/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/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:11:57,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:11:57,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:11:57,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:11:57,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:11:57,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:11:57,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:11:57,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:11:57,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:11:57,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:11:57,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:11:57,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:11:57,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:11:57,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:11:57,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:11:57,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:11:57,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:11:57,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:11:57,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:11:57,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:11:57,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:11:57,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:11:57,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:11:57,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:11:57,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 16:11:57,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 16:11:57,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 16:11:57,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 16:11:57,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 16:11:57,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 16:11:57,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:11:57,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:11:57,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:11:57,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:11:57,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:11:57,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:11:57,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:11:57,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:11:57,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:11:57,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:11:57,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:11:57,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 16:11:57,961 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:11:57,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:11:57,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:11:57,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:11:57,966 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:11:57,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:11:57,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:11:57,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:11:57,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:11:57,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:11:57,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:11:57,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:11:57,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:11:57,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:11:57,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:11:57,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:11:57,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:11:57,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:11:57,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:11:57,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:11:57,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:11:57,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:11:57,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:11:57,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:11:57,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:11:57,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:11:58,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:11:58,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:11:58,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:11:58,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:11:58,387 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:11:58,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2021-01-06 16:11:58,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6986e01d5/a562b58419f649999076dbe7a36ad379/FLAGca5dcb975 [2021-01-06 16:11:59,212 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:11:59,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2021-01-06 16:11:59,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6986e01d5/a562b58419f649999076dbe7a36ad379/FLAGca5dcb975 [2021-01-06 16:11:59,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6986e01d5/a562b58419f649999076dbe7a36ad379 [2021-01-06 16:11:59,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:11:59,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:11:59,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:11:59,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:11:59,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:11:59,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b5eaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59, skipping insertion in model container [2021-01-06 16:11:59,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:11:59,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 16:11:59,718 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/ldv-regression/rule57_ebda_blast.c_1.i[303,316] left hand side expression in assignment: lhs: VariableLHS[~freed_tmp_slot~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~hp_slot_ptr~0,] left hand side expression in assignment: lhs: VariableLHS[~rc~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~hp_slot_ptr~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~hp_slot_ptr~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp_slot~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~rc~0,] left hand side expression in assignment: lhs: VariableLHS[~used_tmp_slot~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~freed_tmp_slot~0,GLOBAL] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],base],StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~bus_info_ptr1~0,] left hand side expression in assignment: lhs: VariableLHS[~rc~0,] left hand side expression in assignment: lhs: VariableLHS[~freed_tmp_slot~0,GLOBAL] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~bus_info_ptr1~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~hp_slot_ptr~0,],base],StructAccessExpression[IdentifierExpression[~hp_slot_ptr~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~used_tmp_slot~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~rc~0,] left hand side expression in assignment: lhs: VariableLHS[~rc~0,] [2021-01-06 16:11:59,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:11:59,773 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 16:11:59,793 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/ldv-regression/rule57_ebda_blast.c_1.i[303,316] left hand side expression in assignment: lhs: VariableLHS[~freed_tmp_slot~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~hp_slot_ptr~0,] left hand side expression in assignment: lhs: VariableLHS[~rc~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~hp_slot_ptr~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~hp_slot_ptr~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp_slot~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~rc~0,] left hand side expression in assignment: lhs: VariableLHS[~used_tmp_slot~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~freed_tmp_slot~0,GLOBAL] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],base],StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~bus_info_ptr1~0,] left hand side expression in assignment: lhs: VariableLHS[~rc~0,] left hand side expression in assignment: lhs: VariableLHS[~freed_tmp_slot~0,GLOBAL] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],base],BinaryExpression[ARITHPLUS,IntegerLiteral[16],StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~bus_info_ptr1~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],base],BinaryExpression[ARITHPLUS,IntegerLiteral[8],StructAccessExpression[IdentifierExpression[~tmp_slot~0,GLOBAL],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~hp_slot_ptr~0,],base],StructAccessExpression[IdentifierExpression[~hp_slot_ptr~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~used_tmp_slot~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~rc~0,] left hand side expression in assignment: lhs: VariableLHS[~rc~0,] [2021-01-06 16:11:59,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:11:59,856 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:11:59,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59 WrapperNode [2021-01-06 16:11:59,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:11:59,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:11:59,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:11:59,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:11:59,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:11:59,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:11:59,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:11:59,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:11:59,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (1/1) ... [2021-01-06 16:11:59,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:11:59,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:11:59,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:11:59,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:11:59,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (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 [2021-01-06 16:12:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-06 16:12:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:12:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-06 16:12:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:12:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 16:12:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-06 16:12:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:12:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:12:00,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:12:00,580 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-01-06 16:12:00,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:12:00 BoogieIcfgContainer [2021-01-06 16:12:00,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:12:00,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:12:00,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:12:00,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:12:00,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:11:59" (1/3) ... [2021-01-06 16:12:00,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f10a214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:12:00, skipping insertion in model container [2021-01-06 16:12:00,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:11:59" (2/3) ... [2021-01-06 16:12:00,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f10a214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:12:00, skipping insertion in model container [2021-01-06 16:12:00,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:12:00" (3/3) ... [2021-01-06 16:12:00,598 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2021-01-06 16:12:00,605 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:12:00,613 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 16:12:00,635 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 16:12:00,680 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:12:00,680 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:12:00,681 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:12:00,681 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:12:00,681 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:12:00,681 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:12:00,681 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:12:00,681 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:12:00,698 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2021-01-06 16:12:00,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-01-06 16:12:00,707 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:12:00,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:12:00,709 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:12:00,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:12:00,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1387683168, now seen corresponding path program 1 times [2021-01-06 16:12:00,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:12:00,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479575979] [2021-01-06 16:12:00,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:12:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:12:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:12:01,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479575979] [2021-01-06 16:12:01,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:12:01,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 16:12:01,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744748438] [2021-01-06 16:12:01,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 16:12:01,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:12:01,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 16:12:01,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 16:12:01,062 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 5 states. [2021-01-06 16:12:01,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:12:01,175 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-01-06 16:12:01,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 16:12:01,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2021-01-06 16:12:01,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:12:01,186 INFO L225 Difference]: With dead ends: 39 [2021-01-06 16:12:01,186 INFO L226 Difference]: Without dead ends: 27 [2021-01-06 16:12:01,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 16:12:01,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-01-06 16:12:01,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-01-06 16:12:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-01-06 16:12:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-01-06 16:12:01,227 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 10 [2021-01-06 16:12:01,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:12:01,227 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-01-06 16:12:01,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 16:12:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-01-06 16:12:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 16:12:01,229 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:12:01,229 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:12:01,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:12:01,229 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:12:01,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:12:01,230 INFO L82 PathProgramCache]: Analyzing trace with hash -541613126, now seen corresponding path program 1 times [2021-01-06 