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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-lit/jm2006_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 03:30:50,158 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 03:30:50,160 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 03:30:50,177 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 03:30:50,178 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 03:30:50,182 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 03:30:50,184 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 03:30:50,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 03:30:50,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 03:30:50,189 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 03:30:50,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 03:30:50,190 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 03:30:50,191 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 03:30:50,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 03:30:50,194 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 03:30:50,195 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 03:30:50,196 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 03:30:50,198 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 03:30:50,200 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 03:30:50,202 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 03:30:50,203 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 03:30:50,204 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 03:30:50,206 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-08 03:30:50,225 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-08-08 03:30:50,256 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 03:30:50,256 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 03:30:50,257 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 03:30:50,257 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 03:30:50,257 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 03:30:50,258 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 03:30:50,258 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 03:30:50,258 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 03:30:50,259 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 03:30:50,259 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 03:30:50,259 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 03:30:50,260 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 03:30:50,260 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 03:30:50,261 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 03:30:50,261 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 03:30:50,261 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 03:30:50,262 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 03:30:50,262 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 03:30:50,262 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 03:30:50,262 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 03:30:50,262 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 03:30:50,262 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 03:30:50,263 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 03:30:50,263 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 03:30:50,263 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 03:30:50,263 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 03:30:50,265 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 03:30:50,265 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 03:30:50,265 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 03:30:50,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 03:30:50,266 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 03:30:50,266 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 03:30:50,266 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 03:30:50,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 03:30:50,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 03:30:50,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 03:30:50,367 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 03:30:50,368 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 03:30:50,369 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006_true-unreach-call_true-termination.c.i [2018-08-08 03:30:50,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f545bbf1/82cdc922c6be449d993c7aaf07ebdd7f/FLAGa925fae54 [2018-08-08 03:30:50,896 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 03:30:50,896 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006_true-unreach-call_true-termination.c.i [2018-08-08 03:30:50,902 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f545bbf1/82cdc922c6be449d993c7aaf07ebdd7f/FLAGa925fae54 [2018-08-08 03:30:50,918 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f545bbf1/82cdc922c6be449d993c7aaf07ebdd7f [2018-08-08 03:30:50,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 03:30:50,932 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 03:30:50,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 03:30:50,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 03:30:50,941 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 03:30:50,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:30:50" (1/1) ... [2018-08-08 03:30:50,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2678d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:50, skipping insertion in model container [2018-08-08 03:30:50,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:30:50" (1/1) ... [2018-08-08 03:30:51,151 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 03:30:51,200 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 03:30:51,217 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 03:30:51,222 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 03:30:51,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51 WrapperNode [2018-08-08 03:30:51,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 03:30:51,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 03:30:51,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 03:30:51,237 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 03:30:51,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (1/1) ... [2018-08-08 03:30:51,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (1/1) ... [2018-08-08 03:30:51,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 03:30:51,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 03:30:51,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 03:30:51,262 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 03:30:51,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (1/1) ... [2018-08-08 03:30:51,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (1/1) ... [2018-08-08 03:30:51,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (1/1) ... [2018-08-08 03:30:51,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (1/1) ... [2018-08-08 03:30:51,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (1/1) ... [2018-08-08 03:30:51,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (1/1) ... [2018-08-08 03:30:51,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (1/1) ... [2018-08-08 03:30:51,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 03:30:51,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 03:30:51,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 03:30:51,285 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 03:30:51,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (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 03:30:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 03:30:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 03:30:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____true_unreach_call_true_termination_c_i____VERIFIER_assert [2018-08-08 03:30:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____true_unreach_call_true_termination_c_i____VERIFIER_assert [2018-08-08 03:30:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 03:30:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 03:30:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 03:30:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 03:30:51,662 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 03:30:51,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:30:51 BoogieIcfgContainer [2018-08-08 03:30:51,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 03:30:51,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 03:30:51,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 03:30:51,667 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 03:30:51,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 03:30:50" (1/3) ... [2018-08-08 03:30:51,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1ede79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:30:51, skipping insertion in model container [2018-08-08 03:30:51,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:30:51" (2/3) ... [2018-08-08 03:30:51,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1ede79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:30:51, skipping insertion in model container [2018-08-08 03:30:51,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:30:51" (3/3) ... [2018-08-08 03:30:51,671 INFO L112 eAbstractionObserver]: Analyzing ICFG jm2006_true-unreach-call_true-termination.c.i [2018-08-08 03:30:51,680 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 03:30:51,688 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 03:30:51,734 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 03:30:51,735 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 03:30:51,735 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 03:30:51,735 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 03:30:51,736 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 03:30:51,736 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 03:30:51,736 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 