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_PUPT.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:34:46,751 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:34:46,753 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:34:46,771 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:34:46,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:34:46,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:34:46,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:34:46,777 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:34:46,779 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:34:46,782 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:34:46,783 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:34:46,783 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:34:46,786 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:34:46,787 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:34:46,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:34:46,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:34:46,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:34:46,803 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:34:46,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:34:46,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:34:46,812 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:34:46,813 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:34:46,816 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-30 20:34:46,829 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-09-30 20:34:46,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:34:46,856 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:34:46,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:34:46,860 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:34:46,861 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:34:46,861 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:34:46,862 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 20:34:46,862 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:34:46,862 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:34:46,862 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:34:46,863 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:34:46,864 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:34:46,864 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:34:46,864 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:34:46,864 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:34:46,864 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:34:46,865 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:34:46,865 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:34:46,865 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:34:46,865 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 20:34:46,867 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:34:46,867 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 20:34:46,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:34:46,867 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:34:46,867 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:34:46,868 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:34:46,868 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 20:34:46,868 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:34:46,868 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:34:46,868 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:34:46,869 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 20:34:46,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:34:46,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:34:46,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:34:46,958 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:34:46,959 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:34:46,959 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-09-30 20:34:46,960 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-09-30 20:34:47,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:34:47,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:34:47,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:34:47,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:34:47,028 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:34:47,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (1/1) ... [2018-09-30 20:34:47,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (1/1) ... [2018-09-30 20:34:47,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:34:47,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:34:47,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:34:47,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:34:47,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (1/1) ... [2018-09-30 20:34:47,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (1/1) ... [2018-09-30 20:34:47,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (1/1) ... [2018-09-30 20:34:47,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (1/1) ... [2018-09-30 20:34:47,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (1/1) ... [2018-09-30 20:34:47,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (1/1) ... [2018-09-30 20:34:47,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (1/1) ... [2018-09-30 20:34:47,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:34:47,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:34:47,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:34:47,095 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:34:47,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (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 20:34:47,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 20:34:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 20:34:47,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 20:34:47,362 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 20:34:47,362 INFO L202 PluginConnector]: Adding new model bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:34:47 BoogieIcfgContainer [2018-09-30 20:34:47,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:34:47,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 20:34:47,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 20:34:47,367 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 20:34:47,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:34:47" (1/2) ... [2018-09-30 20:34:47,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562397d3 and model type bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:34:47, skipping insertion in model container [2018-09-30 20:34:47,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:34:47" (2/2) ... [2018-09-30 20:34:47,370 INFO L112 eAbstractionObserver]: Analyzing ICFG bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-09-30 20:34:47,380 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 20:34:47,388 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 20:34:47,440 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 20:34:47,441 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 20:34:47,441 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 20:34:47,442 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 20:34:47,442 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 20:34:47,442 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 20:34:47,442 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 20:34:47,442 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 20:34:47,443 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 20:34:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-30 20:34:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 20:34:47,465 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:34:47,466 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-30 20:34:47,467 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:34:47,474 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:34:47,475 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-09-30 20:34:47,477 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:34:47,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:34:47,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:34:47,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:34:47,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:34:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:34:47,684 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 20:34:47,686 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:34:47,686 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:34:47,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:34:47,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:34:47,704 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:34:47,706 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-30 20:34:47,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:34:47,868 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-09-30 20:34:47,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:34:47,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-30 20:34:47,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:34:47,891 INFO L225 Difference]: With dead ends: 9 [2018-09-30 20:34:47,891 INFO L226 Difference]: Without dead ends: 5 [2018-09-30 20:34:47,901 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 20:34:47,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-30 20:34:47,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-30 20:34:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-30 20:34:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 20:34:47,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-30 20:34:47,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:34:47,937 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-30 20:34:47,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:34:47,937 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 20:34:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:34:47,937 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:34:47,937 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 20:34:47,938 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:34:47,938 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:34:47,938 INFO L82 PathProgramCache]: Analyzing trace with hash 930412, now seen corresponding path program 1 times [2018-09-30 20:34:47,940 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:34:47,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:34:47,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:34:47,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:34:47,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:34:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:34:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:34:48,065 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:34:48,065 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 20:34:48,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:34:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:34:48,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:34:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:34:48,245 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:34:48,245 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-09-30 20:34:48,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-30 20:34:48,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-30 20:34:48,246 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:34:48,247 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 6 states. [2018-09-30 20:34:48,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:34:48,943 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-09-30 20:34:48,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 20:34:48,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2018-09-30 20:34:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:34:48,946 INFO L225 Difference]: With dead ends: 6 [2018-09-30 20:34:48,946 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 20:34:48,947 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time [2018-09-30 20:34:48,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 20:34:48,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 20:34:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 20:34:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 20:34:48,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2018-09-30 20:34:48,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:34:48,951 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 20:34:48,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-30 20:34:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 20:34:48,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 20:34:48,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 20:34:49,170 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 12 [2018-09-30 20:34:49,176 INFO L422 ceAbstractionStarter]: At program point L49(lines 28 49) the Hoare annotation is: (let ((.cse1 (* 3 ULTIMATE.start_main_~i~5)) (.cse0 (+ ULTIMATE.start_main_~b~5 ULTIMATE.start_main_~a~5))) (and (<= .cse0 .cse1) (<= .cse1 .cse0) (<= .cse0 (* 3 ULTIMATE.start_main_~n~5)))) [2018-09-30 20:34:49,177 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 52) no Hoare annotation was computed. [2018-09-30 20:34:49,177 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 52) no Hoare annotation was computed. [2018-09-30 20:34:49,177 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 52) no Hoare annotation was computed. [2018-09-30 20:34:49,177 INFO L422 ceAbstractionStarter]: At program point L40(lines 40 50) the Hoare annotation is: false [2018-09-30 20:34:49,177 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 51) no Hoare annotation was computed. [2018-09-30 20:34:49,188 INFO L202 PluginConnector]: Adding new model bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:34:49 BoogieIcfgContainer [2018-09-30 20:34:49,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 20:34:49,189 INFO L168 Benchmark]: Toolchain (without parser) took 2165.78 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: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2018-09-30 20:34:49,191 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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 20:34:49,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.16 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 20:34:49,192 INFO L168 Benchmark]: Boogie Preprocessor took 23.12 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 20:34:49,193 INFO L168 Benchmark]: RCFGBuilder took 268.56 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 20:34:49,194 INFO L168 Benchmark]: TraceAbstraction took 1825.00 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-09-30 20:34:49,199 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 0.22 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 43.16 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 23.12 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 268.56 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1825.00 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: 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: 51]: 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: 28]: Loop Invariant Derived loop invariant: (main_~b~5 + main_~a~5 <= 3 * main_~i~5 && 3 * main_~i~5 <= main_~b~5 + main_~a~5) && main_~b~5 + main_~a~5 <= 3 * main_~n~5 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 9 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 23 HoareAnnotationTreeSize, 2 FomulaSimplifications, 41 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 102 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 310 SizeOfPredicates, 4 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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/bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_20-34-49-212.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/bhmr2007.c.i_3.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_20-34-49-212.csv Received shutdown request...