java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4eac566 [2018-09-23 19:44:11,476 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 19:44:11,478 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 19:44:11,491 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 19:44:11,491 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 19:44:11,492 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 19:44:11,493 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 19:44:11,495 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 19:44:11,499 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 19:44:11,500 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 19:44:11,501 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-23 19:44:11,537 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 [2018-09-23 19:44:11,556 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 19:44:11,556 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 19:44:11,557 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 19:44:11,557 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 19:44:11,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 19:44:11,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 19:44:11,558 INFO L133 SettingsManager]: * Use SBE=true [2018-09-23 19:44:11,559 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 19:44:11,559 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 19:44:11,559 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 19:44:11,559 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 19:44:11,560 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 19:44:11,560 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 19:44:11,560 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 19:44:11,560 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 19:44:11,560 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 19:44:11,560 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 19:44:11,561 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 19:44:11,561 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 19:44:11,561 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-23 19:44:11,561 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 19:44:11,561 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-23 19:44:11,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 19:44:11,562 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 19:44:11,562 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 19:44:11,562 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 19:44:11,562 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-23 19:44:11,563 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 19:44:11,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 19:44:11,563 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 19:44:11,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 19:44:11,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 19:44:11,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 19:44:11,626 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 19:44:11,627 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 19:44:11,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl [2018-09-23 19:44:11,628 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl' [2018-09-23 19:44:11,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 19:44:11,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 19:44:11,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 19:44:11,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 19:44:11,731 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 19:44:11,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (1/1) ... [2018-09-23 19:44:11,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (1/1) ... [2018-09-23 19:44:11,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 19:44:11,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 19:44:11,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 19:44:11,790 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 19:44:11,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (1/1) ... [2018-09-23 19:44:11,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (1/1) ... [2018-09-23 19:44:11,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (1/1) ... [2018-09-23 19:44:11,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (1/1) ... [2018-09-23 19:44:11,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (1/1) ... [2018-09-23 19:44:11,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (1/1) ... [2018-09-23 19:44:11,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (1/1) ... [2018-09-23 19:44:11,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 19:44:11,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 19:44:11,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 19:44:11,847 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 19:44:11,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (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 [2018-09-23 19:44:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 19:44:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 19:44:12,498 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 19:44:12,499 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:44:12 BoogieIcfgContainer [2018-09-23 19:44:12,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 19:44:12,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-23 19:44:12,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-23 19:44:12,503 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-23 19:44:12,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:11" (1/2) ... [2018-09-23 19:44:12,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214e0474 and model type pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 07:44:12, skipping insertion in model container [2018-09-23 19:44:12,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:44:12" (2/2) ... [2018-09-23 19:44:12,506 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl [2018-09-23 19:44:12,515 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-23 19:44:12,524 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-23 19:44:12,571 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-23 19:44:12,571 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-23 19:44:12,572 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-23 19:44:12,572 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-23 19:44:12,572 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-23 19:44:12,572 