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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 10:16:37,903 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 10:16:37,906 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 10:16:37,925 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 10:16:37,925 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 10:16:37,927 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 10:16:37,929 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 10:16:37,931 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 10:16:37,934 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 10:16:37,935 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 10:16:37,944 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 10:16:37,945 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 10:16:37,946 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 10:16:37,948 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 10:16:37,950 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 10:16:37,951 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 10:16:37,952 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 10:16:37,954 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 10:16:37,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 10:16:37,957 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 10:16:37,958 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 10:16:37,959 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 10:16:37,961 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-10 10:16:37,961 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-10 10:16:37,961 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-10 10:16:37,962 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-10 10:16:37,963 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-10 10:16:37,964 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-10 10:16:37,964 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-10 10:16:37,966 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-10 10:16:37,966 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-10 10:16:37,966 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-10 10:16:37,970 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-10 10:16:38,001 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 10:16:38,004 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 10:16:38,005 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 10:16:38,005 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 10:16:38,005 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 10:16:38,005 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 10:16:38,006 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 10:16:38,006 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 10:16:38,006 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 10:16:38,006 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 10:16:38,006 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 10:16:38,007 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 10:16:38,007 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 10:16:38,007 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 10:16:38,008 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 10:16:38,008 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 10:16:38,008 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 10:16:38,008 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 10:16:38,008 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 10:16:38,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 10:16:38,009 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 10:16:38,009 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 10:16:38,009 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 10:16:38,009 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 10:16:38,010 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 10:16:38,010 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 10:16:38,010 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 10:16:38,010 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 10:16:38,010 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 10:16:38,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 10:16:38,011 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 10:16:38,011 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 10:16:38,011 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 10:16:38,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 10:16:38,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 10:16:38,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 10:16:38,080 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 10:16:38,080 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 10:16:38,081 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i [2018-09-10 10:16:38,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d587553fb/31c6d5c6812848a28f4971465b16bb61/FLAG565c771b2 [2018-09-10 10:16:38,645 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 10:16:38,646 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i [2018-09-10 10:16:38,653 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d587553fb/31c6d5c6812848a28f4971465b16bb61/FLAG565c771b2 [2018-09-10 10:16:38,671 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d587553fb/31c6d5c6812848a28f4971465b16bb61 [2018-09-10 10:16:38,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 10:16:38,685 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 10:16:38,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 10:16:38,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 10:16:38,693 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 10:16:38,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70aa9606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38, skipping insertion in model container [2018-09-10 10:16:38,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,858 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 10:16:38,894 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:16:38,912 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 10:16:38,920 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:16:38,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38 WrapperNode [2018-09-10 10:16:38,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 10:16:38,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 10:16:38,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 10:16:38,940 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 10:16:38,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 10:16:38,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 10:16:38,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 10:16:38,966 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 10:16:38,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (1/1) ... [2018-09-10 10:16:38,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 10:16:38,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 10:16:38,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 10:16:38,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 10:16:38,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (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 [2018-09-10 10:16:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 10:16:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 10:16:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____variant_true_unreach_call_true_termination_c_i____VERIFIER_assert [2018-09-10 10:16:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____variant_true_unreach_call_true_termination_c_i____VERIFIER_assert [2018-09-10 10:16:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 10:16:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 10:16:39,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 10:16:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 10:16:39,346 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 10:16:39,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:16:39 BoogieIcfgContainer [2018-09-10 10:16:39,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 10:16:39,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 10:16:39,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 10:16:39,351 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 10:16:39,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:16:38" (1/3) ... [2018-09-10 10:16:39,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184e87fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:16:39, skipping insertion in model container [2018-09-10 10:16:39,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:16:38" (2/3) ... [2018-09-10 10:16:39,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184e87fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:16:39, skipping insertion in model container [2018-09-10 10:16:39,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:16:39" (3/3) ... [2018-09-10 10:16:39,355 INFO L112 eAbstractionObserver]: Analyzing ICFG jm2006_variant_true-unreach-call_true-termination.c.i [2018-09-10 10:16:39,365 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 10:16:39,373 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 10:16:39,424 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 10:16:39,425 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 10:16:39,425 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 10:16:39,425 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 10:16:39,426 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 10:16:39,426 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 10:16:39,426 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 10:16:39,426 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 10:16:39,426 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 10:16:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-09-10 10:16:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-10 10:16:39,453 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:16:39,454 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:16:39,455 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____variant_true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:16:39,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1166611892, now seen corresponding path program 1 times [2018-09-10 10:16:39,464 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:16:39,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:16:39,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:16:39,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:16:39,509 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:16:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:16:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:16:39,583 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:16:39,584 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-10 10:16:39,584 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:16:39,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-10 10:16:39,603 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-10 10:16:39,604 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-10 10:16:39,606 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-09-10 10:16:39,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:16:39,627 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2018-09-10 10:16:39,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-10 10:16:39,629 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-09-10 10:16:39,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:16:39,638 INFO L225 Difference]: With dead ends: 35 [2018-09-10 10:16:39,639 INFO L226 Difference]: Without dead ends: 15 [2018-09-10 10:16:39,643 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-10 10:16:39,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-09-10 10:16:39,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-09-10 10:16:39,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-09-10 