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/test16_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:07:40,411 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:07:40,414 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:07:40,430 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:07:40,431 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:07:40,435 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:07:40,436 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:07:40,438 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:07:40,442 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:07:40,443 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:07:40,448 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:07:40,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:07:40,450 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:07:40,457 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:07:40,458 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:07:40,463 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:07:40,463 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:07:40,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:07:40,471 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:07:40,472 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:07:40,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:07:40,479 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:07:40,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:07:40,499 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 11:07:40,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:07:40,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:07:40,530 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:07:40,530 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:07:40,532 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:07:40,532 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:07:40,532 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:07:40,532 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:07:40,533 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:07:40,533 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:07:40,533 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:07:40,533 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:07:40,533 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:07:40,534 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:07:40,534 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:07:40,534 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:07:40,535 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:07:40,535 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:07:40,535 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:07:40,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:07:40,535 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:07:40,537 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:07:40,537 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:07:40,537 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:07:40,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:07:40,538 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:07:40,538 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:07:40,538 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:07:40,538 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:07:40,538 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:07:40,539 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:07:40,539 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:07:40,539 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:07:40,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:07:40,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:07:40,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:07:40,632 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:07:40,633 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:07:40,634 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test16_true-unreach-call_true-termination.c [2018-11-23 11:07:40,702 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/710744016/badac69d4e174501960220cfe7c99bac/FLAG1f9d139f9 [2018-11-23 11:07:41,170 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:07:41,171 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test16_true-unreach-call_true-termination.c [2018-11-23 11:07:41,177 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/710744016/badac69d4e174501960220cfe7c99bac/FLAG1f9d139f9 [2018-11-23 11:07:41,517 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/710744016/badac69d4e174501960220cfe7c99bac [2018-11-23 11:07:41,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:07:41,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:07:41,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:07:41,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:07:41,534 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:07:41,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54afdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41, skipping insertion in model container [2018-11-23 11:07:41,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:07:41,571 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:07:41,753 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:07:41,779 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:07:41,802 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:07:41,831 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:07:41,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41 WrapperNode [2018-11-23 11:07:41,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:07:41,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:07:41,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:07:41,834 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:07:41,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:07:41,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:07:41,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:07:41,870 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:07:41,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (1/1) ... [2018-11-23 11:07:41,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:07:41,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:07:41,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:07:41,921 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:07:41,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (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 11:07:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2018-11-23 11:07:42,102 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2018-11-23 11:07:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:07:42,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:07:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:07:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 11:07:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:07:42,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:07:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:07:42,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:07:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 