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-23 19:44:12,572 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-23 19:44:12,572 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-23 19:44:12,573 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-23 19:44:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-09-23 19:44:12,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 19:44:12,596 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:12,599 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:12,600 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:12,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:12,608 INFO L82 PathProgramCache]: Analyzing trace with hash -417618663, now seen corresponding path program 1 times [2018-09-23 19:44:12,610 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:12,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:12,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:12,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:12,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:12,878 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:12,879 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:12,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:12,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:12,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:12,896 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2018-09-23 19:44:12,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:12,941 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2018-09-23 19:44:12,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:12,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-23 19:44:12,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:12,954 INFO L225 Difference]: With dead ends: 51 [2018-09-23 19:44:12,954 INFO L226 Difference]: Without dead ends: 33 [2018-09-23 19:44:12,958 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 [2018-09-23 19:44:12,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-09-23 19:44:12,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2018-09-23 19:44:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-09-23 19:44:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2018-09-23 19:44:13,002 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 16 [2018-09-23 19:44:13,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:13,002 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2018-09-23 19:44:13,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-09-23 19:44:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 19:44:13,003 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:13,003 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:13,004 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:13,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:13,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1428735913, now seen corresponding path program 1 times [2018-09-23 19:44:13,004 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:13,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:13,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:13,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:13,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:13,172 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:13,172 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:13,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:13,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:13,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:13,175 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2018-09-23 19:44:13,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:13,211 INFO L93 Difference]: Finished difference Result 91 states and 127 transitions. [2018-09-23 19:44:13,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:13,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-23 19:44:13,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:13,213 INFO L225 Difference]: With dead ends: 91 [2018-09-23 19:44:13,214 INFO L226 Difference]: Without dead ends: 61 [2018-09-23 19:44:13,215 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 [2018-09-23 19:44:13,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-09-23 19:44:13,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2018-09-23 19:44:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-09-23 19:44:13,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2018-09-23 19:44:13,233 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 16 [2018-09-23 19:44:13,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:13,234 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2018-09-23 19:44:13,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-09-23 19:44:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 19:44:13,235 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:13,235 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:13,235 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:13,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:13,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1821762923, now seen corresponding path program 1 times [2018-09-23 19:44:13,236 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:13,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:13,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:13,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:13,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:13,388 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:13,388 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:13,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:13,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:13,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:13,389 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2018-09-23 19:44:13,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:13,463 INFO L93 Difference]: Finished difference Result 175 states and 244 transitions. [2018-09-23 19:44:13,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:13,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-23 19:44:13,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:13,470 INFO L225 Difference]: With dead ends: 175 [2018-09-23 19:44:13,470 INFO L226 Difference]: Without dead ends: 117 [2018-09-23 19:44:13,471 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 [2018-09-23 19:44:13,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-09-23 19:44:13,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2018-09-23 