/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-token-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:25:42,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:25:42,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:25:42,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:25:42,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:25:42,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:25:42,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:25:42,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:25:42,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:25:42,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:25:42,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:25:42,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:25:42,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:25:42,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:25:42,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:25:42,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:25:42,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:25:42,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:25:42,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:25:42,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:25:42,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:25:42,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:25:42,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:25:42,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:25:42,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:25:42,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:25:42,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:25:42,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:25:42,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:25:42,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:25:42,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:25:42,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:25:42,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:25:42,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:25:42,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:25:42,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:25:42,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:25:42,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:25:42,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:25:42,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:25:42,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:25:42,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:25:42,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:25:42,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:25:42,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:25:42,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:25:42,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:25:42,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:25:42,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:25:42,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:25:42,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:25:42,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:25:42,389 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:25:42,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:25:42,390 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:25:42,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:25:42,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:25:42,391 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:25:42,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:25:42,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:25:42,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:25:42,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:25:42,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:25:42,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:25:42,392 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:25:42,392 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:25:42,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:25:42,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:25:42,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:25:42,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:25:42,857 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:25:42,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-token-2.i [2021-02-24 04:25:42,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c16de159/a5a2b0493f4c42e49963845dc51321d5/FLAGd0c6ce041 [2021-02-24 04:25:43,761 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:25:43,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i [2021-02-24 04:25:43,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c16de159/a5a2b0493f4c42e49963845dc51321d5/FLAGd0c6ce041 [2021-02-24 04:25:44,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c16de159/a5a2b0493f4c42e49963845dc51321d5 [2021-02-24 04:25:44,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:25:44,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:25:44,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:25:44,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:25:44,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:25:44,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:25:44" (1/1) ... [2021-02-24 04:25:44,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6b6960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44, skipping insertion in model container [2021-02-24 04:25:44,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:25:44" (1/1) ... [2021-02-24 04:25:44,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:25:44,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:25:44,623 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22229,22242] [2021-02-24 04:25:44,629 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22398,22411] [2021-02-24 04:25:44,631 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22489,22502] [2021-02-24 04:25:44,632 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22571,22584] [2021-02-24 04:25:44,633 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22649,22662] [2021-02-24 04:25:44,635 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22795,22808] [2021-02-24 04:25:44,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:25:44,652 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:25:44,686 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22229,22242] [2021-02-24 04:25:44,689 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22398,22411] [2021-02-24 04:25:44,690 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22489,22502] [2021-02-24 04:25:44,692 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22571,22584] [2021-02-24 04:25:44,693 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22649,22662] [2021-02-24 04:25:44,695 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i[22795,22808] [2021-02-24 04:25:44,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:25:44,760 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:25:44,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44 WrapperNode [2021-02-24 04:25:44,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:25:44,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:25:44,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:25:44,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:25:44,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44" (1/1) ... [2021-02-24 