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/structure_assignment_true-termination.c_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:53:59,422 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:53:59,424 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:53:59,437 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:53:59,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:53:59,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:53:59,440 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:53:59,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:53:59,444 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:53:59,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:53:59,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:53:59,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:53:59,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:53:59,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:53:59,449 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:53:59,450 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:53:59,451 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:53:59,452 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:53:59,454 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:53:59,456 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:53:59,457 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:53:59,458 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:53:59,461 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:53:59,461 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:53:59,461 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:53:59,462 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:53:59,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:53:59,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:53:59,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:53:59,466 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:53:59,466 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:53:59,467 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:53:59,467 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:53:59,467 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:53:59,468 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:53:59,469 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:53:59,469 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 12:53:59,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:53:59,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:53:59,498 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:53:59,498 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:53:59,499 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:53:59,499 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:53:59,499 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:53:59,501 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:53:59,501 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:53:59,501 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:53:59,501 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:53:59,502 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:53:59,502 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:53:59,502 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:53:59,502 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:53:59,503 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:53:59,503 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:53:59,503 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:53:59,503 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:53:59,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:53:59,504 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:53:59,504 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:53:59,504 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:53:59,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:53:59,506 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:53:59,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:53:59,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:53:59,506 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:53:59,507 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:53:59,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:53:59,507 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:53:59,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:53:59,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:53:59,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:53:59,588 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:53:59,588 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:53:59,589 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/structure_assignment_true-termination.c_true-unreach-call.i [2018-11-23 12:53:59,652 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb1db587/b3464eae21254eb1aefff7932e5900a9/FLAGcf14e758f [2018-11-23 12:54:00,106 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:54:00,107 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/structure_assignment_true-termination.c_true-unreach-call.i [2018-11-23 12:54:00,113 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb1db587/b3464eae21254eb1aefff7932e5900a9/FLAGcf14e758f [2018-11-23 12:54:00,466 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb1db587/b3464eae21254eb1aefff7932e5900a9 [2018-11-23 12:54:00,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:54:00,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:54:00,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:00,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:54:00,481 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:54:00,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29240fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00, skipping insertion in model container [2018-11-23 12:54:00,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:54:00,520 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:54:00,721 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:00,728 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:54:00,751 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:00,775 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:54:00,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00 WrapperNode [2018-11-23 12:54:00,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:00,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:00,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:54:00,776 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:54:00,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:00,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:54:00,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:54:00,800 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:54:00,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (1/1) ... [2018-11-23 12:54:00,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:54:00,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:54:00,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:54:00,830 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:54:00,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (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 12:54:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:54:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:54:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:54:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:54:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-23 12:54:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-23 12:54:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:54:00,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:54:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:54:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:54:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:54:00,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:54:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:54:01,346 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:54:01,346 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:54:01,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:01 BoogieIcfgContainer [2018-11-23 12:54:01,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:54:01,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:54:01,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:54:01,351 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:54:01,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:54:00" (1/3) ... [2018-11-23 12:54:01,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e408076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:01, skipping insertion in model container [2018-11-23 12:54:01,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:00" (2/3) ... [2018-11-23 12:54:01,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e408076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:01, skipping insertion in model container [2018-11-23 12:54:01,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:01" (3/3) ... [2018-11-23 12:54:01,355 INFO L112 eAbstractionObserver]: Analyzing ICFG structure_assignment_true-termination.c_true-unreach-call.i [2018-11-23 12:54:01,363 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:54:01,370 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:54:01,385 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:54:01,415 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:54:01,416 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:54:01,416 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:54:01,416 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:54:01,417 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:54:01,417 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:54:01,417 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:54:01,417 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:54:01,417 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:54:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-23 12:54:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 12:54:01,440 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:01,441 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:54:01,443 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:01,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:01,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1215743292, now seen corresponding path program 1 times [2018-11-23 12:54:01,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:54:01,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:54:01,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:01,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:01,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:01,676 INFO L256 TraceCheckUtils]: 0: Hoare triple {20#true} call ULTIMATE.init(); {20#true} is VALID [2018-11-23 12:54:01,680 INFO L273 TraceCheckUtils]: 1: Hoare triple {20#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {20#true} is VALID [2018-11-23 12:54:01,681 INFO L273 TraceCheckUtils]: 2: Hoare triple {20#true} assume true; {20#true} is VALID [2018-11-23 12:54:01,681 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {20#true} {20#true} #19#return; {20#true} is VALID [2018-11-23 12:54:01,682 INFO L256 TraceCheckUtils]: 4: Hoare triple {20#true} call #t~ret3 := main(); {20#true} is VALID [2018-11-23 12:54:01,697 INFO L273 TraceCheckUtils]: 5: Hoare triple {20#true} call ~#good~0.base, ~#good~0.offset := #Ultimate.alloc(8);call write~init~int(1, ~#good~0.base, ~#good~0.offset, 4);call write~init~int(2, ~#good~0.base, 4 + ~#good~0.offset, 4);call ~#bad~0.base, ~#bad~0.offset := #Ultimate.alloc(8);call #t~mem0 := read~int(~#good~0.base, ~#good~0.offset, 4);call #t~mem1 := read~int(~#good~0.base, 4 + ~#good~0.offset, 4);call write~int(#t~mem0, ~#bad~0.base, ~#bad~0.offset, 4);call write~int(#t~mem1, ~#bad~0.base, 4 + ~#bad~0.offset, 4);havoc #t~mem1;havoc #t~mem0;call #t~mem2 := read~int(~#bad~0.base, 4 + ~#bad~0.offset, 4); {22#(= |main_#t~mem2| 2)} is VALID [2018-11-23 12:54:01,705 INFO L273 TraceCheckUtils]: 6: Hoare triple {22#(= |main_#t~mem2| 2)} assume !