java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 10:19:44,076 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 10:19:44,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 10:19:44,098 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-30 10:19:44,138 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 10:19:44,166 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 10:19:44,167 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 10:19:44,167 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 10:19:44,168 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 10:19:44,168 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 10:19:44,169 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 10:19:44,169 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 10:19:44,170 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 10:19:44,170 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 10:19:44,170 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 10:19:44,170 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 10:19:44,170 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 10:19:44,170 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 10:19:44,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 10:19:44,171 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 10:19:44,171 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 10:19:44,171 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 10:19:44,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 10:19:44,173 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 10:19:44,173 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 10:19:44,173 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 10:19:44,173 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 10:19:44,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:19:44,174 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 10:19:44,174 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 10:19:44,174 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 10:19:44,174 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 10:19:44,175 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 10:19:44,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 10:19:44,175 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 10:19:44,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 10:19:44,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 10:19:44,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 10:19:44,269 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 10:19:44,269 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 10:19:44,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl [2018-09-30 10:19:44,271 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl' [2018-09-30 10:19:44,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 10:19:44,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 10:19:44,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 10:19:44,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 10:19:44,354 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 10:19:44,374 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 30.09 10:19:44" (1/1) ... [2018-09-30 10:19:44,389 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 30.09 10:19:44" (1/1) ... [2018-09-30 10:19:44,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 10:19:44,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 10:19:44,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 10:19:44,399 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 10:19:44,410 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 30.09 10:19:44" (1/1) ... [2018-09-30 10:19:44,411 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 30.09 10:19:44" (1/1) ... [2018-09-30 10:19:44,419 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 30.09 10:19:44" (1/1) ... [2018-09-30 10:19:44,420 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 30.09 10:19:44" (1/1) ... [2018-09-30 10:19:44,435 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 30.09 10:19:44" (1/1) ... [2018-09-30 10:19:44,440 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 30.09 10:19:44" (1/1) ... [2018-09-30 10:19:44,443 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 30.09 10:19:44" (1/1) ... [2018-09-30 10:19:44,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 10:19:44,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 10:19:44,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 10:19:44,452 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 10:19:44,453 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 30.09 10:19:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:19:44,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 10:19:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 10:19:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 10:19:45,145 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 10:19:45,146 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 30.09 10:19:45 BoogieIcfgContainer [2018-09-30 10:19:45,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 10:19:45,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 10:19:45,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 10:19:45,151 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 10:19:45,151 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 30.09 10:19:44" (1/2) ... [2018-09-30 10:19:45,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb9f00c 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 30.09 10:19:45, skipping insertion in model container [2018-09-30 10:19:45,152 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 30.09 10:19:45" (2/2) ... [2018-09-30 10:19:45,154 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c_9.bplTransformedIcfg_BEv2_26.bpl [2018-09-30 10:19:45,164 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 10:19:45,172 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 10:19:45,221 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 10:19:45,221 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 10:19:45,222 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 10:19:45,222 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 10:19:45,222 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 10:19:45,222 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 10:19:45,222 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 10:19:45,223 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 10:19:45,223 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 10:19:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-09-30 10:19:45,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 10:19:45,242 