04:25:44,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44" (1/1) ... [2021-02-24 04:25:44,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44" (1/1) ... [2021-02-24 04:25:44,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44" (1/1) ... [2021-02-24 04:25:44,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44" (1/1) ... [2021-02-24 04:25:44,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44" (1/1) ... [2021-02-24 04:25:44,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44" (1/1) ... [2021-02-24 04:25:44,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:25:44,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:25:44,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:25:44,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:25:44,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:25:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:25:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:25:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:25:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:25:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-24 04:25:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-24 04:25:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-24 04:25:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-24 04:25:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-24 04:25:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-24 04:25:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-24 04:25:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-24 04:25:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-24 04:25:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-24 04:25:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-24 04:25:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-24 04:25:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-24 04:25:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-24 04:25:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-24 04:25:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-24 04:25:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-24 04:25:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-24 04:25:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-24 04:25:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-24 04:25:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-24 04:25:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-24 04:25:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-24 04:25:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-24 04:25:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-24 04:25:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-24 04:25:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-24 04:25:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-24 04:25:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-24 04:25:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-24 04:25:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-24 04:25:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-24 04:25:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-24 04:25:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-24 04:25:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-24 04:25:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-24 04:25:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-24 04:25:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-24 04:25:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-24 04:25:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-24 04:25:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-24 04:25:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-24 04:25:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-24 04:25:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-24 04:25:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-24 04:25:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-24 04:25:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-24 04:25:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-24 04:25:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-24 04:25:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-24 04:25:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 04:25:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-24 04:25:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-24 04:25:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 04:25:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-24 04:25:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-24 04:25:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-24 04:25:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-24 04:25:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-24 04:25:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:25:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-24 04:25:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-24 04:25:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-24 04:25:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:25:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-24 04:25:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-24 04:25:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-24 04:25:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-24 04:25:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-24 04:25:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-24 04:25:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-24 04:25:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-24 04:25:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-24 04:25:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-24 04:25:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-24 04:25:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-24 04:25:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-24 04:25:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-24 04:25:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-24 04:25:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-24 04:25:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-24 04:25:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-24 04:25:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-24 04:25:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-24 04:25:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-24 04:25:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-24 04:25:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-24 04:25:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-24 04:25:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-24 04:25:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-24 04:25:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-24 04:25:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-24 04:25:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-24 04:25:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-24 04:25:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-24 04:25:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-24 04:25:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-24 04:25:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-24 04:25:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-24 04:25:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-24 04:25:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-24 04:25:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-24 04:25:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-24 