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-new/count_by_1_variant_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 10:17:45,556 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 10:17:45,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 10:17:45,571 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 10:17:45,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 10:17:45,576 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 10:17:45,577 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 10:17:45,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 10:17:45,582 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 10:17:45,582 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 10:17:45,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 10:17:45,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 10:17:45,588 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 10:17:45,589 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 10:17:45,590 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 10:17:45,593 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 10:17:45,594 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 10:17:45,598 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 10:17:45,608 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 10:17:45,613 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 10:17:45,614 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 10:17:45,615 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 10:17:45,617 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-10 10:17:45,625 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 10:17:45,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 10:17:45,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 10:17:45,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 10:17:45,641 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 10:17:45,641 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 10:17:45,642 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 10:17:45,642 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 10:17:45,642 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 10:17:45,642 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 10:17:45,642 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 10:17:45,643 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 10:17:45,643 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 10:17:45,643 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 10:17:45,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 10:17:45,644 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 10:17:45,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 10:17:45,644 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 10:17:45,644 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 10:17:45,645 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 10:17:45,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 10:17:45,645 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 10:17:45,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 10:17:45,645 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 10:17:45,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 10:17:45,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 10:17:45,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 10:17:45,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 10:17:45,647 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-10 10:17:45,647 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 10:17:45,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 10:17:45,647 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 10:17:45,647 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 10:17:45,647 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 10:17:45,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 10:17:45,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 10:17:45,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 10:17:45,718 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 10:17:45,718 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 10:17:45,719 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/count_by_1_variant_true-unreach-call_true-termination.i [2018-09-10 10:17:46,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3b54593/5704705ee778411290e7f3d21633fd83/FLAG580230785 [2018-09-10 10:17:46,226 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 10:17:46,227 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/count_by_1_variant_true-unreach-call_true-termination.i [2018-09-10 10:17:46,233 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3b54593/5704705ee778411290e7f3d21633fd83/FLAG580230785 [2018-09-10 10:17:46,252 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3b54593/5704705ee778411290e7f3d21633fd83 [2018-09-10 10:17:46,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 10:17:46,270 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 10:17:46,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 10:17:46,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 10:17:46,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 10:17:46,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172261e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46, skipping insertion in model container [2018-09-10 10:17:46,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,472 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 10:17:46,504 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:17:46,521 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 10:17:46,525 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 10:17:46,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46 WrapperNode [2018-09-10 10:17:46,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 10:17:46,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 10:17:46,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 10:17:46,537 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 10:17:46,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 10:17:46,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 10:17:46,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 10:17:46,558 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 10:17:46,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (1/1) ... [2018-09-10 10:17:46,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 10:17:46,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 10:17:46,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 10:17:46,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 10:17:46,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (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 10:17:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 10:17:46,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 10:17:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_new_count_by___variant_true_unreach_call_true_termination_i____VERIFIER_assert [2018-09-10 10:17:46,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_new_count_by___variant_true_unreach_call_true_termination_i____VERIFIER_assert [2018-09-10 10:17:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 10:17:46,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 10:17:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 10:17:46,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 10:17:46,893 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 10:17:46,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:17:46 BoogieIcfgContainer [2018-09-10 10:17:46,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 10:17:46,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-10 10:17:46,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-10 10:17:46,898 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-10 10:17:46,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:17:46" (1/3) ... [2018-09-10 10:17:46,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371d4375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:17:46, skipping insertion in model container [2018-09-10 10:17:46,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:17:46" (2/3) ... [2018-09-10 