(2 == #t~mem2); {21#false} is VALID [2018-11-23 12:54:01,705 INFO L256 TraceCheckUtils]: 7: Hoare triple {21#false} call __blast_assert(); {21#false} is VALID [2018-11-23 12:54:01,705 INFO L273 TraceCheckUtils]: 8: Hoare triple {21#false} assume !false; {21#false} is VALID [2018-11-23 12:54:01,708 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 12:54:01,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:54:01,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:54:01,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 12:54:01,722 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:54:01,728 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:54:01,760 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:01,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:54:01,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:54:01,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:54:01,772 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-11-23 12:54:01,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:01,860 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-11-23 12:54:01,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:54:01,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 12:54:01,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:01,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:54:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2018-11-23 12:54:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:54:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2018-11-23 12:54:01,879 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 21 transitions. [2018-11-23 12:54:02,067 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 12:54:02,073 INFO L225 Difference]: With dead ends: 22 [2018-11-23 12:54:02,073 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:54:02,076 INFO L631 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 [2018-11-23 12:54:02,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:54:02,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:54:02,097 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:54:02,098 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:02,098 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:02,098 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:02,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:02,099 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:02,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:02,099 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:02,100 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:02,100 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:02,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:02,100 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:02,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:02,101 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:02,101 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:54:02,101 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:54:02,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:54:02,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:54:02,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-23 12:54:02,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:02,103 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:54:02,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:54:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:02,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:02,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:54:02,321 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:02,321 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:02,321 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:02,321 INFO L448 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 7 10) no Hoare annotation was computed. [2018-11-23 12:54:02,322 INFO L448 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-11-23 12:54:02,322 INFO L448 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 7 10) no Hoare annotation was computed. [2018-11-23 12:54:02,322 INFO L451 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 7 10) the Hoare annotation is: true [2018-11-23 12:54:02,322 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:02,322 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 12:54:02,322 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:02,322 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:02,322 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 19 26) the Hoare annotation is: true [2018-11-23 12:54:02,323 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 19 26) no Hoare annotation was computed. [2018-11-23 12:54:02,325 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 19 26) no Hoare annotation was computed. [2018-11-23 12:54:02,325 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-23 12:54:02,325 INFO L444 ceAbstractionStarter]: At program point L24-2(line 24) the Hoare annotation is: false [2018-11-23 12:54:02,325 INFO L448 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2018-11-23 12:54:02,327 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:02,327 WARN L170 areAnnotationChecker]: __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 12:54:02,327 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 12:54:02,328 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2018-11-23 12:54:02,328 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:02,328 WARN L170 areAnnotationChecker]: __blast_assertFINAL has no Hoare annotation [2018-11-23 12:54:02,328 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:02,328 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2018-11-23 12:54:02,328 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2018-11-23 12:54:02,328 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 12:54:02,328 WARN L170 areAnnotationChecker]: __blast_assertEXIT has no Hoare annotation [2018-11-23 12:54:02,329 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:02,329 WARN L170 areAnnotationChecker]: L24-3 has no Hoare annotation [2018-11-23 12:54:02,329 WARN L170 areAnnotationChecker]: L24-3 has no Hoare annotation [2018-11-23 12:54:02,329 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:02,329 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 12:54:02,329 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 12:54:02,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:54:02 BoogieIcfgContainer [2018-11-23 12:54:02,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:54:02,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:54:02,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:54:02,335 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:54:02,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:01" (3/4) ... [2018-11-23 12:54:02,340 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:54:02,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:54:02,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2018-11-23 12:54:02,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:54:02,350 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 12:54:02,351 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:54:02,351 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:54:02,351 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:54:02,398 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/structure_assignment_true-termination.c_true-unreach-call.i-witness.graphml [2018-11-23 12:54:02,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:54:02,399 INFO L168 Benchmark]: Toolchain (without parser) took 1923.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -739.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:02,401 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:02,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.25 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 12:54:02,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.88 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 12:54:02,405 INFO L168 Benchmark]: Boogie Preprocessor took 30.46 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 12:54:02,405 INFO L168 Benchmark]: RCFGBuilder took 516.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -792.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:02,406 INFO L168 Benchmark]: TraceAbstraction took 986.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:02,408 INFO L168 Benchmark]: Witness Printer took 63.47 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:02,416 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 298.25 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 22.88 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 30.46 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 516.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -792.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 986.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. * Witness Printer took 63.47 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 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...