04:25:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:25:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:25:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 04:25:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 04:25:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:25:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:25:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:25:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 04:25:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 04:25:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:25:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 04:25:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:25:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:25:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:25:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:25:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:25:45,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:25:45,985 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-02-24 04:25:45,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:25:45 BoogieIcfgContainer [2021-02-24 04:25:45,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:25:45,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:25:45,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:25:45,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:25:45,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:25:44" (1/3) ... [2021-02-24 04:25:45,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201dfc63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:25:45, skipping insertion in model container [2021-02-24 04:25:45,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:44" (2/3) ... [2021-02-24 04:25:45,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201dfc63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:25:45, skipping insertion in model container [2021-02-24 04:25:45,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:25:45" (3/3) ... [2021-02-24 04:25:45,998 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-token-2.i [2021-02-24 04:25:46,006 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:25:46,012 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-02-24 04:25:46,032 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-02-24 04:25:46,057 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:25:46,058 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:25:46,058 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:25:46,058 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:25:46,058 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:25:46,058 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:25:46,059 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:25:46,059 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:25:46,078 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2021-02-24 04:25:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-24 04:25:46,088 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:46,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:25:46,089 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:46,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:46,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1971644664, now seen corresponding path program 1 times [2021-02-24 04:25:46,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:46,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818684101] [2021-02-24 04:25:46,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:46,202 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:46,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:46,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:46,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:46,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:46,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:25:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:46,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:46,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:46,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:25:46,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818684101] [2021-02-24 04:25:46,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:25:46,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 04:25:46,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894786272] [2021-02-24 04:25:46,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 04:25:46,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:25:46,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 04:25:46,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 04:25:46,515 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 3 states. [2021-02-24 04:25:46,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:25:46,916 INFO L93 Difference]: Finished difference Result 199 states and 245 transitions. [2021-02-24 04:25:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 04:25:46,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2021-02-24 04:25:46,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:25:46,932 INFO L225 Difference]: With dead ends: 199 [2021-02-24 04:25:46,933 INFO L226 Difference]: Without dead ends: 94 [2021-02-24 04:25:46,938 INFO L677 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 [2021-02-24 04:25:46,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-02-24 04:25:46,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-02-24 04:25:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-24 04:25:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2021-02-24 04:25:46,991 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 30 [2021-02-24 04:25:46,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:25:46,992 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2021-02-24 04:25:46,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 04:25:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2021-02-24 04:25:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-02-24 04:25:46,993 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:46,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:25:46,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:25:46,995 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:46,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:46,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1651111878, now seen corresponding path program 1 times [2021-02-24 04:25:46,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:46,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851756893] [2021-02-24 04:25:46,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:47,003 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:47,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:47,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:25:47,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:25:47,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 04:25:47,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:25:47,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 04:25:47,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 04:25:47,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:25:47,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:25:47,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:25:47,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:47,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:25:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:47,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:47,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:25:47,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851756893] [2021-02-24 