java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test26_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:54:43,733 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:54:43,735 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:54:43,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:54:43,748 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:54:43,749 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:54:43,750 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:54:43,752 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:54:43,754 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:54:43,755 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:54:43,756 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:54:43,756 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:54:43,757 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:54:43,759 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:54:43,760 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:54:43,761 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:54:43,762 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:54:43,763 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:54:43,766 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:54:43,767 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:54:43,768 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:54:43,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:54:43,772 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:54:43,773 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:54:43,773 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:54:43,774 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:54:43,775 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:54:43,776 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:54:43,776 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:54:43,778 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:54:43,778 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:54:43,779 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:54:43,779 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:54:43,779 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:54:43,780 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:54:43,781 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:54:43,781 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:54:43,814 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:54:43,815 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:54:43,816 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:54:43,817 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:54:43,817 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:54:43,821 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:54:43,821 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:54:43,821 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:54:43,822 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:54:43,822 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:54:43,822 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:54:43,822 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:54:43,822 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:54:43,822 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:54:43,823 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:54:43,824 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:54:43,824 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:54:43,824 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:54:43,824 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:54:43,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:54:43,825 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:54:43,825 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:54:43,825 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:54:43,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:54:43,825 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:54:43,826 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:54:43,827 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:54:43,827 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:54:43,827 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:54:43,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:54:43,828 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:54:43,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:54:43,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:54:43,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:54:43,900 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:54:43,901 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:54:43,901 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26_true-unreach-call_true-termination.c [2018-11-23 12:54:43,971 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c259e925f/4a587580d6cf491a82fcca8ce950cae9/FLAGb7817b40c [2018-11-23 12:54:44,457 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:54:44,458 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test26_true-unreach-call_true-termination.c [2018-11-23 12:54:44,465 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c259e925f/4a587580d6cf491a82fcca8ce950cae9/FLAGb7817b40c [2018-11-23 12:54:44,820 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c259e925f/4a587580d6cf491a82fcca8ce950cae9 [2018-11-23 12:54:44,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:54:44,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:54:44,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:44,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:54:44,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:54:44,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:44" (1/1) ... [2018-11-23 12:54:44,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5eb1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:44, skipping insertion in model container [2018-11-23 12:54:44,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:44" (1/1) ... [2018-11-23 12:54:44,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:54:44,882 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:54:45,089 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:45,108 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:54:45,130 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:45,153 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:54:45,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45 WrapperNode [2018-11-23 12:54:45,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:45,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:45,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:54:45,155 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:54:45,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 12:54:45,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 12:54:45,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:45,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:54:45,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:54:45,189 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:54:45,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 12:54:45,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 12:54:45,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 12:54:45,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 12:54:45,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 12:54:45,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 12:54:45,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (1/1) ... [2018-11-23 12:54:45,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:54:45,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:54:45,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:54:45,231 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:54:45,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (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 [2018-11-23 12:54:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:54:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:54:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:54:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:54:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:54:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:54:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:54:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:54:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:54:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:54:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2018-11-23 12:54:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2018-11-23 12:54:45,835 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:54:45,836 