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_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-regression/just_assert_true-termination.c_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:06:28,404 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:06:28,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:06:28,418 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:06:28,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:06:28,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:06:28,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:06:28,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:06:28,427 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:06:28,428 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:06:28,430 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:06:28,431 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:06:28,432 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:06:28,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:06:28,434 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:06:28,443 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:06:28,444 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:06:28,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:06:28,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:06:28,455 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:06:28,456 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:06:28,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:06:28,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:06:28,459 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:06:28,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:06:28,460 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:06:28,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:06:28,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:06:28,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:06:28,464 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:06:28,464 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:06:28,465 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-23 11:06:28,468 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 11:06:28,483 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:06:28,483 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:06:28,484 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:06:28,484 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:06:28,485 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:06:28,485 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:06:28,486 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:06:28,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:06:28,486 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:06:28,486 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:06:28,486 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:06:28,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:06:28,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:06:28,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:06:28,487 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:06:28,487 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:06:28,488 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:06:28,488 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:06:28,488 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:06:28,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:06:28,489 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:06:28,489 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:06:28,489 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:06:28,489 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:06:28,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:06:28,491 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:06:28,491 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:06:28,491 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:06:28,491 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:06:28,492 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:06:28,492 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:06:28,492 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:06:28,492 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:06:28,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:06:28,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:06:28,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:06:28,566 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:06:28,567 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:06:28,568 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/just_assert_true-termination.c_true-unreach-call.i [2018-11-23 11:06:28,635 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675e30bad/605c93f7b9a943318fc32339fc14114d/FLAG0d885b821 [2018-11-23 11:06:29,104 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:06:29,105 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/just_assert_true-termination.c_true-unreach-call.i [2018-11-23 11:06:29,110 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675e30bad/605c93f7b9a943318fc32339fc14114d/FLAG0d885b821 [2018-11-23 11:06:29,468 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675e30bad/605c93f7b9a943318fc32339fc14114d [2018-11-23 11:06:29,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:06:29,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:06:29,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:29,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:06:29,486 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:06:29,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704e1ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29, skipping insertion in model container [2018-11-23 11:06:29,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:06:29,518 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:06:29,692 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:29,699 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:06:29,712 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:29,725 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:06:29,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29 WrapperNode [2018-11-23 11:06:29,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:29,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:29,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:06:29,727 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:06:29,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:29,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:06:29,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:06:29,746 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:06:29,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (1/1) ... [2018-11-23 11:06:29,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:06:29,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:06:29,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:06:29,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:06:29,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (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 11:06:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:06:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:06:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:06:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:06:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:06:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:06:30,101 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:06:30,102 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:06:30,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:30 BoogieIcfgContainer [2018-11-23 11:06:30,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:06:30,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:06:30,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:06:30,109 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:06:30,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:29" (1/3) ... [2018-11-23 11:06:30,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ab4b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:30, skipping insertion in model container [2018-11-23 11:06:30,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:29" (2/3) ... [2018-11-23 11:06:30,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ab4b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:30, skipping insertion in model container [2018-11-23 11:06:30,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:30" (3/3) ... [2018-11-23 11:06:30,113 INFO L112 eAbstractionObserver]: Analyzing ICFG just_assert_true-termination.c_true-unreach-call.i [2018-11-23 11:06:30,123 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:06:30,130 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:06:30,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:06:30,176 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:06:30,176 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:06:30,177 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:06:30,177 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:06:30,177 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:06:30,177 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:06:30,177 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:06:30,178 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:06:30,178 