19:44:13,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-09-23 19:44:13,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2018-09-23 19:44:13,520 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 16 [2018-09-23 19:44:13,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:13,521 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2018-09-23 19:44:13,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:13,521 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2018-09-23 19:44:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 19:44:13,522 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:13,522 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:13,522 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:13,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:13,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1012416297, now seen corresponding path program 1 times [2018-09-23 19:44:13,523 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:13,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:13,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:13,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:13,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:13,612 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:13,612 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:13,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:13,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:13,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:13,614 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand 3 states. [2018-09-23 19:44:13,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:13,685 INFO L93 Difference]: Finished difference Result 343 states and 472 transitions. [2018-09-23 19:44:13,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:13,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-23 19:44:13,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:13,693 INFO L225 Difference]: With dead ends: 343 [2018-09-23 19:44:13,694 INFO L226 Difference]: Without dead ends: 229 [2018-09-23 19:44:13,697 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 [2018-09-23 19:44:13,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-09-23 19:44:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 227. [2018-09-23 19:44:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-09-23 19:44:13,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 306 transitions. [2018-09-23 19:44:13,756 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 306 transitions. Word has length 16 [2018-09-23 19:44:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:13,756 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 306 transitions. [2018-09-23 19:44:13,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 306 transitions. [2018-09-23 19:44:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 19:44:13,757 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:13,757 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:13,759 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:13,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:13,759 INFO L82 PathProgramCache]: Analyzing trace with hash -955157995, now seen corresponding path program 1 times [2018-09-23 19:44:13,760 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:13,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:13,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:13,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:13,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:13,830 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:13,830 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:13,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:13,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:13,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:13,831 INFO L87 Difference]: Start difference. First operand 227 states and 306 transitions. Second operand 3 states. [2018-09-23 19:44:13,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:13,929 INFO L93 Difference]: Finished difference Result 569 states and 770 transitions. [2018-09-23 19:44:13,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:13,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-23 19:44:13,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:13,933 INFO L225 Difference]: With dead ends: 569 [2018-09-23 19:44:13,933 INFO L226 Difference]: Without dead ends: 343 [2018-09-23 19:44:13,937 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 [2018-09-23 19:44:13,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-09-23 19:44:13,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 341. [2018-09-23 19:44:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-09-23 19:44:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 456 transitions. [2018-09-23 19:44:14,004 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 456 transitions. Word has length 16 [2018-09-23 19:44:14,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:14,005 INFO L480 AbstractCegarLoop]: Abstraction has 341 states and 456 transitions. [2018-09-23 19:44:14,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 456 transitions. [2018-09-23 19:44:14,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 19:44:14,006 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:14,006 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:14,006 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:14,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:14,007 INFO L82 PathProgramCache]: Analyzing trace with hash -955217577, now seen corresponding path program 1 times [2018-09-23 19:44:14,007 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:14,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:14,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:14,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:14,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:14,186 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:14,186 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-23 19:44:14,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-23 19:44:14,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-23 19:44:14,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-23 19:44:14,188 INFO L87 Difference]: Start difference. First operand 341 states and 456 transitions. Second operand 4 states. [2018-09-23 19:44:14,351 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-23 19:44:14,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:14,544 INFO L93 Difference]: Finished difference Result 610 