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:54:45,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:45 BoogieIcfgContainer [2018-11-23 12:54:45,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:54:45,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:54:45,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:54:45,841 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:54:45,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:54:44" (1/3) ... [2018-11-23 12:54:45,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cdb518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:45, skipping insertion in model container [2018-11-23 12:54:45,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:45" (2/3) ... [2018-11-23 12:54:45,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cdb518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:45, skipping insertion in model container [2018-11-23 12:54:45,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:45" (3/3) ... [2018-11-23 12:54:45,845 INFO L112 eAbstractionObserver]: Analyzing ICFG test26_true-unreach-call_true-termination.c [2018-11-23 12:54:45,857 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:54:45,866 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:54:45,885 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:54:45,917 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:54:45,917 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:54:45,918 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:54:45,918 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:54:45,918 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:54:45,918 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:54:45,919 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:54:45,919 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:54:45,919 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:54:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 12:54:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 12:54:45,945 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:45,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:54:45,949 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:45,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:45,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times [2018-11-23 12:54:45,958 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:54:45,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:54:46,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:46,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:46,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:47,190 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-23 12:54:47,195 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#global~0.base, ~#global~0.offset := #Ultimate.alloc(8);call write~init~int(0, ~#global~0.base, ~#global~0.offset, 4);call write~init~int(1, ~#global~0.base, 4 + ~#global~0.offset, 4); {23#(and (<= 0 |~#global~0.offset|) (<= |~#global~0.offset| 0))} is VALID [2018-11-23 12:54:47,199 INFO L273 TraceCheckUtils]: 2: Hoare triple {23#(and (<= 0 |~#global~0.offset|) (<= |~#global~0.offset| 0))} assume true; {23#(and (<= 0 |~#global~0.offset|) (<= |~#global~0.offset| 0))} is VALID [2018-11-23 12:54:47,202 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {23#(and (<= 0 |~#global~0.offset|) (<= |~#global~0.offset| 0))} {21#true} #19#return; {23#(and (<= 0 |~#global~0.offset|) (<= |~#global~0.offset| 0))} is VALID [2018-11-23 12:54:47,204 INFO L256 TraceCheckUtils]: 4: Hoare triple {23#(and (<= 0 |~#global~0.offset|) (<= |~#global~0.offset| 0))} call #t~ret3 := main(); {23#(and (<= 0 |~#global~0.offset|) (<= |~#global~0.offset| 0))} is VALID [2018-11-23 12:54:47,204 INFO L273 TraceCheckUtils]: 5: Hoare triple {23#(and (<= 0 |~#global~0.offset|) (<= |~#global~0.offset| 0))} ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; {24#(and (= |~#global~0.base| main_~pd~0.base) (= |~#global~0.offset| main_~pd~0.offset))} is VALID [2018-11-23 12:54:47,206 INFO L256 TraceCheckUtils]: 6: Hoare triple {24#(and (= |~#global~0.base| main_~pd~0.base) (= |~#global~0.offset| main_~pd~0.offset))} call assign(~pd~0.base, ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); {25#(= |#memory_int| |old(#memory_int)|)} is VALID [2018-11-23 12:54:47,209 INFO L273 TraceCheckUtils]: 7: Hoare triple {25#(= |#memory_int| |old(#memory_int)|)} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem0 := read~int(~pb.base, ~pb.offset, 4);call write~int(#t~mem0, ~pa.base, ~pa.offset, 4);havoc #t~mem0; {26#(and (= (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|)) (or (= (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)) (= |assign_#in~pa.offset| (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)))) (= (store (select |old(#memory_int)| |assign_#in~pa.base|) (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)) (select (select |#memory_int| |assign_#in~pa.base|) (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)))) (select |#memory_int| |assign_#in~pa.base|)))} is VALID [2018-11-23 12:54:47,211 INFO L273 TraceCheckUtils]: 8: Hoare triple {26#(and (= (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|)) (or (= (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)) (= |assign_#in~pa.offset| (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)))) (= (store (select |old(#memory_int)| |assign_#in~pa.base|) (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)) (select (select |#memory_int| |assign_#in~pa.base|) (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)))) (select |#memory_int| |assign_#in~pa.base|)))} assume true; {26#(and (= (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|)) (or (= (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)) (= |assign_#in~pa.offset| (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)))) (= (store (select |old(#memory_int)| |assign_#in~pa.base|) (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)) (select (select |#memory_int| |assign_#in~pa.base|) (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)))) (select |#memory_int| |assign_#in~pa.base|)))} is VALID [2018-11-23 12:54:47,217 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {26#(and (= (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|)) (or (= (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)) (= |assign_#in~pa.offset| (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)))) (= (store (select |old(#memory_int)| |assign_#in~pa.base|) (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)) (select (select |#memory_int| |assign_#in~pa.base|) (@diff (select |old(#memory_int)| |assign_#in~pa.base|) (select |#memory_int| |assign_#in~pa.base|)))) (select |#memory_int| |assign_#in~pa.base|)))} {24#(and (= |~#global~0.base| main_~pd~0.base) (= |~#global~0.offset| main_~pd~0.offset))} #23#return; {27#(and (= (select (select |#memory_int| |~#global~0.base|) (+ |~#global~0.offset| 4)) (select (select |#memory_int| main_~pd~0.base) main_~pd~0.offset)) (= |~#global~0.offset| main_~pd~0.offset))} is VALID [2018-11-23 12:54:47,218 INFO L273 TraceCheckUtils]: 10: Hoare triple {27#(and (= (select (select |#memory_int| |~#global~0.base|) (+ |~#global~0.offset| 4)) (select (select |#memory_int| main_~pd~0.base) main_~pd~0.offset)) (= |~#global~0.offset| main_~pd~0.offset))} call #t~mem1 := read~int(~pd~0.base, ~pd~0.offset, 4);call #t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); {28#(= |main_#t~mem1| |main_#t~mem2|)} is VALID [2018-11-23 12:54:47,223 INFO L273 TraceCheckUtils]: 11: Hoare triple {28#(= |main_#t~mem1| |main_#t~mem2|)} assume #t~mem1 != #t~mem2;havoc #t~mem1;havoc #t~mem2; {22#false} is VALID [2018-11-23 12:54:47,223 INFO L273 TraceCheckUtils]: 12: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-23 12:54:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:54:47,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:54:47,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 12:54:47,235 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2018-11-23 12:54:47,238 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:54:47,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 12:54:47,323 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:47,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:54:47,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:54:47,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:54:47,335 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 8 states. [2018-11-23 12:54:47,906 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-23 12:54:48,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:48,342 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-11-23 12:54:48,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 12:54:48,342 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2018-11-23 