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/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181015-LoopsPathprograms/diamond_true-unreach-call2.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2d08e6e [2018-10-15 13:03:45,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 13:03:45,117 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 13:03:45,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 13:03:45,131 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 13:03:45,132 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 13:03:45,133 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 13:03:45,135 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 13:03:45,137 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 13:03:45,138 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 13:03:45,139 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-15 13:03:45,139 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-15 13:03:45,140 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-15 13:03:45,141 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-15 13:03:45,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-15 13:03:45,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-15 13:03:45,144 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-15 13:03:45,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-15 13:03:45,148 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-15 13:03:45,150 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-15 13:03:45,151 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-15 13:03:45,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-15 13:03:45,155 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-15 13:03:45,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-15 13:03:45,156 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-15 13:03:45,157 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-15 13:03:45,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-15 13:03:45,159 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-15 13:03:45,160 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-15 13:03:45,161 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-15 13:03:45,164 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-15 13:03:45,165 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-15 13:03:45,169 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-15 13:03:45,189 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 13:03:45,189 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 13:03:45,193 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 13:03:45,193 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 13:03:45,193 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 13:03:45,194 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 13:03:45,194 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 13:03:45,195 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 13:03:45,195 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 13:03:45,196 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 13:03:45,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 13:03:45,196 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 13:03:45,196 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 13:03:45,197 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 13:03:45,197 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 13:03:45,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 13:03:45,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 13:03:45,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 13:03:45,303 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 13:03:45,304 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 13:03:45,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/diamond_true-unreach-call2.i_4.bpl [2018-10-15 13:03:45,305 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/diamond_true-unreach-call2.i_4.bpl' [2018-10-15 13:03:45,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 13:03:45,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-15 13:03:45,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 13:03:45,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 13:03:45,403 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 13:03:45,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:03:45" (1/1) ... [2018-10-15 13:03:45,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:03:45" (1/1) ... [2018-10-15 13:03:45,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:03:45" (1/1) ... [2018-10-15 13:03:45,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:03:45" (1/1) ... [2018-10-15 13:03:45,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:03:45" (1/1) ... [2018-10-15 13:03:45,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:03:45" (1/1) ... [2018-10-15 13:03:45,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:03:45" (1/1) ... [2018-10-15 13:03:45,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 13:03:45,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 13:03:45,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 13:03:45,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 13:03:45,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:03:45" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-15 13:03:45,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-15 13:03:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 13:03:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 13:03:46,015 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 13:03:46,016 INFO L202 PluginConnector]: Adding new model diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:46 BoogieIcfgContainer [2018-10-15 13:03:46,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 13:03:46,017 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-15 13:03:46,017 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-15 13:03:46,019 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-15 13:03:46,023 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:46" (1/1) ... [2018-10-15 13:03:46,029 WARN L219 ansformationObserver]: HeapSeparator: input icfg has no '#valid' array -- returning unchanged Icfg! [2018-10-15 13:03:46,049 INFO L202 PluginConnector]: Adding new model diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 01:03:46 BasicIcfg [2018-10-15 13:03:46,049 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-15 13:03:46,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 13:03:46,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 13:03:46,054 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 13:03:46,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 01:03:45" (1/3) ... [2018-10-15 13:03:46,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140dc692 and model type diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:03:46, skipping insertion in model container [2018-10-15 13:03:46,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:46" (2/3) ... [2018-10-15 13:03:46,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140dc692 and model type diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:03:46, skipping insertion in model container [2018-10-15 13:03:46,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 01:03:46" (3/3) ... [2018-10-15 13:03:46,059 INFO L112 eAbstractionObserver]: Analyzing ICFG diamond_true-unreach-call2.i_4.bplleft_unchanged_by_heapseparator [2018-10-15 13:03:46,070 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 13:03:46,079 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 13:03:46,100 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 13:03:46,162 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 13:03:46,162 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 13:03:46,162 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 13:03:46,163 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 13:03:46,163 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 13:03:46,163 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 13:03:46,163 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 13:03:46,163 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 13:03:46,163 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 13:03:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2018-10-15 13:03:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-15 13:03:46,186 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:03:46,187 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:03:46,188 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:03:46,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:03:46,195 INFO L82 PathProgramCache]: Analyzing trace with hash 877272490, now seen corresponding path program 1 times [2018-10-15 13:03:46,249 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:03:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:03:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 13:03:46,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 