/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/xcsp/AllInterval-011.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 11:43:13,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 11:43:13,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 11:43:13,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 11:43:13,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 11:43:13,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 11:43:13,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 11:43:13,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 11:43:13,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 11:43:13,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 11:43:13,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 11:43:13,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 11:43:13,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 11:43:13,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 11:43:13,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 11:43:13,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 11:43:13,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 11:43:13,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 11:43:13,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 11:43:13,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 11:43:13,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 11:43:13,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 11:43:13,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 11:43:13,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 11:43:13,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 11:43:13,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 11:43:13,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 11:43:13,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 11:43:13,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 11:43:13,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 11:43:13,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 11:43:13,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 11:43:13,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 11:43:13,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 11:43:13,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 11:43:13,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 11:43:13,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 11:43:13,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 11:43:13,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 11:43:13,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 11:43:13,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 11:43:13,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 11:43:13,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 11:43:13,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 11:43:13,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 11:43:13,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 11:43:13,526 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 11:43:13,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 11:43:13,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 11:43:13,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 11:43:13,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 11:43:13,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 11:43:13,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 11:43:13,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 11:43:13,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 11:43:13,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 11:43:13,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 11:43:13,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 11:43:13,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 11:43:13,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 11:43:13,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 11:43:13,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 11:43:13,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 11:43:13,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 11:43:13,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 11:43:13,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 11:43:13,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 11:43:13,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 11:43:13,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 11:43:13,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 11:43:13,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 11:43:13,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 11:43:13,928 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 11:43:13,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-011.c [2020-12-23 11:43:13,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d577aebc9/63ede8a7deb841e8873af5fd8deb4928/FLAGbebb38e54 [2020-12-23 11:43:14,660 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 11:43:14,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-011.c [2020-12-23 11:43:14,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d577aebc9/63ede8a7deb841e8873af5fd8deb4928/FLAGbebb38e54 [2020-12-23 11:43:14,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d577aebc9/63ede8a7deb841e8873af5fd8deb4928 [2020-12-23 11:43:14,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 11:43:14,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 11:43:14,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 11:43:14,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 11:43:14,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 11:43:14,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:43:14" (1/1) ... [2020-12-23 11:43:14,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558823a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:14, skipping insertion in model container [2020-12-23 11:43:14,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:43:14" (1/1) ... [2020-12-23 11:43:14,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 11:43:15,021 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~var0~0,] left hand side expression in assignment: lhs: VariableLHS[~var1~0,] left hand side expression in assignment: lhs: VariableLHS[~var2~0,] left hand side expression in assignment: lhs: VariableLHS[~var3~0,] left hand side expression in assignment: lhs: VariableLHS[~var4~0,] left hand side expression in assignment: lhs: VariableLHS[~var5~0,] left hand side expression in assignment: lhs: VariableLHS[~var6~0,] left hand side expression in assignment: lhs: VariableLHS[~var7~0,] left hand side expression in assignment: lhs: VariableLHS[~var8~0,] left hand side expression in assignment: lhs: VariableLHS[~var9~0,] left hand side expression in assignment: lhs: VariableLHS[~var10~0,] left hand side expression in assignment: lhs: VariableLHS[~var11~0,] left hand side expression in assignment: lhs: VariableLHS[~var12~0,] left hand side