java -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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-benchs/interpolation2_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:45:19,764 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:45:19,766 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:45:19,779 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:45:19,779 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:45:19,780 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:45:19,782 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:45:19,783 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:45:19,785 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:45:19,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:45:19,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:45:19,788 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:45:19,789 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:45:19,790 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:45:19,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:45:19,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:45:19,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:45:19,795 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:45:19,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:45:19,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:45:19,800 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:45:19,801 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:45:19,803 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:45:19,804 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:45:19,804 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:45:19,805 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:45:19,806 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:45:19,807 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:45:19,808 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:45:19,809 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:45:19,809 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:45:19,810 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 15:45:19,810 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:45:19,811 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:45:19,812 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:45:19,812 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:45:19,813 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 [2018-09-19 15:45:19,831 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:45:19,831 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:45:19,832 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:45:19,832 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:45:19,833 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:45:19,833 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:45:19,836 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:45:19,837 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:45:19,837 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:45:19,837 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:45:19,837 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:45:19,837 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:45:19,838 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:45:19,838 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:45:19,838 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:45:19,838 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:45:19,838 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:45:19,839 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:45:19,839 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:45:19,839 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:45:19,839 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:45:19,839 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:45:19,840 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:45:19,840 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:45:19,840 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:45:19,840 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:45:19,840 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:45:19,841 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:45:19,841 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:45:19,841 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:45:19,841 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:45:19,841 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:45:19,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:45:19,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:45:19,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:45:19,925 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:45:19,925 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:45:19,926 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/interpolation2_true-unreach-call_true-termination.c [2018-09-19 15:45:20,280 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f3febb2/94825e539d6a4bc49a90a13f8ab108ff/FLAGba843dcc5 [2018-09-19 15:45:20,440 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:45:20,441 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/interpolation2_true-unreach-call_true-termination.c [2018-09-19 15:45:20,447 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f3febb2/94825e539d6a4bc49a90a13f8ab108ff/FLAGba843dcc5 [2018-09-19 15:45:20,462 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f3febb2/94825e539d6a4bc49a90a13f8ab108ff [2018-09-19 15:45:20,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:45:20,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:45:20,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:45:20,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:45:20,483 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:45:20,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:45:20" (1/1) ... [2018-09-19 15:45:20,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12183745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20, skipping insertion in model container [2018-09-19 15:45:20,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:45:20" (1/1) ... [2018-09-19 15:45:20,500 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:45:20,791 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:45:20,815 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:45:20,846 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:45:20,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20 WrapperNode [2018-09-19 15:45:20,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:45:20,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:45:20,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:45:20,876 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:45:20,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20" (1/1) ... [2018-09-19 15:45:20,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20" (1/1) ... [2018-09-19 