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-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/trex02_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 11:22:29,756 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 11:22:29,758 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 11:22:29,770 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 11:22:29,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 11:22:29,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 11:22:29,773 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 11:22:29,775 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 11:22:29,776 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 11:22:29,777 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 11:22:29,778 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 11:22:29,779 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 11:22:29,780 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 11:22:29,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 11:22:29,784 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 11:22:29,785 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 11:22:29,786 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 11:22:29,788 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 11:22:29,790 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 11:22:29,791 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 11:22:29,793 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 11:22:29,794 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 11:22:29,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-08 11:22:29,805 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-08-08 11:22:29,833 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 11:22:29,834 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 11:22:29,835 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 11:22:29,835 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 11:22:29,835 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 11:22:29,838 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 11:22:29,838 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 11:22:29,838 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 11:22:29,838 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 11:22:29,839 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 11:22:29,839 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 11:22:29,839 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 11:22:29,840 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 11:22:29,840 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 11:22:29,841 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 11:22:29,841 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 11:22:29,841 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 11:22:29,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 11:22:29,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 11:22:29,842 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 11:22:29,842 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 11:22:29,842 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 11:22:29,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 11:22:29,843 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 11:22:29,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 11:22:29,843 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 11:22:29,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 11:22:29,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 11:22:29,845 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 11:22:29,845 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 11:22:29,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 11:22:29,846 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 11:22:29,846 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 11:22:29,846 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 11:22:29,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 11:22:29,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 11:22:29,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 11:22:29,943 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 11:22:29,944 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 11:22:29,945 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex02_true-unreach-call_true-termination.i [2018-08-08 11:22:30,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3a4d74a/fc68f4ca0a2344f5a4772d7be5c0ddad/FLAG41f3bf328 [2018-08-08 11:22:30,398 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 11:22:30,398 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex02_true-unreach-call_true-termination.i [2018-08-08 11:22:30,406 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3a4d74a/fc68f4ca0a2344f5a4772d7be5c0ddad/FLAG41f3bf328 [2018-08-08 11:22:30,421 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3a4d74a/fc68f4ca0a2344f5a4772d7be5c0ddad [2018-08-08 11:22:30,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 11:22:30,435 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 11:22:30,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 11:22:30,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 11:22:30,443 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 11:22:30,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e4400d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30, skipping insertion in model container [2018-08-08 11:22:30,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,626 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 11:22:30,682 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 11:22:30,700 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 11:22:30,706 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 11:22:30,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30 WrapperNode [2018-08-08 11:22:30,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 11:22:30,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 11:22:30,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 11:22:30,728 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 11:22:30,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 11:22:30,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 11:22:30,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 11:22:30,754 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 11:22:30,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (1/1) ... [2018-08-08 11:22:30,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 11:22:30,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 11:22:30,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 11:22:30,781 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 11:22:30,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (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 [2018-08-08 11:22:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 11:22:30,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 11:22:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__foo [2018-08-08 11:22:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__foo [2018-08-08 11:22:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 11:22:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 11:22:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 11:22:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 11:22:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 11:22:30,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 11:22:31,312 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 11:22:31,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:22:31 BoogieIcfgContainer [2018-08-08 11:22:31,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 11:22:31,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 11:22:31,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 11:22:31,322 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 11:22:31,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 11:22:30" (1/3) ... [2018-08-08 11:22:31,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ab854f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 11:22:31, skipping insertion in model container [2018-08-08 11:22:31,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:22:30" (2/3) ... [2018-08-08 11:22:31,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ab854f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 11:22:31, skipping insertion in model container [2018-08-08 11:22:31,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:22:31" (3/3) ... [2018-08-08 11:22:31,327 INFO L112 eAbstractionObserver]: Analyzing ICFG trex02_true-unreach-call_true-termination.i [2018-08-08 11:22:31,339 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 11:22:31,349 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 11:22:31,420 