04:25:47,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:25:47,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-24 04:25:47,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780370022] [2021-02-24 04:25:47,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-24 04:25:47,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:25:47,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-24 04:25:47,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-02-24 04:25:47,558 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand 12 states. [2021-02-24 04:25:48,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:25:48,754 INFO L93 Difference]: Finished difference Result 178 states and 183 transitions. [2021-02-24 04:25:48,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 04:25:48,755 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 31 [2021-02-24 04:25:48,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:25:48,758 INFO L225 Difference]: With dead ends: 178 [2021-02-24 04:25:48,758 INFO L226 Difference]: Without dead ends: 176 [2021-02-24 04:25:48,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2021-02-24 04:25:48,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-02-24 04:25:48,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 107. [2021-02-24 04:25:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-02-24 04:25:48,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 110 transitions. [2021-02-24 04:25:48,784 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 110 transitions. Word has length 31 [2021-02-24 04:25:48,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:25:48,785 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 110 transitions. [2021-02-24 04:25:48,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-24 04:25:48,785 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2021-02-24 04:25:48,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-24 04:25:48,786 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:48,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:25:48,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:25:48,787 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:48,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:48,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1446677332, now seen corresponding path program 1 times [2021-02-24 04:25:48,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:48,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845513861] [2021-02-24 04:25:48,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:48,795 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:48,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:48,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:48,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:48,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:25:48,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:48,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:25:48,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:48,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:25:48,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:48,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:48,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:25:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:48,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:48,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:25:48,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845513861] [2021-02-24 04:25:48,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:25:49,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-24 04:25:49,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129556743] [2021-02-24 04:25:49,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-24 04:25:49,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:25:49,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-24 04:25:49,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-24 04:25:49,005 INFO L87 Difference]: Start difference. First operand 107 states and 110 transitions. Second operand 6 states. [2021-02-24 04:25:49,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:25:49,499 INFO L93 Difference]: Finished difference Result 164 states and 168 transitions. [2021-02-24 04:25:49,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-24 04:25:49,500 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-02-24 04:25:49,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:25:49,502 INFO L225 Difference]: With dead ends: 164 [2021-02-24 04:25:49,502 INFO L226 Difference]: Without dead ends: 162 [2021-02-24 04:25:49,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-02-24 04:25:49,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-02-24 04:25:49,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 105. [2021-02-24 04:25:49,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2021-02-24 04:25:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 108 transitions. [2021-02-24 04:25:49,527 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 108 transitions. Word has length 32 [2021-02-24 04:25:49,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:25:49,528 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 108 transitions. [2021-02-24 04:25:49,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-24 04:25:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 108 transitions. [2021-02-24 04:25:49,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-02-24 04:25:49,530 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:49,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:25:49,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 04:25:49,531 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:49,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:49,531 INFO L82 PathProgramCache]: Analyzing trace with hash -2072063760, now seen corresponding path program 1 times [2021-02-24 04:25:49,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:49,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818038682] [2021-02-24 04:25:49,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:49,538 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:49,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:49,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:49,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:49,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:25:49,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:49,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:25:49,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:49,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:25:49,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:49,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:49,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:25:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:49,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:49,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:49,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:25:49,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818038682] [2021-02-24 04:25:49,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:25:49,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-24 04:25:49,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38273057] [2021-02-24 