15:45:20,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20" (1/1) ... [2018-09-19 15:45:20,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20" (1/1) ... [2018-09-19 15:45:20,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20" (1/1) ... [2018-09-19 15:45:20,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20" (1/1) ... [2018-09-19 15:45:20,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20" (1/1) ... [2018-09-19 15:45:20,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:45:20,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:45:20,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:45:20,945 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:45:20,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20" (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 [2018-09-19 15:45:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:45:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:45:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 15:45:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:45:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:45:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 15:45:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-09-19 15:45:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 15:45:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:45:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:45:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:45:25,540 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:45:25,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:45:25 BoogieIcfgContainer [2018-09-19 15:45:25,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:45:25,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:45:25,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:45:25,552 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:45:25,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:45:20" (1/3) ... [2018-09-19 15:45:25,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffd7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:45:25, skipping insertion in model container [2018-09-19 15:45:25,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:45:20" (2/3) ... [2018-09-19 15:45:25,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffd7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:45:25, skipping insertion in model container [2018-09-19 15:45:25,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:45:25" (3/3) ... [2018-09-19 15:45:25,563 INFO L112 eAbstractionObserver]: Analyzing ICFG interpolation2_true-unreach-call_true-termination.c [2018-09-19 15:45:25,573 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:45:25,581 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:45:25,630 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:45:25,631 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:45:25,631 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:45:25,631 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:45:25,632 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:45:25,632 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:45:25,632 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:45:25,632 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:45:25,633 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:45:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-09-19 15:45:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-19 15:45:25,660 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:45:25,662 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:45:25,665 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:45:25,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2127831134, now seen corresponding path program 1 times [2018-09-19 15:45:25,676 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:45:25,677 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 15:45:25,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:45:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:45:26,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:45:26,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 15:45:26,098 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:45:26,116 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:45:26,116 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 15:45:26,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 15:45:26,138 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 15:45:26,139 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 15:45:26,142 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-09-19 15:45:26,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:45:26,163 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-09-19 15:45:26,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 15:45:26,165 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-09-19 15:45:26,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:45:26,174 INFO L225 Difference]: With dead ends: 35 [2018-09-19 15:45:26,174 INFO L226 Difference]: Without dead ends: 15 [2018-09-19 15:45:26,178 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 15:45:26,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-09-19 15:45:26,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-09-19 15:45:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-09-19 15:45:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-09-19 15:45:26,212 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2018-09-19 15:45:26,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:45:26,213 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2018-09-19 15:45:26,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 15:45:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-19 15:45:26,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-19 15:45:26,214 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:45:26,214 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:45:26,215 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:45:26,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1608824159, now seen corresponding path program 1 times [2018-09-19 15:45:26,216 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:45:26,216 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 15:45:26,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:45:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:45:26,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:45:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 15:45:26,635 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:45:26,648 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:45:26,649 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-19 15:45:26,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-19 15:45:26,650 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-19 15:45:26,651 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-19 15:45:26,651 