java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 12:57:41,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 12:57:41,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 12:57:41,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 12:57:41,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 12:57:41,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 12:57:41,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 12:57:41,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 12:57:41,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 12:57:41,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 12:57:41,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 12:57:41,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 12:57:41,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 12:57:41,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 12:57:41,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 12:57:41,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 12:57:41,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 12:57:41,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 12:57:41,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 12:57:41,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 12:57:41,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 12:57:41,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 12:57:41,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 12:57:41,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 12:57:41,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 12:57:41,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 12:57:41,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 12:57:41,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 12:57:41,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 12:57:41,745 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 12:57:41,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 12:57:41,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 12:57:41,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 12:57:41,747 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 12:57:41,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 12:57:41,748 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 12:57:41,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 12:57:41,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 12:57:41,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 12:57:41,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 12:57:41,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 12:57:41,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 12:57:41,749 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 12:57:41,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 12:57:41,750 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 12:57:41,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 12:57:41,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 12:57:41,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 12:57:41,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 12:57:41,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 12:57:41,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 12:57:41,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 12:57:41,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 12:57:41,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 12:57:41,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 12:57:41,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 12:57:41,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 12:57:41,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 12:57:41,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 12:57:41,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 12:57:41,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 12:57:41,802 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 12:57:41,802 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 12:57:41,803 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-09-20 12:57:41,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecfaf936e/75a1c71bea2f482e86218cb42475ad0c/FLAGeeb95a22c [2019-09-20 12:57:42,321 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 12:57:42,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-09-20 12:57:42,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecfaf936e/75a1c71bea2f482e86218cb42475ad0c/FLAGeeb95a22c [2019-09-20 12:57:42,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecfaf936e/75a1c71bea2f482e86218cb42475ad0c [2019-09-20 12:57:42,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 12:57:42,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 12:57:42,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 12:57:42,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 12:57:42,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 12:57:42,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5466f872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42, skipping insertion in model container [2019-09-20 12:57:42,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 12:57:42,744 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 12:57:42,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:57:42,971 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 12:57:43,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:57:43,122 INFO L192 MainTranslator]: Completed translation [2019-09-20 12:57:43,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:43 WrapperNode [2019-09-20 12:57:43,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 12:57:43,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 12:57:43,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 12:57:43,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 12:57:43,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:43" (1/1) ... [2019-09-20 12:57:43,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:43" (1/1) ... [2019-09-20 12:57:43,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:43" (1/1) ... [2019-09-20 12:57:43,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:43" (1/1) ... [2019-09-20 12:57:43,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:43" (1/1) ... [2019-09-20 12:57:43,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:43" (1/1) ... [2019-09-20 12:57:43,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:43" (1/1) ... [2019-09-20 12:57:43,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 12:57:43,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 12:57:43,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 12:57:43,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 12:57:43,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 12:57:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 12:57:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 12:57:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 12:57:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2019-09-20 12:57:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2019-09-20 12:57:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 12:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 12:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 12:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 12:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-09-20 12:57:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-09-20 12:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-09-20 12:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-09-20 12:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2019-09-20 12:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-20 12:57:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-20 12:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-09-20 12:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-20 12:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2019-09-20 12:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 12:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2019-09-20 12:57:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2019-09-20 12:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-20 12:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2019-09-20 12:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2019-09-20 12:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2019-09-20 12:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2019-09-20 12:57:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2019-09-20 12:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2019-09-20 12:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2019-09-20 12:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2019-09-20 12:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2019-09-20 12:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2019-09-20 