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.ufo.UNBOUNDED.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 21:25:24,783 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 21:25:24,785 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 21:25:24,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 21:25:24,802 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 21:25:24,804 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 21:25:24,805 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 21:25:24,807 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 21:25:24,810 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 21:25:24,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 21:25:24,813 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-26 21:25:24,866 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 [2018-09-26 21:25:24,896 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 21:25:24,897 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 21:25:24,898 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 21:25:24,898 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 21:25:24,899 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 21:25:24,899 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 21:25:24,900 INFO L133 SettingsManager]: * Use SBE=true [2018-09-26 21:25:24,900 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 21:25:24,900 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 21:25:24,900 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 21:25:24,901 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 21:25:24,902 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 21:25:24,902 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 21:25:24,902 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 21:25:24,902 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 21:25:24,902 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 21:25:24,903 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 21:25:24,903 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 21:25:24,903 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 21:25:24,903 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-26 21:25:24,904 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 21:25:24,905 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-26 21:25:24,905 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-26 21:25:24,905 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 21:25:24,905 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 21:25:24,906 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 21:25:24,906 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-26 21:25:24,906 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 21:25:24,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 21:25:24,906 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 21:25:24,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 21:25:24,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 21:25:24,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 21:25:24,995 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 21:25:24,996 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 21:25:24,996 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl [2018-09-26 21:25:24,997 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl' [2018-09-26 21:25:25,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 21:25:25,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 21:25:25,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 21:25:25,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 21:25:25,079 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 21:25:25,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (1/1) ... [2018-09-26 21:25:25,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (1/1) ... [2018-09-26 21:25:25,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 21:25:25,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 21:25:25,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 21:25:25,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 21:25:25,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (1/1) ... [2018-09-26 21:25:25,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (1/1) ... [2018-09-26 21:25:25,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (1/1) ... [2018-09-26 21:25:25,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (1/1) ... [2018-09-26 21:25:25,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (1/1) ... [2018-09-26 21:25:25,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (1/1) ... [2018-09-26 21:25:25,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (1/1) ... [2018-09-26 21:25:25,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 21:25:25,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 21:25:25,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 21:25:25,161 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 21:25:25,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (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 [2018-09-26 21:25:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 21:25:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 21:25:25,856 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 21:25:25,857 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:25:25 BoogieIcfgContainer [2018-09-26 21:25:25,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 21:25:25,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 21:25:25,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 21:25:25,861 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 21:25:25,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:25:25" (1/2) ... [2018-09-26 21:25:25,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2cc055 and model type pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:25:25, skipping insertion in model container [2018-09-26 21:25:25,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:25:25" (2/2) ... [2018-09-26 21:25:25,865 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl [2018-09-26 21:25:25,875 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-26 21:25:25,884 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 21:25:25,936 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 21:25:25,937 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 21:25:25,937 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 21:25:25,937 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-26 21:25:25,938 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 21:25:25,938 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 21:25:25,938 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 21:25:25,938 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 21:25:25,938 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 21:25:25,955 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-09-26 21:25:25,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 21:25:25,962 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:25:25,963 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 21:25:25,964 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:25:25,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:25:25,971 INFO L82 PathProgramCache]: Analyzing trace with hash -417618663, now seen corresponding path program 1 times [2018-09-26 21:25:25,973 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:25:25,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:25:26,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:26,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:25:26,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:25:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:25:26,224 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:25:26,225 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 21:25:26,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 21:25:26,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 21:25:26,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 21:25:26,244 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2018-09-26 21:25:26,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:25:26,314 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2018-09-26 21:25:26,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 21:25:26,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-26 21:25:26,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:25:26,328 INFO L225 Difference]: With dead ends: 51 [2018-09-26 21:25:26,328 INFO L226 Difference]: Without dead ends: 33 [2018-09-26 21:25:26,332 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 [2018-09-26 21:25:26,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-09-26 21:25:26,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2018-09-26 21:25:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-09-26 21:25:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2018-09-26 21:25:26,378 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 16 [2018-09-26 21:25:26,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:25:26,379 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2018-09-26 21:25:26,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 21:25:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-09-26 21:25:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 21:25:26,380 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:25:26,380 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 21:25:26,381 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:25:26,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:25:26,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1428735913, now seen corresponding path program 1 times [2018-09-26 21:25:26,381 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:25:26,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:25:26,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:26,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:25:26,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:25:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:25:26,564 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:25:26,564 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 21:25:26,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 21:25:26,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 21:25:26,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 21:25:26,567 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2018-09-26 21:25:26,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:25:26,626 INFO L93 Difference]: Finished difference Result 91 states and 127 transitions. [2018-09-26 21:25:26,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 21:25:26,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-26 21:25:26,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:25:26,628 INFO L225 Difference]: With dead ends: 91 [2018-09-26 21:25:26,628 INFO L226 Difference]: Without dead ends: 61 [2018-09-26 21:25:26,630 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 [2018-09-26 21:25:26,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-09-26 21:25:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2018-09-26 21:25:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-09-26 21:25:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2018-09-26 21:25:26,650 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 16 [2018-09-26 21:25:26,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:25:26,650 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2018-09-26 21:25:26,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 21:25:26,650 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-09-26 21:25:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 21:25:26,651 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:25:26,651 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 21:25:26,652 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:25:26,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:25:26,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1821762923, now seen corresponding path program 1 times [2018-09-26 21:25:26,652 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:25:26,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:25:26,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:26,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:25:26,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:25:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:25:26,746 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:25:26,747 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 21:25:26,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 21:25:26,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 21:25:26,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 21:25:26,748 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2018-09-26 21:25:26,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:25:26,824 INFO L93 Difference]: Finished difference Result 175 states and 244 transitions. [2018-09-26 21:25:26,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 21:25:26,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-26 21:25:26,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:25:26,829 INFO L225 Difference]: With dead ends: 175 [2018-09-26 21:25:26,829 INFO L226 Difference]: Without dead ends: 117 [2018-09-26 21:25:26,831 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 [2018-09-26 21:25:26,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-09-26 21:25:26,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2018-09-26 21:25:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-09-26 21:25:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2018-09-26 21:25:26,876 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 16 [2018-09-26 21:25:26,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:25:26,877 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2018-09-26 21:25:26,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 21:25:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2018-09-26 21:25:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 21:25:26,878 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:25:26,878 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 21:25:26,879 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:25:26,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:25:26,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1764504621, now seen corresponding path program 1 times [2018-09-26 21:25:26,880 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:25:26,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:25:26,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:26,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:25:26,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:25:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:25:27,098 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:25:27,098 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 21:25:27,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 21:25:27,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 21:25:27,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 21:25:27,100 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand 4 states. [2018-09-26 21:25:27,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:25:27,296 INFO L93 Difference]: Finished difference Result 245 states and 331 transitions. [2018-09-26 21:25:27,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 21:25:27,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-09-26 21:25:27,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:25:27,300 INFO L225 Difference]: With dead ends: 245 [2018-09-26 21:25:27,301 INFO L226 Difference]: Without dead ends: 243 [2018-09-26 21:25:27,304 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-26 21:25:27,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-09-26 21:25:27,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 131. [2018-09-26 21:25:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-26 21:25:27,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 174 transitions. [2018-09-26 21:25:27,370 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 174 transitions. Word has length 16 [2018-09-26 21:25:27,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:25:27,370 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 174 transitions. [2018-09-26 21:25:27,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 21:25:27,371 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 174 transitions. [2018-09-26 21:25:27,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 21:25:27,372 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:25:27,372 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 21:25:27,372 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:25:27,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:25:27,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1764564203, now seen corresponding path program 1 times [2018-09-26 21:25:27,373 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:25:27,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:25:27,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:27,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:25:27,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:25:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:25:27,523 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:25:27,523 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 21:25:27,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 21:25:27,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 21:25:27,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 21:25:27,527 INFO L87 Difference]: Start difference. First operand 131 states and 174 transitions. Second operand 3 states. [2018-09-26 21:25:27,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:25:27,614 INFO L93 Difference]: Finished difference Result 319 states and 425 transitions. [2018-09-26 21:25:27,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 21:25:27,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-26 21:25:27,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:25:27,617 INFO L225 Difference]: With dead ends: 319 [2018-09-26 21:25:27,617 INFO L226 Difference]: Without dead ends: 189 [2018-09-26 21:25:27,618 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 [2018-09-26 21:25:27,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-09-26 21:25:27,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-09-26 21:25:27,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-09-26 21:25:27,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 248 transitions. [2018-09-26 21:25:27,689 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 248 transitions. Word has length 16 [2018-09-26 21:25:27,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:25:27,689 INFO L480 AbstractCegarLoop]: Abstraction has 189 states and 248 transitions. [2018-09-26 21:25:27,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 21:25:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 248 transitions. [2018-09-26 21:25:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 21:25:27,694 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:25:27,694 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 21:25:27,694 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:25:27,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:25:27,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1265916431, now seen corresponding path program 1 times [2018-09-26 21:25:27,695 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:25:27,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:25:27,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:27,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:25:27,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:25:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:25:27,909 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:25:27,909 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 21:25:27,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 21:25:27,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 21:25:27,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 21:25:27,911 INFO L87 Difference]: Start difference. First operand 189 states and 248 transitions. Second operand 3 states. [2018-09-26 21:25:28,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:25:28,045 INFO L93 Difference]: Finished difference Result 561 states and 738 transitions. [2018-09-26 21:25:28,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 21:25:28,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-26 21:25:28,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:25:28,051 INFO L225 Difference]: With dead ends: 561 [2018-09-26 21:25:28,051 INFO L226 Difference]: Without dead ends: 375 [2018-09-26 21:25:28,055 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 [2018-09-26 21:25:28,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-09-26 21:25:28,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 373. [2018-09-26 21:25:28,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-09-26 21:25:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 480 transitions. [2018-09-26 21:25:28,121 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 480 transitions. Word has length 30 [2018-09-26 21:25:28,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:25:28,122 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 480 transitions. [2018-09-26 21:25:28,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 21:25:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 480 transitions. [2018-09-26 21:25:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 21:25:28,124 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:25:28,125 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] [2018-09-26 21:25:28,125 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:25:28,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:25:28,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1524081869, now seen corresponding path program 1 times [2018-09-26 21:25:28,126 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:25:28,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:25:28,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:28,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:25:28,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:25:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:25:28,268 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:25:28,269 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 21:25:28,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 21:25:28,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 21:25:28,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 21:25:28,270 INFO L87 Difference]: Start difference. First operand 373 states and 480 transitions. Second operand 3 states. [2018-09-26 21:25:28,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:25:28,461 INFO L93 Difference]: Finished difference Result 1113 states and 1434 transitions. [2018-09-26 21:25:28,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 21:25:28,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-26 21:25:28,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:25:28,467 INFO L225 Difference]: With dead ends: 1113 [2018-09-26 21:25:28,467 INFO L226 Difference]: Without dead ends: 743 [2018-09-26 21:25:28,468 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 [2018-09-26 21:25:28,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2018-09-26 21:25:28,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 741. [2018-09-26 21:25:28,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-09-26 21:25:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 932 transitions. [2018-09-26 21:25:28,597 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 932 transitions. Word has length 30 [2018-09-26 21:25:28,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:25:28,597 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 932 transitions. [2018-09-26 21:25:28,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 21:25:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 932 transitions. [2018-09-26 21:25:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 21:25:28,601 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:25:28,602 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] [2018-09-26 21:25:28,602 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:25:28,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:25:28,603 INFO L82 PathProgramCache]: Analyzing trace with hash -714735243, now seen corresponding path program 1 times [2018-09-26 21:25:28,603 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:25:28,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:25:28,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:28,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:25:28,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:25:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:25:28,805 