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-data/shared_mem2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:08:04,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:08:04,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:08:04,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:08:04,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:08:04,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:08:04,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:08:05,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:08:05,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:08:05,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:08:05,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:08:05,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:08:05,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:08:05,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:08:05,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:08:05,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:08:05,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:08:05,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:08:05,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:08:05,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:08:05,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:08:05,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:08:05,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:08:05,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:08:05,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:08:05,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:08:05,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:08:05,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:08:05,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:08:05,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:08:05,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:08:05,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:08:05,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:08:05,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:08:05,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:08:05,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:08:05,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:08:05,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:08:05,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:08:05,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:08:05,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:08:05,041 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 22:08:05,055 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:08:05,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:08:05,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:08:05,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:08:05,057 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:08:05,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:08:05,057 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:08:05,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:08:05,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:08:05,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:08:05,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:08:05,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:08:05,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:08:05,059 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:08:05,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:08:05,059 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:08:05,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:08:05,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:08:05,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:08:05,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:08:05,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:08:05,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:08:05,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:08:05,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:08:05,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:08:05,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:08:05,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:08:05,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:08:05,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:08:05,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:08:05,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:08:05,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:08:05,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:08:05,393 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:08:05,393 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/shared_mem2.i [2019-10-14 22:08:05,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf0fd031/b65bb96bbab44aef8d76f5b7ccbe95e5/FLAG07e984554 [2019-10-14 22:08:05,969 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:08:05,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/shared_mem2.i [2019-10-14 22:08:05,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf0fd031/b65bb96bbab44aef8d76f5b7ccbe95e5/FLAG07e984554 [2019-10-14 22:08:06,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf0fd031/b65bb96bbab44aef8d76f5b7ccbe95e5 [2019-10-14 22:08:06,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:08:06,331 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:08:06,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:08:06,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:08:06,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:08:06,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:06" (1/1) ... [2019-10-14 22:08:06,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19921db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:06, skipping insertion in model container [2019-10-14 22:08:06,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:08:06" (1/1) ... [2019-10-14 22:08:06,348 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:08:06,399 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:08:06,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:08:06,883 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:08:06,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:08:07,006 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:08:07,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07 WrapperNode [2019-10-14 22:08:07,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:08:07,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:08:07,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:08:07,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:08:07,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07" (1/1) ... [2019-10-14 22:08:07,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07" (1/1) ... [2019-10-14 22:08:07,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07" (1/1) ... [2019-10-14 22:08:07,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07" (1/1) ... [2019-10-14 22:08:07,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07" (1/1) ... [2019-10-14 22:08:07,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07" (1/1) ... [2019-10-14 22:08:07,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07" (1/1) ... [2019-10-14 22:08:07,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:08:07,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:08:07,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:08:07,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:08:07,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07" (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 22:08:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:08:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:08:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-14 22:08:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-14 22:08:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:08:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:08:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:08:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-14 22:08:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-14 22:08:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-14 22:08:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-14 22:08:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-14 22:08:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-14 22:08:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-14 22:08:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-14 22:08:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-14 22:08:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-14 22:08:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-14 22:08:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-14 22:08:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-14 22:08:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-14 22:08:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-14 22:08:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-14 22:08:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-14 22:08:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-14 22:08:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-14 22:08:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-14 22:08:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-14 22:08:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-14 22:08:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-14 22:08:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-14 22:08:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-14 22:08:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-14 22:08:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-14 22:08:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-14 22:08:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-14 22:08:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-14 22:08:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-14 22:08:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-14 22:08:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-14 22:08:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-14 22:08:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-14 22:08:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-14 22:08:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-14 22:08:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-14 22:08:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-14 22:08:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-14 22:08:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-14 22:08:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-14 22:08:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-14 22:08:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-14 