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/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 10:29:02,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:29:02,460 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:29:02,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:29:02,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:29:02,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:29:02,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:29:02,489 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:29:02,492 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:29:02,492 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:29:02,501 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-28 10:29:02,534 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 [2018-09-28 10:29:02,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:29:02,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:29:02,558 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:29:02,559 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:29:02,559 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:29:02,563 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:29:02,563 INFO L133 SettingsManager]: * Use SBE=true [2018-09-28 10:29:02,563 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:29:02,563 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:29:02,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:29:02,564 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:29:02,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:29:02,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:29:02,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:29:02,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:29:02,565 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:29:02,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:29:02,566 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:29:02,566 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:29:02,566 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-28 10:29:02,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:29:02,568 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-28 10:29:02,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 10:29:02,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:29:02,568 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:29:02,569 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:29:02,569 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-28 10:29:02,569 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:29:02,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:29:02,569 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:29:02,570 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 10:29:02,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:29:02,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:29:02,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:29:02,654 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:29:02,655 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:29:02,656 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl [2018-09-28 10:29:02,656 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl' [2018-09-28 10:29:02,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:29:02,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:29:02,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:29:02,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:29:02,734 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:29:02,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (1/1) ... [2018-09-28 10:29:02,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (1/1) ... [2018-09-28 10:29:02,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:29:02,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:29:02,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:29:02,779 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:29:02,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (1/1) ... [2018-09-28 10:29:02,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (1/1) ... [2018-09-28 10:29:02,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (1/1) ... [2018-09-28 10:29:02,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (1/1) ... [2018-09-28 10:29:02,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (1/1) ... [2018-09-28 10:29:02,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (1/1) ... [2018-09-28 10:29:02,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (1/1) ... [2018-09-28 10:29:02,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:29:02,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:29:02,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:29:02,827 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:29:02,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (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 [2018-09-28 10:29:02,912 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-28 10:29:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 10:29:02,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 10:29:03,482 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 10:29:03,482 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:29:03 BoogieIcfgContainer [2018-09-28 10:29:03,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:29:03,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-28 10:29:03,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-28 10:29:03,488 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-28 10:29:03,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:29:02" (1/2) ... [2018-09-28 10:29:03,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6377db30 and model type pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.09 10:29:03, skipping insertion in model container [2018-09-28 10:29:03,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:29:03" (2/2) ... [2018-09-28 10:29:03,492 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl [2018-09-28 10:29:03,502 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-28 10:29:03,512 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-28 10:29:03,566 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-28 10:29:03,567 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-28 10:29:03,567 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-28 10:29:03,567 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-28 10:29:03,567 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-28 10:29:03,567 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-28 10:29:03,568 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-28 10:29:03,568 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-28 10:29:03,568 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-28 10:29:03,585 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-09-28 10:29:03,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:29:03,592 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:29:03,593 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:29:03,594 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:29:03,602 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:29:03,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1823027031, now seen corresponding path program 1 times [2018-09-28 10:29:03,605 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:29:03,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:29:03,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:03,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:29:03,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:29:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:29:03,881 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:29:03,881 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:29:03,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:29:03,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:29:03,900 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:29:03,902 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-09-28 10:29:03,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:29:03,994 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2018-09-28 10:29:03,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:29:03,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-28 10:29:03,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:29:04,006 INFO L225 Difference]: With dead ends: 33 [2018-09-28 10:29:04,006 INFO L226 Difference]: Without dead ends: 17 [2018-09-28 10:29:04,010 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:29:04,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-09-28 10:29:04,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-09-28 10:29:04,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-09-28 10:29:04,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2018-09-28 10:29:04,050 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 14 [2018-09-28 10:29:04,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:29:04,050 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2018-09-28 10:29:04,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:29:04,050 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-09-28 10:29:04,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:29:04,051 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:29:04,051 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:29:04,052 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:29:04,052 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:29:04,052 INFO L82 PathProgramCache]: Analyzing trace with hash 2081192469, now seen corresponding path program 1 times [2018-09-28 10:29:04,052 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:29:04,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:29:04,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:04,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:29:04,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:29:04,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:29:04,119 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:29:04,119 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:29:04,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:29:04,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:29:04,122 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:29:04,122 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand 3 states. [2018-09-28 10:29:04,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:29:04,164 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2018-09-28 10:29:04,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:29:04,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-28 10:29:04,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:29:04,168 INFO L225 Difference]: With dead ends: 45 [2018-09-28 10:29:04,168 INFO L226 Difference]: Without dead ends: 31 [2018-09-28 10:29:04,169 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:29:04,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-09-28 10:29:04,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2018-09-28 10:29:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-09-28 10:29:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2018-09-28 10:29:04,178 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 14 [2018-09-28 10:29:04,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:29:04,178 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2018-09-28 10:29:04,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:29:04,179 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2018-09-28 10:29:04,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:29:04,180 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:29:04,180 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:29:04,180 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:29:04,180 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:29:04,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1820747817, now seen corresponding path program 1 times [2018-09-28 10:29:04,181 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:29:04,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:29:04,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:04,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:29:04,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:29:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:29:04,270 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:29:04,270 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:29:04,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:29:04,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:29:04,271 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:29:04,272 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 3 states. [2018-09-28 10:29:04,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:29:04,367 INFO L93 Difference]: Finished difference Result 59 states and 80 transitions. [2018-09-28 10:29:04,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:29:04,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-28 10:29:04,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:29:04,369 INFO L225 Difference]: With dead ends: 59 [2018-09-28 10:29:04,369 INFO L226 Difference]: Without dead ends: 33 [2018-09-28 10:29:04,370 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:29:04,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-09-28 10:29:04,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-09-28 10:29:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-09-28 10:29:04,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2018-09-28 10:29:04,379 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 14 [2018-09-28 10:29:04,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:29:04,380 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2018-09-28 10:29:04,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:29:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2018-09-28 10:29:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:29:04,381 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:29:04,381 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:29:04,381 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:29:04,382 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:29:04,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1664872853, now seen corresponding path program 1 times [2018-09-28 10:29:04,382 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:29:04,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:29:04,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:04,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:29:04,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:29:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:29:04,452 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:29:04,452 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:29:04,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:29:04,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:29:04,453 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:29:04,454 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand 3 states. [2018-09-28 10:29:04,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:29:04,647 INFO L93 Difference]: Finished difference Result 85 states and 115 transitions. [2018-09-28 10:29:04,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:29:04,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-28 10:29:04,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:29:04,649 INFO L225 Difference]: With dead ends: 85 [2018-09-28 10:29:04,650 INFO L226 Difference]: Without dead ends: 59 [2018-09-28 10:29:04,650 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:29:04,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-09-28 10:29:04,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2018-09-28 10:29:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-09-28 10:29:04,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2018-09-28 10:29:04,672 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 14 [2018-09-28 10:29:04,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:29:04,672 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2018-09-28 10:29:04,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:29:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2018-09-28 10:29:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:29:04,674 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:29:04,674 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:29:04,677 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:29:04,677 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:29:04,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1607614551, now seen corresponding path program 1 times [2018-09-28 10:29:04,678 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:29:04,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:29:04,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:04,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:29:04,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:29:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:29:04,806 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:29:04,807 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-28 10:29:04,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-28 10:29:04,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-28 10:29:04,807 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:29:04,808 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand 4 states. [2018-09-28 10:29:05,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:29:05,359 INFO L93 Difference]: Finished difference Result 113 states and 152 transitions. [2018-09-28 10:29:05,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-28 10:29:05,363 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-09-28 10:29:05,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:29:05,368 INFO L225 Difference]: With dead ends: 113 [2018-09-28 10:29:05,368 INFO L226 Difference]: Without dead ends: 111 [2018-09-28 10:29:05,368 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:29:05,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-09-28 10:29:05,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 65. [2018-09-28 