states and 805 transitions. [2018-09-23 19:44:14,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-23 19:44:14,545 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-09-23 19:44:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:14,549 INFO L225 Difference]: With dead ends: 610 [2018-09-23 19:44:14,549 INFO L226 Difference]: Without dead ends: 608 [2018-09-23 19:44:14,550 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-23 19:44:14,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2018-09-23 19:44:14,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 373. [2018-09-23 19:44:14,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-09-23 19:44:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 480 transitions. [2018-09-23 19:44:14,612 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 480 transitions. Word has length 16 [2018-09-23 19:44:14,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:14,612 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 480 transitions. [2018-09-23 19:44:14,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-23 19:44:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 480 transitions. [2018-09-23 19:44:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 19:44:14,615 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:14,616 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:14,616 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:14,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:14,616 INFO L82 PathProgramCache]: Analyzing trace with hash 509433139, now seen corresponding path program 1 times [2018-09-23 19:44:14,617 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:14,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:14,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:14,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:14,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:14,818 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:14,818 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:44:14,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:14,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:14,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:14,819 INFO L87 Difference]: Start difference. First operand 373 states and 480 transitions. Second operand 3 states. [2018-09-23 19:44:15,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:15,001 INFO L93 Difference]: Finished difference Result 1113 states and 1434 transitions. [2018-09-23 19:44:15,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:15,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-23 19:44:15,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:15,007 INFO L225 Difference]: With dead ends: 1113 [2018-09-23 19:44:15,007 INFO L226 Difference]: Without dead ends: 743 [2018-09-23 19:44:15,010 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:15,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2018-09-23 19:44:15,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 741. [2018-09-23 19:44:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-09-23 19:44:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 932 transitions. [2018-09-23 19:44:15,130 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 932 transitions. Word has length 30 [2018-09-23 19:44:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:15,131 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 932 transitions. [2018-09-23 19:44:15,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 932 transitions. [2018-09-23 19:44:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 19:44:15,134 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:15,134 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:15,134 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:15,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:15,135 INFO L82 PathProgramCache]: Analyzing trace with hash 251267701, now seen corresponding path program 1 times [2018-09-23 19:44:15,135 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:15,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:15,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:15,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:15,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:15,295 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-23 19:44:15,295 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 [2018-09-23 19:44:15,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:15,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 19:44:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-23 19:44:15,706 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-23 19:44:15,706 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-09-23 19:44:15,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-23 19:44:15,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-23 19:44:15,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-23 19:44:15,707 INFO L87 Difference]: Start difference. First operand 741 states and 932 transitions. Second operand 7 states. [2018-09-23 19:44:15,937 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-23 19:44:16,284 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-23 19:44:17,306 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-23 19:44:18,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:18,658 INFO L93 Difference]: Finished difference Result 2109 states and 2642 transitions. [2018-09-23 19:44:18,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-23 19:44:18,659 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-09-23 19:44:18,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:18,667 INFO L225 Difference]: With dead ends: 2109 [2018-09-23 19:44:18,667 INFO L226 Difference]: Without dead ends: 1371 [2018-09-23 19:44:18,669 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-23 19:44:18,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-09-23 19:44:18,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 933. [2018-09-23 19:44:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2018-09-23 19:44:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1156 transitions. [2018-09-23 19:44:18,947 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1156 transitions. Word has length 30 [2018-09-23 19:44:18,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:18,948 INFO L480 AbstractCegarLoop]: Abstraction has 933 states and 1156 transitions. [2018-09-23 19:44:18,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-23 19:44:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1156 