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:06:30,198 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-23 11:06:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 11:06:30,205 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:30,206 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-23 11:06:30,208 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:30,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:30,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1317434133, now seen corresponding path program 1 times [2018-11-23 11:06:30,220 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:06:30,221 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:06:30,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:30,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:30,402 INFO L256 TraceCheckUtils]: 0: Hoare triple {15#true} call ULTIMATE.init(); {15#true} is VALID [2018-11-23 11:06:30,408 INFO L273 TraceCheckUtils]: 1: Hoare triple {15#true} assume true; {15#true} is VALID [2018-11-23 11:06:30,409 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {15#true} {15#true} #16#return; {15#true} is VALID [2018-11-23 11:06:30,409 INFO L256 TraceCheckUtils]: 3: Hoare triple {15#true} call #t~ret0 := main(); {15#true} is VALID [2018-11-23 11:06:30,423 INFO L273 TraceCheckUtils]: 4: Hoare triple {15#true} assume false; {16#false} is VALID [2018-11-23 11:06:30,424 INFO L273 TraceCheckUtils]: 5: Hoare triple {16#false} assume !false; {16#false} is VALID [2018-11-23 11:06:30,428 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 11:06:30,428 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:30,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:30,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 11:06:30,448 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-11-23 11:06:30,451 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:30,455 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-23 11:06:30,498 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:30,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 11:06:30,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 11:06:30,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 11:06:30,510 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2018-11-23 11:06:30,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:30,576 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-11-23 11:06:30,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 11:06:30,577 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-11-23 11:06:30,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 11:06:30,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 16 transitions. [2018-11-23 11:06:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 11:06:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 16 transitions. [2018-11-23 11:06:30,596 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 16 transitions. [2018-11-23 11:06:30,696 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:30,703 INFO L225 Difference]: With dead ends: 17 [2018-11-23 11:06:30,703 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:06:30,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 11:06:30,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:06:30,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:06:30,733 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:30,734 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:30,735 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:30,735 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:30,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:30,736 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:30,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:30,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:30,737 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:30,737 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:30,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:30,738 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:30,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:30,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:30,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:30,738 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:30,739 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:06:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:06:30,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-11-23 11:06:30,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:30,741 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:06:30,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 11:06:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:30,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:30,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:06:30,831 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 11:06:30,831 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:30,831 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:30,831 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:06:30,831 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:30,832 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:30,832 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 5 11) the Hoare annotation is: true [2018-11-23 11:06:30,832 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 5 11) no Hoare annotation was computed. [2018-11-23 11:06:30,832 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-11-23 11:06:30,832 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 5 11) no Hoare annotation was computed. [2018-11-23 11:06:30,832 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-11-23 11:06:30,832 INFO L448 ceAbstractionStarter]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2018-11-23 11:06:30,834 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:30,834 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2018-11-23 11:06:30,834 WARN L170 areAnnotationChecker]: L7-1 has no Hoare annotation [2018-11-23 11:06:30,835 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:30,835 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:30,835 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2018-11-23 11:06:30,835 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2018-11-23 11:06:30,835 WARN L170 areAnnotationChecker]: L7-1 has no Hoare annotation [2018-11-23 11:06:30,835 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:30,835 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:30,836 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:06:30,836 INFO L163 areAnnotationChecker]: CFG has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 11:06:30,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:06:30 BoogieIcfgContainer [2018-11-23 11:06:30,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:06:30,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:06:30,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:06:30,839 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:06:30,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:30" (3/4) ... [2018-11-23 11:06:30,844 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:06:30,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:06:30,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:06:30,857 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 11:06:30,857 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 11:06:30,857 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:06:30,894 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/just_assert_true-termination.c_true-unreach-call.i-witness.graphml [2018-11-23 11:06:30,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:06:30,895 INFO L168 Benchmark]: Toolchain (without parser) took 1416.15 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -747.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:06:30,897 INFO L168 Benchmark]: CDTParser took 0.24 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 11:06:30,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.97 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 11:06:30,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.82 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 11:06:30,899 INFO L168 Benchmark]: Boogie Preprocessor took 26.33 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 11:06:30,899 INFO L168 Benchmark]: RCFGBuilder took 330.04 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:30,900 INFO L168 Benchmark]: TraceAbstraction took 735.32 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:30,901 INFO L168 Benchmark]: Witness Printer took 55.10 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 11:06:30,905 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 0.24 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 244.97 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 18.82 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 26.33 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 330.04 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 743.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 735.32 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. * Witness Printer took 55.10 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: 8]: 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 3 procedures, 12 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 12 ConjunctsInSsa, 1 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...