10:17:46,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371d4375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:17:46, skipping insertion in model container [2018-09-10 10:17:46,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:17:46" (3/3) ... [2018-09-10 10:17:46,902 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_1_variant_true-unreach-call_true-termination.i [2018-09-10 10:17:46,912 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-10 10:17:46,919 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-10 10:17:46,967 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-10 10:17:46,968 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-10 10:17:46,968 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-10 10:17:46,968 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-10 10:17:46,968 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-10 10:17:46,968 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-10 10:17:46,968 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-10 10:17:46,968 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-10 10:17:46,968 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-10 10:17:46,987 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-09-10 10:17:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-10 10:17:46,993 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:17:46,994 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:17:46,995 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_new_count_by___variant_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:17:47,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1499015057, now seen corresponding path program 1 times [2018-09-10 10:17:47,004 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:17:47,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:17:47,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:17:47,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:17:47,059 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:17:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:17:47,287 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 10:17:47,290 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-10 10:17:47,290 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-10 10:17:47,290 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-10 10:17:47,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-10 10:17:47,329 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-10 10:17:47,335 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-10 10:17:47,342 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2018-09-10 10:17:47,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:17:47,492 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2018-09-10 10:17:47,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-10 10:17:47,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-09-10 10:17:47,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:17:47,502 INFO L225 Difference]: With dead ends: 43 [2018-09-10 10:17:47,503 INFO L226 Difference]: Without dead ends: 23 [2018-09-10 10:17:47,507 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-10 10:17:47,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-09-10 10:17:47,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2018-09-10 10:17:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-09-10 10:17:47,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-09-10 10:17:47,546 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 11 [2018-09-10 10:17:47,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:17:47,547 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-09-10 10:17:47,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-10 10:17:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-09-10 10:17:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-10 10:17:47,548 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:17:47,549 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:17:47,549 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_new_count_by___variant_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:17:47,549 INFO L82 PathProgramCache]: Analyzing trace with hash 609119753, now seen corresponding path program 1 times [2018-09-10 10:17:47,550 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:17:47,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:17:47,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:17:47,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:17:47,551 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:17:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:17:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:17:47,715 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:17:47,716 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 10:17:47,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:17:47,734 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:17:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:17:47,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:17:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:17:47,989 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:17:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:17:48,297 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:17:48,297 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 10:17:48,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:17:48,315 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-10 10:17:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:17:48,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:17:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:17:48,340 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:17:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-10 10:17:48,394 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:17:48,394 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6, 6, 6] total 11 [2018-09-10 10:17:48,394 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:17:48,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-10 10:17:48,396 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-10 10:17:48,396 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-09-10 10:17:48,397 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 9 states. [2018-09-10 10:17:48,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:17:48,700 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-09-10 10:17:48,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-10 10:17:48,701 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-09-10 10:17:48,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:17:48,704 INFO L225 Difference]: With dead ends: 33 [2018-09-10 10:17:48,704 INFO L226 Difference]: Without dead ends: 31 [2018-09-10 10:17:48,705 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 72 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-10 10:17:48,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-09-10 10:17:48,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2018-09-10 10:17:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-09-10 10:17:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-09-10 10:17:48,712 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 19 [2018-09-10 10:17:48,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:17:48,713 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-09-10 10:17:48,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-10 10:17:48,714 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-09-10 10:17:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-10 10:17:48,715 INFO L368 BasicCegarLoop]: Found error trace [2018-09-10 10:17:48,715 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-09-10 10:17:48,715 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_new_count_by___variant_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-10 10:17:48,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1622260865, now seen corresponding path program 2 times [2018-09-10 10:17:48,716 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-10 10:17:48,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:17:48,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-10 10:17:48,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-10 