16:12:01,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:12:01,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844107326] [2021-01-06 16:12:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:12:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:12:01,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:12:01,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844107326] [2021-01-06 16:12:01,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:12:01,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 16:12:01,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417530195] [2021-01-06 16:12:01,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 16:12:01,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:12:01,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 16:12:01,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 16:12:01,341 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 5 states. [2021-01-06 16:12:01,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:12:01,421 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-01-06 16:12:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 16:12:01,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-01-06 16:12:01,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:12:01,423 INFO L225 Difference]: With dead ends: 33 [2021-01-06 16:12:01,423 INFO L226 Difference]: Without dead ends: 27 [2021-01-06 16:12:01,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 16:12:01,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-01-06 16:12:01,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-01-06 16:12:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-01-06 16:12:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-01-06 16:12:01,432 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 13 [2021-01-06 16:12:01,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:12:01,432 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-01-06 16:12:01,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 16:12:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-01-06 16:12:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-01-06 16:12:01,433 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:12:01,434 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] [2021-01-06 16:12:01,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 16:12:01,434 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:12:01,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:12:01,435 INFO L82 PathProgramCache]: Analyzing trace with hash 150876809, now seen corresponding path program 1 times [2021-01-06 16:12:01,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:12:01,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471602192] [2021-01-06 16:12:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:12:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:12:01,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:12:01,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471602192] [2021-01-06 16:12:01,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:12:01,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 16:12:01,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278313325] [2021-01-06 16:12:01,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 16:12:01,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:12:01,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 16:12:01,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 16:12:01,578 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 3 states. [2021-01-06 16:12:01,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:12:01,594 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2021-01-06 16:12:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 16:12:01,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-01-06 16:12:01,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:12:01,596 INFO L225 Difference]: With dead ends: 36 [2021-01-06 16:12:01,596 INFO L226 Difference]: Without dead ends: 23 [2021-01-06 16:12:01,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 16:12:01,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-01-06 16:12:01,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-01-06 16:12:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-01-06 16:12:01,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2021-01-06 16:12:01,603 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2021-01-06 16:12:01,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:12:01,603 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2021-01-06 16:12:01,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 16:12:01,603 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-01-06 16:12:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 16:12:01,604 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:12:01,604 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] [2021-01-06 16:12:01,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 16:12:01,605 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:12:01,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:12:01,606 INFO L82 PathProgramCache]: Analyzing trace with hash -2046307905, now seen corresponding path program 1 times [2021-01-06 16:12:01,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:12:01,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383066511] [2021-01-06 16:12:01,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:12:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:12:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:12:01,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383066511] [2021-01-06 16:12:01,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:12:01,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 16:12:01,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514328094] [2021-01-06 16:12:01,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 16:12:01,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:12:01,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 16:12:01,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 16:12:01,676 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 6 states. [2021-01-06 16:12:01,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:12:01,758 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-01-06 16:12:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 16:12:01,758 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-01-06 16:12:01,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:12:01,760 INFO L225 Difference]: With dead ends: 23 [2021-01-06 16:12:01,760 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 16:12:01,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 16:12:01,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 16:12:01,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 16:12:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 16:12:01,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 16:12:01,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-01-06 16:12:01,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:12:01,764 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 16:12:01,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 16:12:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 16:12:01,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 16:12:01,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 16:12:01,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 16:12:01,900 INFO L185 CegarLoopUtils]: At program point L64(lines 62 65) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-01-06 16:12:01,900 INFO L185 CegarLoopUtils]: At program point L122(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-01-06 16:12:01,901 INFO L185 CegarLoopUtils]: At program point L48(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-01-06 16:12:01,901 INFO