12:57:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2019-09-20 12:57:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2019-09-20 12:57:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 12:57:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 12:57:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 12:57:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 12:57:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 12:57:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 12:57:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 12:57:43,698 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 12:57:43,699 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 12:57:43,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:57:43 BoogieIcfgContainer [2019-09-20 12:57:43,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 12:57:43,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 12:57:43,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 12:57:43,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 12:57:43,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 12:57:42" (1/3) ... [2019-09-20 12:57:43,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48103d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:57:43, skipping insertion in model container [2019-09-20 12:57:43,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:43" (2/3) ... [2019-09-20 12:57:43,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48103d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:57:43, skipping insertion in model container [2019-09-20 12:57:43,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:57:43" (3/3) ... [2019-09-20 12:57:43,710 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-09-20 12:57:43,719 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 12:57:43,726 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 12:57:43,743 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 12:57:43,775 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 12:57:43,775 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 12:57:43,776 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 12:57:43,776 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 12:57:43,776 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 12:57:43,776 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 12:57:43,776 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 12:57:43,776 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 12:57:43,777 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 12:57:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-09-20 12:57:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-09-20 12:57:43,804 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:57:43,805 INFO L407 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] [2019-09-20 12:57:43,807 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:57:43,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:57:43,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1663477819, now seen corresponding path program 1 times [2019-09-20 12:57:43,815 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:57:43,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:57:43,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:43,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:43,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:57:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:57:44,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:57:44,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:57:44,029 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:57:44,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:57:44,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:57:44,043 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 3 states. [2019-09-20 12:57:44,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:57:44,100 INFO L93 Difference]: Finished difference Result 104 states and 142 transitions. [2019-09-20 12:57:44,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:57:44,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-09-20 12:57:44,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:57:44,111 INFO L225 Difference]: With dead ends: 104 [2019-09-20 12:57:44,111 INFO L226 Difference]: Without dead ends: 49 [2019-09-20 12:57:44,115 INFO L636 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 [2019-09-20 12:57:44,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-09-20 12:57:44,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2019-09-20 12:57:44,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-09-20 12:57:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2019-09-20 12:57:44,153 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 32 [2019-09-20 12:57:44,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:57:44,153 INFO L475 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2019-09-20 12:57:44,153 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 12:57:44,154 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2019-09-20 12:57:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-20 12:57:44,155 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:57:44,156 INFO L407 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] [2019-09-20 12:57:44,158 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:57:44,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:57:44,159 INFO L82 PathProgramCache]: Analyzing trace with hash 227833136, now seen corresponding path program 1 times [2019-09-20 12:57:44,159 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:57:44,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:57:44,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:44,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:44,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:57:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 12:57:44,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:57:44,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:57:44,260 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:57:44,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:57:44,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:57:44,261 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 3 states. [2019-09-20 12:57:44,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:57:44,283 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2019-09-20 12:57:44,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:57:44,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-09-20 12:57:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:57:44,285 INFO L225 Difference]: With dead ends: 84 [2019-09-20 12:57:44,285 INFO L226 Difference]: Without dead ends: 49 [2019-09-20 12:57:44,286 INFO L636 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 [2019-09-20 12:57:44,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-09-20 12:57:44,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-09-20 12:57:44,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-09-20 12:57:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2019-09-20 12:57:44,294 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 38 [2019-09-20 12:57:44,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:57:44,294 INFO L475 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2019-09-20 12:57:44,294 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 12:57:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2019-09-20 12:57:44,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-20 12:57:44,296 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:57:44,296 INFO L407 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] [2019-09-20 12:57:44,296 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:57:44,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:57:44,297 INFO L82 PathProgramCache]: Analyzing trace with hash 446687854, now seen corresponding path program 1 times [2019-09-20 12:57:44,297 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:57:44,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:57:44,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:44,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:44,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:57:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 12:57:44,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:57:44,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 12:57:44,395 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 12:57:44,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 12:57:44,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 12:57:44,396 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 5 states. [2019-09-20 12:57:44,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:57:44,502 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2019-09-20 12:57:44,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 