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:45,243 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:19:45,245 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:45,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:45,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1823027031, now seen corresponding path program 1 times [2018-09-30 10:19:45,253 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:45,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:45,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:45,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:45,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:45,458 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:19:45,458 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:19:45,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:19:45,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:19:45,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:19:45,478 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-09-30 10:19:45,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:45,542 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2018-09-30 10:19:45,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:19:45,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-30 10:19:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:45,555 INFO L225 Difference]: With dead ends: 33 [2018-09-30 10:19:45,555 INFO L226 Difference]: Without dead ends: 17 [2018-09-30 10:19:45,559 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:19:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-09-30 10:19:45,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-09-30 10:19:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-09-30 10:19:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2018-09-30 10:19:45,597 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 14 [2018-09-30 10:19:45,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:45,598 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2018-09-30 10:19:45,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:19:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-09-30 10:19:45,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 10:19:45,599 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:45,599 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:19:45,599 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:45,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:45,600 INFO L82 PathProgramCache]: Analyzing trace with hash 2081192469, now seen corresponding path program 1 times [2018-09-30 10:19:45,600 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:45,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:45,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:45,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:45,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:45,693 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:19:45,694 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:19:45,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:19:45,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:19:45,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:19:45,699 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand 3 states. [2018-09-30 10:19:45,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:45,746 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2018-09-30 10:19:45,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:19:45,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-30 10:19:45,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:45,747 INFO L225 Difference]: With dead ends: 45 [2018-09-30 10:19:45,748 INFO L226 Difference]: Without dead ends: 31 [2018-09-30 10:19:45,749 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:19:45,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-09-30 10:19:45,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2018-09-30 10:19:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-09-30 10:19:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2018-09-30 10:19:45,757 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 14 [2018-09-30 10:19:45,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:45,758 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2018-09-30 10:19:45,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:19:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2018-09-30 10:19:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 10:19:45,759 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:45,759 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:19:45,760 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:45,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:45,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1820747817, now seen corresponding path program 1 times [2018-09-30 10:19:45,760 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:45,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:45,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:45,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:45,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:45,853 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:19:45,854 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:19:45,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:19:45,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:19:45,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:19:45,855 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 3 states. [2018-09-30 10:19:45,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:45,899 INFO L93 Difference]: Finished difference Result 59 states and 80 transitions. [2018-09-30 10:19:45,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:19:45,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-30 10:19:45,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:45,901 INFO L225 Difference]: With dead ends: 59 [2018-09-30 10:19:45,901 INFO L226 Difference]: Without dead ends: 33 [2018-09-30 10:19:45,902 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:19:45,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-09-30 10:19:45,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-09-30 10:19:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-09-30 10:19:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2018-09-30 10:19:45,912 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 14 [2018-09-30 10:19:45,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:45,912 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2018-09-30 10:19:45,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:19:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2018-09-30 