expression in assignment: lhs: VariableLHS[~var13~0,] left hand side expression in assignment: lhs: VariableLHS[~var14~0,] left hand side expression in assignment: lhs: VariableLHS[~var15~0,] left hand side expression in assignment: lhs: VariableLHS[~var16~0,] left hand side expression in assignment: lhs: VariableLHS[~var17~0,] left hand side expression in assignment: lhs: VariableLHS[~var18~0,] left hand side expression in assignment: lhs: VariableLHS[~var19~0,] left hand side expression in assignment: lhs: VariableLHS[~var20~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] [2020-12-23 11:43:15,331 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-011.c[6600,6613] [2020-12-23 11:43:15,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:43:15,364 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~var0~0,] left hand side expression in assignment: lhs: VariableLHS[~var1~0,] left hand side expression in assignment: lhs: VariableLHS[~var2~0,] left hand side expression in assignment: lhs: VariableLHS[~var3~0,] left hand side expression in assignment: lhs: VariableLHS[~var4~0,] left hand side expression in assignment: lhs: VariableLHS[~var5~0,] left hand side expression in assignment: lhs: VariableLHS[~var6~0,] left hand side expression in assignment: lhs: VariableLHS[~var7~0,] left hand side expression in assignment: lhs: VariableLHS[~var8~0,] left hand side expression in assignment: lhs: VariableLHS[~var9~0,] left hand side expression in assignment: lhs: VariableLHS[~var10~0,] left hand side expression in assignment: lhs: VariableLHS[~var11~0,] left hand side expression in assignment: lhs: VariableLHS[~var12~0,] left hand side expression in assignment: lhs: VariableLHS[~var13~0,] left hand side expression in assignment: lhs: VariableLHS[~var14~0,] left hand side expression in assignment: lhs: VariableLHS[~var15~0,] left hand side expression in assignment: lhs: VariableLHS[~var16~0,] left hand side expression in assignment: lhs: VariableLHS[~var17~0,] left hand side expression in assignment: lhs: VariableLHS[~var18~0,] left hand side expression in assignment: lhs: VariableLHS[~var19~0,] left hand side expression in assignment: lhs: VariableLHS[~var20~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] [2020-12-23 11:43:15,453 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-011.c[6600,6613] [2020-12-23 11:43:15,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 11:43:15,482 INFO L208 MainTranslator]: Completed translation [2020-12-23 11:43:15,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15 WrapperNode [2020-12-23 11:43:15,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 11:43:15,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 11:43:15,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 11:43:15,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 11:43:15,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (1/1) ... [2020-12-23 11:43:15,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (1/1) ... [2020-12-23 11:43:15,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 11:43:15,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 11:43:15,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 11:43:15,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 11:43:15,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (1/1) ... [2020-12-23 11:43:15,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (1/1) ... [2020-12-23 11:43:15,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (1/1) ... [2020-12-23 11:43:15,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (1/1) ... [2020-12-23 11:43:15,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (1/1) ... [2020-12-23 11:43:15,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (1/1) ... [2020-12-23 11:43:15,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (1/1) ... [2020-12-23 11:43:15,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 11:43:15,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 11:43:15,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 11:43:15,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 11:43:15,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 11:43:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 11:43:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 11:43:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 11:43:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 11:43:16,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 11:43:16,862 INFO L299 CfgBuilder]: Removed 308 assume(true) statements. [2020-12-23 11:43:16,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:43:16 BoogieIcfgContainer [2020-12-23 11:43:16,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 11:43:16,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 11:43:16,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 11:43:16,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 11:43:16,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 11:43:14" (1/3) ... [2020-12-23 11:43:16,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50190fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:43:16, skipping insertion in model container [2020-12-23 11:43:16,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:43:15" (2/3) ... [2020-12-23 11:43:16,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50190fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:43:16, skipping insertion in model container [2020-12-23 11:43:16,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:43:16" (3/3) ... [2020-12-23 11:43:16,873 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-011.c [2020-12-23 11:43:16,879 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 11:43:16,884 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 11:43:16,901 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 11:43:16,929 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 11:43:16,929 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 11:43:16,929 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 11:43:16,929 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 11:43:16,929 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 11:43:16,930 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 11:43:16,930 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 11:43:16,930 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 11:43:16,954 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states. [2020-12-23 11:43:16,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-12-23 11:43:16,975 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:43:16,976 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:43:16,976 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:43:16,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:43:16,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1418114621, now seen corresponding path program 1 times [2020-12-23 