/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-b7b32d2 [2021-02-22 02:00:47,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:00:47,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:00:47,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:00:47,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:00:47,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:00:47,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:00:47,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:00:47,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:00:47,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:00:47,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:00:47,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:00:47,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:00:47,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:00:47,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:00:47,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:00:47,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:00:47,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:00:47,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:00:47,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:00:47,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:00:47,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:00:47,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:00:47,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:00:47,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 02:00:47,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 02:00:47,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 02:00:47,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 02:00:47,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 02:00:47,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 02:00:47,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:00:47,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:00:47,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:00:47,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:00:47,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:00:47,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:00:47,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:00:47,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:00:47,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:00:47,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:00:47,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:00:47,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:00:47,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:00:47,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:00:47,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:00:47,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:00:47,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:00:47,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:00:47,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:00:47,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:00:47,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:00:47,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:00:47,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:00:47,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:00:47,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:00:47,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:00:47,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:00:47,846 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:00:47,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:00:47,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:00:47,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:00:47,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:00:47,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:00:47,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:00:47,848 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:00:47,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:00:48,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:00:48,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:00:48,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:00:48,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:00:48,314 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:00:48,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-token-2.i [2021-02-22 02:00:48,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f289879be/f393bdcade7f467d86a2dd38d0482866/FLAG874a0f197 [2021-02-22 02:00:49,120 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:00:49,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-token-2.i [2021-02-22 02:00:49,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f289879be/f393bdcade7f467d86a2dd38d0482866/FLAG874a0f197 [2021-02-22 02:00:49,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f289879be/f393bdcade7f467d86a2dd38d0482866 [2021-02-22 02:00:49,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:00:49,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:00:49,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:00:49,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:00:49,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:00:49,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:00:49" (1/1) ... [2021-02-22 02:00:49,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd6962a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:49, skipping insertion in model container [2021-02-22 02:00:49,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:00:49" (1/1) ... [2021-02-22 02:00:49,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:00:49,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:00:49,882 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] [2021-02-22 02:00:49,902 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] [2021-02-22 02:00:49,905 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] [2021-02-22 02:00:49,908 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] [2021-02-22 02:00:49,910 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] [2021-02-22 02:00:49,913 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] [2021-02-22 02:00:49,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:00:49,938 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:00:50,008 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] [2021-02-22 02:00:50,011 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] [2021-02-22 02:00:50,012 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] [2021-02-22 02:00:50,014 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] [2021-02-22 02:00:50,015 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] [2021-02-22 02:00:50,017 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] [2021-02-22 02:00:50,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:00:50,085 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:00:50,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:50 WrapperNode [2021-02-22 02:00:50,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:00:50,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:00:50,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:00:50,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:00:50,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:50" (1/1) ... [2021-02-22 02:00:50,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:50" (1/1) ... [2021-02-22 02:00:50,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:50" (1/1) ... [2021-02-22 02:00:50,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:50" (1/1) ... [2021-02-22 02:00:50,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:50" (1/1) ... [2021-02-22 02:00:50,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:50" (1/1) ... [2021-02-22 02:00:50,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:50" (1/1) ... [2021-02-22 02:00:50,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:00:50,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:00:50,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:00:50,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:00:50,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:50" (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 [2021-02-22 02:00:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:00:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:00:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:00:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:00:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-22 02:00:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-22 