10:17:48,718 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-10 10:17:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-10 10:17:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-10 10:17:48,903 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:17:48,904 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-10 10:17:48,914 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-10 10:17:48,914 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-10 10:17:48,944 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-10 10:17:48,944 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-10 10:17:48,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:17:49,317 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-10 10:17:49,318 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:17:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-10 10:17:49,430 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-10 10:17:49,430 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 5 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 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-10 10:17:49,446 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-10 10:17:49,447 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-10 10:17:49,468 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-10 10:17:49,469 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-10 10:17:49,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-10 10:17:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-10 10:17:49,482 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-10 10:17:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-10 10:17:49,547 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-10 10:17:49,547 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7, 7, 7] total 14 [2018-09-10 10:17:49,547 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-10 10:17:49,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-10 10:17:49,548 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-10 10:17:49,549 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-10 10:17:49,549 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 13 states. [2018-09-10 10:17:49,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-10 10:17:49,686 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-09-10 10:17:49,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-10 10:17:49,687 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 27 [2018-09-10 10:17:49,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-10 10:17:49,688 INFO L225 Difference]: With dead ends: 37 [2018-09-10 10:17:49,688 INFO L226 Difference]: Without dead ends: 0 [2018-09-10 10:17:49,689 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-09-10 10:17:49,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-10 10:17:49,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-10 10:17:49,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-10 10:17:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-10 10:17:49,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-09-10 10:17:49,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-10 10:17:49,690 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-10 10:17:49,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-10 10:17:49,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-10 10:17:49,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-10 10:17:49,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-10 10:17:49,747 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-10 10:17:49,748 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-10 10:17:49,748 INFO L429 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_new_count_by___variant_true_unreach_call_true_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-09-10 10:17:49,748 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_new_count_by___variant_true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-09-10 10:17:49,748 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-10 10:17:49,748 INFO L426 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-09-10 10:17:49,748 INFO L426 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_new_count_by___variant_true_unreach_call_true_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-09-10 10:17:49,749 INFO L426 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-09-10 10:17:49,749 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-10 10:17:49,749 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-10 10:17:49,749 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-10 10:17:49,749 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-10 10:17:49,749 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 10 16) the Hoare annotation is: true [2018-09-10 10:17:49,749 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 10 16) no Hoare annotation was computed. [2018-09-10 10:17:49,749 INFO L422 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (<= main_~i~0 999999) [2018-09-10 10:17:49,750 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 10 16) no Hoare annotation was computed. [2018-09-10 10:17:49,750 INFO L426 ceAbstractionStarter]: For program point L13-1(lines 12 14) no Hoare annotation was computed. [2018-09-10 10:17:49,750 INFO L426 ceAbstractionStarter]: For program point L12-1(lines 12 14) no Hoare annotation was computed. [2018-09-10 10:17:49,750 INFO L422 ceAbstractionStarter]: At program point L12-3(lines 12 14) the Hoare annotation is: (<= main_~i~0 1000000) [2018-09-10 10:17:49,750 INFO L426 ceAbstractionStarter]: For program point L12-4(lines 12 14) no Hoare annotation was computed. [2018-09-10 10:17:49,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:17:49 BoogieIcfgContainer [2018-09-10 10:17:49,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-10 10:17:49,761 INFO L168 Benchmark]: Toolchain (without parser) took 3495.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -628.5 MB). Peak memory consumption was 118.6 MB. Max. memory is 7.1 GB. [2018-09-10 10:17:49,763 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 10:17:49,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.50 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 10:17:49,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.54 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 10:17:49,765 INFO L168 Benchmark]: Boogie Preprocessor took 20.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 10:17:49,766 INFO L168 Benchmark]: RCFGBuilder took 315.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -800.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2018-09-10 10:17:49,767 INFO L168 Benchmark]: TraceAbstraction took 2865.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 161.1 MB). Peak memory consumption was 161.1 MB. Max. memory is 7.1 GB. [2018-09-10 10:17:49,772 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.50 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 21.54 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 20.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 315.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -800.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2865.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 161.1 MB). Peak memory consumption was 161.1 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: 12]: Loop Invariant Derived loop invariant: i <= 1000000 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 33 SDtfs, 38 SDslu, 134 SDs, 0 SdLazy, 119 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 177 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=2, 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 11 PreInvPairs, 20 NumberOfFragments, 11 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 23 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 10894 SizeOfPredicates, 8 NumberOfNonLiveVariables, 170 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 50/115 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/count_by_1_variant_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-10_10-17-49-788.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_1_variant_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-10_10-17-49-788.csv Received shutdown request...