10:19:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 10:19:45,913 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:45,913 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:19:45,914 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:45,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:45,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1664872853, now seen corresponding path program 1 times [2018-09-30 10:19:45,914 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:45,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:45,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:45,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:45,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:45,993 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:19:45,993 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:19:45,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:19:45,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:19:45,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:19:45,995 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand 3 states. [2018-09-30 10:19:46,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:46,034 INFO L93 Difference]: Finished difference Result 85 states and 115 transitions. [2018-09-30 10:19:46,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:19:46,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-30 10:19:46,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:46,037 INFO L225 Difference]: With dead ends: 85 [2018-09-30 10:19:46,037 INFO L226 Difference]: Without dead ends: 59 [2018-09-30 10:19:46,038 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:19:46,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-09-30 10:19:46,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2018-09-30 10:19:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-09-30 10:19:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2018-09-30 10:19:46,061 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 14 [2018-09-30 10:19:46,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:46,062 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2018-09-30 10:19:46,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:19:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2018-09-30 10:19:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 10:19:46,063 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:46,063 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:19:46,064 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:46,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:46,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1607614551, now seen corresponding path program 1 times [2018-09-30 10:19:46,065 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:46,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:46,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:46,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:46,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:46,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:46,260 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:19:46,261 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-30 10:19:46,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 10:19:46,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 10:19:46,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 10:19:46,262 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand 4 states. [2018-09-30 10:19:46,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:46,417 INFO L93 Difference]: Finished difference Result 113 states and 152 transitions. [2018-09-30 10:19:46,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 10:19:46,418 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-09-30 10:19:46,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:46,421 INFO L225 Difference]: With dead ends: 113 [2018-09-30 10:19:46,422 INFO L226 Difference]: Without dead ends: 111 [2018-09-30 10:19:46,422 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 10:19:46,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-09-30 10:19:46,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 65. [2018-09-30 10:19:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-30 10:19:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2018-09-30 10:19:46,445 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 14 [2018-09-30 10:19:46,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:46,445 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2018-09-30 10:19:46,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 10:19:46,445 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2018-09-30 10:19:46,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 10:19:46,446 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:46,446 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:19:46,447 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:46,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:46,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1607674133, now seen corresponding path program 1 times [2018-09-30 10:19:46,447 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:46,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:46,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:46,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:46,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:46,587 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:19:46,587 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-30 10:19:46,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 10:19:46,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 10:19:46,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 10:19:46,588 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 4 states. [2018-09-30 10:19:46,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:46,833 INFO L93 Difference]: Finished difference Result 150 states and 195 transitions. [2018-09-30 10:19:46,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 10:19:46,834 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-09-30 10:19:46,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:46,835 INFO L225 Difference]: With dead ends: 150 [2018-09-30 10:19:46,836 INFO L226 Difference]: Without dead ends: 92 [2018-09-30 10:19:46,836 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 10:19:46,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-09-30 10:19:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 65. [2018-09-30 10:19:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-09-30 10:19:46,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2018-09-30 10:19:46,858 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 14 [2018-09-30 