019-10-14 22:08:12,781 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2019-10-14 22:08:12,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-10-14 22:08:12,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 168. [2019-10-14 22:08:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-10-14 22:08:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2019-10-14 22:08:12,804 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 60 [2019-10-14 22:08:12,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:08:12,805 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2019-10-14 22:08:12,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 22:08:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2019-10-14 22:08:12,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-14 22:08:12,808 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:08:12,808 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:08:13,009 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:08:13,010 INFO L410 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:08:13,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:08:13,011 INFO L82 PathProgramCache]: Analyzing trace with hash 586330229, now seen corresponding path program 1 times [2019-10-14 22:08:13,011 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:08:13,011 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502487014] [2019-10-14 22:08:13,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:13,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:13,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:08:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,601 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 16 proven. 93 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-14 22:08:14,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502487014] [2019-10-14 22:08:14,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124293169] [2019-10-14 22:08:14,602 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 22:08:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:14,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 50 conjunts are in the unsatisfiable core [2019-10-14 22:08:14,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:08:15,132 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:15,132 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 1 case distinctions, treesize of input 31 treesize of output 47 [2019-10-14 22:08:15,133 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:15,165 INFO L567 ElimStorePlain]: treesize reduction 20, result has 60.8 percent of original size [2019-10-14 22:08:15,166 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 22:08:15,167 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:8 [2019-10-14 22:08:15,263 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 16 treesize of output 8 [2019-10-14 22:08:15,264 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:15,266 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:15,266 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 22:08:15,266 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2019-10-14 22:08:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 36 proven. 5 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-10-14 22:08:15,435 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:08:15,435 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 22] total 41 [2019-10-14 22:08:15,435 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852145698] [2019-10-14 22:08:15,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-10-14 22:08:15,437 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:08:15,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-10-14 22:08:15,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1547, Unknown=0, NotChecked=0, Total=1640 [2019-10-14 22:08:15,439 INFO L87 Difference]: Start difference. First operand 168 states and 199 transitions. Second operand 41 states. [2019-10-14 22:08:20,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:08:20,857 INFO L93 Difference]: Finished difference Result 409 states and 505 transitions. [2019-10-14 22:08:20,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-10-14 22:08:20,858 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 154 [2019-10-14 22:08:20,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:08:20,864 INFO L225 Difference]: With dead ends: 409 [2019-10-14 22:08:20,864 INFO L226 Difference]: Without dead ends: 250 [2019-10-14 22:08:20,867 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=292, Invalid=4400, Unknown=0, NotChecked=0, Total=4692 [2019-10-14 22:08:20,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-10-14 22:08:20,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 202. [2019-10-14 22:08:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-10-14 22:08:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 240 transitions. [2019-10-14 22:08:20,895 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 240 transitions. Word has length 154 [2019-10-14 22:08:20,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:08:20,896 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 240 transitions. [2019-10-14 22:08:20,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-10-14 22:08:20,896 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 240 transitions. [2019-10-14 22:08:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-14 22:08:20,899 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:08:20,899 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 22:08:21,108 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:08:21,108 INFO L410 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:08:21,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:08:21,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1779393950, now seen corresponding path program 1 times [2019-10-14 22:08:21,109 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:08:21,110 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341072452] [2019-10-14 22:08:21,110 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:21,110 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:21,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:08:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,291 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-10-14 22:08:22,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341072452] [2019-10-14 22:08:22,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626667055] [2019-10-14 22:08:22,292 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 22:08:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:22,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 52 conjunts are in the unsatisfiable core [2019-10-14 22:08:22,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:08:22,604 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 22:08:22,605 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:22,612 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:22,615 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 22:08:22,615 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:22,620 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:22,621 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 22:08:22,622 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:7 [2019-10-14 22:08:24,687 WARN L860 $PredicateComparison]: unable to prove that (exists ((alloc_or_die_master_~ptr~1.base Int) (alloc_or_die_master_~ptr~1.offset Int)) (let ((.cse0 (+ alloc_or_die_master_~ptr~1.offset 4)) (.cse1 (+ alloc_or_die_master_~ptr~1.offset 8))) (and (<= (+ |c_#StackHeapBarrier| 1) alloc_or_die_master_~ptr~1.base) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| alloc_or_die_master_~ptr~1.base (store (store (store (select |c_old(#memory_$Pointer$.base)| alloc_or_die_master_~ptr~1.base) alloc_or_die_master_~ptr~1.offset 0) .cse0 0) .cse1 0))) (= (store |c_old(#memory_$Pointer$.offset)| alloc_or_die_master_~ptr~1.base (store (store (store (select |c_old(#memory_$Pointer$.offset)| alloc_or_die_master_~ptr~1.base) alloc_or_die_master_~ptr~1.offset 0) .cse0 0) .cse1 0)) |c_#memory_$Pointer$.offset|)))) is different from true [2019-10-14 22:08:35,583 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 36 [2019-10-14 22:08:35,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:35,827 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 75 treesize of output 71 [2019-10-14 22:08:35,828 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:35,899 INFO L567 ElimStorePlain]: treesize reduction 19, result has 78.9 percent of original size [2019-10-14 22:08:35,912 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 75 treesize of output 71 [2019-10-14 22:08:35,913 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:36,008 INFO L567 ElimStorePlain]: treesize reduction 17, result has 81.9 percent of original size [2019-10-14 22:08:36,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,023 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 22:08:36,023 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:65, output treesize:1 [2019-10-14 22:08:36,442 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,465 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 22:08:36,465 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:36,468 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 22:08:36,468 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:36,469 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:36,469 INFO L464 ElimStorePlain]: Eliminatee |v_old(#memory_$Pointer$.offset)_AFTER_CALL_43| vanished before elimination [2019-10-14 22:08:36,470 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 22:08:36,470 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:99, output treesize:1 [2019-10-14 22:08:36,519 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 126 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-14 22:08:36,519 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:08:36,519 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 22 [2019-10-14 22:08:36,520 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044666376] [2019-10-14 22:08:36,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-14 22:08:36,521 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:08:36,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-14 22:08:36,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=360, Unknown=5, NotChecked=38, Total=462 [2019-10-14 22:08:36,522 INFO L87 Difference]: Start difference. First operand 202 states and 240 transitions. Second operand 22 states.