13:03:46,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 13:03:46,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 13:03:46,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 13:03:46,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 13:03:46,472 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2018-10-15 13:03:46,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:03:46,636 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-10-15 13:03:46,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 13:03:46,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-10-15 13:03:46,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:03:46,651 INFO L225 Difference]: With dead ends: 36 [2018-10-15 13:03:46,651 INFO L226 Difference]: Without dead ends: 36 [2018-10-15 13:03:46,653 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 13:03:46,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-10-15 13:03:46,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2018-10-15 13:03:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-10-15 13:03:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-10-15 13:03:46,687 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 12 [2018-10-15 13:03:46,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:03:46,688 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-10-15 13:03:46,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 13:03:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-10-15 13:03:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-15 13:03:46,689 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:03:46,690 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:03:46,690 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:03:46,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:03:46,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1239880255, now seen corresponding path program 1 times [2018-10-15 13:03:46,692 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:03:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:03:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 13:03:47,505 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:03:47,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-10-15 13:03:47,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-15 13:03:47,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-15 13:03:47,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-10-15 13:03:47,511 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 13 states. [2018-10-15 13:03:47,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:03:47,941 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-10-15 13:03:47,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-15 13:03:47,944 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2018-10-15 13:03:47,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:03:47,946 INFO L225 Difference]: With dead ends: 57 [2018-10-15 13:03:47,946 INFO L226 Difference]: Without dead ends: 57 [2018-10-15 13:03:47,947 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-10-15 13:03:47,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-10-15 13:03:47,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2018-10-15 13:03:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-15 13:03:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-10-15 13:03:47,958 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 33 [2018-10-15 13:03:47,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:03:47,959 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-10-15 13:03:47,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-15 13:03:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-10-15 13:03:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-15 13:03:47,962 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:03:47,962 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:03:47,962 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:03:47,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:03:47,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1095769590, now seen corresponding path program 2 times [2018-10-15 13:03:47,964 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:03:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:03:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 13:03:49,468 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:03:49,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-10-15 13:03:49,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-15 13:03:49,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-15 13:03:49,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-10-15 13:03:49,471 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 23 states. [2018-10-15 13:03:50,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:03:50,431 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-10-15 13:03:50,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-15 13:03:50,432 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 54 [2018-10-15 13:03:50,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:03:50,435 INFO L225 Difference]: With dead ends: 78 [2018-10-15 13:03:50,435 INFO L226 Difference]: Without dead ends: 78 [2018-10-15 13:03:50,436 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-10-15 13:03:50,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-10-15 13:03:50,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2018-10-15 13:03:50,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-10-15 13:03:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-10-15 13:03:50,445 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 54 [2018-10-15 13:03:50,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:03:50,446 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-10-15 13:03:50,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-15 13:03:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-10-15 13:03:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-15 13:03:50,448 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:03:50,449 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:03:50,449 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:03:50,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:03:50,450 INFO L82 PathProgramCache]: Analyzing trace with hash -505698975, now seen corresponding path program 3 times [2018-10-15 13:03:50,451 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:03:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:03:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 13:03:51,656 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:03:51,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-10-15 13:03:51,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-10-15 13:03:51,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-10-15 13:03:51,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2018-10-15 13:03:51,659 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 33 states. [2018-10-15 13:03:52,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:03:52,845 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-10-15 13:03:52,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-15 13:03:52,852 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 75 [2018-10-15 13:03:52,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:03:52,854 INFO L225 Difference]: With dead ends: 99 [2018-10-15 13:03:52,854 INFO L226 Difference]: Without dead ends: 99 [2018-10-15 13:03:52,858 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2018-10-15 13:03:52,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-10-15 13:03:52,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2018-10-15 13:03:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-10-15 13:03:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-10-15 13:03:52,881 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 75 [2018-10-15 13:03:52,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:03:52,883 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-10-15 13:03:52,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-10-15 13:03:52,883 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-10-15 13:03:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-15 13:03:52,890 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:03:52,890 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:03:52,890 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:03:52,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:03:52,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1943392662, now seen corresponding path program 4 times [2018-10-15 13:03:52,894 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:03:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:03:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 13:03:55,036 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:03:55,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-10-15 13:03:55,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-10-15 