11:43:16,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:43:16,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866336578] [2020-12-23 11:43:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:43:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:43:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 11:43:17,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866336578] [2020-12-23 11:43:17,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 11:43:17,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 11:43:17,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073042604] [2020-12-23 11:43:17,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 11:43:17,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 11:43:17,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 11:43:17,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 11:43:17,500 INFO L87 Difference]: Start difference. First operand 330 states. Second operand 2 states. [2020-12-23 11:43:17,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 11:43:17,544 INFO L93 Difference]: Finished difference Result 654 states and 976 transitions. [2020-12-23 11:43:17,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 11:43:17,545 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 326 [2020-12-23 11:43:17,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 11:43:17,559 INFO L225 Difference]: With dead ends: 654 [2020-12-23 11:43:17,559 INFO L226 Difference]: Without dead ends: 327 [2020-12-23 11:43:17,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 11:43:17,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-12-23 11:43:17,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2020-12-23 11:43:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-12-23 11:43:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 336 transitions. [2020-12-23 11:43:17,632 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 336 transitions. Word has length 326 [2020-12-23 11:43:17,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 11:43:17,633 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 336 transitions. [2020-12-23 11:43:17,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 11:43:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 336 transitions. [2020-12-23 11:43:17,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-12-23 11:43:17,639 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 11:43:17,640 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 11:43:17,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 11:43:17,640 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 11:43:17,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 11:43:17,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1255314681, now seen corresponding path program 1 times [2020-12-23 11:43:17,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 11:43:17,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096167018] [2020-12-23 11:43:17,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 11:43:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 11:43:37,222 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2020-12-23 11:43:37,528 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2020-12-23 11:43:38,095 WARN L197 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 86 [2020-12-23 11:43:38,602 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 82 [2020-12-23 11:43:39,272 WARN L197 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 107 [2020-12-23 11:43:39,968 WARN L197 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 103 [2020-12-23 11:43:41,021 WARN L197 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 136 [2020-12-23 11:43:42,053 WARN L197 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 132 [2020-12-23 11:43:44,342 WARN L197 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 307 DAG size of output: 242 [2020-12-23 11:43:46,534 WARN L197 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 303 DAG size of output: 238 [2020-12-23 11:43:48,840 WARN L197 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 316 DAG size of output: 245 [2020-12-23 11:43:52,924 WARN L197 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 414 DAG size of output: 370 [2020-12-23 11:43:56,958 WARN L197 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 410 DAG size of output: 366 [2020-12-23 11:44:02,211 WARN L197 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 487 DAG size of output: 414 [2020-12-23 11:44:08,656 WARN L197 SmtUtils]: Spent 6.08 s on a formula simplification. DAG size of input: 553 DAG size of output: 506 [2020-12-23 11:44:15,290 WARN L197 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 549 DAG size of output: 502 [2020-12-23 11:44:24,404 WARN L197 SmtUtils]: Spent 8.62 s on a formula simplification. DAG size of input: 639 DAG size of output: 604 [2020-12-23 11:44:33,585 WARN L197 SmtUtils]: Spent 8.66 s on a formula simplification. DAG size of input: 635 DAG size of output: 600 [2020-12-23 11:44:42,823 WARN L197 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 641 DAG size of output: 606 [2020-12-23 11:44:52,144 WARN L197 SmtUtils]: Spent 8.64 s on a formula simplification. DAG size of input: 637 DAG size of output: 602 [2020-12-23 11:45:01,710 WARN L197 SmtUtils]: Spent 9.00 s on a formula simplification. DAG size of input: 643 DAG size of output: 608 [2020-12-23 11:45:11,768 WARN L197 SmtUtils]: Spent 9.36 s on a formula simplification. DAG size of input: 639 DAG size of output: 604 [2020-12-23 11:45:21,701 WARN L197 SmtUtils]: Spent 9.28 s on a formula simplification. DAG size of input: 648 DAG size of output: 611 [2020-12-23 11:45:31,779 WARN L197 SmtUtils]: Spent 9.34 s on a formula simplification. DAG size of input: 644 DAG size of output: 607 [2020-12-23 11:45:41,989 WARN L197 SmtUtils]: Spent 9.55 s on a formula simplification. DAG size of input: 650 DAG size of output: 613 [2020-12-23 11:45:52,610 WARN L197 SmtUtils]: Spent 9.79 s on a formula simplification. DAG size of input: 646 DAG size of output: 609 [2020-12-23 11:46:00,235 WARN L197 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 662 DAG size of output: 625 [2020-12-23 11:46:07,993 WARN L197 SmtUtils]: Spent 6.80 s on a formula simplification. DAG size of input: 658 DAG size of output: 621 [2020-12-23 11:46:19,456 WARN L197 SmtUtils]: Spent 10.59 s on a formula simplification. DAG size of input: 693 DAG size of output: 652 [2020-12-23 11:46:31,359 WARN L197 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 689 DAG size of output: 648 [2020-12-23 11:46:44,033 WARN L197 SmtUtils]: Spent 11.81 s on a formula simplification. DAG size of input: 726 DAG size of output: 692 [2020-12-23 11:46:57,427 WARN L197 SmtUtils]: Spent 12.02 s on a formula simplification. DAG size of input: 722 DAG size of output: 688 [2020-12-23 11:47:10,833 WARN L197 SmtUtils]: Spent 12.51 s on a formula simplification. DAG size of input: 727 DAG size of output: 692