L185 CegarLoopUtils]: At program point L48-1(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-01-06 16:12:01,901 INFO L185 CegarLoopUtils]: At program point L48-2(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-01-06 16:12:01,901 INFO L189 CegarLoopUtils]: For program point L135(lines 135 139) no Hoare annotation was computed. [2021-01-06 16:12:01,902 INFO L185 CegarLoopUtils]: At program point L69(lines 67 70) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-01-06 16:12:01,902 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 16:12:01,902 INFO L189 CegarLoopUtils]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-01-06 16:12:01,902 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 16:12:01,902 INFO L189 CegarLoopUtils]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-01-06 16:12:01,902 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 16:12:01,902 INFO L189 CegarLoopUtils]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-01-06 16:12:01,903 INFO L185 CegarLoopUtils]: At program point L57(lines 56 58) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-01-06 16:12:01,903 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-01-06 16:12:01,903 INFO L189 CegarLoopUtils]: For program point L8(line 8) no Hoare annotation was computed. [2021-01-06 16:12:01,903 INFO L185 CegarLoopUtils]: At program point L132(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-01-06 16:12:01,904 INFO L189 CegarLoopUtils]: For program point L99(lines 99 107) no Hoare annotation was computed. [2021-01-06 16:12:01,904 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 16:12:01,904 INFO L185 CegarLoopUtils]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2021-01-06 16:12:01,904 INFO L189 CegarLoopUtils]: For program point L87(lines 87 90) no Hoare annotation was computed. [2021-01-06 16:12:01,905 INFO L189 CegarLoopUtils]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-01-06 16:12:01,905 INFO L189 CegarLoopUtils]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2021-01-06 16:12:01,905 INFO L189 CegarLoopUtils]: For program point L79(lines 79 82) no Hoare annotation was computed. [2021-01-06 16:12:01,905 INFO L189 CegarLoopUtils]: For program point L137(lines 137 138) no Hoare annotation was computed. [2021-01-06 16:12:01,905 INFO L189 CegarLoopUtils]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-01-06 16:12:01,905 INFO L189 CegarLoopUtils]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-01-06 16:12:01,906 INFO L189 CegarLoopUtils]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-01-06 16:12:01,906 INFO L189 CegarLoopUtils]: For program point L51-2(lines 51 52) no Hoare annotation was computed. [2021-01-06 16:12:01,906 INFO L189 CegarLoopUtils]: For program point L138(line 138) no Hoare annotation was computed. [2021-01-06 16:12:01,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:12:01 BoogieIcfgContainer [2021-01-06 16:12:01,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:12:01,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:12:01,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:12:01,932 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:12:01,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:12:00" (3/4) ... [2021-01-06 16:12:01,936 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 16:12:01,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-01-06 16:12:01,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-01-06 16:12:01,950 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 16:12:01,950 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 16:12:01,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\result == 0) && !(calloc(1, size) == 0) [2021-01-06 16:12:01,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2021-01-06 16:12:01,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2021-01-06 16:12:01,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\result == 0) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2021-01-06 16:12:01,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2021-01-06 16:12:01,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2021-01-06 16:12:01,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2021-01-06 16:12:01,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2021-01-06 16:12:01,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2021-01-06 16:12:02,026 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/rule57_ebda_blast.c_1.i-witness.graphml [2021-01-06 16:12:02,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:12:02,029 INFO L168 Benchmark]: Toolchain (without parser) took 2487.84 ms. Allocated memory was 160.4 MB in the beginning and 219.2 MB in the end (delta: 58.7 MB). Free memory was 134.9 MB in the beginning and 191.5 MB in the end (delta: -56.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:02,029 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 160.4 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:12:02,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.20 ms. Allocated memory is still 160.4 MB. Free memory was 134.7 MB in the beginning and 124.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:02,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.73 ms. Allocated memory is still 160.4 MB. Free memory was 123.9 MB in the beginning and 122.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:02,036 INFO L168 Benchmark]: Boogie Preprocessor took 31.41 ms. Allocated memory is still 160.4 MB. Free memory was 122.0 MB in the beginning and 120.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:02,036 INFO L168 Benchmark]: RCFGBuilder took 650.50 ms. Allocated memory is still 160.4 MB. Free memory was 120.5 MB in the beginning and 130.8 MB in the end (delta: -10.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:02,038 INFO L168 Benchmark]: TraceAbstraction took 1342.71 ms. Allocated memory was 160.4 MB in the beginning and 219.2 MB in the end (delta: 58.7 MB). Free memory was 130.3 MB in the beginning and 196.1 MB in the end (delta: -65.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:02,040 INFO L168 Benchmark]: Witness Printer took 94.53 ms. Allocated memory is still 219.2 MB. Free memory was 195.6 MB in the beginning and 191.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 16:12:02,044 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 160.4 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 316.20 ms. Allocated memory is still 160.4 MB. Free memory was 134.7 MB in the beginning and 124.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 42.73 ms. Allocated memory is still 160.4 MB. Free memory was 123.9 MB in the beginning and 122.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.41 ms. Allocated memory is still 160.4 MB. Free memory was 122.0 MB in the beginning and 120.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 650.50 ms. Allocated memory is still 160.4 MB. Free memory was 120.5 MB in the beginning and 130.8 MB in the end (delta: -10.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1342.71 ms. Allocated memory was 160.4 MB in the beginning and 219.2 MB in the end (delta: 58.7 MB). Free memory was 130.3 MB in the beginning and 196.1 MB in the end (delta: -65.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 8.0 GB. * Witness Printer took 94.53 ms. Allocated memory is still 219.2 MB. Free memory was 195.6 MB in the beginning and 191.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (!(\result == 0) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: !(\result == 0) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 79 SDtfs, 185 SDslu, 36 SDs, 0 SdLazy, 61 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 160 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 1696 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...