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 3 states. [2018-09-19 15:45:28,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:45:28,983 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2018-09-19 15:45:28,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-19 15:45:28,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-09-19 15:45:28,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:45:28,989 INFO L225 Difference]: With dead ends: 26 [2018-09-19 15:45:28,989 INFO L226 Difference]: Without dead ends: 20 [2018-09-19 15:45:28,990 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-19 15:45:28,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-09-19 15:45:28,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2018-09-19 15:45:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-09-19 15:45:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-09-19 15:45:28,995 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2018-09-19 15:45:28,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:45:28,996 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-09-19 15:45:28,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-19 15:45:28,996 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-19 15:45:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-19 15:45:28,997 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:45:28,997 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:45:28,997 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:45:28,997 INFO L82 PathProgramCache]: Analyzing trace with hash -137187415, now seen corresponding path program 1 times [2018-09-19 15:45:28,998 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:45:28,998 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-19 15:45:29,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:45:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:45:29,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:45:31,635 INFO L303 Elim1Store]: Index analysis took 2040 ms [2018-09-19 15:45:31,641 INFO L477 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 28 treesize of output 31 [2018-09-19 15:45:35,692 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv5 32)) (select v_arrayElimArr_1 (_ bv0 32))) [2018-09-19 15:45:35,693 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:35,697 INFO L303 Elim1Store]: Index analysis took 4053 ms [2018-09-19 15:45:35,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 41 [2018-09-19 15:45:39,760 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_2 (_ bv1 32)) (select v_arrayElimArr_2 (_ bv0 32))) [2018-09-19 15:45:39,762 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:41,765 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv4294967286 32)) (select v_arrayElimArr_2 (_ bv1 32))) [2018-09-19 15:45:41,767 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:43,806 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv4294967286 32)) (select v_arrayElimArr_2 (_ bv0 32))) [2018-09-19 15:45:43,807 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:43,812 INFO L303 Elim1Store]: Index analysis took 8109 ms [2018-09-19 15:45:43,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 67 [2018-09-19 15:45:47,876 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_3 (_ bv0 32)) (select v_arrayElimArr_3 (_ bv1 32))) [2018-09-19 15:45:47,877 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:49,887 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_3 (_ bv1 32)) (select v_arrayElimArr_3 (_ bv2 32))) [2018-09-19 15:45:49,888 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:51,891 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv30 32)) (select v_arrayElimArr_3 (_ bv1 32))) [2018-09-19 15:45:51,894 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:53,909 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_3 (_ bv0 32)) (select v_arrayElimArr_3 (_ bv2 32))) [2018-09-19 15:45:53,910 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:55,924 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_3 (_ bv0 32)) ((_ to_fp 8 24) RNE (_ bv30 32))) [2018-09-19 15:45:55,926 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:57,938 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv30 32)) (select v_arrayElimArr_3 (_ bv2 32))) [2018-09-19 15:45:57,939 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:45:57,944 INFO L303 Elim1Store]: Index analysis took 14125 ms [2018-09-19 15:45:57,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 109 [2018-09-19 15:46:01,981 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_4 (_ bv0 32)) (select v_arrayElimArr_4 (_ bv1 32))) [2018-09-19 15:46:01,982 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:03,994 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_4 (_ bv3 32)) (select v_arrayElimArr_4 (_ bv1 32))) [2018-09-19 15:46:03,995 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:06,001 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_4 (_ bv2 32)) (select v_arrayElimArr_4 (_ bv1 32))) [2018-09-19 15:46:06,003 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:08,008 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv20 32)) (select v_arrayElimArr_4 (_ bv1 32))) [2018-09-19 15:46:08,010 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:10,025 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_4 (_ bv0 32)) (select v_arrayElimArr_4 (_ bv3 32))) [2018-09-19 15:46:10,026 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:12,038 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_4 (_ bv2 32)) (select v_arrayElimArr_4 (_ bv0 32))) [2018-09-19 15:46:12,056 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:14,072 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv20 32)) (select v_arrayElimArr_4 (_ bv0 32))) [2018-09-19 15:46:14,073 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:16,082 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_4 (_ bv2 32)) (select v_arrayElimArr_4 (_ bv3 32))) [2018-09-19 15:46:16,083 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:18,097 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv20 32)) (select v_arrayElimArr_4 (_ bv3 32))) [2018-09-19 15:46:18,098 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:20,127 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv20 32)) (select v_arrayElimArr_4 (_ bv2 32))) [2018-09-19 15:46:20,133 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:46:20,138 INFO L303 Elim1Store]: Index analysis took 22184 ms [2018-09-19 15:46:20,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 164 [2018-09-19 15:46:20,144 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-09-19 15:47:16,647 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:47:40,786 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:48:04,988 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:48:29,152 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:49:19,671 INFO L303 Elim1Store]: Index analysis took 2030 ms [2018-09-19 15:49:19,672 INFO L477 