22:08:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-14 22:08:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-14 22:08:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-14 22:08:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-14 22:08:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-14 22:08:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-14 22:08:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-14 22:08:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-14 22:08:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:08:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:08:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-14 22:08:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:08:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-14 22:08:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-14 22:08:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-14 22:08:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-14 22:08:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-14 22:08:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-14 22:08:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-14 22:08:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-14 22:08:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-14 22:08:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 22:08:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-14 22:08:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-14 22:08:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-14 22:08:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-14 22:08:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-14 22:08:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-14 22:08:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-14 22:08:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-14 22:08:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-14 22:08:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-14 22:08:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-14 22:08:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-14 22:08:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-14 22:08:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-14 22:08:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-14 22:08:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-14 22:08:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-14 22:08:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-14 22:08:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-14 22:08:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-14 22:08:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-14 22:08:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-14 22:08:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-14 22:08:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-14 22:08:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-14 22:08:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-14 22:08:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-14 22:08:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-14 22:08:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-14 22:08:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-14 22:08:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-14 22:08:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-14 22:08:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-14 22:08:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-14 22:08:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-14 22:08:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-14 22:08:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-14 22:08:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-14 22:08:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-14 22:08:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:08:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:08:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:08:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:08:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:08:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:08:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:08:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:08:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:08:07,695 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:08:07,695 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-14 22:08:07,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:07 BoogieIcfgContainer [2019-10-14 22:08:07,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:08:07,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:08:07,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:08:07,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:08:07,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:08:06" (1/3) ... [2019-10-14 22:08:07,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1271c240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:07, skipping insertion in model container [2019-10-14 22:08:07,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:08:07" (2/3) ... [2019-10-14 22:08:07,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1271c240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:08:07, skipping insertion in model container [2019-10-14 22:08:07,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:08:07" (3/3) ... [2019-10-14 22:08:07,705 INFO L109 eAbstractionObserver]: Analyzing ICFG shared_mem2.i [2019-10-14 22:08:07,715 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:08:07,722 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:08:07,733 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:08:07,757 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:08:07,757 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:08:07,757 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:08:07,758 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:08:07,759 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:08:07,759 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:08:07,759 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:08:07,760 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:08:07,776 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-10-14 22:08:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-14 22:08:07,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:08:07,782 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:08:07,784 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:08:07,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:08:07,790 INFO L82 PathProgramCache]: Analyzing trace with hash 976014476, now seen corresponding path program 1 times [2019-10-14 22:08:07,798 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:08:07,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851510789] [2019-10-14 22:08:07,799 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:07,799 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:07,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:08:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:07,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:08:07,995 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851510789] [2019-10-14 22:08:07,996 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:08:07,997 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 22:08:07,997 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018910830] [2019-10-14 22:08:08,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 22:08:08,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:08:08,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 22:08:08,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 22:08:08,020 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-10-14 22:08:08,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:08:08,129 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-10-14 22:08:08,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 22:08:08,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-10-14 22:08:08,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:08:08,141 INFO L225 Difference]: With dead ends: 35 [2019-10-14 22:08:08,141 INFO L226 Difference]: Without dead ends: 18 [2019-10-14 22:08:08,144 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 22:08:08,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-10-14 22:08:08,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-10-14 22:08:08,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-14 22:08:08,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-10-14 22:08:08,180 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12 [2019-10-14 22:08:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:08:08,180 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-10-14 22:08:08,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 22:08:08,180 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-10-14 22:08:08,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-14 22:08:08,181 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:08:08,181 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:08:08,182 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:08:08,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:08:08,182 INFO L82 PathProgramCache]: Analyzing trace with hash 2140991581, now seen corresponding path program 1 times [2019-10-14 22:08:08,182 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:08:08,183 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913002105] [2019-10-14 22:08:08,183 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:08,183 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:08,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:08:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:08:08,339 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913002105] [2019-10-14 22:08:08,340 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:08:08,340 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 22:08:08,340 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537185428] [2019-10-14 22:08:08,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 22:08:08,342 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:08:08,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 22:08:08,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-14 22:08:08,343 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 6 states. [2019-10-14 22:08:08,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:08:08,503 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2019-10-14 22:08:08,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 22:08:08,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-10-14 