10:16:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-09-10 10:16:39,683 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2018-09-10 10:16:39,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:16:39,683 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-09-10 10:16:39,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-10 10:16:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-09-10 10:16:39,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-10 10:16:39,685 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:16:39,685 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:16:39,685 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____variant_true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:16:39,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1237566987, now seen corresponding path program 1 times [2018-09-10 10:16:39,686 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:16:39,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:16:39,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:16:39,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:16:39,688 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:16:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:16:40,002 WARN L175 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 14 [2018-09-10 10:16:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:16:40,289 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:16:40,289 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-10 10:16:40,289 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:16:40,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-10 10:16:40,291 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-10 10:16:40,291 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-10 10:16:40,292 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 7 states. [2018-09-10 10:16:40,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:16:40,657 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-09-10 10:16:40,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-10 10:16:40,659 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-09-10 10:16:40,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:16:40,660 INFO L225 Difference]: With dead ends: 23 [2018-09-10 10:16:40,660 INFO L226 Difference]: Without dead ends: 17 [2018-09-10 10:16:40,661 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-09-10 10:16:40,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-09-10 10:16:40,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-09-10 10:16:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-09-10 10:16:40,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-09-10 10:16:40,668 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-09-10 10:16:40,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:16:40,668 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-09-10 10:16:40,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-10 10:16:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-09-10 10:16:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-10 10:16:40,669 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:16:40,669 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:16:40,669 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____variant_true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:16:40,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1322083215, now seen corresponding path program 1 times [2018-09-10 10:16:40,670 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:16:40,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:16:40,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:16:40,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:16:40,672 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:16:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:16:40,869 WARN L175 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-09-10 10:16:41,089 WARN L175 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2018-09-10 10:16:41,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:16:41,119 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:16:41,119 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:16:41,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:16:41,134 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:16:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:16:41,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:16:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:16:41,375 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:16:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:16:41,986 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:16:41,986 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:16:42,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:16:42,002 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:16:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:16:42,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:16:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:16:42,056 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:16:42,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (3)] Exception during sending of exit command (exit): Broken pipe [2018-09-10 10:16:42,147 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:16:42,147 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 8] total 17 [2018-09-10 10:16:42,147 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:16:42,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-10 10:16:42,148 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-10 10:16:42,149 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2018-09-10 10:16:42,151 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 12 states. [2018-09-10 10:16:42,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:16:42,346 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2018-09-10 10:16:42,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-10 10:16:42,346 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2018-09-10 10:16:42,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:16:42,347 INFO L225 Difference]: With dead ends: 21 [2018-09-10 10:16:42,347 INFO L226 Difference]: Without dead ends: 0 [2018-09-10 10:16:42,349 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2018-09-10 10:16:42,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-10 10:16:42,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-10 10:16:42,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-10 10:16:42,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-10 10:16:42,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-09-10 10:16:42,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:16:42,350 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-10 10:16:42,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-10 10:16:42,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-10 10:16:42,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-10 10:16:42,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-10 10:16:42,454 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-10 10:16:42,455 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-10 10:16:42,455 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____variant_true_unreach_call_true_termination_c_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-09-10 10:16:42,455 INFO L429 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____variant_true_unreach_call_true_termination_c_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-09-10 10:16:42,455 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____variant_true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-09-10 10:16:42,455 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-10 10:16:42,456 INFO L426 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-09-10 10:16:42,456 INFO L426 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-09-10 10:16:42,456 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-10 10:16:42,456 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-10 10:16:42,456 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-10 10:16:42,456 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-10 10:16:42,457 INFO L422 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (+ main_~y~0 main_~z~0))) (and (<= .cse0 0) (<= 0 .cse0))) [2018-09-10 10:16:42,457 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 10 28) no Hoare annotation was computed. [2018-09-10 10:16:42,457 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-09-10 10:16:42,457 INFO L422 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: (let ((.cse1 (+ main_~i~0 main_~y~0 main_~z~0)) (.cse0 (+ main_~x~0 main_~j~0))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) [2018-09-10 10:16:42,457 INFO L426 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-09-10 10:16:42,458 INFO L426 ceAbstractionStarter]: For program point L19-4(lines 10 28) no Hoare annotation was computed. [2018-09-10 10:16:42,458 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 10 28) no Hoare annotation was computed. [2018-09-10 10:16:42,458 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 10 28) the Hoare annotation is: true [2018-09-10 10:16:42,458 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-09-10 10:16:42,458 INFO L426 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-09-10 10:16:42,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:16:42 BoogieIcfgContainer [2018-09-10 10:16:42,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 10:16:42,470 INFO L168 Benchmark]: Toolchain (without parser) took 3788.39 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.6 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -615.0 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. [2018-09-10 10:16:42,472 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. [2018-09-10 10:16:42,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.05 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. [2018-09-10 10:16:42,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.27 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. [2018-09-10 10:16:42,474 INFO L168 Benchmark]: Boogie Preprocessor took 23.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 10:16:42,475 INFO L168 Benchmark]: RCFGBuilder took 357.68 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -777.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-09-10 10:16:42,476 INFO L168 Benchmark]: TraceAbstraction took 3122.28 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: 151.5 MB). Peak memory consumption was 151.5 MB. Max. memory is 7.1 GB. [2018-09-10 10:16:42,481 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 252.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 25.27 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 23.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 357.68 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -777.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3122.28 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: 151.5 MB). Peak memory consumption was 151.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x + j <= i + y + z && i + y + z <= x + j - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 46 SDtfs, 14 SDslu, 84 SDs, 0 SdLazy, 69 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 55 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.9s 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 15 NumberOfFragments, 33 HoareAnnotationTreeSize, 10 FomulaSimplifications, 27 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 67 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 9490 SizeOfPredicates, 14 NumberOfNonLiveVariables, 98 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 0/10 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jm2006_variant_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_10-16-42-496.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jm2006_variant_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_10-16-42-496.csv Received shutdown request...