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 28 treesize of output 31 [2018-09-19 15:49:23,699 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv12 32)) (select v_arrayElimArr_5 (_ bv0 32))) [2018-09-19 15:49:23,702 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:23,707 INFO L303 Elim1Store]: Index analysis took 4033 ms [2018-09-19 15:49:23,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 41 [2018-09-19 15:49:27,760 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_6 (_ bv1 32)) (select v_arrayElimArr_6 (_ bv0 32))) [2018-09-19 15:49:27,761 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:29,778 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv30 32)) (select v_arrayElimArr_6 (_ bv1 32))) [2018-09-19 15:49:29,779 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:31,787 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv30 32)) (select v_arrayElimArr_6 (_ bv0 32))) [2018-09-19 15:49:31,788 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:31,792 INFO L303 Elim1Store]: Index analysis took 8080 ms [2018-09-19 15:49:31,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 67 [2018-09-19 15:49:35,832 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_7 (_ bv1 32)) (select v_arrayElimArr_7 (_ bv0 32))) [2018-09-19 15:49:35,833 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:37,846 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_7 (_ bv1 32)) (select v_arrayElimArr_7 (_ bv2 32))) [2018-09-19 15:49:37,847 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:39,870 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_7 (_ bv1 32)) ((_ to_fp 8 24) RNE (_ bv150 32))) [2018-09-19 15:49:39,871 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:41,880 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_7 (_ bv0 32)) (select v_arrayElimArr_7 (_ bv2 32))) [2018-09-19 15:49:41,899 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:43,913 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv150 32)) (select v_arrayElimArr_7 (_ bv0 32))) [2018-09-19 15:49:43,914 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:45,925 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv150 32)) (select v_arrayElimArr_7 (_ bv2 32))) [2018-09-19 15:49:45,925 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:45,930 INFO L303 Elim1Store]: Index analysis took 14131 ms [2018-09-19 15:49:45,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 109 [2018-09-19 15:49:49,975 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_8 (_ bv0 32)) (select v_arrayElimArr_8 (_ bv1 32))) [2018-09-19 15:49:49,976 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:51,990 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_8 (_ bv1 32)) (select v_arrayElimArr_8 (_ bv3 32))) [2018-09-19 15:49:51,992 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:53,996 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_8 (_ bv2 32)) (select v_arrayElimArr_8 (_ bv1 32))) [2018-09-19 15:49:53,997 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:56,005 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv300 32)) (select v_arrayElimArr_8 (_ bv1 32))) [2018-09-19 15:49:56,007 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:49:58,017 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_8 (_ bv0 32)) (select v_arrayElimArr_8 (_ bv3 32))) [2018-09-19 15:49:58,018 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:50:00,030 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_8 (_ bv2 32)) (select v_arrayElimArr_8 (_ bv0 32))) [2018-09-19 15:50:00,046 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:50:02,055 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv300 32)) (select v_arrayElimArr_8 (_ bv0 32))) [2018-09-19 15:50:02,056 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:50:04,067 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_8 (_ bv2 32)) (select v_arrayElimArr_8 (_ bv3 32))) [2018-09-19 15:50:04,068 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:50:06,082 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv300 32)) (select v_arrayElimArr_8 (_ bv3 32))) [2018-09-19 15:50:06,083 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:50:08,090 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= ((_ to_fp 8 24) RNE (_ bv300 32)) (select v_arrayElimArr_8 (_ bv2 32))) [2018-09-19 15:50:08,107 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 15:50:08,113 INFO L303 Elim1Store]: Index analysis took 22174 ms [2018-09-19 15:50:08,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 164 [2018-09-19 15:50:08,117 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. Received shutdown request... [2018-09-19 15:50:14,187 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-19 15:50:14,388 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2018-09-19 15:50:14,388 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 15:50:14,394 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 15:50:14,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:50:14 BoogieIcfgContainer [2018-09-19 15:50:14,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 15:50:14,396 INFO L168 Benchmark]: Toolchain (without parser) took 293923.21 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 728.8 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -637.2 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. [2018-09-19 15:50:14,397 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:50:14,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.36 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. [2018-09-19 15:50:14,399 INFO L168 Benchmark]: Boogie Preprocessor took 63.28 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. [2018-09-19 15:50:14,400 INFO L168 Benchmark]: RCFGBuilder took 4596.74 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 728.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -779.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2018-09-19 15:50:14,401 INFO L168 Benchmark]: TraceAbstraction took 288849.07 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 132.0 MB). Peak memory consumption was 132.0 MB. Max. memory is 7.1 GB. [2018-09-19 15:50:14,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 399.36 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 Preprocessor took 63.28 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 4596.74 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 728.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -779.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 288849.07 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 132.0 MB). Peak memory consumption was 132.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 60. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. TIMEOUT Result, 288.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 34 SDtfs, 3 SDslu, 9 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 SizeOfPredicates, 1 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown