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_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/sum01_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 15:06:07,052 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 15:06:07,054 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 15:06:07,066 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 15:06:07,067 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 15:06:07,068 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 15:06:07,069 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 15:06:07,071 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 15:06:07,073 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 15:06:07,074 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 15:06:07,075 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 15:06:07,075 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 15:06:07,076 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 15:06:07,077 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 15:06:07,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 15:06:07,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 15:06:07,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 15:06:07,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 15:06:07,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 15:06:07,092 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 15:06:07,093 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 15:06:07,094 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 15:06:07,096 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 15:06:07,097 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 15:06:07,097 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 15:06:07,098 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 15:06:07,099 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 15:06:07,100 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 15:06:07,100 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 15:06:07,102 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 15:06:07,102 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 15:06:07,102 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 15:06:07,103 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 15:06:07,103 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 15:06:07,104 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 15:06:07,105 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 15:06:07,105 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-08-08 15:06:07,123 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 15:06:07,123 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 15:06:07,124 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 15:06:07,124 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 15:06:07,124 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 15:06:07,124 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 15:06:07,125 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 15:06:07,125 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-08 15:06:07,125 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 15:06:07,125 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 15:06:07,125 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 15:06:07,126 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 15:06:07,126 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 15:06:07,126 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 15:06:07,127 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 15:06:07,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 15:06:07,127 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 15:06:07,127 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 15:06:07,130 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 15:06:07,131 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 15:06:07,131 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 15:06:07,131 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 15:06:07,131 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 15:06:07,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 15:06:07,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 15:06:07,132 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 15:06:07,132 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 15:06:07,132 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 15:06:07,132 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 15:06:07,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 15:06:07,133 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 15:06:07,133 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 15:06:07,133 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 15:06:07,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 15:06:07,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 15:06:07,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 15:06:07,217 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 15:06:07,217 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 15:06:07,218 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01_true-unreach-call_true-termination.i [2018-08-08 15:06:07,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d877ceff0/75168d62bdae4d5c8a98612990db2e65/FLAGbfafa933a [2018-08-08 15:06:07,691 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 15:06:07,692 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01_true-unreach-call_true-termination.i [2018-08-08 15:06:07,698 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d877ceff0/75168d62bdae4d5c8a98612990db2e65/FLAGbfafa933a [2018-08-08 15:06:07,712 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d877ceff0/75168d62bdae4d5c8a98612990db2e65 [2018-08-08 15:06:07,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 15:06:07,726 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 15:06:07,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 15:06:07,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 15:06:07,736 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 15:06:07,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:06:07" (1/1) ... [2018-08-08 15:06:07,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61598e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:07, skipping insertion in model container [2018-08-08 15:06:07,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:06:07" (1/1) ... [2018-08-08 15:06:07,965 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 15:06:08,018 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 15:06:08,039 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 15:06:08,047 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 15:06:08,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08 WrapperNode [2018-08-08 15:06:08,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 15:06:08,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 15:06:08,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 15:06:08,066 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 15:06:08,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (1/1) ... [2018-08-08 15:06:08,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (1/1) ... [2018-08-08 15:06:08,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 15:06:08,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 15:06:08,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 15:06:08,092 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 15:06:08,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (1/1) ... [2018-08-08 15:06:08,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (1/1) ... [2018-08-08 15:06:08,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (1/1) ... [2018-08-08 15:06:08,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (1/1) ... [2018-08-08 15:06:08,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (1/1) ... [2018-08-08 15:06:08,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (1/1) ... [2018-08-08 15:06:08,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (1/1) ... [2018-08-08 15:06:08,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 15:06:08,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 15:06:08,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 15:06:08,123 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 15:06:08,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (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 15:06:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_sum___true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 15:06:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_sum___true_unreach_call_true_termination_i____VERIFIER_assert [2018-08-08 15:06:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 15:06:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 15:06:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 15:06:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 15:06:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 15:06:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 15:06:08,460 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 15:06:08,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:06:08 BoogieIcfgContainer [2018-08-08 15:06:08,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 15:06:08,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 15:06:08,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 15:06:08,465 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 15:06:08,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 03:06:07" (1/3) ... [2018-08-08 15:06:08,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4b5fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:06:08, skipping insertion in model container [2018-08-08 15:06:08,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:06:08" (2/3) ... [2018-08-08 15:06:08,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4b5fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:06:08, skipping insertion in model container [2018-08-08 15:06:08,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:06:08" (3/3) ... [2018-08-08 15:06:08,469 INFO L112 eAbstractionObserver]: Analyzing ICFG sum01_true-unreach-call_true-termination.i [2018-08-08 15:06:08,480 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 15:06:08,490 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 15:06:08,573 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 15:06:08,574 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 15:06:08,574 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 