12:54:48,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 12:54:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2018-11-23 12:54:48,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 12:54:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2018-11-23 12:54:48,360 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 21 transitions. [2018-11-23 12:54:48,410 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:48,417 INFO L225 Difference]: With dead ends: 22 [2018-11-23 12:54:48,417 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:54:48,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:54:48,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:54:48,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:54:48,443 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:54:48,444 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:48,444 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:48,444 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:48,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:48,445 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:48,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:48,445 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:48,446 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:48,446 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:48,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:48,446 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:48,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:48,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:48,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:48,447 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:54:48,447 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:54:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:54:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:54:48,449 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-11-23 12:54:48,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:48,450 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:54:48,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:54:48,450 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:48,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:48,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:54:48,709 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:48,710 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:48,710 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:48,710 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:48,710 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 |~#global~0.offset|) (<= |~#global~0.offset| 0)) [2018-11-23 12:54:48,710 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:48,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:48,711 INFO L444 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (or (< 0 |~#global~0.offset|) (and (= |~#global~0.base| main_~pd~0.base) (= |#memory_int| |old(#memory_int)|) (= |~#global~0.offset| main_~pd~0.offset)) (< |~#global~0.offset| 0)) [2018-11-23 12:54:48,711 INFO L448 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-11-23 12:54:48,711 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 12 26) the Hoare annotation is: (or (= |#memory_int| |old(#memory_int)|) (< 0 |~#global~0.offset|) (< |~#global~0.offset| 0)) [2018-11-23 12:54:48,711 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 12 26) no Hoare annotation was computed. [2018-11-23 12:54:48,712 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 12 26) no Hoare annotation was computed. [2018-11-23 12:54:48,712 INFO L444 ceAbstractionStarter]: At program point L19(lines 13 26) the Hoare annotation is: (or (< 0 |~#global~0.offset|) (< |~#global~0.offset| 0)) [2018-11-23 12:54:48,712 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-11-23 12:54:48,712 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2018-11-23 12:54:48,712 INFO L448 ceAbstractionStarter]: For program point assignEXIT(lines 7 10) no Hoare annotation was computed. [2018-11-23 12:54:48,713 INFO L444 ceAbstractionStarter]: At program point assignENTRY(lines 7 10) the Hoare annotation is: (or (= |#memory_int| |old(#memory_int)|) (< 0 |~#global~0.offset|) (< |~#global~0.offset| 0)) [2018-11-23 12:54:48,713 INFO L448 ceAbstractionStarter]: For program point assignFINAL(lines 7 10) no Hoare annotation was computed. [2018-11-23 12:54:48,715 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:48,718 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2018-11-23 12:54:48,718 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:48,718 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:48,720 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2018-11-23 12:54:48,728 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2018-11-23 12:54:48,728 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 12:54:48,728 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:48,728 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2018-11-23 12:54:48,728 WARN L170 areAnnotationChecker]: assignEXIT has no Hoare annotation [2018-11-23 12:54:48,729 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-23 12:54:48,729 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2018-11-23 12:54:48,729 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 12:54:48,729 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:48,729 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:48,730 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 12:54:48,730 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 12:54:48,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:54:48 BoogieIcfgContainer [2018-11-23 12:54:48,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:54:48,740 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:54:48,740 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:54:48,741 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:54:48,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:45" (3/4) ... [2018-11-23 12:54:48,745 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:54:48,751 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:54:48,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:54:48,752 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assign [2018-11-23 12:54:48,757 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:54:48,757 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:54:48,758 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:54:48,806 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test26_true-unreach-call_true-termination.c-witness.graphml [2018-11-23 12:54:48,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:54:48,807 INFO L168 Benchmark]: Toolchain (without parser) took 3972.75 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 685.2 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -567.7 MB). Peak memory consumption was 117.6 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:48,809 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:48,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:48,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:48,811 INFO L168 Benchmark]: Boogie Preprocessor took 42.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:48,811 INFO L168 Benchmark]: RCFGBuilder took 605.67 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 685.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -729.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:48,812 INFO L168 Benchmark]: TraceAbstraction took 2902.28 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 151.6 MB). Peak memory consumption was 151.6 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:48,813 INFO L168 Benchmark]: Witness Printer took 66.03 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:48,817 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 317.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 33.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 605.67 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 685.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -729.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2902.28 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 151.6 MB). Peak memory consumption was 151.6 MB. Max. memory is 7.1 GB. * Witness Printer took 66.03 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: 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: 13]: Loop Invariant Derived loop invariant: 0 < global || global < 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 12 SDslu, 20 SDs, 0 SdLazy, 44 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 61 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 2040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...