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/nested_structure_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:06:38,381 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:06:38,384 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:06:38,401 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:06:38,401 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:06:38,402 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:06:38,404 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:06:38,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:06:38,415 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:06:38,416 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:06:38,419 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:06:38,419 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:06:38,420 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:06:38,425 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:06:38,427 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:06:38,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:06:38,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:06:38,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:06:38,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:06:38,441 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:06:38,442 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:06:38,444 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:06:38,450 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:06:38,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:06:38,462 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:06:38,463 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:06:38,463 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:06:38,464 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 11:06:38,486 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:06:38,487 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:06:38,488 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:06:38,491 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:06:38,492 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:06:38,492 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:06:38,492 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:06:38,493 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:06:38,493 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:06:38,493 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:06:38,493 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:06:38,493 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:06:38,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:06:38,494 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:06:38,494 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:06:38,494 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:06:38,494 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:06:38,495 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:06:38,495 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:06:38,495 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:06:38,495 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:06:38,495 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:06:38,496 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:06:38,496 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:06:38,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:06:38,496 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:06:38,496 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:06:38,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:06:38,497 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:06:38,497 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:06:38,497 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:06:38,497 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:06:38,498 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:06:38,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:06:38,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:06:38,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:06:38,585 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:06:38,586 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:06:38,587 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_true-unreach-call_true-termination.i [2018-11-23 11:06:38,644 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e88854e/951edca206d44806a38e2aee20d9fe16/FLAG424de3380 [2018-11-23 11:06:39,072 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:06:39,073 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_true-unreach-call_true-termination.i [2018-11-23 11:06:39,081 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e88854e/951edca206d44806a38e2aee20d9fe16/FLAG424de3380 [2018-11-23 11:06:39,454 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e88854e/951edca206d44806a38e2aee20d9fe16 [2018-11-23 11:06:39,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:06:39,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:06:39,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:39,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:06:39,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:06:39,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c70976e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39, skipping insertion in model container [2018-11-23 11:06:39,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:06:39,509 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:06:39,761 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:39,782 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:06:39,809 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:06:39,839 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:06:39,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39 WrapperNode [2018-11-23 11:06:39,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:06:39,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:39,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:06:39,841 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:06:39,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:06:39,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:06:39,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:06:39,877 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:06:39,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (1/1) ... [2018-11-23 11:06:39,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:06:39,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:06:39,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:06:39,921 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:06:39,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (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 11:06:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 11:06:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 11:06:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 11:06:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:06:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:06:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:06:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:06:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:06:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 11:06:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:06:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:06:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:06:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:06:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 11:06:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 11:06:40,550 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:06:40,553 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:06:40,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:40 BoogieIcfgContainer [2018-11-23 11:06:40,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:06:40,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:06:40,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:06:40,559 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:06:40,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:39" (1/3) ... [2018-11-23 11:06:40,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2072d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:40, skipping insertion in model container [2018-11-23 11:06:40,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:39" (2/3) ... [2018-11-23 11:06:40,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2072d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:40, skipping insertion in model container [2018-11-23 11:06:40,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:40" (3/3) ... [2018-11-23 11:06:40,564 INFO L112 eAbstractionObserver]: Analyzing ICFG nested_structure_true-unreach-call_true-termination.i [2018-11-23 11:06:40,575 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:06:40,583 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:06:40,602 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:06:40,637 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:06:40,638 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:06:40,638 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:06:40,638 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:06:40,639 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:06:40,639 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:06:40,640 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:06:40,640 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:06:40,640 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:06:40,658 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 11:06:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 11:06:40,665 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:06:40,666 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:06:40,668 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:06:40,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:06:40,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1891520061, now seen corresponding path program 1 times [2018-11-23 11:06:40,681 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:06:40,681 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 11:06:40,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:06:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:06:40,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:06:42,009 WARN L180 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2018-11-23 11:06:42,035 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-11-23 11:06:42,040 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 11:06:42,161 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:06:42,165 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:06:42,169 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 27 [2018-11-23 11:06:42,174 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 11:06:42,327 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:06:42,331 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:06:42,354 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:06:42,377 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:06:42,396 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 223 [2018-11-23 11:06:42,433 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 1 [2018-11-23 11:06:42,449 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 11:06:42,485 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:06:42,638 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 11:06:42,640 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:06:42,671 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:06:42,675 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2018-11-23 11:06:42,712 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 11:06:42,776 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:06:42,778 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:06:42,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-11-23 11:06:42,913 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 25 [2018-11-23 11:06:43,067 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 11:06:43,137 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-11-23 11:06:43,140 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 11:06:43,144 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:06:43,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 5 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:06:43,149 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:316, output treesize:3 [2018-11-23 11:06:43,528 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 11:06:43,529 WARN L384 uantifierElimination]: Input elimination task: ∃ [|v_#memory_$Pointer$.base_5|, |main_~#good~0.base|, |v_#memory_$Pointer$.offset_5|, |v_#memory_int_5|, |#memory_$Pointer$.base|, |#memory_$Pointer$.offset|, |v_#valid_15|]. (let ((.cse4 (select (select |v_#memory_$Pointer$.offset_5| |main_~#good~0.base|) (_ bv4 32))) (.cse7 (select (select |v_#memory_$Pointer$.base_5| |main_~#good~0.base|) (_ bv4 32)))) (let ((.cse0 (select |v_#memory_$Pointer$.offset_5| .cse7)) (.cse8 (bvadd .cse4 (_ bv4 32))) (.cse9 (select |v_#memory_$Pointer$.base_5| .cse7))) (let ((.cse3 (select .cse9 (_ bv4 32))) (.cse1 (select .cse9 .cse8)) (.cse2 (select .cse0 .cse8))) (and (= (_ bv0 32) (select .cse0 (_ bv4 32))) (= (store |v_#memory_$Pointer$.offset_5| .cse1 (store (select |v_#memory_$Pointer$.offset_5| .cse1) .cse2 (select (select |#memory_$Pointer$.offset| .cse1) .cse2))) |#memory_$Pointer$.offset|) (= (_ bv3 32) (select (select |v_#memory_int_5| .cse3) (_ bv0 32))) (= (_ bv0 32) .cse4) (= (_ bv1 32) (select (select |v_#memory_int_5| |main_~#good~0.base|) (_ bv0 32))) (= (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (_ bv4 32))) (.cse6 (bvadd (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (_ bv4 32)) (_ bv4 32)))) (select (select (store |v_#memory_int_5| .cse1 (store (select |v_#memory_int_5| .cse1) .cse2 (_ bv4 32))) (select (select |#memory_$Pointer$.base| .cse5) .cse6)) (select (select |#memory_$Pointer$.offset| .cse5) .cse6))) |main_#t~mem4|) (= (select (store |v_#valid_15| .cse3 (_ bv1 1)) .cse7) (_ bv0 1)) (= (store |v_#memory_$Pointer$.base_5| .cse1 (store (select |v_#memory_$Pointer$.base_5| .cse1) .cse2 (select (select |#memory_$Pointer$.base| .cse1) .cse2))) |#memory_$Pointer$.base|))))) [2018-11-23 11:06:43,529 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (= (_ bv4 32) |main_#t~mem4|) [2018-11-23 11:06:43,572 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-23 11:06:43,576 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {21#true} is VALID [2018-11-23 11:06:43,576 INFO L273 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-23 11:06:43,577 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #21#return; {21#true} is VALID [2018-11-23 11:06:43,577 INFO L256 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret5 := main(); {21#true} is VALID [2018-11-23 11:06:43,582 INFO L273 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#im~0.base, ~#im~0.offset := #Ultimate.alloc(4bv32);call write~init~intINTTYPE4(3bv32, ~#im~0.base, ~#im~0.offset, 4bv32);call ~#inner~0.base, ~#inner~0.offset := #Ultimate.alloc(8bv32);call write~init~intINTTYPE4(2bv32, ~#inner~0.base, ~#inner~0.offset, 4bv32);call write~init~$Pointer$(~#im~0.base, ~#im~0.offset, ~#inner~0.base, ~bvadd32(4bv32, ~#inner~0.offset), 4bv32);call ~#good~0.base, ~#good~0.offset := #Ultimate.alloc(8bv32);call write~init~intINTTYPE4(1bv32, ~#good~0.base, ~#good~0.offset, 4bv32);call write~init~$Pointer$(~#inner~0.base, ~#inner~0.offset, ~#good~0.base, ~bvadd32(4bv32, ~#good~0.offset), 4bv32);call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~#good~0.base, ~bvadd32(4bv32, ~#good~0.offset), 4bv32);call #t~mem1.base, #t~mem1.offset := read~$Pointer$(#t~mem0.base, ~bvadd32(4bv32, #t~mem0.offset), 4bv32);call write~intINTTYPE4(4bv32, #t~mem1.base, #t~mem1.offset, 4bv32);havoc #t~mem1.base, #t~mem1.offset;havoc #t~mem0.base, #t~mem0.offset;call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~#good~0.base, ~bvadd32(4bv32, ~#good~0.offset), 4bv32);call #t~mem3.base, #t~mem3.offset := read~$Pointer$(#t~mem2.base, ~bvadd32(4bv32, #t~mem2.offset), 4bv32);call #t~mem4 := read~intINTTYPE4(#t~mem3.base, #t~mem3.offset, 4bv32); {41#(= (_ bv4 32) |main_#t~mem4|)} is VALID [2018-11-23 11:06:43,584 INFO L256 TraceCheckUtils]: 6: Hoare triple {41#(= (_ bv4 32) |main_#t~mem4|)} call __VERIFIER_assert((if 4bv32 == #t~mem4 then 1bv32 else 0bv32)); {45#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:06:43,585 INFO L273 TraceCheckUtils]: 7: Hoare triple {45#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {49#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:06:43,586 INFO L273 TraceCheckUtils]: 8: Hoare triple {49#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {22#false} is VALID [2018-11-23 11:06:43,586 INFO L273 TraceCheckUtils]: 9: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-23 11:06:43,588 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 11:06:43,588 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:06:43,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:06:43,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:06:43,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 