02:00:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-22 02:00:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-22 02:00:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-22 02:00:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-22 02:00:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-22 02:00:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-22 02:00:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-22 02:00:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-22 02:00:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-22 02:00:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-22 02:00:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-22 02:00:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-22 02:00:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-22 02:00:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-22 02:00:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-22 02:00:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-22 02:00:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-22 02:00:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-22 02:00:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-22 02:00:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-22 02:00:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-22 02:00:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-22 02:00:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-22 02:00:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-22 02:00:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-22 02:00:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-22 02:00:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-22 02:00:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-22 02:00:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-22 02:00:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-22 02:00:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-22 02:00:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-22 02:00:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-22 02:00:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-22 02:00:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-22 02:00:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-22 02:00:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-22 02:00:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-22 02:00:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-22 02:00:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-22 02:00:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-22 02:00:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-22 02:00:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-22 02:00:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-22 02:00:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-22 02:00:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-22 02:00:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-22 02:00:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-22 02:00:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 02:00:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 02:00:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 02:00:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 02:00:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-22 02:00:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-22 02:00:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 02:00:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-22 02:00:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-22 02:00:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:00:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-22 02:00:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-22 02:00:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-22 02:00:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:00:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-22 02:00:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-22 02:00:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-22 02:00:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-22 02:00:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-22 02:00:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-22 02:00:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-22 02:00:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-22 02:00:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-22 02:00:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-22 02:00:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-22 02:00:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-22 02:00:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-22 02:00:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-22 02:00:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-22 02:00:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-22 02:00:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-22 02:00:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-22 02:00:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-22 02:00:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-22 02:00:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-22 02:00:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-22 02:00:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-22 02:00:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-22 02:00:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-22 02:00:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-22 02:00:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-22 02:00:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-22 02:00:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-22 02:00:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-22 02:00:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-22 02:00:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-22 02:00:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-22 02:00:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-22 02:00:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-22 02:00:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-22 02:00:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-22 02:00:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-22 02:00:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-22 02:00:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:00:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:00:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:00:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:00:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:00:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:00:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:00:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 02:00:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 02:00:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:00:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 02:00:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:00:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:00:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:00:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:00:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:00:51,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:00:51,081 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-02-22 02:00:51,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:00:51 BoogieIcfgContainer [2021-02-22 02:00:51,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:00:51,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:00:51,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:00:51,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:00:51,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:00:49" (1/3) ... [2021-02-22 02:00:51,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579b6997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:00:51, skipping insertion in model container [2021-02-22 02:00:51,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:50" (2/3) ... [2021-02-22 02:00:51,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579b6997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:00:51, skipping insertion in model container [2021-02-22 02:00:51,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:00:51" (3/3) ... [2021-02-22 02:00:51,107 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-token-2.i [2021-02-22 02:00:51,118 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:00:51,133 