10:29:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-28 10:29:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2018-09-28 10:29:05,406 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 14 [2018-09-28 10:29:05,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:29:05,406 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2018-09-28 10:29:05,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-28 10:29:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2018-09-28 10:29:05,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:29:05,407 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:29:05,408 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:29:05,408 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:29:05,408 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:29:05,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1607674133, now seen corresponding path program 1 times [2018-09-28 10:29:05,408 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:29:05,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:29:05,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:05,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:29:05,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:29:05,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:29:05,498 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:29:05,498 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-28 10:29:05,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-28 10:29:05,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-28 10:29:05,499 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:29:05,499 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 4 states. [2018-09-28 10:29:05,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:29:05,670 INFO L93 Difference]: Finished difference Result 150 states and 195 transitions. [2018-09-28 10:29:05,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-28 10:29:05,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-09-28 10:29:05,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:29:05,672 INFO L225 Difference]: With dead ends: 150 [2018-09-28 10:29:05,672 INFO L226 Difference]: Without dead ends: 92 [2018-09-28 10:29:05,673 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:29:05,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-09-28 10:29:05,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 65. [2018-09-28 10:29:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-28 10:29:05,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2018-09-28 10:29:05,700 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 14 [2018-09-28 10:29:05,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:29:05,701 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2018-09-28 10:29:05,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-28 10:29:05,701 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2018-09-28 10:29:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 10:29:05,702 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:29:05,702 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:29:05,703 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:29:05,703 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:29:05,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1173123511, now seen corresponding path program 1 times [2018-09-28 10:29:05,703 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:29:05,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:29:05,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:05,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:29:05,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:29:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:29:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:29:05,838 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 10:29:05,838 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 [2018-09-28 10:29:05,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:29:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:29:05,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:29:06,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 10:29:06,093 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-28 10:29:06,093 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-09-28 10:29:06,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-28 10:29:06,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-28 10:29:06,095 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:29:06,095 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand 6 states. [2018-09-28 10:29:07,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:29:07,337 INFO L93 Difference]: Finished difference Result 119 states and 148 transitions. [2018-09-28 10:29:07,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-28 10:29:07,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-09-28 10:29:07,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:29:07,340 INFO L225 Difference]: With dead ends: 119 [2018-09-28 10:29:07,340 INFO L226 Difference]: Without dead ends: 0 [2018-09-28 10:29:07,343 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:29:07,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-28 10:29:07,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-28 10:29:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-28 10:29:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-28 10:29:07,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-09-28 10:29:07,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:29:07,345 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-28 10:29:07,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-28 10:29:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-28 10:29:07,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-28 10:29:07,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-28 10:29:07,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:07,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:29:08,984 WARN L178 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2018-09-28 10:29:09,143 