11:07:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 11:07:42,587 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:07:42,588 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:07:42,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:42 BoogieIcfgContainer [2018-11-23 11:07:42,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:07:42,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:07:42,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:07:42,593 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:07:42,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:07:41" (1/3) ... [2018-11-23 11:07:42,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4275fac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:07:42, skipping insertion in model container [2018-11-23 11:07:42,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:41" (2/3) ... [2018-11-23 11:07:42,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4275fac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:07:42, skipping insertion in model container [2018-11-23 11:07:42,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:42" (3/3) ... [2018-11-23 11:07:42,597 INFO L112 eAbstractionObserver]: Analyzing ICFG test16_true-unreach-call_true-termination.c [2018-11-23 11:07:42,607 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:07:42,615 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:07:42,634 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:07:42,667 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:07:42,668 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:07:42,668 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:07:42,669 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:07:42,669 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:07:42,669 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:07:42,669 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:07:42,670 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:07:42,670 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:07:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 11:07:42,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 11:07:42,695 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:07:42,696 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:07:42,699 INFO L423 AbstractCegarLoop]: === Iteration 1 === [equalErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:07:42,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:07:42,704 INFO L82 PathProgramCache]: Analyzing trace with hash 390654600, now seen corresponding path program 1 times [2018-11-23 11:07:42,710 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:07:42,710 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 11:07:42,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:07:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:07:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:07:42,855 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:07:43,019 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-11-23 11:07:43,262 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-11-23 11:07:43,270 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 11:07:43,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:07:43,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:07:43,330 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:11 [2018-11-23 11:07:43,520 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 36 [2018-11-23 11:07:43,530 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 8 treesize of output 7 [2018-11-23 11:07:43,536 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 11:07:43,595 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:07:43,597 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2018-11-23 11:07:43,620 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 18 treesize of output 16 [2018-11-23 11:07:43,652 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 11:07:43,757 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:07:43,766 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 11:07:43,768 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 37 [2018-11-23 11:07:43,987 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 42 [2018-11-23 11:07:44,092 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 11:07:44,133 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:07:44,142 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:07:44,152 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:07:44,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:07:44,174 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:70, output treesize:25 [2018-11-23 11:07:44,663 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-23 11:07:44,809 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 33 treesize of output 29 [2018-11-23 11:07:44,831 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 13 treesize of output 5 [2018-11-23 11:07:44,833 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 11:07:44,871 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 13 treesize of output 5 [2018-11-23 11:07:44,874 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 11:07:44,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:07:44,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:07:44,917 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:37, output treesize:11 [2018-11-23 11:07:44,922 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 11:07:44,923 WARN L384 uantifierElimination]: Input elimination task: ∃ [|#memory_int|, equal_~b.base, |equal_#in~a.base|]. (let ((.cse0 (select (select |#memory_int| equal_~b.base) (_ bv0 32))) (.cse1 (select (select |#memory_int| |equal_#in~a.base|) (_ bv0 32)))) (and (= (bvadd .cse0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd .cse1 (_ bv4294967295 32)) (_ bv0 32)) (= .cse0 |equal_#t~mem1|) (= |equal_#t~mem0| .cse1) (not (= equal_~b.base |equal_#in~a.base|)))) [2018-11-23 11:07:44,923 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (bvadd |equal_#t~mem0| (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd |equal_#t~mem1| (_ bv4294967295 32)))) [2018-11-23 11:07:44,959 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-23 11:07:44,966 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(4bv32);call write~init~intINTTYPE4(0bv32, ~#a~0.base, ~#a~0.offset, 4bv32);call ~#b~0.base, ~#b~0.offset := #Ultimate.alloc(4bv32);call write~init~intINTTYPE4(0bv32, ~#b~0.base, ~#b~0.offset, 4bv32);~pa~0.base, ~pa~0.offset := 0bv32, 0bv32;~pb~0.base, ~pb~0.offset := 0bv32, 0bv32; {29#(and (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|))} is VALID [2018-11-23 11:07:44,968 INFO L273 TraceCheckUtils]: 2: Hoare triple {29#(and (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|))} assume true; {29#(and (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|))} is VALID [2018-11-23 11:07:44,970 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {29#(and (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|))} {21#true} #19#return; {29#(and (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|))} is VALID [2018-11-23 11:07:44,973 INFO L256 TraceCheckUtils]: 4: Hoare triple {29#(and (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|))} call #t~ret3 := main(); {29#(and (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|))} is VALID [2018-11-23 11:07:44,975 INFO L273 TraceCheckUtils]: 5: Hoare triple {29#(and (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|))} ~pa~0.base, ~pa~0.offset := ~#a~0.base, ~#a~0.offset;~pb~0.base, ~pb~0.offset := ~#b~0.base, ~#b~0.offset;call write~intINTTYPE4(0bv32, ~#a~0.base, ~#a~0.offset, 4bv32);call write~intINTTYPE4(1bv32, ~#b~0.base, ~#b~0.offset, 4bv32);call #t~mem2 := read~intINTTYPE4(~pb~0.base, ~pb~0.offset, 4bv32);call write~intINTTYPE4(#t~mem2, ~pa~0.base, ~pa~0.offset, 4bv32);havoc #t~mem2; {42#(and (= (_ bv1 32) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (= (_ bv1 32) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|))} is VALID [2018-11-23 11:07:44,983 INFO L256 TraceCheckUtils]: 6: Hoare triple {42#(and (= (_ bv1 32) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (= (_ bv1 32) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|))} call equal(~#a~0.base, ~#a~0.offset, ~#b~0.base, ~#b~0.offset); {46#(and (= (bvadd (select (select |#memory_int| |equal_#in~b.base|) |equal_#in~b.offset|) (_ bv4294967295 32)) (_ bv0 32)) (not (= |equal_#in~a.base| |equal_#in~b.base|)) (= |equal_#in~a.offset| (_ bv0 32)) (= (_ bv1 32) (select (select |#memory_int| |equal_#in~a.base|) |equal_#in~a.offset|)) (= (_ bv0 32) |equal_#in~b.offset|))} is VALID [2018-11-23 11:07:44,985 INFO L273 TraceCheckUtils]: 7: Hoare triple {46#(and (= (bvadd (select (select |#memory_int| |equal_#in~b.base|) |equal_#in~b.offset|) (_ bv4294967295 32)) (_ bv0 32)) (not (= |equal_#in~a.base| |equal_#in~b.base|)) (= |equal_#in~a.offset| (_ bv0 32)) (= (_ bv1 32) (select (select |#memory_int| |equal_#in~a.base|) |equal_#in~a.offset|)) (= (_ bv0 32) |equal_#in~b.offset|))} ~a.base, ~a.offset := #in~a.base, #in~a.offset;~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem0 := read~intINTTYPE4(~a.base, ~a.offset, 4bv32);call #t~mem1 := read~intINTTYPE4(~b.base, ~b.offset, 4bv32); {50#(and (= (_ bv1 32) |equal_#t~mem1|) (= (bvadd |equal_#t~mem0| (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 11:07:44,987 INFO L273 TraceCheckUtils]: 8: Hoare triple {50#(and (= (_ bv1 32) |equal_#t~mem1|) (= (bvadd |equal_#t~mem0| (_ bv4294967295 32)) (_ bv0 32)))} assume #t~mem0 != #t~mem1;havoc #t~mem1;havoc #t~mem0; {22#false} is VALID [2018-11-23 11:07:44,987 INFO L273 TraceCheckUtils]: 9: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-23 11:07:44,990 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 11:07:44,990 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:07:44,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:07:44,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:07:45,001 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-11-23 11:07:45,004 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:07:45,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 11:07:45,047 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 11:07:45,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:07:45,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:07:45,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:07:45,058 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2018-11-23 11:07:45,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:07:45,605 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-23 11:07:45,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:07:45,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-11-23 11:07:45,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:07:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:07:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2018-11-23 11:07:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:07:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2018-11-23 11:07:45,630 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 24 transitions. [2018-11-23 11:07:45,744 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 11:07:45,752 INFO L225 Difference]: With dead ends: 25 [2018-11-23 11:07:45,752 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:07:45,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:07:45,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:07:45,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:07:45,782 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:07:45,783 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:07:45,784 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:07:45,784 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:07:45,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:07:45,785 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:07:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:07:45,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:07:45,785 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:07:45,786 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:07:45,786 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:07:45,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:07:45,786 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:07:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:07:45,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:07:45,787 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:07:45,787 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:07:45,788 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:07:45,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:07:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:07:45,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 11:07:45,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:07:45,790 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:07:45,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:07:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:07:45,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:07:45,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:07:46,297 INFO L448 ceAbstractionStarter]: For program point equalErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-23 11:07:46,297 INFO L448 ceAbstractionStarter]: For program point equalEXIT(lines 4 12) no Hoare annotation was computed. [2018-11-23 11:07:46,298 INFO L451 ceAbstractionStarter]: At program point equalENTRY(lines 4 12) the Hoare annotation is: true [2018-11-23 11:07:46,298 INFO L448 ceAbstractionStarter]: For program point equalFINAL(lines 4 12) no Hoare annotation was computed. [2018-11-23 11:07:46,298 INFO L444 ceAbstractionStarter]: At program point L6(lines 4 12) the Hoare annotation is: (or (not (= |~#a~0.offset| (_ bv0 32))) (= |equal_#in~a.base| |equal_#in~b.base|) (not (= |equal_#in~a.offset| (_ bv0 32))) (not (= (bvadd (select (select |#memory_int| |equal_#in~b.base|) |equal_#in~b.offset|) (_ bv4294967295 32)) (_ bv0 32))) (not (= (_ bv1 32) (select (select |#memory_int| |equal_#in~a.base|) |equal_#in~a.offset|))) (not (= (bvadd (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (_ bv4294967295 32)) (_ bv0 32))) (= |~#a~0.base| |~#b~0.base|) (not (= (_ bv0 32) |equal_#in~b.offset|)) (not (= (_ bv1 32) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (not (= (_ bv0 32) |~#b~0.offset|))) [2018-11-23 11:07:46,299 