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-02-22 02:00:51,158 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-02-22 02:00:51,202 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:00:51,203 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:00:51,204 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:00:51,204 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:00:51,205 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:00:51,205 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:00:51,205 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:00:51,205 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:00:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2021-02-22 02:00:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-22 02:00:51,252 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:51,253 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] [2021-02-22 02:00:51,254 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:51,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:51,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1971644664, now seen corresponding path program 1 times [2021-02-22 02:00:51,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:51,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448286148] [2021-02-22 02:00:51,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:51,380 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:00:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:51,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:51,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:51,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:51,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:51,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:00:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:51,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:51,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:00:51,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448286148] [2021-02-22 02:00:51,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:00:51,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 02:00:51,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544107291] [2021-02-22 02:00:51,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 02:00:51,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:00:51,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 02:00:51,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 02:00:51,773 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 3 states. [2021-02-22 02:00:52,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:00:52,063 INFO L93 Difference]: Finished difference Result 199 states and 245 transitions. [2021-02-22 02:00:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 02:00:52,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2021-02-22 02:00:52,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:00:52,076 INFO L225 Difference]: With dead ends: 199 [2021-02-22 02:00:52,076 INFO L226 Difference]: Without dead ends: 94 [2021-02-22 02:00:52,080 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 [2021-02-22 02:00:52,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-02-22 02:00:52,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-02-22 02:00:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-22 02:00:52,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2021-02-22 02:00:52,131 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 30 [2021-02-22 02:00:52,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:00:52,132 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2021-02-22 02:00:52,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 02:00:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2021-02-22 02:00:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-02-22 02:00:52,134 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:52,134 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] [2021-02-22 02:00:52,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:00:52,135 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:52,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:52,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1651111878, now seen corresponding path program 1 times [2021-02-22 02:00:52,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:52,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691694066] [2021-02-22 02:00:52,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:52,142 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:00:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:52,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:52,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:00:52,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:00:52,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:00:52,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-22 02:00:52,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 02:00:52,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 02:00:52,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:00:52,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:00:52,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:00:52,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:52,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:00:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:52,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:52,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:00:52,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691694066] [2021-02-22 02:00:52,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:00:52,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-22 02:00:52,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023948285] [2021-02-22 02:00:52,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-22 02:00:52,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:00:52,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-22 02:00:52,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-02-22 02:00:52,558 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand 12 states. [2021-02-22 02:00:53,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:00:53,256 INFO L93 Difference]: Finished difference Result 178 states and 183 transitions. [2021-02-22 02:00:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-22 02:00:53,257 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 31 [2021-02-22 02:00:53,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:00:53,260 INFO L225 Difference]: With dead ends: 178 [2021-02-22 02:00:53,260 INFO L226 Difference]: Without dead ends: 176 [2021-02-22 02:00:53,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2021-02-22 02:00:53,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-02-22 02:00:53,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 107. [2021-02-22 02:00:53,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-02-22 02:00:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 110 transitions. [2021-02-22 02:00:53,287 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 110 transitions. Word has length 31 [2021-02-22 02:00:53,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:00:53,288 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 110 transitions. [2021-02-22 02:00:53,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-22 02:00:53,288 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2021-02-22 02:00:53,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-22 02:00:53,289 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:53,290 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] [2021-02-22 02:00:53,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 02:00:53,290 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:53,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:53,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1446677332, now seen corresponding path program 1 times [2021-02-22 02:00:53,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:53,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189887508] [2021-02-22 02:00:53,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:53,297 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:00:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:53,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:53,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:00:53,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:00:53,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:00:53,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:53,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:00:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:53,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:00:53,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1189887508] [2021-02-22 02:00:53,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:00:53,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 02:00:53,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472287642] [2021-02-22 02:00:53,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 02:00:53,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:00:53,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 02:00:53,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-22 02:00:53,470 INFO L87 Difference]: Start difference. First operand 107 states and 110 transitions. Second operand 6 states. [2021-02-22 02:00:53,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:00:53,702 INFO L93 Difference]: Finished difference Result 164 states and 168 transitions. [2021-02-22 02:00:53,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-22 02:00:53,702 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-02-22 02:00:53,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:00:53,704 INFO L225 Difference]: With dead ends: 164 [2021-02-22 02:00:53,704 INFO L226 Difference]: Without dead ends: 162 [2021-02-22 02:00:53,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:00:53,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-02-22 02:00:53,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 105. [2021-02-22 02:00:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2021-02-22 02:00:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 108 transitions. [2021-02-22 02:00:53,726 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 108 transitions. Word has length 32 [2021-02-22 02:00:53,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:00:53,727 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 108 transitions. [2021-02-22 02:00:53,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 02:00:53,727 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 108 transitions. [2021-02-22 02:00:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-02-22 02:00:53,728 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:53,728 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] [2021-02-22 02:00:53,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 02:00:53,729 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:53,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:53,730 INFO L82 PathProgramCache]: Analyzing trace with hash -2072063760, now seen corresponding path program 1 times [2021-02-22 02:00:53,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:53,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510276795] [2021-02-22 02:00:53,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:53,735 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:00:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:53,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:53,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-22 02:00:53,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-22 02:00:53,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:00:53,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:53,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:00:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:53,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:53,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:00:53,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510276795] [2021-02-22 02:00:53,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:00:53,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 02:00:53,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916960260] [2021-02-22 02:00:53,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 02:00:53,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:00:53,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 02:00:53,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-22 02:00:53,824 INFO L87 Difference]: Start difference. First operand 105 states and 108 transitions. Second operand 6 states. [2021-02-22 02:00:54,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:00:54,031 INFO L93 Difference]: Finished difference Result 105 states and 108 transitions. [2021-02-22 02:00:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 02:00:54,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2021-02-22 02:00:54,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:00:54,033 INFO L225 Difference]: With dead ends: 105 [2021-02-22 02:00:54,033 INFO L226 Difference]: Without dead ends: 102 [2021-02-22 02:00:54,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:00:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-02-22 02:00:54,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2021-02-22 02:00:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-02-22 02:00:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 105 transitions. [2021-02-22 02:00:54,062 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 105 transitions. Word has length 39 [2021-02-22 02:00:54,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:00:54,063 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 105 transitions. [2021-02-22 02:00:54,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 02:00:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2021-02-22 02:00:54,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-02-22 02:00:54,065 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:54,066 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] [2021-02-22 02:00:54,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 02:00:54,066 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:54,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:54,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1984236912, now seen corresponding path program 1 times [2021-02-22 02:00:54,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:54,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585004282] [2021-02-22 02:00:54,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:54,076 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:00:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:54,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:54,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:54,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:54,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-22 02:00:54,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:54,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-22 02:00:54,218 WARN L141 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-02-22 02:00:54,219 WARN L147 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size 15 [2021-02-22 02:00:54,241 WARN L141 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size [2021-02-22 02:00:54,243 WARN L147 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size 29 [2021-02-22 02:00:54,278 WARN L141 QuantifierPusher]: treesize reduction 21, result has 57.1 percent of original size [2021-02-22 02:00:54,284 WARN L147 QuantifierPusher]: treesize reduction 21, result has 57.1 percent of original size 28 [2021-02-22 02:00:54,327 WARN L141 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-02-22 02:00:54,330 WARN L147 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size 32 [2021-02-22 02:00:54,362 WARN L141 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size [2021-02-22 02:00:54,364 WARN L147 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size 52 [2021-02-22 02:00:54,405 WARN L141 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-02-22 02:00:54,410 WARN L147 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size 32 [2021-02-22 02:00:54,412 WARN L141 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-02-22 02:00:54,413 WARN L147 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size 23 [2021-02-22 02:00:54,436 WARN L141 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-02-22 02:00:54,437 WARN L147 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size 13 [2021-02-22 02:00:54,453 WARN L141 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-02-22 02:00:54,454 WARN L147 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size 13 [2021-02-22 02:00:54,470 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-22 02:00:54,471 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-22 02:00:54,487 WARN L141 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-02-22 02:00:54,488 WARN L147 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size 1 [2021-02-22 02:00:54,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:54,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:54,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:00:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:54,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:54,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:54,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:00:54,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585004282] [2021-02-22 02:00:54,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:00:54,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-22 02:00:54,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779543983] [2021-02-22 02:00:54,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-22 02:00:54,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:00:54,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-22 02:00:54,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-02-22 02:00:54,540 INFO L87 Difference]: Start difference. First operand 102 states and 105 transitions. Second operand 14 states. [2021-02-22 02:00:55,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:00:55,489 INFO L93 Difference]: Finished difference Result 233 states and 239 transitions. [2021-02-22 02:00:55,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 02:00:55,490 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2021-02-22 02:00:55,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:00:55,492 INFO L225 Difference]: With dead ends: 233 [2021-02-22 02:00:55,492 INFO L226 Difference]: Without dead ends: 190 [2021-02-22 02:00:55,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=167, Invalid=433, Unknown=0, NotChecked=0, Total=600 [2021-02-22 02:00:55,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-02-22 02:00:55,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 117. [2021-02-22 02:00:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2021-02-22 02:00:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 120 transitions. [2021-02-22 02:00:55,519 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 120 transitions. Word has length 39 [2021-02-22 02:00:55,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:00:55,519 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 120 transitions. [2021-02-22 02:00:55,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-22 02:00:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 120 transitions. [2021-02-22 02:00:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-02-22 02:00:55,521 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:55,521 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] [2021-02-22 02:00:55,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 02:00:55,522 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:55,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:55,522 INFO L82 PathProgramCache]: Analyzing trace with hash 138822313, now seen corresponding path program 1 times [2021-02-22 02:00:55,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:55,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47917046] [2021-02-22 02:00:55,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:55,579 WARN L141 QuantifierPusher]: treesize reduction 5, result has 98.3 percent of original size [2021-02-22 02:00:55,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-02-22 02:00:55,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-02-22 02:00:55,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-02-22 02:00:55,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-02-22 02:00:55,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:00:55,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:00:55,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:00:55,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:00:55,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:00:55,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:00:55,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-02-22 02:00:55,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-02-22 02:00:55,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-02-22 02:00:55,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-02-22 02:00:55,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:00:55,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:00:55,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 472 [2021-02-22 02:00:55,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 473 [2021-02-22 02:00:55,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 487 [2021-02-22 02:00:55,670 WARN L147 QuantifierPusher]: treesize reduction 5, result has 98.3 percent of original size 292 [2021-02-22 02:00:55,693 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|]} [2021-02-22 02:00:55,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-02-22 02:00:55,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-22 02:00:55,816 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-02-22 02:00:55,823 INFO L628 ElimStorePlain]: treesize reduction 3, result has 99.0 percent of original size [2021-02-22 02:00:55,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-02-22 02:00:55,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,835 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-22 02:00:55,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 02:00:55,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,870 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-22 02:00:55,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 02:00:55,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,900 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-22 02:00:55,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:55,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 02:00:55,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-22 02:00:55,922 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. [2021-02-22 02:00:55,923 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:493, output treesize:46 [2021-02-22 02:00:55,927 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 02:00:55,931 INFO L168 Benchmark]: Toolchain (without parser) took 6511.07 ms. Allocated memory was 172.0 MB in the beginning and 213.9 MB in the end (delta: 41.9 MB). Free memory was 146.1 MB in the beginning and 88.9 MB in the end (delta: 57.2 MB). Peak memory consumption was 100.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:00:55,932 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 172.0 MB. Free memory is still 146.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:00:55,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.19 ms. Allocated memory is still 172.0 MB. Free memory was 145.1 MB in the beginning and 122.4 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:00:55,933 INFO L168 Benchmark]: Boogie Preprocessor took 73.13 ms. Allocated memory is still 172.0 MB. Free memory was 122.2 MB in the beginning and 119.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:00:55,933 INFO L168 Benchmark]: RCFGBuilder took 924.09 ms. Allocated memory is still 172.0 MB. Free memory was 119.5 MB in the beginning and 131.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:00:55,934 INFO L168 Benchmark]: TraceAbstraction took 4839.74 ms. Allocated memory was 172.0 MB in the beginning and 213.9 MB in the end (delta: 41.9 MB). Free memory was 131.1 MB in the beginning and 88.9 MB in the end (delta: 42.2 MB). Peak memory consumption was 84.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:00:55,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 172.0 MB. Free memory is still 146.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 652.19 ms. Allocated memory is still 172.0 MB. Free memory was 145.1 MB in the beginning and 122.4 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 73.13 ms. Allocated memory is still 172.0 MB. Free memory was 122.2 MB in the beginning and 119.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 924.09 ms. Allocated memory is still 172.0 MB. Free memory was 119.5 MB in the beginning and 131.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4839.74 ms. Allocated memory was 172.0 MB in the beginning and 213.9 MB in the end (delta: 41.9 MB). Free memory was 131.1 MB in the beginning and 88.9 MB in the end (delta: 42.2 MB). Peak memory consumption was 84.1 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...