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2018-09-28 10:29:09,358 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2018-09-28 10:29:09,468 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-09-28 10:29:09,722 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2018-09-28 10:29:09,851 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2018-09-28 10:29:09,990 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-09-28 10:29:10,198 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2018-09-28 10:29:10,489 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2018-09-28 10:29:10,492 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 47 313) no Hoare annotation was computed. [2018-09-28 10:29:10,492 INFO L422 ceAbstractionStarter]: At program point L219(lines 219 232) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse2 (<= ~r1 256)) (.cse1 (= ~mode2 0)) (.cse3 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= (+ ~p2_old 1) 0)) .cse0 .cse3 .cse2) (and (<= 512 ~mode3) .cse1 (<= (+ ~r1 256) 0) .cse3))) [2018-09-28 10:29:10,493 INFO L422 ceAbstractionStarter]: At program point L281(lines 276 282) the Hoare annotation is: (let ((.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (= (+ ~p2_old 1) 0))) (let ((.cse1 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse3 (<= ~r1 256)) (.cse0 (not .cse6)) (.cse2 (or .cse5 .cse6)) (.cse4 (<= 1 ULTIMATE.start_check_~tmp~77))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (= ~mode2 0) .cse3 .cse4 .cse5) (and .cse0 (<= (+ ~r1 256) 0) .cse2 .cse4)))) [2018-09-28 10:29:10,493 INFO L422 ceAbstractionStarter]: At program point L310(lines 191 310) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse2 (<= ~r1 256)) (.cse1 (= ~mode2 0)) (.cse3 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= (+ ~p2_old 1) 0)) .cse0 .cse3 .cse2) (and (<= 512 ~mode3) .cse1 (<= (+ ~r1 256) 0) (<= (+ ~mode1 256) 0) .cse3))) [2018-09-28 10:29:10,493 INFO L422 ceAbstractionStarter]: At program point L238(lines 231 239) the Hoare annotation is: (let ((.cse1 (<= 0 ~p2_new)) (.cse2 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse0 (= 0 (+ ~nomsg 1))) (.cse3 (<= ~r1 256))) (or (and (<= 512 ~mode3) (<= (+ ~r1 256) 0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1) (and (not (= (+ ~p2_old 1) 0)) .cse2 (= ~mode2 0) .cse0 .cse3))) [2018-09-28 10:29:10,493 INFO L422 ceAbstractionStarter]: At program point L302(lines 302 308) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse3 (= 0 (+ ~nomsg 1))) (.cse1 (<= ~r1 256)) (.cse2 (not (= 0 |ULTIMATE.start_assert_#in~arg|)))) (or (and .cse0 (= ~mode2 0) .cse1 .cse2 .cse3) (and (not (= (+ ~p2_old 1) 0)) .cse0 .cse3 .cse1 .cse2))) [2018-09-28 10:29:10,494 INFO L422 ceAbstractionStarter]: At program point L298(lines 294 299) the Hoare annotation is: (let ((.cse3 (= 0 (+ ~nomsg 1))) (.cse6 (= (+ ~p2_old 1) 0))) (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse1 (<= ~r1 256)) (.cse4 (not .cse6)) (.cse5 (or .cse3 .cse6)) (.cse2 (not (= 0 |ULTIMATE.start_assert_#in~arg|)))) (or (and .cse0 (= ~mode2 0) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse1 .cse2) (and .cse4 (<= (+ ~r1 256) 0) .cse5 (<= 1 ULTIMATE.start_check_~tmp~77) .cse2 (<= 1 ULTIMATE.start_main_~c1~84))))) [2018-09-28 10:29:10,494 INFO L422 ceAbstractionStarter]: At program point L288(lines 288 295) the Hoare annotation is: (let ((.cse3 (= 0 (+ ~nomsg 1))) (.cse7 (= (+ ~p2_old 1) 0))) (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse1 (<= ~r1 256)) (.cse5 (not .cse7)) (.cse6 (or .cse3 .cse7)) (.cse2 (<= 1 ULTIMATE.start_check_~tmp~77)) (.cse4 (<= 1 ULTIMATE.start_main_~c1~84))) (or (and .cse0 (= ~mode2 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse4) (and .cse5 (<= (+ ~r1 256) 0) .cse6 .cse2 .cse4)))) [2018-09-28 10:29:10,494 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 47 313) no Hoare annotation was computed. [2018-09-28 10:29:10,494 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 47 313) no Hoare annotation was computed. [2018-09-28 10:29:10,494 INFO L422 ceAbstractionStarter]: At program point L214(lines 208 215) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse2 (<= ~r1 256)) (.cse1 (= ~mode2 0)) (.cse3 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= (+ ~p2_old 1) 0)) .cse0 .cse3 .cse2) (and (<= 512 ~mode3) .cse1 (<= (+ ~r1 256) 0) .cse3))) [2018-09-28 10:29:10,494 INFO L422 ceAbstractionStarter]: At program point L243(lines 243 253) the Hoare annotation is: (let ((.cse1 (<= 0 ~p2_new)) (.cse2 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse0 (= 0 (+ ~nomsg 1))) (.cse3 (<= ~r1 256))) (or (and (<= 512 ~mode3) (<= (+ ~r1 256) 0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1) (and (not (= (+ ~p2_old 1) 0)) .cse2 (= ~mode2 0) .cse0 .cse3))) [2018-09-28 10:29:10,495 INFO L422 ceAbstractionStarter]: At program point L307(lines 307 311) the Hoare annotation is: false [2018-09-28 10:29:10,495 INFO L422 ceAbstractionStarter]: At program point L270(lines 270 277) the Hoare annotation is: (let ((.cse2 (= 0 (+ ~nomsg 1))) (.cse5 (= (+ ~p2_old 1) 0))) (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse1 (<= ~r1 256)) (.cse3 (not .cse5)) (.cse4 (or .cse2 .cse5))) (or (and .cse0 (= ~mode2 0) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse1) (and .cse3 (<= (+ ~r1 256) 0) .cse4)))) [2018-09-28 10:29:10,495 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 312) no Hoare annotation was computed. [2018-09-28 10:29:10,495 INFO L422 ceAbstractionStarter]: At program point L196(lines 196 209) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse2 (<= ~r1 256)) (.cse1 (= ~mode2 0)) (.cse3 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= (+ ~p2_old 1) 0)) .cse0 .cse3 .cse2) (and (<= 512 ~mode3) .cse1 (<= (+ ~r1 256) 0) (<= (+ ~mode1 256) 0) .cse3))) [2018-09-28 10:29:10,495 INFO L422 ceAbstractionStarter]: At program point L258(lines 252 259) the Hoare annotation is: (let ((.cse1 (<= 0 ~p2_new)) (.cse2 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse0 (= 0 (+ ~nomsg 1))) (.cse3 (<= ~r1 256))) (or (and (<= (+ ~r1 256) 0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1) (and (not (= (+ ~p2_old 1) 0)) .cse2 (= ~mode2 0) .cse0 .cse3))) [2018-09-28 10:29:10,514 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.09 10:29:10 BoogieIcfgContainer [2018-09-28 10:29:10,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-28 10:29:10,515 INFO L168 Benchmark]: Toolchain (without parser) took 7785.