03:30:51,736 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 03:30:51,736 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 03:30:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-08-08 03:30:51,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-08-08 03:30:51,756 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:51,757 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:51,758 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:51,764 INFO L82 PathProgramCache]: Analyzing trace with hash -269376875, now seen corresponding path program 1 times [2018-08-08 03:30:51,766 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:51,767 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 13 with the following transitions: [2018-08-08 03:30:51,769 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [31], [35], [42], [43], [44], [46] [2018-08-08 03:30:51,844 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:51,844 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:51,926 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:51,927 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Never found a fixpoint. Largest state had 6 variables. [2018-08-08 03:30:51,942 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:52,013 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 25% of their original sizes. [2018-08-08 03:30:52,014 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:52,095 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:52,097 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:52,097 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-08-08 03:30:52,098 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:52,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-08-08 03:30:52,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-08-08 03:30:52,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-08-08 03:30:52,116 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2018-08-08 03:30:52,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:52,316 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2018-08-08 03:30:52,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-08-08 03:30:52,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-08-08 03:30:52,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:52,328 INFO L225 Difference]: With dead ends: 41 [2018-08-08 03:30:52,329 INFO L226 Difference]: Without dead ends: 18 [2018-08-08 03:30:52,332 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 11 GetRequests, 9 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 03:30:52,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-08-08 03:30:52,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2018-08-08 03:30:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-08-08 03:30:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-08-08 03:30:52,372 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2018-08-08 03:30:52,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:52,373 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-08-08 03:30:52,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-08-08 03:30:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-08-08 03:30:52,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-08-08 03:30:52,374 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:52,375 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:52,375 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:52,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1491302328, now seen corresponding path program 1 times [2018-08-08 03:30:52,376 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:52,376 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-08-08 03:30:52,376 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [23], [27], [35], [42], [43], [44], [46] [2018-08-08 03:30:52,380 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:52,383 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:52,429 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 03:30:52,429 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 6 variables. [2018-08-08 03:30:52,444 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 03:30:52,496 INFO L232 lantSequenceWeakener]: Weakened 3 states. On average, predicates are now at 50% of their original sizes. [2018-08-08 03:30:52,497 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 03:30:52,815 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 03:30:52,815 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 03:30:52,815 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-08-08 03:30:52,815 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 03:30:52,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-08-08 03:30:52,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-08-08 03:30:52,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-08-08 03:30:52,817 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 8 states. [2018-08-08 03:30:53,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 03:30:53,088 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-08-08 03:30:53,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-08-08 03:30:53,090 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2018-08-08 03:30:53,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 03:30:53,091 INFO L225 Difference]: With dead ends: 22 [2018-08-08 03:30:53,091 INFO L226 Difference]: Without dead ends: 16 [2018-08-08 03:30:53,094 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-08-08 03:30:53,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-08-08 03:30:53,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-08-08 03:30:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-08-08 03:30:53,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-08-08 03:30:53,110 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2018-08-08 03:30:53,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 03:30:53,110 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-08-08 03:30:53,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-08-08 03:30:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-08-08 03:30:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-08-08 03:30:53,111 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 03:30:53,112 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 03:30:53,112 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_lit_jm_____true_unreach_call_true_termination_c_i____VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 03:30:53,112 INFO L82 PathProgramCache]: Analyzing trace with hash -463336174, now seen corresponding path program 1 times [2018-08-08 03:30:53,116 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 03:30:53,117 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 16 with the following transitions: [2018-08-08 03:30:53,117 INFO L202 CegarAbsIntRunner]: [0], [1], [4], [6], [15], [19], [23], [27], [29], [35], [42], [43], [44], [46] [2018-08-08 03:30:53,120 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 03:30:53,120 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 03:30:53,282 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-08 03:30:53,283 INFO L272 AbstractInterpreter]: Visited 14 different actions 68 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 8 variables. [2018-08-08 03:30:53,307 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-08-08 03:30:53,324 WARN L205 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-08-08 03:30:53,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 03:30:53 BoogieIcfgContainer [2018-08-08 03:30:53,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 03:30:53,330 INFO L168 Benchmark]: Toolchain (without parser) took 2399.13 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -696.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2018-08-08 03:30:53,334 INFO L168 Benchmark]: CDTParser took 0.23 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 03:30:53,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.70 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 03:30:53,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.52 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 03:30:53,336 INFO L168 Benchmark]: Boogie Preprocessor took 23.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 03:30:53,338 INFO L168 Benchmark]: RCFGBuilder took 377.96 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-08-08 03:30:53,340 INFO L168 Benchmark]: TraceAbstraction took 1663.61 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. [2018-08-08 03:30:53,347 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 302.70 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 24.52 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 377.96 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -770.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1663.61 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: 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: [L11] int i, j; [L12] i = __VERIFIER_nondet_int() [L13] j = __VERIFIER_nondet_int() [L14] COND FALSE !(!(i >= 0 && j >= 0)) [L15] int x = i; [L16] int y = j; [L17] COND TRUE x != 0 [L18] x-- [L18] x-- [L19] y-- [L19] y-- [L17] COND FALSE !(x != 0) [L21] COND TRUE i == j [L22] CALL __VERIFIER_assert(y == 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. UNKNOWN Result, 1.5s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 30 SDslu, 66 SDs, 0 SdLazy, 44 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 0.9420289855072465 AbsIntWeakeningRatio, 0.5217391304347826 AbsIntAvgWeakeningVarsNumRemoved, 2.869565217391304 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 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/jm2006_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_03-30-53-370.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jm2006_true-unreach-call_true-termination.c.i_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_03-30-53-370.csv Received shutdown request...