12:57:44,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-09-20 12:57:44,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:57:44,504 INFO L225 Difference]: With dead ends: 61 [2019-09-20 12:57:44,504 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 12:57:44,505 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-20 12:57:44,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 12:57:44,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 12:57:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 12:57:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 12:57:44,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2019-09-20 12:57:44,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:57:44,507 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 12:57:44,507 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 12:57:44,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 12:57:44,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 12:57:44,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 12:57:44,565 INFO L443 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2019-09-20 12:57:44,566 INFO L443 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2019-09-20 12:57:44,566 INFO L443 ceAbstractionStarter]: For program point L60-4(lines 54 72) no Hoare annotation was computed. [2019-09-20 12:57:44,566 INFO L443 ceAbstractionStarter]: For program point L56-1(line 56) no Hoare annotation was computed. [2019-09-20 12:57:44,566 INFO L443 ceAbstractionStarter]: For program point L56-3(line 56) no Hoare annotation was computed. [2019-09-20 12:57:44,567 INFO L446 ceAbstractionStarter]: At program point L56-5(line 56) the Hoare annotation is: true [2019-09-20 12:57:44,567 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2019-09-20 12:57:44,567 INFO L443 ceAbstractionStarter]: For program point L56-6(line 56) no Hoare annotation was computed. [2019-09-20 12:57:44,567 INFO L443 ceAbstractionStarter]: For program point L52-2(lines 52 73) no Hoare annotation was computed. [2019-09-20 12:57:44,567 INFO L446 ceAbstractionStarter]: At program point L52-4(lines 52 73) the Hoare annotation is: true [2019-09-20 12:57:44,568 INFO L443 ceAbstractionStarter]: For program point L52-5(lines 52 73) no Hoare annotation was computed. [2019-09-20 12:57:44,568 INFO L439 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2019-09-20 12:57:44,569 INFO L443 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2019-09-20 12:57:44,570 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-09-20 12:57:44,570 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-09-20 12:57:44,570 INFO L443 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2019-09-20 12:57:44,570 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2019-09-20 12:57:44,571 INFO L443 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2019-09-20 12:57:44,571 INFO L443 ceAbstractionStarter]: For program point parse_expression_listFINAL(lines 47 75) no Hoare annotation was computed. [2019-09-20 12:57:44,571 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 64) no Hoare annotation was computed. [2019-09-20 12:57:44,571 INFO L446 ceAbstractionStarter]: At program point parse_expression_listENTRY(lines 47 75) the Hoare annotation is: true [2019-09-20 12:57:44,572 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 72) no Hoare annotation was computed. [2019-09-20 12:57:44,572 INFO L443 ceAbstractionStarter]: For program point parse_expression_listEXIT(lines 47 75) no Hoare annotation was computed. [2019-09-20 12:57:44,572 INFO L443 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2019-09-20 12:57:44,572 INFO L443 ceAbstractionStarter]: For program point L59-2(line 59) no Hoare annotation was computed. [2019-09-20 12:57:44,572 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-09-20 12:57:44,573 INFO L443 ceAbstractionStarter]: For program point L59-4(line 59) no Hoare annotation was computed. [2019-09-20 12:57:44,574 INFO L443 ceAbstractionStarter]: For program point L59-6(line 59) no Hoare annotation was computed. [2019-09-20 12:57:44,574 INFO L443 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-09-20 12:57:44,574 INFO L446 ceAbstractionStarter]: At program point L59-8(line 59) the Hoare annotation is: true [2019-09-20 12:57:44,576 INFO L443 ceAbstractionStarter]: For program point L59-9(line 59) no Hoare annotation was computed. [2019-09-20 12:57:44,576 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 12:57:44,576 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 12:57:44,576 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 12:57:44,576 INFO L443 ceAbstractionStarter]: For program point r_strncpyFINAL(line 31) no Hoare annotation was computed. [2019-09-20 12:57:44,577 INFO L443 ceAbstractionStarter]: For program point r_strncpyEXIT(line 31) no Hoare annotation was computed. [2019-09-20 12:57:44,577 INFO L446 ceAbstractionStarter]: At program point r_strncpyENTRY(line 31) the Hoare annotation is: true [2019-09-20 12:57:44,577 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 12:57:44,577 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 12:57:44,577 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 12:57:44,577 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 12:57:44,578 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 76 85) the Hoare annotation is: true [2019-09-20 12:57:44,578 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 76 85) no Hoare annotation was computed. [2019-09-20 12:57:44,578 INFO L446 ceAbstractionStarter]: At program point L83(line 83) the Hoare annotation is: true [2019-09-20 12:57:44,578 INFO L443 ceAbstractionStarter]: For program point L83-1(line 83) no Hoare annotation was computed. [2019-09-20 12:57:44,578 INFO L443 ceAbstractionStarter]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2019-09-20 12:57:44,579 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 76 85) no Hoare annotation was computed. [2019-09-20 12:57:44,579 INFO L446 ceAbstractionStarter]: At program point L79-3(lines 79 81) the Hoare annotation is: true [2019-09-20 12:57:44,579 INFO L443 ceAbstractionStarter]: For program point L79-4(lines 79 81) no Hoare annotation was computed. [2019-09-20 12:57:44,579 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-09-20 12:57:44,579 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-09-20 12:57:44,579 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-09-20 12:57:44,580 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-09-20 12:57:44,580 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-09-20 12:57:44,580 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-09-20 12:57:44,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 12:57:44 BoogieIcfgContainer [2019-09-20 12:57:44,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 12:57:44,595 INFO L168 Benchmark]: Toolchain (without parser) took 1889.00 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.4 MB in the beginning and 85.1 MB in the end (delta: 353.9 kB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:44,597 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 12:57:44,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.15 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.2 MB in the beginning and 172.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:44,602 INFO L168 Benchmark]: Boogie Preprocessor took 46.93 ms. Allocated memory is still 198.7 MB. Free memory was 172.9 MB in the beginning and 171.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:44,603 INFO L168 Benchmark]: RCFGBuilder took 529.45 ms. Allocated memory is still 198.7 MB. Free memory was 171.0 MB in the beginning and 142.0 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:44,604 INFO L168 Benchmark]: TraceAbstraction took 889.83 ms. Allocated memory is still 198.7 MB. Free memory was 142.0 MB in the beginning and 85.1 MB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:44,615 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 417.15 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 85.2 MB in the beginning and 172.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.93 ms. Allocated memory is still 198.7 MB. Free memory was 172.9 MB in the beginning and 171.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 529.45 ms. Allocated memory is still 198.7 MB. Free memory was 171.0 MB in the beginning and 142.0 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 889.83 ms. Allocated memory is still 198.7 MB. Free memory was 142.0 MB in the beginning and 85.1 MB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 55 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 168 SDtfs, 20 SDslu, 236 SDs, 0 SdLazy, 50 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 24 PreInvPairs, 33 NumberOfFragments, 22 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...