22:08:08,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:08:08,506 INFO L225 Difference]: With dead ends: 30 [2019-10-14 22:08:08,506 INFO L226 Difference]: Without dead ends: 26 [2019-10-14 22:08:08,507 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:08:08,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-14 22:08:08,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-10-14 22:08:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-14 22:08:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2019-10-14 22:08:08,513 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 14 [2019-10-14 22:08:08,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:08:08,514 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2019-10-14 22:08:08,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 22:08:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2019-10-14 22:08:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-14 22:08:08,515 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:08:08,515 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:08:08,515 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:08:08,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:08:08,515 INFO L82 PathProgramCache]: Analyzing trace with hash -295797189, now seen corresponding path program 1 times [2019-10-14 22:08:08,515 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:08:08,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511726725] [2019-10-14 22:08:08,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:08,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:08,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:08:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:08:08,701 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511726725] [2019-10-14 22:08:08,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82346403] [2019-10-14 22:08:08,705 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 22:08:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:08,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-14 22:08:08,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:08:08,955 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-10-14 22:08:08,956 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2019-10-14 22:08:08,957 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:08,982 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:08,985 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_24|], 2=[|v_#memory_int_21|]} [2019-10-14 22:08:08,996 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 22:08:09,022 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 15 [2019-10-14 22:08:09,022 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:09,057 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:09,097 INFO L341 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-10-14 22:08:09,097 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 21 [2019-10-14 22:08:09,099 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:09,124 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:09,125 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 22:08:09,125 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:29 [2019-10-14 22:08:09,224 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:09,225 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2019-10-14 22:08:09,226 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:09,261 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:09,269 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_22|, |v_#memory_int_23|], 10=[|v_#memory_int_25|]} [2019-10-14 22:08:09,282 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 22:08:09,314 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:09,319 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 22:08:09,343 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:09,406 INFO L341 Elim1Store]: treesize reduction 90, result has 25.0 percent of original size [2019-10-14 22:08:09,407 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 52 [2019-10-14 22:08:09,410 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:09,444 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:09,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:09,451 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 22:08:09,452 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:94, output treesize:7 [2019-10-14 22:08:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:08:09,490 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:08:09,490 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 9 [2019-10-14 22:08:09,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952598380] [2019-10-14 22:08:09,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 22:08:09,492 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:08:09,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 22:08:09,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-14 22:08:09,493 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand 9 states. [2019-10-14 22:08:09,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:08:09,769 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2019-10-14 22:08:09,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 22:08:09,769 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-10-14 22:08:09,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:08:09,772 INFO L225 Difference]: With dead ends: 42 [2019-10-14 22:08:09,772 INFO L226 Difference]: Without dead ends: 38 [2019-10-14 22:08:09,773 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-14 22:08:09,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-14 22:08:09,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 22. [2019-10-14 22:08:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-14 22:08:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-10-14 22:08:09,779 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 17 [2019-10-14 22:08:09,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:08:09,780 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-10-14 22:08:09,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 22:08:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-10-14 22:08:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-14 22:08:09,780 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:08:09,781 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:08:09,994 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:08:09,994 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:08:09,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:08:09,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1470664204, now seen corresponding path program 1 times [2019-10-14 22:08:09,995 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:08:09,996 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890989707] [2019-10-14 22:08:09,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:09,997 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:09,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:08:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:08:10,269 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890989707] [2019-10-14 22:08:10,269 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590894793] [2019-10-14 22:08:10,269 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 22:08:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:10,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-14 22:08:10,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:08:10,411 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 8 [2019-10-14 22:08:10,412 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:10,429 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:10,431 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_27|], 2=[|v_#memory_int_26|]} [2019-10-14 22:08:10,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 22:08:10,451 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 15 [2019-10-14 22:08:10,452 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:10,460 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:10,472 INFO L341 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-10-14 22:08:10,473 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 21 [2019-10-14 22:08:10,474 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:10,484 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:10,485 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-14 22:08:10,485 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:66, output treesize:19 [2019-10-14 22:08:10,566 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_20|, |v_#memory_$Pointer$.offset_20|], 20=[|v_#memory_int_28|]} [2019-10-14 22:08:10,572 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 77 treesize of output 53 [2019-10-14 22:08:10,573 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 22:08:10,592 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:10,595 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 53 treesize of output 35 [2019-10-14 22:08:10,595 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 22:08:10,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:10,793 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-10-14 22:08:10,794 INFO L341 Elim1Store]: treesize reduction 24, result has 85.0 percent of original size [2019-10-14 22:08:10,795 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 156 [2019-10-14 22:08:10,798 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:10,799 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:10,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:10,807 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:10,989 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2019-10-14 22:08:10,989 INFO L567 ElimStorePlain]: treesize reduction 106, result has 61.9 percent of original size [2019-10-14 22:08:10,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:10,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:10,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:10,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:10,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:10,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:10,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:10,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,035 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-10-14 22:08:11,036 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:95, output treesize:171 [2019-10-14 22:08:11,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,060 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,062 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,068 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,111 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,113 