13:03:55,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-10-15 13:03:55,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2018-10-15 13:03:55,039 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 43 states. [2018-10-15 13:03:56,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:03:56,817 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-10-15 13:03:56,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-10-15 13:03:56,818 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 96 [2018-10-15 13:03:56,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:03:56,820 INFO L225 Difference]: With dead ends: 120 [2018-10-15 13:03:56,820 INFO L226 Difference]: Without dead ends: 120 [2018-10-15 13:03:56,821 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2018-10-15 13:03:56,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-15 13:03:56,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2018-10-15 13:03:56,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-10-15 13:03:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2018-10-15 13:03:56,830 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 96 [2018-10-15 13:03:56,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:03:56,830 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2018-10-15 13:03:56,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-10-15 13:03:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2018-10-15 13:03:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-15 13:03:56,832 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 13:03:56,833 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 13:03:56,833 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 13:03:56,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 13:03:56,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1244583169, now seen corresponding path program 5 times [2018-10-15 13:03:56,834 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 13:03:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 13:03:57,579 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 18 [2018-10-15 13:04:09,811 WARN L179 SmtUtils]: Spent 12.05 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-10-15 13:04:33,926 WARN L179 SmtUtils]: Spent 24.08 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-10-15 13:04:58,266 WARN L179 SmtUtils]: Spent 24.08 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-10-15 13:05:34,436 WARN L179 SmtUtils]: Spent 36.11 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-10-15 13:05:46,462 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 (div c_ULTIMATE.start_main_~y~0 2))) (let ((.cse3 (* 2 .cse9))) (let ((.cse8 (* (- 2) .cse9)) (.cse6 (* 4294967296 (div c_ULTIMATE.start_main_~y~0 4294967296))) (.cse7 (= .cse3 c_ULTIMATE.start_main_~y~0))) (let ((.cse0 (not .cse7)) (.cse1 (< c_ULTIMATE.start_main_~y~0 .cse6)) (.cse2 (* 4294967296 (div (+ c_ULTIMATE.start_main_~y~0 .cse8 (- 2)) 4294967296))) (.cse5 (* 4294967296 (div (+ c_ULTIMATE.start_main_~y~0 .cse8) 4294967296))) (.cse4 (or (<= .cse6 c_ULTIMATE.start_main_~y~0) .cse7))) (and (or (and .cse0 .cse1 (<= (+ .cse2 .cse3 c_ULTIMATE.start_main_~x~0) (+ c_ULTIMATE.start_main_~y~0 14))) (and .cse4 (<= (+ .cse3 c_ULTIMATE.start_main_~x~0 .cse5) (+ c_ULTIMATE.start_main_~y~0 16)))) (<= 16 c_ULTIMATE.start_main_~x~0) (or (and .cse0 .cse1 (<= c_ULTIMATE.start_main_~y~0 (+ .cse2 .cse3 2))) (and (<= c_ULTIMATE.start_main_~y~0 (+ .cse3 .cse5)) .cse4))))))) is different from true [2018-10-15 13:05:58,715 WARN L179 SmtUtils]: Spent 12.05 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-10-15 13:06:11,238 WARN L179 SmtUtils]: Spent 12.06 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-10-15 13:06:24,448 WARN L179 SmtUtils]: Spent 12.16 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-10-15 13:06:36,943 WARN L179 SmtUtils]: Spent 12.06 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-10-15 13:06:49,131 WARN L179 SmtUtils]: Spent 12.10 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-10-15 13:07:04,196 WARN L179 SmtUtils]: Spent 12.06 s on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-10-15 13:07:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2018-10-15 13:07:05,778 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 13:07:05,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-10-15 13:07:05,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-10-15 13:07:05,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-10-15 13:07:05,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=2971, Unknown=1, NotChecked=108, Total=3192 [2018-10-15 13:07:05,781 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand 57 states. [2018-10-15 13:07:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 13:07:13,856 INFO L93 Difference]: Finished difference Result 116 states and 115 transitions. [2018-10-15 13:07:13,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-10-15 13:07:13,856 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 117 [2018-10-15 13:07:13,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 13:07:13,857 INFO L225 Difference]: With dead ends: 116 [2018-10-15 13:07:13,858 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 13:07:13,859 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 188.6s TimeCoverageRelationStatistics Valid=122, Invalid=3187, Unknown=1, NotChecked=112, Total=3422 [2018-10-15 13:07:13,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 13:07:13,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 13:07:13,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 13:07:13,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 13:07:13,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2018-10-15 13:07:13,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 13:07:13,860 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 13:07:13,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-10-15 13:07:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 13:07:13,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 13:07:13,866 INFO L202 PluginConnector]: Adding new model diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:07:13 BasicIcfg [2018-10-15 13:07:13,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 13:07:13,867 INFO L168 Benchmark]: Toolchain (without parser) took 208465.95 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 147.3 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 308.7 MB). Peak memory consumption was 456.0 MB. Max. memory is 7.1 GB. [2018-10-15 13:07:13,868 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-10-15 13:07:13,869 INFO L168 Benchmark]: Boogie Preprocessor took 66.47 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. [2018-10-15 13:07:13,870 INFO L168 Benchmark]: RCFGBuilder took 546.65 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-15 13:07:13,871 INFO L168 Benchmark]: IcfgTransformer took 32.50 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. [2018-10-15 13:07:13,871 INFO L168 Benchmark]: TraceAbstraction took 207815.65 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 147.3 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 287.6 MB). Peak memory consumption was 434.9 MB. Max. memory is 7.1 GB. [2018-10-15 13:07:13,876 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 0.21 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 66.47 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 546.65 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * IcfgTransformer took 32.50 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. * TraceAbstraction took 207815.65 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 147.3 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 287.6 MB). Peak memory consumption was 434.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 55]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 1 error locations. SAFE Result, 207.7s OverallTime, 6 OverallIterations, 5 TraceHistogramMax, 12.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 191 SDtfs, 16 SDslu, 4012 SDs, 0 SdLazy, 10082 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 12 SyntacticMatches, 8 SemanticMatches, 162 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 193.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=5, 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, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 194.3s InterpolantComputationTime, 387 NumberOfCodeBlocks, 387 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 381 ConstructedInterpolants, 0 QuantifiedInterpolants, 678369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/435 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/diamond_true-unreach-call2.i_4.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-15_13-07-13-889.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/diamond_true-unreach-call2.i_4.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_13-07-13-889.csv Received shutdown request...