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/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 23:37:28,585 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 23:37:28,588 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 23:37:28,602 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 23:37:28,602 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 23:37:28,603 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 23:37:28,605 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 23:37:28,606 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 23:37:28,608 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 23:37:28,609 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 23:37:28,610 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 23:37:28,610 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 23:37:28,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 23:37:28,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 23:37:28,614 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 23:37:28,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 23:37:28,617 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 23:37:28,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 23:37:28,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 23:37:28,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 23:37:28,631 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 23:37:28,635 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 23:37:28,640 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-30 23:37:28,656 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 23:37:28,687 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 23:37:28,687 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 23:37:28,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 23:37:28,689 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 23:37:28,692 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 23:37:28,693 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 23:37:28,693 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 23:37:28,693 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 23:37:28,693 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 23:37:28,693 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 23:37:28,694 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 23:37:28,694 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 23:37:28,694 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 23:37:28,694 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 23:37:28,695 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 23:37:28,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 23:37:28,696 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 23:37:28,696 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 23:37:28,696 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 23:37:28,697 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 23:37:28,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 23:37:28,698 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 23:37:28,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 23:37:28,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 23:37:28,698 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 23:37:28,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 23:37:28,699 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 23:37:28,699 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 23:37:28,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 23:37:28,699 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 23:37:28,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 23:37:28,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 23:37:28,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 23:37:28,797 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 23:37:28,797 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 23:37:28,798 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl [2018-09-30 23:37:28,798 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl' [2018-09-30 23:37:28,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 23:37:28,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 23:37:28,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 23:37:28,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 23:37:28,874 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 23:37:28,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (1/1) ... [2018-09-30 23:37:28,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (1/1) ... [2018-09-30 23:37:28,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 23:37:28,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 23:37:28,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 23:37:28,918 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 23:37:28,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (1/1) ... [2018-09-30 23:37:28,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (1/1) ... [2018-09-30 23:37:28,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (1/1) ... [2018-09-30 23:37:28,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (1/1) ... [2018-09-30 23:37:28,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (1/1) ... [2018-09-30 23:37:28,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (1/1) ... [2018-09-30 23:37:28,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (1/1) ... [2018-09-30 23:37:28,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 23:37:28,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 23:37:28,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 23:37:28,941 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 23:37:28,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (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 [2018-09-30 23:37:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 23:37:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 23:37:29,330 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 23:37:29,331 INFO L202 PluginConnector]: Adding new model mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:37:29 BoogieIcfgContainer [2018-09-30 23:37:29,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 23:37:29,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 23:37:29,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 23:37:29,337 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 23:37:29,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:37:28" (1/2) ... [2018-09-30 23:37:29,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b54a7c2 and model type mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 11:37:29, skipping insertion in model container [2018-09-30 23:37:29,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:37:29" (2/2) ... [2018-09-30 23:37:29,341 INFO L112 eAbstractionObserver]: Analyzing ICFG mcmillan2006.c.i_3.bpl [2018-09-30 23:37:29,353 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 23:37:29,363 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 23:37:29,423 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 23:37:29,424 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 23:37:29,424 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 23:37:29,424 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 23:37:29,424 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 23:37:29,425 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 23:37:29,425 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 23:37:29,425 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 23:37:29,425 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 23:37:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 23:37:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 23:37:29,455 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:37:29,457 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 23:37:29,458 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:37:29,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:37:29,466 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-09-30 23:37:29,468 