11:06:43,600 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:06:43,603 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 11:06:43,638 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:43,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:06:43,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:06:43,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:06:43,650 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-23 11:06:43,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,860 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-23 11:06:43,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:06:43,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 11:06:43,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:06:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:06:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-23 11:06:43,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:06:43,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-23 11:06:43,879 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 24 transitions. [2018-11-23 11:06:43,951 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:06:43,958 INFO L225 Difference]: With dead ends: 25 [2018-11-23 11:06:43,958 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:06:43,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:06:43,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:06:43,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:06:43,987 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:06:43,987 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,988 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,988 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,989 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:43,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:43,990 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:43,990 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,990 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:06:43,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:06:43,991 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:06:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:43,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:43,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:06:43,992 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:06:43,992 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:06:43,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:06:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:06:43,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 11:06:43,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:06:43,995 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:06:43,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:06:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:06:43,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:06:44,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:06:44,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:44,356 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:44,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:44,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:06:44,356 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:06:44,357 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:06:44,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:06:44,357 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 29 37) the Hoare annotation is: true [2018-11-23 11:06:44,357 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 29 37) no Hoare annotation was computed. [2018-11-23 11:06:44,357 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 29 37) no Hoare annotation was computed. [2018-11-23 11:06:44,357 INFO L444 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: (= (_ bv4 32) |main_#t~mem4|) [2018-11-23 11:06:44,358 INFO L448 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2018-11-23 11:06:44,358 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-23 11:06:44,358 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:06:44,358 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 11:06:44,358 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 11:06:44,358 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-23 11:06:44,359 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:06:44,360 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:44,374 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:06:44,374 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:06:44,375 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:44,375 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2018-11-23 11:06:44,375 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:06:44,375 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:06:44,375 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:06:44,375 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:06:44,376 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2018-11-23 11:06:44,376 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:06:44,376 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:06:44,376 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-23 11:06:44,376 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:06:44,376 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 11:06:44,376 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:06:44,377 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 11:06:44,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:06:44 BoogieIcfgContainer [2018-11-23 11:06:44,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:06:44,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:06:44,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:06:44,382 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:06:44,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:40" (3/4) ... [2018-11-23 11:06:44,386 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:06:44,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:06:44,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:06:44,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 11:06:44,397 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 11:06:44,397 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 11:06:44,397 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:06:44,398 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:06:44,461 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/nested_structure_true-unreach-call_true-termination.i-witness.graphml [2018-11-23 11:06:44,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:06:44,463 INFO L168 Benchmark]: Toolchain (without parser) took 4998.11 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.0 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -602.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:44,464 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 11:06:44,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.31 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 11:06:44,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.09 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 11:06:44,466 INFO L168 Benchmark]: Boogie Preprocessor took 43.23 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 11:06:44,466 INFO L168 Benchmark]: RCFGBuilder took 633.35 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -745.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:44,467 INFO L168 Benchmark]: TraceAbstraction took 3826.49 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: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:44,468 INFO L168 Benchmark]: Witness Printer took 80.08 ms. Allocated memory is still 2.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:06:44,472 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 373.31 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 36.09 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 43.23 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 633.35 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -745.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3826.49 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: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. * Witness Printer took 80.08 ms. Allocated memory is still 2.2 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 5 SDslu, 31 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 8 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 15 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 21 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...