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,117 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,119 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,120 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,126 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,126 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,132 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,136 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,142 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,146 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,165 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,170 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,171 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,173 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,176 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,176 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,179 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,181 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,184 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,184 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,185 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,186 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,187 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,188 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,191 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,192 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,194 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,199 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:11,199 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,201 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,202 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,208 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,209 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,213 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:11,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,433 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,448 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,484 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,490 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,491 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,504 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,504 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,505 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,508 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 22:08:12,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,529 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,530 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,531 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,531 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,536 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,538 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,538 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:12,540 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:17,172 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 221 DAG size of output: 65 [2019-10-14 22:08:17,176 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-10-14 22:08:17,366 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 48 [2019-10-14 22:08:17,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:17,411 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:17,411 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 36 [2019-10-14 22:08:17,413 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:17,424 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:17,425 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 36 [2019-10-14 22:08:17,426 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:17,489 INFO L567 ElimStorePlain]: treesize reduction 8, result has 85.5 percent of original size [2019-10-14 22:08:17,494 INFO L496 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 22:08:17,495 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:97, output treesize:7 [2019-10-14 22:08:17,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:08:17,528 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:08:17,529 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2019-10-14 22:08:17,529 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919098371] [2019-10-14 22:08:17,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-14 22:08:17,530 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:08:17,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-14 22:08:17,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=172, Unknown=1, NotChecked=0, Total=210 [2019-10-14 22:08:17,530 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 15 states. [2019-10-14 22:08:20,854 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 47 [2019-10-14 22:08:24,457 WARN L191 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2019-10-14 22:08:25,082 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2019-10-14 22:08:25,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:08:25,364 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2019-10-14 22:08:25,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 22:08:25,364 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 18 [2019-10-14 22:08:25,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:08:25,366 INFO L225 Difference]: With dead ends: 48 [2019-10-14 22:08:25,366 INFO L226 Difference]: Without dead ends: 42 [2019-10-14 22:08:25,367 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=131, Invalid=468, Unknown=1, NotChecked=0, Total=600 [2019-10-14 22:08:25,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-10-14 22:08:25,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 30. [2019-10-14 22:08:25,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-14 22:08:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2019-10-14 22:08:25,379 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 18 [2019-10-14 22:08:25,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:08:25,380 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2019-10-14 22:08:25,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-14 22:08:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2019-10-14 22:08:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-14 22:08:25,381 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:08:25,381 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:08:25,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 22:08:25,594 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:08:25,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:08:25,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1648172846, now seen corresponding path program 1 times [2019-10-14 22:08:25,594 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:08:25,595 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205499305] [2019-10-14 22:08:25,595 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:25,595 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:08:25,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:08:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:25,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:08:25,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205499305] [2019-10-14 22:08:25,963 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004819776] [2019-10-14 22:08:25,963 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 22:08:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:08:26,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 22:08:26,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:08:26,111 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_21|], 12=[|v_#memory_int_29|]} [2019-10-14 22:08:26,113 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 77 treesize of output 59 [2019-10-14 22:08:26,114 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 22:08:26,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:26,124 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 59 treesize of output 35 [2019-10-14 22:08:26,125 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-14 22:08:26,133 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:26,250 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-10-14 22:08:26,251 INFO L341 Elim1Store]: treesize reduction 12, result has 88.3 percent of original size [2019-10-14 22:08:26,251 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 108 [2019-10-14 22:08:26,252 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,255 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,257 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,258 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:26,433 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 41 [2019-10-14 22:08:26,434 INFO L567 ElimStorePlain]: treesize reduction 174, result has 35.8 percent of original size [2019-10-14 22:08:26,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,438 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-10-14 22:08:26,438 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:84, output treesize:96 [2019-10-14 22:08:26,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:26,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,529 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,530 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,605 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:30,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 22:08:36,721 WARN L191 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 55 DAG size of output: 10 [2019-10-14 22:08:36,745 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 22 treesize of output 10 [2019-10-14 22:08:36,746 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 22:08:36,755 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 22:08:36,755 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 22:08:36,755 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:7 [2019-10-14 22:08:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-14 22:08:36,777 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:08:36,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2019-10-14 22:08:36,778 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10221473] [2019-10-14 22:08:36,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-14 22:08:36,779 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:08:36,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-14 22:08:36,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=197, Unknown=2, NotChecked=0, Total=240 [2019-10-14 22:08:36,779 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 16 states. [2019-10-14 22:08:39,445 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 43