transitions. [2018-09-23 19:44:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 19:44:18,953 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:18,953 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2018-09-23 19:44:18,954 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:18,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:18,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1989135149, now seen corresponding path program 2 times [2018-09-23 19:44:18,954 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:18,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:18,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:18,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:18,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-09-23 19:44:19,138 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:19,138 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:44:19,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:19,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:19,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:19,139 INFO L87 Difference]: Start difference. First operand 933 states and 1156 transitions. Second operand 3 states. [2018-09-23 19:44:19,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:19,471 INFO L93 Difference]: Finished difference Result 2161 states and 2654 transitions. [2018-09-23 19:44:19,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:19,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-09-23 19:44:19,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:19,479 INFO L225 Difference]: With dead ends: 2161 [2018-09-23 19:44:19,479 INFO L226 Difference]: Without dead ends: 975 [2018-09-23 19:44:19,481 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:19,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2018-09-23 19:44:19,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 797. [2018-09-23 19:44:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2018-09-23 19:44:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 959 transitions. [2018-09-23 19:44:19,669 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 959 transitions. Word has length 58 [2018-09-23 19:44:19,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:19,669 INFO L480 AbstractCegarLoop]: Abstraction has 797 states and 959 transitions. [2018-09-23 19:44:19,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 959 transitions. [2018-09-23 19:44:19,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 19:44:19,671 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:19,671 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2018-09-23 19:44:19,671 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:19,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:19,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1225807471, now seen corresponding path program 3 times [2018-09-23 19:44:19,672 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:19,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:19,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:19,674 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-23 19:44:19,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-23 19:44:19,754 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:19,754 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:19,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:19,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:19,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:19,755 INFO L87 Difference]: Start difference. First operand 797 states and 959 transitions. Second operand 3 states. [2018-09-23 19:44:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:19,775 INFO L93 Difference]: Finished difference Result 799 states and 961 transitions. [2018-09-23 19:44:19,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:19,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-09-23 19:44:19,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:19,776 INFO L225 Difference]: With dead ends: 799 [2018-09-23 19:44:19,776 INFO L226 Difference]: Without dead ends: 0 [2018-09-23 19:44:19,777 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 [2018-09-23 19:44:19,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-23 19:44:19,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-23 19:44:19,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-23 19:44:19,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-23 19:44:19,778 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-09-23 19:44:19,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:19,778 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-23 19:44:19,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-23 19:44:19,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-23 19:44:19,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-23 19:44:19,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:19,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:20,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:44:22,195 WARN L178 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-09-23 19:44:22,632 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-23 19:44:23,094 WARN L178 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2018-09-23 19:44:23,420 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-09-23 19:44:23,731 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-09-23 19:44:23,865 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2018-09-23 19:44:24,069 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-09-23 19:44:24,211 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-23 19:44:24,515 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2018-09-23 19:44:24,765 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-09-23 19:44:24,900 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-09-23 19:44:25,042 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2018-09-23 19:44:25,046 INFO L422 ceAbstractionStarter]: At program point L353(lines 344 354) the Hoare annotation is: (let ((.cse6 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (= ~mode3 (* 256 (div ~mode3 256)))) (.cse1 (<= 1 ~mode2)) (.cse2 (<= ~mode2 1)) (.cse3 (<= ~send2 127)) (.cse4 (<= 0 ~send2)) (.cse5 (= 0 (+ ~nomsg 1))) (.cse7 (not (= ~p2_new ~nomsg)))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~mode4 (* 256 (div ~mode4 256)))) (and (<= ULTIMATE.start_assert_~arg 1) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ULTIMATE.start_check_~tmp~128) .cse5 (<= 1 ULTIMATE.start_assert_~arg) .cse6 .cse7) (and (<= ~mode3 1) (<= 1 ~mode3) (and (not (= ~p2_old ~nomsg)) .cse3 .cse4 .cse5)) (and .cse0 .cse1 .cse2 .cse3 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse4 .cse5 .cse7))) [2018-09-23 19:44:25,046 INFO L422 ceAbstractionStarter]: At program point L378(lines 378 387) the Hoare annotation is: (let ((.cse7 (<= 1 ~mode2)) (.cse0 (<= ~mode2 1)) (.cse1 (<= ~send2 127)) (.cse2 (<= 0 ~send2)) (.cse3 (<= ~mode3 1)) (.cse4 (<= 1 ~mode3)) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (not (= ~p2_new ~nomsg)))) (or (and (<= ULTIMATE.start_assert_~arg 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= (mod ~r1 256) 0) .cse7 (<= 1 ULTIMATE.start_check_~tmp~128) (<= 1 ULTIMATE.start_assert_~arg)) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256))) .cse6 (= ~mode4 (* 256 (div ~mode4 256)))) (and .cse7 .cse0 .cse1 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse2 .cse3 .cse4 .cse5 .cse6))) [2018-09-23 19:44:25,046 INFO L422 ceAbstractionStarter]: At program point L440(lines 435 441) the Hoare annotation is: (and (not (= ~p2_old ~nomsg)) (<= 1 ~mode2) (<= ~mode2 1) (<= ~send2 127) (<= 0 ~send2) (<= ~mode3 1) (<= 1 ULTIMATE.start_check_~tmp~128) (<= 1 ~mode3) (= 0 (+ ~nomsg 1))) [2018-09-23 19:44:25,046 INFO L422 ceAbstractionStarter]: At program point L358(lines 358 368) the Hoare annotation is: (let ((.cse6 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (= ~mode3 (* 256 (div ~mode3 256)))) (.cse1 (<= 1 ~mode2)) (.cse2 (<= ~mode2 1)) (.cse3 (<= ~send2 127)) (.cse4 (<= 0 ~send2)) (.cse5 (= 0 (+ ~nomsg 1))) (.cse7 (not (= ~p2_new ~nomsg)))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~mode4 (* 256 (div ~mode4 256)))) (and (<= ULTIMATE.start_assert_~arg 1) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ULTIMATE.start_check_~tmp~128) .cse5 (<= 1 ULTIMATE.start_assert_~arg) .cse6 .cse7) (and (<= ~mode3 1) (<= 1 ~mode3) (and (not (= ~p2_old ~nomsg)) .cse3 .cse4 .cse5)) (and .cse0 .cse1 .cse2 .cse3 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse4 .cse5 .cse7))) [2018-09-23 19:44:25,046 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 91 462) no Hoare annotation was computed. [2018-09-23 19:44:25,047 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 91 462) no Hoare annotation was computed. [2018-09-23 19:44:25,047 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 461) no Hoare annotation was computed. [2018-09-23 19:44:25,047 INFO L422 ceAbstractionStarter]: At program point L429(lines 429 436) the Hoare annotation is: (let ((.cse0 (not (= ~p2_old ~nomsg))) (.cse1 (<= 1 ~mode2)) (.cse2 (<= ~mode2 1)) (.cse3 (<= ~send2 127)) (.cse4 (<= 0 ~send2)) (.cse5 (<= ~mode3 1)) (.cse6 (<= 1 ~mode3)) (.cse7 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ~r1 (* 256 (div ~r1 256)))) (and .cse0 .cse1 .cse2 .cse3 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse4 .cse5 .cse6 .cse7))) [2018-09-23 19:44:25,047 INFO L422 ceAbstractionStarter]: At program point L330(lines 325 331) the Hoare annotation is: (let ((.cse0 (<= ~send2 127)) (.cse1 (<= 0 ~send2)) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and (not (= ~p2_old ~nomsg)) (<= 1 ~mode2) (<= ~mode2 1) .cse0 .cse1 (<= ~mode3 1) (<= 1 ~mode3) .cse2) (and (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 .cse1 .cse2 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256)))) (= ~mode2 (* 256 (div ~mode2 256)))))) [2018-09-23 19:44:25,047 INFO L422 ceAbstractionStarter]: At program point L450(lines 450 457) the Hoare annotation is: (and (<= ULTIMATE.start_assert_~arg 1) (not (= ~p2_old ~nomsg)) (<= 1 ~mode2) (<= ~mode2 1) (<= ~send2 127) (<= 0 ~send2) (<= ~mode3 1) (<= 1 ~mode3) (<= 1 ULTIMATE.start_check_~tmp~128) (= 0 (+ ~nomsg 1)) (<= 1 ULTIMATE.start_assert_~arg)) [2018-09-23 19:44:25,047 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 91 462) no Hoare annotation was computed. [2018-09-23 19:44:25,048 INFO L422 ceAbstractionStarter]: At program point L413(lines 407 414) the Hoare annotation is: (let ((.cse0 (<= 1 ~mode2)) (.cse1 (<= ~mode2 1)) (.cse2 (<= ~send2 127)) (.cse4 (<= 0 ~send2)) (.cse5 (<= ~mode3 1)) (.cse6 (<= 1 ~mode3)) (.cse7 (= 0 (+ ~nomsg 1))) (.cse8 (not (= ~p2_new ~nomsg)))) (or (and .cse0 .cse1 .cse2 (exists ((v_~r1_7 Int)) (let ((.cse3 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse3 1)) (<= .cse3 0)))) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 (<= ~r1 (* 256 (div ~r1 256))) .cse8))) [2018-09-23 19:44:25,048 INFO L422 ceAbstractionStarter]: At program point L314(lines 314 326) the Hoare annotation is: (let ((.cse0 (<= ~send2 127)) (.cse1 (<= 0 ~send2)) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) .cse0 (= ~mode2 (* 256 (div ~mode2 256))) .cse1 .cse2 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256)))) (and (not (= ~p2_old ~nomsg)) (<= 1 ~mode2) (<= ~mode2 1) .cse0 .cse1 (<= ~mode3 1) (<= 1 ~mode3) .cse2))) [2018-09-23 19:44:25,048 INFO L422 ceAbstractionStarter]: At program point L335(lines 335 345) the Hoare annotation is: (let ((.cse0 (<= ~send2 127)) (.cse1 (<= 0 ~send2)) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and (not (= ~p2_old ~nomsg)) (<= 1 ~mode2) (<= ~mode2 1) .cse0 .cse1 (<= ~mode3 1) (<= 1 ~mode3) .cse2) (and (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 .cse1 .cse2 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256)))) (= ~mode2 (* 256 (div ~mode2 256)))))) [2018-09-23 19:44:25,048 INFO L422 ceAbstractionStarter]: At program point L459(lines 307 459) the Hoare annotation is: (let ((.cse0 (<= ~send2 127)) (.cse1 (<= 0 ~send2)) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) .cse0 (= ~mode2 (* 256 (div ~mode2 256))) .cse1 .cse2 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256)))) (and (not (= ~p2_old ~nomsg)) (<= 1 ~mode2) (<= ~mode2 1) .cse0 .cse1 (<= ~mode3 1) (<= 1 ~mode3) .cse2))) [2018-09-23 19:44:25,048 INFO L422 ceAbstractionStarter]: At program point L393(lines 386 394) the Hoare annotation is: (let ((.cse7 (<= 1 ~mode2)) (.cse0 (<= ~mode2 1)) (.cse1 (<= ~send2 127)) (.cse2 (<= 0 ~send2)) (.cse3 (<= ~mode3 1)) (.cse4 (<= 1 ~mode3)) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (not (= ~p2_new ~nomsg)))) (or (and (<= ULTIMATE.start_assert_~arg 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= (mod ~r1 256) 0) .cse7 (<= 1 ULTIMATE.start_check_~tmp~128) (<= 1 ULTIMATE.start_assert_~arg)) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256))) .cse6) (and .cse7 .cse0 .cse1 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse2 .cse3 .cse4 .cse5 .cse6))) [2018-09-23 19:44:25,049 INFO L422 ceAbstractionStarter]: At program point L373(lines 367 374) the Hoare annotation is: (let ((.cse7 (<= 1 ~mode2)) (.cse0 (<= ~mode2 1)) (.cse1 (<= ~send2 127)) (.cse2 (<= 0 ~send2)) (.cse3 (<= ~mode3 1)) (.cse4 (<= 1 ~mode3)) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (not (= ~p2_new ~nomsg)))) (or (and (<= ULTIMATE.start_assert_~arg 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= (mod ~r1 256) 0) .cse7 (<= 1 ULTIMATE.start_check_~tmp~128) (<= 1 ULTIMATE.start_assert_~arg)) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256))) .cse6 (= ~mode4 (* 256 (div ~mode4 256)))) (and .cse7 .cse0 .cse1 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse2 .cse3 .cse4 .cse5 .cse6))) [2018-09-23 19:44:25,049 INFO L422 ceAbstractionStarter]: At program point L398(lines 398 408) the Hoare annotation is: (let ((.cse7 (<= 1 ~mode2)) (.cse0 (<= ~mode2 1)) (.cse1 (<= ~send2 127)) (.cse2 (<= 0 ~send2)) (.cse3 (<= ~mode3 1)) (.cse4 (<= 1 ~mode3)) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (not (= ~p2_new ~nomsg)))) (or (and (<= ULTIMATE.start_assert_~arg 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= (mod ~r1 256) 0) .cse7 (<= 1 ULTIMATE.start_check_~tmp~128) (<= 1 ULTIMATE.start_assert_~arg)) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256))) .cse6) (and .cse7 .cse0 .cse1 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse2 .cse3 .cse4 .cse5 .cse6))) [2018-09-23 19:44:25,049 INFO L422 ceAbstractionStarter]: At program point L456(lines 456 460) the Hoare annotation is: false [2018-09-23 19:44:25,057 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,058 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,064 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,064 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,067 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,067 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,069 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,069 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,074 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,074 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,077 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,078 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,081 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,081 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,084 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,084 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,087 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,087 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,089 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,090 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,091 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,092 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,093 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,093 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,095 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,095 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,098 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,098 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,101 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,101 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,104 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,104 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,107 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 07:44:25 BoogieIcfgContainer [2018-09-23 19:44:25,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-23 19:44:25,108 INFO L168 Benchmark]: Toolchain (without parser) took 13380.66 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 131.6 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -144.1 MB). Peak memory consumption was 601.0 MB. Max. memory is 7.1 GB. [2018-09-23 19:44:25,110 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-09-23 19:44:25,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.00 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. [2018-09-23 19:44:25,111 INFO L168 Benchmark]: Boogie Preprocessor took 57.02 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. [2018-09-23 19:44:25,111 INFO L168 Benchmark]: RCFGBuilder took 652.18 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. [2018-09-23 19:44:25,112 INFO L168 Benchmark]: TraceAbstraction took 12607.94 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 131.6 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -175.8 MB). Peak memory consumption was 569.3 MB. Max. memory is 7.1 GB. [2018-09-23 19:44:25,116 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 0.19 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 58.00 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 57.02 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 652.18 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 12607.94 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 131.6 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -175.8 MB). Peak memory consumption was 569.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 398]: Loop Invariant [2018-09-23 19:44:25,126 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,126 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,128 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,128 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((((((assert_~arg <= 1 && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) && ~r1 % 256 <= 0) && 1 <= ~mode2) && 1 <= check_~tmp~128) && 1 <= assert_~arg) || (((((((((~mode5 == 256 * (~mode5 / 256) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p2_new == ~nomsg))) || ((((((((1 <= ~mode2 && ~mode2 <= 1) && ~send2 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: (((((((!(~p2_old == ~nomsg) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= check_~tmp~128) && 1 <= ~mode3) && 0 == ~nomsg + 1 - InvariantResult [Line: 429]: Loop Invariant [2018-09-23 19:44:25,129 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,130 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,131 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,131 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p2_old == ~nomsg) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || ((((((((!(~p2_old == ~nomsg) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((((((((assert_~arg <= 1 && !