15:06:08,575 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 15:06:08,575 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 15:06:08,575 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 15:06:08,575 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 15:06:08,575 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 15:06:08,575 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 15:06:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-08-08 15:06:08,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-08-08 15:06:08,609 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 15:06:08,610 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 15:06:08,611 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_sum___true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 15:06:08,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1944976115, now seen corresponding path program 1 times [2018-08-08 15:06:08,622 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 15:06:08,623 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 12 with the following transitions: [2018-08-08 15:06:08,625 INFO L202 CegarAbsIntRunner]: [0], [3], [5], [11], [15], [19], [32], [36], [37], [38], [40] [2018-08-08 15:06:08,685 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-08-08 15:06:08,686 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 15:06:08,774 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 15:06:08,776 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Never found a fixpoint. Largest state had 4 variables. [2018-08-08 15:06:08,810 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 15:06:08,875 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 33.33% of their original sizes. [2018-08-08 15:06:08,876 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 15:06:08,950 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 15:06:08,952 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 15:06:08,952 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-08-08 15:06:08,952 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 15:06:08,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-08-08 15:06:08,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-08-08 15:06:08,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-08-08 15:06:08,968 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2018-08-08 15:06:09,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 15:06:09,091 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2018-08-08 15:06:09,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-08-08 15:06:09,093 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-08-08 15:06:09,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 15:06:09,102 INFO L225 Difference]: With dead ends: 38 [2018-08-08 15:06:09,103 INFO L226 Difference]: Without dead ends: 17 [2018-08-08 15:06:09,107 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-08-08 15:06:09,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-08-08 15:06:09,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2018-08-08 15:06:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-08-08 15:06:09,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-08-08 15:06:09,142 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-08-08 15:06:09,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 15:06:09,143 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-08-08 15:06:09,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-08-08 15:06:09,143 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-08-08 15:06:09,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-08-08 15:06:09,144 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 15:06:09,144 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 15:06:09,145 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_sum___true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 15:06:09,145 INFO L82 PathProgramCache]: Analyzing trace with hash -434120374, now seen corresponding path program 1 times [2018-08-08 15:06:09,146 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 15:06:09,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 13 with the following transitions: [2018-08-08 15:06:09,146 INFO L202 CegarAbsIntRunner]: [0], [3], [5], [11], [15], [19], [23], [26], [36], [37], [38], [40] [2018-08-08 15:06:09,148 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-08-08 15:06:09,148 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 15:06:09,181 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 15:06:09,181 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 15:06:09,210 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 15:06:09,244 INFO L232 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 41.67% of their original sizes. [2018-08-08 15:06:09,245 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 15:06:09,357 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 15:06:09,357 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 15:06:09,358 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-08-08 15:06:09,358 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 15:06:09,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-08-08 15:06:09,359 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-08-08 15:06:09,359 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-08-08 15:06:09,359 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 7 states. [2018-08-08 15:06:09,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 15:06:09,485 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-08-08 15:06:09,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-08-08 15:06:09,487 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-08-08 15:06:09,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 15:06:09,488 INFO L225 Difference]: With dead ends: 21 [2018-08-08 15:06:09,488 INFO L226 Difference]: Without dead ends: 16 [2018-08-08 15:06:09,490 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-08-08 15:06:09,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-08-08 15:06:09,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-08-08 15:06:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-08-08 15:06:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-08-08 15:06:09,497 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2018-08-08 15:06:09,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 15:06:09,497 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-08-08 15:06:09,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-08-08 15:06:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-08-08 15:06:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-08-08 15:06:09,498 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 15:06:09,498 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 15:06:09,499 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loops_sum___true_unreach_call_true_termination_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 15:06:09,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1147228183, now seen corresponding path program 1 times [2018-08-08 15:06:09,499 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 15:06:09,499 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 16 with the following transitions: [2018-08-08 15:06:09,500 INFO L202 CegarAbsIntRunner]: [0], [3], [5], [11], [15], [19], [23], [26], [28], [30], [36], [37], [38], [40] [2018-08-08 15:06:09,501 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-08-08 15:06:09,501 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 15:06:09,658 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-08 15:06:09,658 INFO L272 AbstractInterpreter]: Visited 14 different actions 69 times. Merged at 4 different actions 28 times. Widened at 1 different actions 3 times. Found 1 fixpoints after 1 different actions. Largest state had 5 variables. [2018-08-08 15:06:09,681 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-08-08 15:06:09,695 WARN L205 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-08-08 15:06:09,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 03:06:09 BoogieIcfgContainer [2018-08-08 15:06:09,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 15:06:09,696 INFO L168 Benchmark]: Toolchain (without parser) took 1972.16 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -728.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2018-08-08 15:06:09,698 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-08-08 15:06:09,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.87 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. [2018-08-08 15:06:09,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.09 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. [2018-08-08 15:06:09,701 INFO L168 Benchmark]: Boogie Preprocessor took 25.76 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. [2018-08-08 15:06:09,701 INFO L168 Benchmark]: RCFGBuilder took 338.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-08-08 15:06:09,702 INFO L168 Benchmark]: TraceAbstraction took 1233.68 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. [2018-08-08 15:06:09,707 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 338.87 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 24.09 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 25.76 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 338.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1233.68 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: 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: [L12] int i, n=__VERIFIER_nondet_int(), sn=0; [L12] int i, n=__VERIFIER_nondet_int(), sn=0; [L12] int i, n=__VERIFIER_nondet_int(), sn=0; [L13] COND FALSE !(!(n < 1000 && n >= -1000)) [L14] i=1 [L14] COND TRUE i<=n [L15] sn = sn + (2) [L14] i++ [L14] i++ [L14] COND FALSE !(i<=n) [L17] CALL __VERIFIER_assert(sn==n*(2) || sn == 0) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. UNKNOWN Result, 1.1s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 11 SDslu, 62 SDs, 0 SdLazy, 30 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.8888888888888887 AbsIntWeakeningRatio, 0.5714285714285714 AbsIntAvgWeakeningVarsNumRemoved, 0.23809523809523808 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, 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/sum01_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_15-06-09-728.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sum01_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_15-06-09-728.csv Received shutdown request...