04:25:49,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-24 04:25:49,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:25:49,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-24 04:25:49,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-24 04:25:49,696 INFO L87 Difference]: Start difference. First operand 105 states and 108 transitions. Second operand 6 states. [2021-02-24 04:25:50,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:25:50,133 INFO L93 Difference]: Finished difference Result 105 states and 108 transitions. [2021-02-24 04:25:50,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 04:25:50,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2021-02-24 04:25:50,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:25:50,139 INFO L225 Difference]: With dead ends: 105 [2021-02-24 04:25:50,139 INFO L226 Difference]: Without dead ends: 102 [2021-02-24 04:25:50,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-24 04:25:50,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-02-24 04:25:50,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2021-02-24 04:25:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-02-24 04:25:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 105 transitions. [2021-02-24 04:25:50,163 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 105 transitions. Word has length 39 [2021-02-24 04:25:50,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:25:50,164 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 105 transitions. [2021-02-24 04:25:50,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-24 04:25:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2021-02-24 04:25:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-02-24 04:25:50,166 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:50,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:25:50,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 04:25:50,166 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:50,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:50,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1984236912, now seen corresponding path program 1 times [2021-02-24 04:25:50,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:50,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164272127] [2021-02-24 04:25:50,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:50,174 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:50,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:50,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:25:50,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:25:50,340 WARN L141 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-02-24 04:25:50,341 WARN L147 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size 15 [2021-02-24 04:25:50,368 WARN L141 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size [2021-02-24 04:25:50,370 WARN L147 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size 29 [2021-02-24 04:25:50,429 WARN L141 QuantifierPusher]: treesize reduction 21, result has 57.1 percent of original size [2021-02-24 04:25:50,430 WARN L147 QuantifierPusher]: treesize reduction 21, result has 57.1 percent of original size 28 [2021-02-24 04:25:50,486 WARN L141 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-02-24 04:25:50,489 WARN L147 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size 32 [2021-02-24 04:25:50,560 WARN L141 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size [2021-02-24 04:25:50,564 WARN L147 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size 52 [2021-02-24 04:25:50,649 WARN L141 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-02-24 04:25:50,652 WARN L147 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size 32 [2021-02-24 04:25:50,654 WARN L141 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-02-24 04:25:50,655 WARN L147 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size 23 [2021-02-24 04:25:50,691 WARN L141 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-02-24 04:25:50,692 WARN L147 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size 13 [2021-02-24 04:25:50,721 WARN L141 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-02-24 04:25:50,722 WARN L147 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size 13 [2021-02-24 04:25:50,756 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-24 04:25:50,758 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-24 04:25:50,794 WARN L141 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-02-24 04:25:50,795 WARN L147 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size 1 [2021-02-24 04:25:50,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:50,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:25:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:50,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:25:50,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164272127] [2021-02-24 04:25:50,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:25:50,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-24 04:25:50,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228345350] [2021-02-24 04:25:50,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-24 04:25:50,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:25:50,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-24 04:25:50,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-02-24 04:25:50,902 INFO L87 Difference]: Start difference. First operand 102 states and 105 transitions. Second operand 14 states. [2021-02-24 04:25:52,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:25:52,400 INFO L93 Difference]: Finished difference Result 233 states and 239 transitions. [2021-02-24 04:25:52,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-24 04:25:52,401 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2021-02-24 04:25:52,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:25:52,403 INFO L225 Difference]: With dead ends: 233 [2021-02-24 04:25:52,404 INFO L226 Difference]: Without dead ends: 190 [2021-02-24 04:25:52,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=167, Invalid=433, Unknown=0, NotChecked=0, Total=600 [2021-02-24 04:25:52,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-02-24 04:25:52,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 117. [2021-02-24 04:25:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2021-02-24 04:25:52,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 120 transitions. [2021-02-24 04:25:52,436 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 120 transitions. Word has length 39 [2021-02-24 04:25:52,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:25:52,436 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 120 transitions. [2021-02-24 04:25:52,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-24 04:25:52,437 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 120 transitions. [2021-02-24 04:25:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-02-24 04:25:52,438 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:52,439 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:25:52,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 04:25:52,439 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:52,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:52,440 INFO L82 PathProgramCache]: Analyzing trace with hash 138822313, now seen corresponding path program 1 times [2021-02-24 04:25:52,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:52,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177624105] [2021-02-24 