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 385.9 MB). Peak memory consumption was 385.9 MB. Max. memory is 7.1 GB. [2018-09-28 10:29:10,517 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. [2018-09-28 10:29:10,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.60 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. [2018-09-28 10:29:10,518 INFO L168 Benchmark]: Boogie Preprocessor took 48.01 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. [2018-09-28 10:29:10,519 INFO L168 Benchmark]: RCFGBuilder took 655.89 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-28 10:29:10,520 INFO L168 Benchmark]: TraceAbstraction took 7030.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 354.2 MB). Peak memory consumption was 354.2 MB. Max. memory is 7.1 GB. [2018-09-28 10:29:10,526 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 44.60 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 48.01 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 655.89 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7030.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 354.2 MB). Peak memory consumption was 354.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 312]: 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: 219]: Loop Invariant Derived loop invariant: ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && 0 == ~nomsg + 1) || (((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && 0 == ~nomsg + 1) && ~r1 <= 256)) || (((512 <= ~mode3 && ~mode2 == 0) && ~r1 + 256 <= 0) && 0 == ~nomsg + 1) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && 0 == ~nomsg + 1) || (((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && 0 == ~nomsg + 1) && ~r1 <= 256)) || ((((512 <= ~mode3 && ~mode2 == 0) && ~r1 + 256 <= 0) && ~mode1 + 256 <= 0) && 0 == ~nomsg + 1) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((((512 <= ~mode3 && ~r1 + 256 <= 0) && 0 == ~nomsg + 1) && 0 <= ~p2_new) || (((!(0 == assert_~arg) && ~r1 <= 256) && 0 == ~nomsg + 1) && 0 <= ~p2_new)) || ((((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && ~mode2 == 0) && 0 == ~nomsg + 1) && ~r1 <= 256) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && !(0 == assert_#in~arg)) && 0 == ~nomsg + 1) || ((((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && (0 == ~nomsg + 1 || ~p2_old + 1 == 0)) && ~r1 <= 256) && !(0 == assert_#in~arg))) || (((((!(~p2_old + 1 == 0) && ~r1 + 256 <= 0) && (0 == ~nomsg + 1 || ~p2_old + 1 == 0)) && 1 <= check_~tmp~77) && !(0 == assert_#in~arg)) && 1 <= main_~c1~84) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: ((((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && 1 <= check_~tmp~77) && 0 == ~nomsg + 1) && 1 <= main_~c1~84) || (((((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && (0 == ~nomsg + 1 || ~p2_old + 1 == 0)) && ~r1 <= 256) && 1 <= check_~tmp~77) && 1 <= main_~c1~84)) || ((((!(~p2_old + 1 == 0) && ~r1 + 256 <= 0) && (0 == ~nomsg + 1 || ~p2_old + 1 == 0)) && 1 <= check_~tmp~77) && 1 <= main_~c1~84) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && 0 == ~nomsg + 1) || (((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && 0 == ~nomsg + 1) && ~r1 <= 256)) || (((512 <= ~mode3 && ~mode2 == 0) && ~r1 + 256 <= 0) && 0 == ~nomsg + 1) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (((~r1 + 256 <= 0 && 0 == ~nomsg + 1) && 0 <= ~p2_new) || (((!(0 == assert_~arg) && ~r1 <= 256) && 0 == ~nomsg + 1) && 0 <= ~p2_new)) || ((((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && ~mode2 == 0) && 0 == ~nomsg + 1) && ~r1 <= 256) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: ((((512 <= ~mode3 && ~r1 + 256 <= 0) && 0 == ~nomsg + 1) && 0 <= ~p2_new) || (((!(0 == assert_~arg) && ~r1 <= 256) && 0 == ~nomsg + 1) && 0 <= ~p2_new)) || ((((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && ~mode2 == 0) && 0 == ~nomsg + 1) && ~r1 <= 256) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && 0 == ~nomsg + 1) || (((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && (0 == ~nomsg + 1 || ~p2_old + 1 == 0)) && ~r1 <= 256)) || ((!(~p2_old + 1 == 0) && ~r1 + 256 <= 0) && (0 == ~nomsg + 1 || ~p2_old + 1 == 0)) - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && !(0 == assert_#in~arg)) && 0 == ~nomsg + 1) || ((((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && 0 == ~nomsg + 1) && ~r1 <= 256) && !(0 == assert_#in~arg)) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && (0 == ~nomsg + 1 || ~p2_old + 1 == 0)) && ~r1 <= 256) && 1 <= check_~tmp~77) || ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && 1 <= check_~tmp~77) && 0 == ~nomsg + 1)) || (((!(~p2_old + 1 == 0) && ~r1 + 256 <= 0) && (0 == ~nomsg + 1 || ~p2_old + 1 == 0)) && 1 <= check_~tmp~77) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && 0 == ~nomsg + 1) || (((!(~p2_old + 1 == 0) && !(0 == assert_~arg)) && 0 == ~nomsg + 1) && ~r1 <= 256)) || ((((512 <= ~mode3 && ~mode2 == 0) && ~r1 + 256 <= 0) && ~mode1 + 256 <= 0) && 0 == ~nomsg + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. SAFE Result, 6.9s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 157 SDtfs, 134 SDslu, 151 SDs, 0 SdLazy, 71 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 77 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 73 NumberOfFragments, 737 HoareAnnotationTreeSize, 13 FomulaSimplifications, 2171 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 13 FomulaSimplificationsInter, 478 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 12174 SizeOfPredicates, 1 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 22/24 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/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-28_10-29-10-546.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-28_10-29-10-546.csv Received shutdown request...