10:19:46,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:46,859 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2018-09-30 10:19:46,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 10:19:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2018-09-30 10:19:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 10:19:46,860 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:19:46,861 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] [2018-09-30 10:19:46,861 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:19:46,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:19:46,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1173123511, now seen corresponding path program 1 times [2018-09-30 10:19:46,862 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:19:46,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:19:46,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:46,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:46,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:19:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:19:47,072 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:19:47,072 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:19:47,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:19:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:19:47,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:19:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 10:19:47,333 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-30 10:19:47,334 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-09-30 10:19:47,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-30 10:19:47,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-30 10:19:47,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-30 10:19:47,337 INFO L87 Difference]: Start difference. First operand 65 states and 80 transitions. Second operand 6 states. [2018-09-30 10:19:47,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:19:47,864 INFO L93 Difference]: Finished difference Result 119 states and 148 transitions. [2018-09-30 10:19:47,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-30 10:19:47,864 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-09-30 10:19:47,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:19:47,865 INFO L225 Difference]: With dead ends: 119 [2018-09-30 10:19:47,865 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 10:19:47,866 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2018-09-30 10:19:47,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 10:19:47,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 10:19:47,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 10:19:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 10:19:47,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-09-30 10:19:47,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:19:47,867 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 10:19:47,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-30 10:19:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 10:19:47,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 10:19:47,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 10:19:47,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:47,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:48,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:48,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:48,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:48,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:48,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:19:48,324 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2018-09-30 10:19:48,633 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-09-30 10:19:48,759 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-09-30 10:19:48,883 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-09-30 10:19:49,001 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-09-30 10:19:49,102 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2018-09-30 10:19:49,662 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-09-30 10:19:49,666 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 47 313) no Hoare annotation was computed. [2018-09-30 10:19:49,666 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 .cse0 .cse2 (not (= (+ ~p2_old 1) 0)) .cse3) (and (<= 512 ~mode3) .cse1 (<= (+ ~r1 256) 0) .cse3))) [2018-09-30 10:19:49,667 INFO L422 ceAbstractionStarter]: At program point L281(lines 276 282) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse1 (<= ~r1 256)) (.cse2 (<= 1 ULTIMATE.start_check_~tmp~77)) (.cse4 (not (= (+ ~p2_old 1) 0))) (.cse3 (= 0 (+ ~nomsg 1)))) (or (and .cse0 (= ~mode2 0) .cse1 .cse2 .cse3) (and (<= (+ ~r1 256) 0) .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3))) [2018-09-30 10:19:49,667 INFO L422 ceAbstractionStarter]: At program point L310(lines 191 310) the Hoare annotation is: (let ((.cse1 (= ~mode2 0)) (.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse2 (<= ~r1 256)) (.cse3 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 512 ~mode3) .cse1 (<= (+ ~r1 256) 0) (<= (+ ~mode1 256) 0) .cse3) (and .cse0 .cse2 (not (= (+ ~p2_old 1) 0)) .cse3))) [2018-09-30 10:19:49,667 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))) (.cse3 (<= ~r1 256)) (.cse0 (= 0 (+ ~nomsg 1)))) (or (and (<= 512 ~mode3) (<= (+ ~r1 256) 0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1) (and .cse2 (= ~mode2 0) .cse3 (not (= (+ ~p2_old 1) 0)) .cse0))) [2018-09-30 10:19:49,667 INFO L422 ceAbstractionStarter]: At program point L302(lines 302 308) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse1 (<= ~r1 256)) (.cse2 (not (= 0 |ULTIMATE.start_assert_#in~arg|))) (.cse3 (= 0 (+ ~nomsg 1)))) (or (and .cse0 (= ~mode2 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 (not (= (+ ~p2_old 1) 0)) .cse2 .cse3))) [2018-09-30 10:19:49,668 INFO L422 ceAbstractionStarter]: At program point L298(lines 294 299) the Hoare annotation is: (let ((.cse3 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse4 (<= ~r1 256)) (.cse0 (not (= (+ ~p2_old 1) 0))) (.cse1 (not (= 0 |ULTIMATE.start_assert_#in~arg|))) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and (<= (+ ~r1 256) 0) (<= 1 ULTIMATE.start_check_~tmp~77) .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start_main_~c1~84)) (and .cse3 (= ~mode2 0) .cse4 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse1 .cse2))) [2018-09-30 10:19:49,668 INFO L422 ceAbstractionStarter]: At program point L288(lines 288 295) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse1 (<= ~r1 256)) (.cse2 (<= 1 ULTIMATE.start_check_~tmp~77)) (.cse5 (not (= (+ ~p2_old 1) 0))) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= 1 ULTIMATE.start_main_~c1~84))) (or (and .cse0 (= ~mode2 0) .cse1 .cse2 .cse3 .cse4) (and (<= (+ ~r1 256) 0) .