04:25:52,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:52,538 WARN L141 QuantifierPusher]: treesize reduction 5, result has 98.3 percent of original size [2021-02-24 04:25:52,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-02-24 04:25:52,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-02-24 04:25:52,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-02-24 04:25:52,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-02-24 04:25:52,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:25:52,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:25:52,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:25:52,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:25:52,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:25:52,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:25:52,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-02-24 04:25:52,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-02-24 04:25:52,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-02-24 04:25:52,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-02-24 04:25:52,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:25:52,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:25:52,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 472 [2021-02-24 04:25:52,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 473 [2021-02-24 04:25:52,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:52,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 487 [2021-02-24 04:25:52,739 WARN L147 QuantifierPusher]: treesize reduction 5, result has 98.3 percent of original size 292 [2021-02-24 04:25:52,788 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_31|, |v_#memory_$Pointer$.offset_31|, |v_#memory_int_42|], 2=[|v_#memory_int_41|]} [2021-02-24 04:25:52,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-02-24 04:25:52,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:52,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:52,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:52,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-24 04:25:52,989 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-02-24 04:25:52,991 INFO L628 ElimStorePlain]: treesize reduction 3, result has 99.0 percent of original size [2021-02-24 04:25:52,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-02-24 04:25:53,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:53,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:53,005 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-24 04:25:53,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 04:25:53,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:53,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:53,061 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-24 04:25:53,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 04:25:53,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:53,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:53,107 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-24 04:25:53,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:53,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:53,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-24 04:25:53,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 04:25:53,140 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-24 04:25:53,140 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:493, output treesize:46 [2021-02-24 04:25:53,146 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: cannot bring into simultaneous update form #memory_$Pointer$.base's outvar occurs in several conjuncts [(<= 0 (+ |v_main_#t~nondet4_7| 2147483648)), (< |v_main_#t~malloc5.base_3| |v_#StackHeapBarrier_7|), (= |v_#valid_23| (store |v_#valid_24| |v_main_#t~malloc5.base_3| 1)), (= (let ((.cse0 (let ((.cse2 (store |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.offset_3|)))) (store .cse2 |v_main_#t~malloc5.base_3| (store (select .cse2 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.offset_35))))) (store .cse0 v_main_~x~0.base_34 (let ((.cse1 (+ v_main_~x~0.offset_34 8))) (store (select .cse0 v_main_~x~0.base_34) .cse1 (select (select |v_#memory_$Pointer$.offset_31| v_main_~x~0.base_34) .cse1))))) |v_#memory_$Pointer$.offset_31|), (= |v_#memory_int_31| (store |v_#memory_int_42| v_main_~x~0.base_34 (store (select |v_#memory_int_42| v_main_~x~0.base_34) (+ v_main_~x~0.offset_34 8) 0))), (= v_main_~x~0.base_34 (select (select (let ((.cse0 (store |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.base_3|)))) (store .cse0 |v_main_#t~malloc5.base_3| (store (select .cse0 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.base_35))) v_main_~x~0.base_35) v_main_~x~0.offset_35)), (= (store |v_#memory_int_41| |v_main_#t~malloc5.base_3| (let ((.cse0 (+ |v_main_#t~malloc5.offset_3| 4))) (store (select |v_#memory_int_41| |v_main_#t~malloc5.base_3|) .cse0 (select (select |v_#memory_int_42| |v_main_#t~malloc5.base_3|) .cse0)))) |v_#memory_int_42|), (<= |v_main_#t~nondet4_7| 2147483647), (> |v_main_#t~malloc5.base_3| 0), (> v_main_~x~0.base_34 0), (= (store |v_#length_16| |v_main_#t~malloc5.base_3| 12) |v_#length_15|), (= (select |v_#valid_24| |v_main_#t~malloc5.base_3|) 0), (> |v_main_#t~nondet4_7| 0), (= (select (select (let ((.cse0 (store |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.offset_3|)))) (store .cse0 |v_main_#t~malloc5.base_3| (store (select .cse0 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.offset_35))) v_main_~x~0.base_35) v_main_~x~0.offset_35) v_main_~x~0.offset_34), (= |v_main_#t~malloc5.offset_3| 0), (= (let ((.cse0 (let ((.cse2 (store |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.base_3|)))) (store .cse2 |v_main_#t~malloc5.base_3| (store (select .cse2 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.base_35))))) (store .cse0 v_main_~x~0.base_34 (let ((.cse1 (+ v_main_~x~0.offset_34 8))) (store (select .cse0 v_main_~x~0.base_34) .cse1 (select (select |v_#memory_$Pointer$.base_31| v_main_~x~0.base_34) .cse1))))) |v_#memory_$Pointer$.base_31|), (= (store |v_#memory_int_34| v_main_~x~0.base_35 (store (select |v_#memory_int_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 (select (select |v_#memory_int_41| v_main_~x~0.base_35) v_main_~x~0.offset_35))) |v_#memory_int_41|)] at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:107) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.calculateSymbolicMemory(LoopAcceleratorLite.java:167) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.summarizeLoop(LoopAcceleratorLite.java:105) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:52) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 04:25:53,150 INFO L168 Benchmark]: Toolchain (without parser) took 9104.66 ms. Allocated memory was 170.9 MB in the beginning and 282.1 MB in the end (delta: 111.1 MB). Free memory was 145.9 MB in the beginning and 228.8 MB in the end (delta: -82.9 MB). Peak memory consumption was 124.9 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:53,151 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 170.9 MB. Free memory is still 143.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:25:53,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.70 ms. Allocated memory is still 170.9 MB. Free memory was 144.8 MB in the beginning and 122.2 MB in the end (delta: 22.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:53,152 INFO L168 Benchmark]: Boogie Preprocessor took 154.40 ms. Allocated memory is still 170.9 MB. Free memory was 122.2 MB in the beginning and 152.