(~p2_old == ~nomsg)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 1 <= check_~tmp~128) && 0 == ~nomsg + 1) && 1 <= assert_~arg - InvariantResult [Line: 344]: Loop Invariant [2018-09-23 19:44:25,133 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,133 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,134 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,134 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: (((((((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p2_new == ~nomsg)) && ~mode4 == 256 * (~mode4 / 256)) || ((((((((((assert_~arg <= 1 && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && 1 <= check_~tmp~128) && 0 == ~nomsg + 1) && 1 <= assert_~arg) && ~r1 <= 256 * (~r1 / 256)) && !(~p2_new == ~nomsg))) || ((~mode3 <= 1 && 1 <= ~mode3) && ((!(~p2_old == ~nomsg) && ~send2 <= 127) && 0 <= ~send2) && 0 == ~nomsg + 1)) || (((((((~mode3 == 256 * (~mode3 / 256) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 <= ~send2) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: ((((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && ~send2 <= 127) && ~mode2 == 256 * (~mode2 / 256)) && 0 <= ~send2) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) || (((((((!(~p2_old == ~nomsg) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) - InvariantResult [Line: 367]: Loop Invariant [2018-09-23 19:44:25,137 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,137 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,138 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,139 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((((((assert_~arg <= 1 && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) && ~r1 % 256 <= 0) && 1 <= ~mode2) && 1 <= check_~tmp~128) && 1 <= assert_~arg) || ((((((((((~mode5 == 256 * (~mode5 / 256) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p2_new == ~nomsg)) && ~mode4 == 256 * (~mode4 / 256))) || ((((((((1 <= ~mode2 && ~mode2 <= 1) && ~send2 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((((((!(~p2_old == ~nomsg) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) || (((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~send2 <= 127) && 0 <= ~send2) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && ~mode2 == 256 * (~mode2 / 256)) - InvariantResult [Line: 386]: Loop Invariant [2018-09-23 19:44:25,141 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,141 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,142 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,142 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((((((assert_~arg <= 1 && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) && ~r1 % 256 <= 0) && 1 <= ~mode2) && 1 <= check_~tmp~128) && 1 <= assert_~arg) || (((((((((~mode5 == 256 * (~mode5 / 256) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p2_new == ~nomsg))) || ((((((((1 <= ~mode2 && ~mode2 <= 1) && ~send2 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 407]: Loop Invariant [2018-09-23 19:44:25,143 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,143 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,144 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,144 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((1 <= ~mode2 && ~mode2 <= 1) && ~send2 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) || ((((((((1 <= ~mode2 && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p2_new == ~nomsg)) - InvariantResult [Line: 358]: Loop Invariant [2018-09-23 19:44:25,145 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,145 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,146 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,147 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: (((((((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p2_new == ~nomsg)) && ~mode4 == 256 * (~mode4 / 256)) || ((((((((((assert_~arg <= 1 && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && 1 <= check_~tmp~128) && 0 == ~nomsg + 1) && 1 <= assert_~arg) && ~r1 <= 256 * (~r1 / 256)) && !(~p2_new == ~nomsg))) || ((~mode3 <= 1 && 1 <= ~mode3) && ((!(~p2_old == ~nomsg) && ~send2 <= 127) && 0 <= ~send2) && 0 == ~nomsg + 1)) || (((((((~mode3 == 256 * (~mode3 / 256) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 <= ~send2) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && ~send2 <= 127) && ~mode2 == 256 * (~mode2 / 256)) && 0 <= ~send2) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) || (((((((!(~p2_old == ~nomsg) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) - InvariantResult [Line: 378]: Loop Invariant [2018-09-23 19:44:25,148 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,149 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,150 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-23 19:44:25,150 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((((((assert_~arg <= 1 && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) && ~r1 % 256 <= 0) && 1 <= ~mode2) && 1 <= check_~tmp~128) && 1 <= assert_~arg) || ((((((((((~mode5 == 256 * (~mode5 / 256) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p2_new == ~nomsg)) && ~mode4 == 256 * (~mode4 / 256))) || ((((((((1 <= ~mode2 && ~mode2 <= 1) && ~send2 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) && !(~p2_new == ~nomsg)) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((!(~p2_old == ~nomsg) && 1 <= ~mode2) && ~mode2 <= 1) && ~send2 <= 127) && 0 <= ~send2) && ~mode3 <= 1) && 1 <= ~mode3) && 0 == ~nomsg + 1) || (((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~send2 <= 127) && 0 <= ~send2) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && ~mode2 == 256 * (~mode2 / 256)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. SAFE Result, 12.4s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 300 SDtfs, 277 SDslu, 248 SDs, 0 SdLazy, 185 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=933occurred in iteration=8, 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: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 863 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 275 NumberOfFragments, 1391 HoareAnnotationTreeSize, 15 FomulaSimplifications, 34986 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 15 FomulaSimplificationsInter, 364 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 291 ConstructedInterpolants, 10 QuantifiedInterpolants, 30797 SizeOfPredicates, 1 NumberOfNonLiveVariables, 294 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 194/210 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.5.2.ufo.UNBOUNDED.pals.c_12.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-23_19-44-25-156.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c_12.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-23_19-44-25-156.csv Received shutdown request...