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse4))) [2018-09-30 10:19:49,668 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 47 313) no Hoare annotation was computed. [2018-09-30 10:19:49,668 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 47 313) no Hoare annotation was computed. [2018-09-30 10:19:49,669 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 .cse0 .cse2 (not (= (+ ~p2_old 1) 0)) .cse3) (and (<= 512 ~mode3) .cse1 (<= (+ ~r1 256) 0) .cse3))) [2018-09-30 10:19:49,669 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))) (.cse3 (<= ~r1 256)) (.cse0 (= 0 (+ ~nomsg 1)))) (or (and (<= 512 ~mode3) (<= (+ ~r1 256) 0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1) (and .cse2 (= ~mode2 0) .cse3 (not (= (+ ~p2_old 1) 0)) .cse0))) [2018-09-30 10:19:49,669 INFO L422 ceAbstractionStarter]: At program point L307(lines 307 311) the Hoare annotation is: false [2018-09-30 10:19:49,669 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 312) no Hoare annotation was computed. [2018-09-30 10:19:49,670 INFO L422 ceAbstractionStarter]: At program point L270(lines 270 277) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse1 (<= ~r1 256)) (.cse3 (not (= (+ ~p2_old 1) 0))) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and .cse0 (= ~mode2 0) .cse1 .cse2) (and (<= (+ ~r1 256) 0) .cse3 .cse2) (and .cse0 .cse1 .cse3 .cse2))) [2018-09-30 10:19:49,670 INFO L422 ceAbstractionStarter]: At program point L196(lines 196 209) the Hoare annotation is: (let ((.cse1 (= ~mode2 0)) (.cse0 (not (= 0 ULTIMATE.start_assert_~arg))) (.cse2 (<= ~r1 256)) (.cse3 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 512 ~mode3) .cse1 (<= (+ ~r1 256) 0) (<= (+ ~mode1 256) 0) .cse3) (and .cse0 .cse2 (not (= (+ ~p2_old 1) 0)) .cse3))) [2018-09-30 10:19:49,670 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))) (.cse3 (<= ~r1 256)) (.cse0 (= 0 (+ ~nomsg 1)))) (or (and (<= (+ ~r1 256) 0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1) (and .cse2 (= ~mode2 0) .cse3 (not (= (+ ~p2_old 1) 0)) .cse0))) [2018-09-30 10:19:49,690 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 30.09 10:19:49 BoogieIcfgContainer [2018-09-30 10:19:49,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 10:19:49,691 INFO L168 Benchmark]: Toolchain (without parser) took 5341.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 288.1 MB). Peak memory consumption was 288.1 MB. Max. memory is 7.1 GB. [2018-09-30 10:19:49,692 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:19:49,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:19:49,694 INFO L168 Benchmark]: Boogie Preprocessor took 52.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:19:49,694 INFO L168 Benchmark]: RCFGBuilder took 694.34 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-30 10:19:49,695 INFO L168 Benchmark]: TraceAbstraction took 4543.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 245.8 MB). Peak memory consumption was 245.8 MB. Max. memory is 7.1 GB. [2018-09-30 10:19:49,703 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 0.20 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 45.00 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 52.74 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 694.34 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4543.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 245.8 MB). Peak memory consumption was 245.8 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) || (((!(0 == assert_~arg) && ~r1 <= 256) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1)) || (((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) || ((((512 <= ~mode3 && ~mode2 == 0) && ~r1 + 256 <= 0) && ~mode1 + 256 <= 0) && 0 == ~nomsg + 1)) || (((!(0 == assert_~arg) && ~r1 <= 256) && !(~p2_old + 1 == 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)) || ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((((((~r1 + 256 <= 0 && 1 <= check_~tmp~77) && !(~p2_old + 1 == 0)) && !(0 == assert_#in~arg)) && 0 == ~nomsg + 1) && 1 <= main_~c1~84) || ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && !(0 == assert_#in~arg)) && 0 == ~nomsg + 1)) || ((((!(0 == assert_~arg) && ~r1 <= 256) && !(~p2_old + 1 == 0)) && !(0 == assert_#in~arg)) && 0 == ~nomsg + 1) - 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) || ((((~r1 + 256 <= 0 && 1 <= check_~tmp~77) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) && 1 <= main_~c1~84)) || (((((!(0 == assert_~arg) && ~r1 <= 256) && 1 <= check_~tmp~77) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) && 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) || (((!(0 == assert_~arg) && ~r1 <= 256) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1)) || (((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)) || ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) - 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)) || ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && 0 == ~nomsg + 1) || ((~r1 + 256 <= 0 && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1)) || (((!(0 == assert_~arg) && ~r1 <= 256) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && !(0 == assert_#in~arg)) && 0 == ~nomsg + 1) || ((((!(0 == assert_~arg) && ~r1 <= 256) && !(~p2_old + 1 == 0)) && !(0 == assert_#in~arg)) && 0 == ~nomsg + 1) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && 1 <= check_~tmp~77) && 0 == ~nomsg + 1) || (((~r1 + 256 <= 0 && 1 <= check_~tmp~77) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1)) || ((((!(0 == assert_~arg) && ~r1 <= 256) && 1 <= check_~tmp~77) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((!(0 == assert_~arg) && ~mode2 == 0) && ~r1 <= 256) && 0 == ~nomsg + 1) || ((((512 <= ~mode3 && ~mode2 == 0) && ~r1 + 256 <= 0) && ~mode1 + 256 <= 0) && 0 == ~nomsg + 1)) || (((!(0 == assert_~arg) && ~r1 <= 256) && !(~p2_old + 1 == 0)) && 0 == ~nomsg + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. SAFE Result, 4.4s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 157 SDtfs, 134 SDslu, 151 SDs, 0 SdLazy, 71 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s 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, 689 HoareAnnotationTreeSize, 13 FomulaSimplifications, 2131 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 13 FomulaSimplificationsInter, 33 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 7499 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.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_10-19-49-735.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.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_10-19-49-735.csv Received shutdown request...