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 3.6 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:53,152 INFO L168 Benchmark]: RCFGBuilder took 1070.08 ms. Allocated memory is still 170.9 MB. Free memory was 152.0 MB in the beginning and 102.2 MB in the end (delta: 49.8 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:53,153 INFO L168 Benchmark]: TraceAbstraction took 7159.35 ms. Allocated memory was 170.9 MB in the beginning and 282.1 MB in the end (delta: 111.1 MB). Free memory was 101.7 MB in the beginning and 228.8 MB in the end (delta: -127.1 MB). Peak memory consumption was 80.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:53,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 170.9 MB. Free memory is still 143.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 695.70 ms. Allocated memory is still 170.9 MB. Free memory was 144.8 MB in the beginning and 122.2 MB in the end (delta: 22.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 154.40 ms. Allocated memory is still 170.9 MB. Free memory was 122.2 MB in the beginning and 152.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 3.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1070.08 ms. Allocated memory is still 170.9 MB. Free memory was 152.0 MB in the beginning and 102.2 MB in the end (delta: 49.8 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7159.35 ms. Allocated memory was 170.9 MB in the beginning and 282.1 MB in the end (delta: 111.1 MB). Free memory was 101.7 MB in the beginning and 228.8 MB in the end (delta: -127.1 MB). Peak memory consumption was 80.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form #memory_$Pointer$.base's outvar occurs in several conjuncts [(<= 0 (+ |v_main_#t~nondet4_7| 2147483648)), (< |v_main_#t~malloc5.base_3| |v_#StackHeapBarrier_7|), (= |v_#valid_23| (store |v_#valid_24| |v_main_#t~malloc5.base_3| 1)), (= (let ((.cse0 (let ((.cse2 (store |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.offset_3|)))) (store .cse2 |v_main_#t~malloc5.base_3| (store (select .cse2 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.offset_35))))) (store .cse0 v_main_~x~0.base_34 (let ((.cse1 (+ v_main_~x~0.offset_34 8))) (store (select .cse0 v_main_~x~0.base_34) .cse1 (select (select |v_#memory_$Pointer$.offset_31| v_main_~x~0.base_34) .cse1))))) |v_#memory_$Pointer$.offset_31|), (= |v_#memory_int_31| (store |v_#memory_int_42| v_main_~x~0.base_34 (store (select |v_#memory_int_42| v_main_~x~0.base_34) (+ v_main_~x~0.offset_34 8) 0))), (= v_main_~x~0.base_34 (select (select (let ((.cse0 (store |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.base_3|)))) (store .cse0 |v_main_#t~malloc5.base_3| (store (select .cse0 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.base_35))) v_main_~x~0.base_35) v_main_~x~0.offset_35)), (= (store |v_#memory_int_41| |v_main_#t~malloc5.base_3| (let ((.cse0 (+ |v_main_#t~malloc5.offset_3| 4))) (store (select |v_#memory_int_41| |v_main_#t~malloc5.base_3|) .cse0 (select (select |v_#memory_int_42| |v_main_#t~malloc5.base_3|) .cse0)))) |v_#memory_int_42|), (<= |v_main_#t~nondet4_7| 2147483647), (> |v_main_#t~malloc5.base_3| 0), (> v_main_~x~0.base_34 0), (= (store |v_#length_16| |v_main_#t~malloc5.base_3| 12) |v_#length_15|), (= (select |v_#valid_24| |v_main_#t~malloc5.base_3|) 0), (> |v_main_#t~nondet4_7| 0), (= (select (select (let ((.cse0 (store |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.offset_3|)))) (store .cse0 |v_main_#t~malloc5.base_3| (store (select .cse0 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.offset_35))) v_main_~x~0.base_35) v_main_~x~0.offset_35) v_main_~x~0.offset_34), (= |v_main_#t~malloc5.offset_3| 0), (= (let ((.cse0 (let ((.cse2 (store |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.base_3|)))) (store .cse2 |v_main_#t~malloc5.base_3| (store (select .cse2 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.base_35))))) (store .cse0 v_main_~x~0.base_34 (let ((.cse1 (+ v_main_~x~0.offset_34 8))) (store (select .cse0 v_main_~x~0.base_34) .cse1 (select (select |v_#memory_$Pointer$.base_31| v_main_~x~0.base_34) .cse1))))) |v_#memory_$Pointer$.base_31|), (= (store |v_#memory_int_34| v_main_~x~0.base_35 (store (select |v_#memory_int_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 (select (select |v_#memory_int_41| v_main_~x~0.base_35) v_main_~x~0.offset_35))) |v_#memory_int_41|)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form #memory_$Pointer$.base's outvar occurs in several conjuncts [(<= 0 (+ |v_main_#t~nondet4_7| 2147483648)), (< |v_main_#t~malloc5.base_3| |v_#StackHeapBarrier_7|), (= |v_#valid_23| (store |v_#valid_24| |v_main_#t~malloc5.base_3| 1)), (= (let ((.cse0 (let ((.cse2 (store |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.offset_3|)))) (store .cse2 |v_main_#t~malloc5.base_3| (store (select .cse2 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.offset_35))))) (store .cse0 v_main_~x~0.base_34 (let ((.cse1 (+ v_main_~x~0.offset_34 8))) (store (select .cse0 v_main_~x~0.base_34) .cse1 (select (select |v_#memory_$Pointer$.offset_31| v_main_~x~0.base_34) .cse1))))) |v_#memory_$Pointer$.offset_31|), (= |v_#memory_int_31| (store |v_#memory_int_42| v_main_~x~0.base_34 (store (select |v_#memory_int_42| v_main_~x~0.base_34) (+ v_main_~x~0.offset_34 8) 0))), (= v_main_~x~0.base_34 (select (select (let ((.cse0 (store |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.base_3|)))) (store .cse0 |v_main_#t~malloc5.base_3| (store (select .cse0 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.base_35))) v_main_~x~0.base_35) v_main_~x~0.offset_35)), (= (store |v_#memory_int_41| |v_main_#t~malloc5.base_3| (let ((.cse0 (+ |v_main_#t~malloc5.offset_3| 4))) (store (select |v_#memory_int_41| |v_main_#t~malloc5.base_3|) .cse0 (select (select |v_#memory_int_42| |v_main_#t~malloc5.base_3|) .cse0)))) |v_#memory_int_42|), (<= |v_main_#t~nondet4_7| 2147483647), (> |v_main_#t~malloc5.base_3| 0), (> v_main_~x~0.base_34 0), (= (store |v_#length_16| |v_main_#t~malloc5.base_3| 12) |v_#length_15|), (= (select |v_#valid_24| |v_main_#t~malloc5.base_3|) 0), (> |v_main_#t~nondet4_7| 0), (= (select (select (let ((.cse0 (store |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.offset_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.offset_3|)))) (store .cse0 |v_main_#t~malloc5.base_3| (store (select .cse0 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.offset_35))) v_main_~x~0.base_35) v_main_~x~0.offset_35) v_main_~x~0.offset_34), (= |v_main_#t~malloc5.offset_3| 0), (= (let ((.cse0 (let ((.cse2 (store |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35 (store (select |v_#memory_$Pointer$.base_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 |v_main_#t~malloc5.base_3|)))) (store .cse2 |v_main_#t~malloc5.base_3| (store (select .cse2 |v_main_#t~malloc5.base_3|) (+ |v_main_#t~malloc5.offset_3| 4) v_main_~x~0.base_35))))) (store .cse0 v_main_~x~0.base_34 (let ((.cse1 (+ v_main_~x~0.offset_34 8))) (store (select .cse0 v_main_~x~0.base_34) .cse1 (select (select |v_#memory_$Pointer$.base_31| v_main_~x~0.base_34) .cse1))))) |v_#memory_$Pointer$.base_31|), (= (store |v_#memory_int_34| v_main_~x~0.base_35 (store (select |v_#memory_int_34| v_main_~x~0.base_35) v_main_~x~0.offset_35 (select (select |v_#memory_int_41| v_main_~x~0.base_35) v_main_~x~0.offset_35))) |v_#memory_int_41|)]: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:107) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...