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/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 19:40:18,921 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 19:40:18,924 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 19:40:18,936 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 19:40:18,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 19:40:18,938 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 19:40:18,939 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 19:40:18,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 19:40:18,945 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 19:40:18,946 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 19:40:18,947 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 19:40:18,948 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 19:40:18,949 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 19:40:18,950 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 19:40:18,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 19:40:18,958 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 19:40:18,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 19:40:18,962 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 19:40:18,969 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 19:40:18,970 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 19:40:18,971 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 19:40:18,972 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 19:40:18,975 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 19:40:18,975 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 19:40:18,975 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 19:40:18,976 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 19:40:18,977 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 19:40:18,977 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 19:40:18,978 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 19:40:18,979 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 19:40:18,979 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 19:40:18,980 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 19:40:18,980 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 19:40:18,981 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 19:40:18,981 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 19:40:18,982 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 19:40:18,982 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 [2018-09-11 19:40:18,998 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 19:40:18,998 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 19:40:18,999 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 19:40:18,999 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 19:40:18,999 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 19:40:19,000 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 19:40:19,000 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-11 19:40:19,000 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 19:40:19,000 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-11 19:40:19,000 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 19:40:19,001 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 19:40:19,001 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 19:40:19,001 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 19:40:19,002 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 19:40:19,002 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 19:40:19,002 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 19:40:19,002 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 19:40:19,002 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 19:40:19,003 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 19:40:19,003 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 19:40:19,003 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 19:40:19,003 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 19:40:19,003 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 19:40:19,004 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 19:40:19,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 19:40:19,004 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 19:40:19,004 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 19:40:19,004 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 19:40:19,005 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 19:40:19,005 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 19:40:19,005 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 19:40:19,005 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 19:40:19,006 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 19:40:19,006 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 19:40:19,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 19:40:19,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 19:40:19,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 19:40:19,113 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 19:40:19,113 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 19:40:19,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-09-11 19:40:19,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c5db5b9/877957d47807436dbaa6403abf0d992d/FLAG47147b2d8 [2018-09-11 19:40:19,623 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 19:40:19,624 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-09-11 19:40:19,631 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c5db5b9/877957d47807436dbaa6403abf0d992d/FLAG47147b2d8 [2018-09-11 19:40:19,654 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c5db5b9/877957d47807436dbaa6403abf0d992d [2018-09-11 19:40:19,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 19:40:19,675 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 19:40:19,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 19:40:19,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 19:40:19,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 19:40:19,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:19,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f90d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19, skipping insertion in model container [2018-09-11 19:40:19,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:19,879 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 19:40:19,929 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:40:19,951 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 19:40:19,959 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:40:19,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19 WrapperNode [2018-09-11 19:40:19,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 19:40:19,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 19:40:19,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 19:40:19,978 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 19:40:19,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:19,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:20,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 19:40:20,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 19:40:20,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 19:40:20,002 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 19:40:20,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:20,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:20,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:20,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:20,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:20,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:20,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (1/1) ... [2018-09-11 19:40:20,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 19:40:20,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 19:40:20,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 19:40:20,026 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 19:40:20,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (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 [2018-09-11 19:40:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 19:40:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 19:40:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_crafted_simple_array_index_value_true_unreach_call__true_termination_i____VERIFIER_assert [2018-09-11 19:40:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_crafted_simple_array_index_value_true_unreach_call__true_termination_i____VERIFIER_assert [2018-09-11 19:40:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 19:40:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 19:40:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 19:40:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 19:40:20,536 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 19:40:20,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:40:20 BoogieIcfgContainer [2018-09-11 19:40:20,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 19:40:20,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 19:40:20,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 19:40:20,542 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 19:40:20,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 07:40:19" (1/3) ... [2018-09-11 19:40:20,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5020f0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:40:20, skipping insertion in model container [2018-09-11 19:40:20,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:40:19" (2/3) ... [2018-09-11 19:40:20,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5020f0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:40:20, skipping insertion in model container [2018-09-11 19:40:20,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:40:20" (3/3) ... [2018-09-11 19:40:20,546 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_true-unreach-call4_true-termination.i [2018-09-11 19:40:20,556 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 19:40:20,563 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 19:40:20,614 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 19:40:20,615 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 19:40:20,615 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 19:40:20,615 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 19:40:20,615 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 19:40:20,615 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 19:40:20,616 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 19:40:20,616 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 19:40:20,616 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 19:40:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-09-11 19:40:20,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-11 19:40:20,642 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:40:20,643 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:40:20,644 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_crafted_simple_array_index_value_true_unreach_call__true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:40:20,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1371636974, now seen corresponding path program 1 times [2018-09-11 19:40:20,653 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:40:20,654 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 12 with the following transitions: [2018-09-11 19:40:20,656 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [25], [53], [54], [55], [57] [2018-09-11 19:40:20,706 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 19:40:20,706 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:40:20,775 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-11 19:40:20,796 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-11 19:40:20,797 INFO L272 AbstractInterpreter]: Visited 11 different actions 11 times. Never merged. Never widened. Never found a fixpoint. Largest state had 6 variables. [2018-09-11 19:40:20,842 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-11 19:40:20,861 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-11 19:40:20,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 07:40:20 BoogieIcfgContainer [2018-09-11 19:40:20,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 19:40:20,863 INFO L168 Benchmark]: Toolchain (without parser) took 1191.38 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -755.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-11 19:40:20,865 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-09-11 19:40:20,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.10 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. [2018-09-11 19:40:20,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.58 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. [2018-09-11 19:40:20,867 INFO L168 Benchmark]: Boogie Preprocessor took 22.67 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. [2018-09-11 19:40:20,868 INFO L168 Benchmark]: RCFGBuilder took 512.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -784.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-09-11 19:40:20,870 INFO L168 Benchmark]: TraceAbstraction took 323.60 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2018-09-11 19:40:20,874 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 300.10 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 24.58 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 22.67 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 512.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -784.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 323.60 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L21] unsigned int array[100000]; [L22] unsigned int index1; [L23] unsigned int index2; [L24] unsigned int loop_entered = 0; [L26] index1 = __VERIFIER_nondet_uint() [L28] index2 = __VERIFIER_nondet_uint() [L31] COND TRUE index1 < index2 [L32] CALL __VERIFIER_assert((index1 < 100000) && (index2 < 100000)) [L11] COND TRUE !(cond) [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. UNKNOWN Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_array_index_value_true-unreach-call4_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_19-40-20-887.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_array_index_value_true-unreach-call4_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_19-40-20-887.csv Received shutdown request...