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:37:29,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:37:29,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:37:29,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:37:29,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:37:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:37:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:37:29,637 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:37:29,637 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:37:29,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:37:29,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:37:29,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:37:29,657 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-09-30 23:37:29,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:37:29,726 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-30 23:37:29,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:37:29,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-30 23:37:29,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:37:29,740 INFO L225 Difference]: With dead ends: 11 [2018-09-30 23:37:29,740 INFO L226 Difference]: Without dead ends: 7 [2018-09-30 23:37:29,749 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:37:29,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-30 23:37:29,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-30 23:37:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-30 23:37:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 23:37:29,799 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-30 23:37:29,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:37:29,800 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-30 23:37:29,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:37:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 23:37:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 23:37:29,801 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:37:29,801 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-30 23:37:29,801 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:37:29,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:37:29,802 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-09-30 23:37:29,802 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:37:29,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:37:29,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:37:29,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:37:29,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:37:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:37:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:37:30,050 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 23:37:30,050 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 23:37:30,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:37:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:37:30,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 23:37:30,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-30 23:37:30,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-30 23:37:30,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-30 23:37:30,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-30 23:37:30,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-30 23:37:30,201 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-09-30 23:37:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:37:30,282 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 23:37:30,282 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-09-30 23:37:30,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-30 23:37:30,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-30 23:37:30,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-30 23:37:30,285 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-09-30 23:37:30,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:37:30,345 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-09-30 23:37:30,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 23:37:30,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-09-30 23:37:30,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:37:30,346 INFO L225 Difference]: With dead ends: 7 [2018-09-30 23:37:30,346 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 23:37:30,350 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-30 23:37:30,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 23:37:30,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 23:37:30,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 23:37:30,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 23:37:30,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-30 23:37:30,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:37:30,353 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 23:37:30,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-30 23:37:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 23:37:30,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 23:37:30,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 23:37:30,547 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-30 23:37:30,550 INFO L422 ceAbstractionStarter]: At program point L65(lines 50 65) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~x~7.offset 0))) (or (and (= ULTIMATE.start_main_~i~8 0) .cse0) (and .cse0 (= 0 (select (select |#memory_int| ULTIMATE.start_main_~x~7.base) 0))))) [2018-09-30 23:37:30,551 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 9 83) no Hoare annotation was computed. [2018-09-30 23:37:30,551 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 9 83) no Hoare annotation was computed. [2018-09-30 23:37:30,551 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 9 83) no Hoare annotation was computed. [2018-09-30 23:37:30,552 INFO L422 ceAbstractionStarter]: At program point L53(lines 53 66) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~x~7.offset 0))) (or (and (= ULTIMATE.start_main_~i~8 0) .cse0) (and .cse0 (= 0 (select (select |#memory_int| ULTIMATE.start_main_~x~7.base) 0))))) [2018-09-30 23:37:30,552 INFO L422 ceAbstractionStarter]: At program point L80(lines 80 81) the Hoare annotation is: false [2018-09-30 23:37:30,552 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 82) no Hoare annotation was computed. [2018-09-30 23:37:30,573 INFO L202 PluginConnector]: Adding new model mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 11:37:30 BoogieIcfgContainer [2018-09-30 23:37:30,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 23:37:30,574 INFO L168 Benchmark]: Toolchain (without parser) took 1703.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2018-09-30 23:37:30,576 INFO L168 Benchmark]: Boogie PL CUP Parser 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. [2018-09-30 23:37:30,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 23:37:30,578 INFO L168 Benchmark]: Boogie Preprocessor took 22.79 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 23:37:30,579 INFO L168 Benchmark]: RCFGBuilder took 390.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 23:37:30,580 INFO L168 Benchmark]: TraceAbstraction took 1241.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-09-30 23:37:30,587 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser 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. * Boogie Procedure Inliner took 43.80 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. * Boogie Preprocessor took 22.79 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. * RCFGBuilder took 390.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1241.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (main_~i~8 == 0 && main_~x~7.offset == 0) || (main_~x~7.offset == 0 && 0 == #memory_int[main_~x~7.base][0]) - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (main_~i~8 == 0 && main_~x~7.offset == 0) || (main_~x~7.offset == 0 && 0 == #memory_int[main_~x~7.base][0]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 5 NumberOfFragments, 39 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 311 SizeOfPredicates, 14 NumberOfNonLiveVariables, 67 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/mcmillan2006.c.i_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_23-37-30-608.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/mcmillan2006.c.i_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_23-37-30-608.csv Received shutdown request...