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 11:22:31,421 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 11:22:31,422 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 11:22:31,422 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 11:22:31,422 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 11:22:31,422 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 11:22:31,422 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 11:22:31,423 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 11:22:31,423 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 11:22:31,453 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-08-08 11:22:31,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-08-08 11:22:31,461 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 11:22:31,462 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 11:22:31,463 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 11:22:31,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1587168562, now seen corresponding path program 1 times [2018-08-08 11:22:31,471 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 11:22:31,472 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 12 with the following transitions: [2018-08-08 11:22:31,474 INFO L202 CegarAbsIntRunner]: [0], [1], [7], [27], [31], [34], [36], [42], [43], [44], [50] [2018-08-08 11:22:31,522 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 11:22:31,522 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 11:22:31,569 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 11:22:31,571 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Never found a fixpoint. Largest state had 3 variables. [2018-08-08 11:22:31,604 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 11:22:31,651 INFO L232 lantSequenceWeakener]: Weakened 6 states. On average, predicates are now at 91.67% of their original sizes. [2018-08-08 11:22:31,651 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 11:22:31,663 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 11:22:31,666 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 11:22:31,666 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-08-08 11:22:31,666 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 11:22:31,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-08-08 11:22:31,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-08-08 11:22:31,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-08-08 11:22:31,679 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 3 states. [2018-08-08 11:22:31,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 11:22:31,775 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2018-08-08 11:22:31,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-08-08 11:22:31,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-08-08 11:22:31,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 11:22:31,787 INFO L225 Difference]: With dead ends: 53 [2018-08-08 11:22:31,787 INFO L226 Difference]: Without dead ends: 30 [2018-08-08 11:22:31,791 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-08-08 11:22:31,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-08-08 11:22:31,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 19. [2018-08-08 11:22:31,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-08-08 11:22:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2018-08-08 11:22:31,834 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 11 [2018-08-08 11:22:31,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 11:22:31,835 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2018-08-08 11:22:31,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-08-08 11:22:31,835 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2018-08-08 11:22:31,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-08-08 11:22:31,837 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 11:22:31,837 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 11:22:31,838 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 11:22:31,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1847555599, now seen corresponding path program 1 times [2018-08-08 11:22:31,838 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 11:22:31,839 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 13 with the following transitions: [2018-08-08 11:22:31,839 INFO L202 CegarAbsIntRunner]: [0], [1], [7], [11], [15], [31], [34], [36], [42], [43], [44], [50] [2018-08-08 11:22:31,840 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 11:22:31,841 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 11:22:31,851 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 11:22:31,852 INFO L272 AbstractInterpreter]: Visited 11 different actions 11 times. Never merged. Never widened. Never found a fixpoint. Largest state had 4 variables. [2018-08-08 11:22:31,884 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 11:22:31,923 INFO L232 lantSequenceWeakener]: Weakened 10 states. On average, predicates are now at 79.17% of their original sizes. [2018-08-08 11:22:31,923 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 11:22:32,033 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 11:22:32,034 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 11:22:32,034 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 11:22:32,034 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 11:22:32,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 11:22:32,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 11:22:32,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-08-08 11:22:32,036 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 6 states. [2018-08-08 11:22:32,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 11:22:32,198 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-08-08 11:22:32,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 11:22:32,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-08-08 11:22:32,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 11:22:32,200 INFO L225 Difference]: With dead ends: 30 [2018-08-08 11:22:32,200 INFO L226 Difference]: Without dead ends: 25 [2018-08-08 11:22:32,201 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-08-08 11:22:32,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-08-08 11:22:32,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2018-08-08 11:22:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-08-08 11:22:32,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2018-08-08 11:22:32,209 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2018-08-08 11:22:32,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 11:22:32,209 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2018-08-08 11:22:32,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 11:22:32,210 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-08-08 11:22:32,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-08-08 11:22:32,211 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 11:22:32,211 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 11:22:32,211 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 11:22:32,211 INFO L82 PathProgramCache]: Analyzing trace with hash -333087067, now seen corresponding path program 1 times [2018-08-08 11:22:32,212 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 11:22:32,212 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-08-08 11:22:32,212 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [11], [15], [17], [20], [31], [34], [36], [42], [43], [44], [46], [47], [50] [2018-08-08 11:22:32,214 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 11:22:32,215 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 11:22:32,245 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 11:22:32,258 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 11:22:32,258 INFO L272 AbstractInterpreter]: Visited 17 different actions 17 times. Never merged. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 5 variables. [2018-08-08 11:22:32,275 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 11:22:32,308 INFO L232 lantSequenceWeakener]: Weakened 17 states. On average, predicates are now at 67.16% of their original sizes. [2018-08-08 11:22:32,308 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 11:22:32,532 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 11:22:32,532 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 11:22:32,532 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-08-08 11:22:32,532 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 11:22:32,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-08-08 11:22:32,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-08-08 11:22:32,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-08-08 11:22:32,534 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 8 states. [2018-08-08 11:22:32,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 11:22:32,969 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2018-08-08 11:22:32,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-08-08 11:22:32,971 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-08-08 11:22:32,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 11:22:32,972 INFO L225 Difference]: With dead ends: 25 [2018-08-08 11:22:32,972 INFO L226 Difference]: Without dead ends: 0 [2018-08-08 11:22:32,973 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-08-08 11:22:32,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-08-08 11:22:32,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-08-08 11:22:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-08-08 11:22:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-08-08 11:22:32,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-08-08 11:22:32,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 11:22:32,974 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-08-08 11:22:32,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-08-08 11:22:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-08-08 11:22:32,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-08-08 11:22:32,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-08-08 11:22:33,276 WARN L170 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 7 [2018-08-08 11:22:33,481 WARN L170 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 15 [2018-08-08 11:22:33,713 WARN L170 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2018-08-08 11:22:34,046 WARN L170 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 15 [2018-08-08 11:22:34,096 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-08-08 11:22:34,097 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-08-08 11:22:34,097 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-08-08 11:22:34,097 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__fooEXIT(lines 11 13) no Hoare annotation was computed. [2018-08-08 11:22:34,098 INFO L418 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__fooENTRY(lines 11 13) the Hoare annotation is: (let ((.cse1 (* 2 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0)|))) (let ((.cse0 (< .cse1 2)) (.cse2 (* 2 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0))) (and (or .cse0 (< 4294967292 .cse1) (<= .cse2 4294967292)) (or .cse0 (< 4294967294 .cse1) (and (<= .cse2 4294967294) (<= 2 .cse2)))))) [2018-08-08 11:22:34,098 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__fooFINAL(lines 11 13) no Hoare annotation was computed. [2018-08-08 11:22:34,098 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-08-08 11:22:34,098 INFO L418 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (* 2 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0))) (and (<= .cse0 0) (<= 0 .cse0))) [2018-08-08 11:22:34,098 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-08-08 11:22:34,098 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-08-08 11:22:34,099 INFO L418 ceAbstractionStarter]: At program point mainENTRY(lines 14 22) the Hoare annotation is: (let ((.cse1 (* 2 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0)|))) (or (let ((.cse0 (* 2 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0))) (and (<= .cse0 0) (<= 0 .cse0))) (< .cse1 0) (< 0 .cse1))) [2018-08-08 11:22:34,099 INFO L422 ceAbstractionStarter]: For program point mainEXIT(lines 14 22) no Hoare annotation was computed. [2018-08-08 11:22:34,099 INFO L418 ceAbstractionStarter]: At program point L19(line 19) the Hoare annotation is: (let ((.cse0 (* 2 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0)|))) (or (< .cse0 0) (< 0 .cse0) (let ((.cse1 (* 2 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0))) (and (<= .cse1 4294967294) (<= 2 .cse1))))) [2018-08-08 11:22:34,099 INFO L422 ceAbstractionStarter]: For program point L18(lines 18 19) no Hoare annotation was computed. [2018-08-08 11:22:34,100 INFO L418 ceAbstractionStarter]: At program point L19-1(lines 16 20) the Hoare annotation is: (let ((.cse0 (* 2 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0)|))) (or (< .cse0 0) (< 0 .cse0) (let ((.cse1 (* 2 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0))) (and (<= .cse1 4294967294) (<= 0 (+ .cse1 4294967296)))))) [2018-08-08 11:22:34,100 INFO L418 ceAbstractionStarter]: At program point L18-1(line 18) the Hoare annotation is: (let ((.cse0 (* 2 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0)|))) (or (< .cse0 0) (< 0 .cse0) (let ((.cse1 (* 2 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0))) (and (<= .cse1 4294967294) (<= 2 .cse1))))) [2018-08-08 11:22:34,100 INFO L422 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-08-08 11:22:34,100 INFO L418 ceAbstractionStarter]: At program point L16-3(lines 16 20) the Hoare annotation is: (let ((.cse1 (* 2 |old(~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0)|))) (or (let ((.cse0 (* 2 ~__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x~0))) (and (<= .cse0 0) (<= 0 (+ .cse0 4294967296)))) (< .cse1 0) (< 0 .cse1))) [2018-08-08 11:22:34,101 INFO L422 ceAbstractionStarter]: For program point mainFINAL(lines 14 22) no Hoare annotation was computed. [2018-08-08 11:22:34,101 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-08-08 11:22:34,101 INFO L422 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-08-08 11:22:34,101 INFO L422 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i____VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-08-08 11:22:34,101 INFO L425 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i____VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-08-08 11:22:34,102 INFO L422 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-08-08 11:22:34,102 INFO L422 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-08-08 11:22:34,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 11:22:34 BoogieIcfgContainer [2018-08-08 11:22:34,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 11:22:34,113 INFO L168 Benchmark]: Toolchain (without parser) took 3679.52 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -705.8 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. [2018-08-08 11:22:34,114 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 11:22:34,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.93 ms. Allocated memory is still 1.6 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. [2018-08-08 11:22:34,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.72 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 11:22:34,117 INFO L168 Benchmark]: Boogie Preprocessor took 24.53 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 11:22:34,117 INFO L168 Benchmark]: RCFGBuilder took 534.58 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -815.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2018-08-08 11:22:34,118 INFO L168 Benchmark]: TraceAbstraction took 2798.29 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: 99.3 MB). Peak memory consumption was 99.3 MB. Max. memory is 7.1 GB. [2018-08-08 11:22:34,123 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 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 290.93 ms. Allocated memory is still 1.6 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 25.72 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.53 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 534.58 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -815.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2798.29 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: 99.3 MB). Peak memory consumption was 99.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 16]: Loop Invariant Derived loop invariant: (2 * \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x) < 0 || 0 < 2 * \old(__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x)) || (2 * __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x <= 4294967294 && 0 <= 2 * __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_trex___true_unreach_call_true_termination_i__x + 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 68 SDtfs, 57 SDslu, 133 SDs, 0 SdLazy, 73 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.8991452991452993 AbsIntWeakeningRatio, 0.358974358974359 AbsIntAvgWeakeningVarsNumRemoved, 5.358974358974359 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 15 PreInvPairs, 20 NumberOfFragments, 181 HoareAnnotationTreeSize, 15 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 295 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: No data available, 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/trex02_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_11-22-34-138.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/trex02_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_11-22-34-138.csv Received shutdown request...