INFO L448 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-23 11:07:46,299 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:07:46,299 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:07:46,299 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:07:46,299 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:07:46,299 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= (_ bv0 32) |~#b~0.offset|) (not (= |~#b~0.base| |~#a~0.base|)) (= (_ bv0 32) |~#a~0.offset|)) [2018-11-23 11:07:46,300 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:07:46,300 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:07:46,300 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 17 28) the Hoare annotation is: true [2018-11-23 11:07:46,300 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 17 28) no Hoare annotation was computed. [2018-11-23 11:07:46,300 INFO L444 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (or (not (= |~#a~0.offset| (_ bv0 32))) (= |~#a~0.base| |~#b~0.base|) (not (= (_ bv0 32) |~#b~0.offset|)) (and (= (_ bv1 32) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (= (_ bv1 32) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)))) [2018-11-23 11:07:46,301 INFO L448 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-11-23 11:07:46,301 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 17 28) no Hoare annotation was computed. [2018-11-23 11:07:46,303 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:07:46,303 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:07:46,319 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:07:46,319 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:07:46,319 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:07:46,319 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:07:46,320 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2018-11-23 11:07:46,320 WARN L170 areAnnotationChecker]: equalErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 11:07:46,320 WARN L170 areAnnotationChecker]: equalFINAL has no Hoare annotation [2018-11-23 11:07:46,320 WARN L170 areAnnotationChecker]: equalFINAL has no Hoare annotation [2018-11-23 11:07:46,320 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:07:46,320 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:07:46,321 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2018-11-23 11:07:46,321 WARN L170 areAnnotationChecker]: equalEXIT has no Hoare annotation [2018-11-23 11:07:46,321 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:07:46,321 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:07:46,321 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 11:07:46,331 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,332 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,333 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,333 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,337 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,337 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,338 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,338 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:07:46 BoogieIcfgContainer [2018-11-23 11:07:46,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:07:46,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:07:46,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:07:46,342 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:07:46,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:42" (3/4) ... [2018-11-23 11:07:46,347 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:07:46,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure equal [2018-11-23 11:07:46,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:07:46,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:07:46,361 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 11:07:46,361 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 11:07:46,362 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:07:46,415 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test16_true-unreach-call_true-termination.c-witness.graphml [2018-11-23 11:07:46,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:07:46,416 INFO L168 Benchmark]: Toolchain (without parser) took 4887.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -583.1 MB). Peak memory consumption was 153.0 MB. Max. memory is 7.1 GB. [2018-11-23 11:07:46,417 INFO L168 Benchmark]: CDTParser took 0.25 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 11:07:46,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.54 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-11-23 11:07:46,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.77 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 11:07:46,419 INFO L168 Benchmark]: Boogie Preprocessor took 48.42 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 11:07:46,419 INFO L168 Benchmark]: RCFGBuilder took 669.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -784.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:07:46,420 INFO L168 Benchmark]: TraceAbstraction took 3752.00 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 188.2 MB). Peak memory consumption was 188.2 MB. Max. memory is 7.1 GB. [2018-11-23 11:07:46,421 INFO L168 Benchmark]: Witness Printer took 73.20 ms. Allocated memory is still 2.3 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:07:46,425 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 0.25 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 303.54 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.77 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 48.42 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 669.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -784.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3752.00 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 188.2 MB). Peak memory consumption was 188.2 MB. Max. memory is 7.1 GB. * Witness Printer took 73.20 ms. Allocated memory is still 2.3 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant [2018-11-23 11:07:46,434 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,434 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,434 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,435 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,436 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,437 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,437 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 11:07:46,437 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((!(a == 0bv32) || a == b) || !(a == 0bv32)) || !(~bvadd64(unknown-#memory_int-unknown[b][b], 4294967295bv32) == 0bv32)) || !(1bv32 == unknown-#memory_int-unknown[a][a])) || !(~bvadd64(unknown-#memory_int-unknown[b][b], 4294967295bv32) == 0bv32)) || a == b) || !(0bv32 == b)) || !(1bv32 == unknown-#memory_int-unknown[a][a])) || !(0bv32 == b) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 10 SDslu, 21 SDs, 0 SdLazy, 14 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 99 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 139 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 963 SizeOfPredicates, 17 NumberOfNonLiveVariables, 75 ConjunctsInSsa, 19 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...