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-26 21:25:28,805 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 [2018-09-26 21:25:28,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:25:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:25:28,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 21:25:29,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 21:25:29,283 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-26 21:25:29,284 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-09-26 21:25:29,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 21:25:29,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 21:25:29,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-26 21:25:29,285 INFO L87 Difference]: Start difference. First operand 741 states and 932 transitions. Second operand 7 states. [2018-09-26 21:25:29,521 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-26 21:25:29,824 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-26 21:25:30,548 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-26 21:25:30,821 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-26 21:25:31,449 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-26 21:25:32,706 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-26 21:25:32,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:25:32,753 INFO L93 Difference]: Finished difference Result 1609 states and 2019 transitions. [2018-09-26 21:25:32,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-26 21:25:32,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-09-26 21:25:32,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:25:32,760 INFO L225 Difference]: With dead ends: 1609 [2018-09-26 21:25:32,760 INFO L226 Difference]: Without dead ends: 565 [2018-09-26 21:25:32,768 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2018-09-26 21:25:32,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-09-26 21:25:32,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 515. [2018-09-26 21:25:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-09-26 21:25:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 606 transitions. [2018-09-26 21:25:32,929 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 606 transitions. Word has length 30 [2018-09-26 21:25:32,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:25:32,937 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 606 transitions. [2018-09-26 21:25:32,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 21:25:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 606 transitions. [2018-09-26 21:25:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 21:25:32,944 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:25:32,945 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] [2018-09-26 21:25:32,945 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:25:32,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 21:25:32,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1918843925, now seen corresponding path program 2 times [2018-09-26 21:25:32,946 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:25:32,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:25:32,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:32,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:25:32,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:25:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:25:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-26 21:25:33,063 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:25:33,064 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 21:25:33,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 21:25:33,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 21:25:33,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 21:25:33,068 INFO L87 Difference]: Start difference. First operand 515 states and 606 transitions. Second operand 3 states. [2018-09-26 21:25:33,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:25:33,089 INFO L93 Difference]: Finished difference Result 515 states and 606 transitions. [2018-09-26 21:25:33,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 21:25:33,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-09-26 21:25:33,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:25:33,090 INFO L225 Difference]: With dead ends: 515 [2018-09-26 21:25:33,090 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 21:25:33,092 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 [2018-09-26 21:25:33,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 21:25:33,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 21:25:33,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 21:25:33,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 21:25:33,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-09-26 21:25:33,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:25:33,093 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 21:25:33,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 21:25:33,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 21:25:33,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 21:25:33,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 21:25:33,675 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-26 21:25:34,309 WARN L178 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-09-26 21:25:34,720 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-26 21:25:35,231 WARN L178 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-26 21:25:35,377 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-26 21:25:35,677 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-26 21:25:35,916 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-09-26 21:25:36,087 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-09-26 21:25:36,234 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-26 21:25:36,499 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-26 21:25:36,790 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-09-26 21:25:36,870 INFO L422 ceAbstractionStarter]: At program point L415(lines 409 416) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse1 (<= 1 ~mode2)) (.cse2 (<= ~mode2 1)) (.cse3 (not (= ~p1_new ~nomsg))) (.cse4 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and (not (= ~p1_old ~nomsg)) .cse0 .cse1 .cse2 .cse3 .cse4 (exists ((v_~r1_7 Int)) (let ((.cse5 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse5 1)) (<= .cse5 0)))) .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 (<= ~r1 (* 256 (div ~r1 256)))))) [2018-09-26 21:25:36,871 INFO L422 ceAbstractionStarter]: At program point L461(lines 308 461) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse1 (<= ~send1 127)) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) (= ~mode2 (* 256 (div ~mode2 256))) .cse1 .cse2 (<= ~r1 (* 256 (div ~r1 256)))) (and (not (= ~p1_old ~nomsg)) .cse0 (<= 1 ~mode2) (<= ~mode2 1) .cse1 .cse2))) [2018-09-26 21:25:36,871 INFO L422 ceAbstractionStarter]: At program point L395(lines 389 396) the Hoare annotation is: (let ((.cse7 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6))) [2018-09-26 21:25:36,871 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 91 464) no Hoare annotation was computed. [2018-09-26 21:25:36,871 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 91 464) no Hoare annotation was computed. [2018-09-26 21:25:36,871 INFO L422 ceAbstractionStarter]: At program point L375(lines 369 376) the Hoare annotation is: (let ((.cse7 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6))) [2018-09-26 21:25:36,871 INFO L422 ceAbstractionStarter]: At program point L400(lines 400 410) the Hoare annotation is: (let ((.cse7 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6))) [2018-09-26 21:25:36,872 INFO L422 ceAbstractionStarter]: At program point L458(lines 458 462) the Hoare annotation is: false [2018-09-26 21:25:36,872 INFO L422 ceAbstractionStarter]: At program point L355(lines 349 356) the Hoare annotation is: (let ((.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1))) (.cse7 (<= ~r1 (* 256 (div ~r1 256))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 (= ~mode3 (* 256 (div ~mode3 256))) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2018-09-26 21:25:36,872 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 91 464) no Hoare annotation was computed. [2018-09-26 21:25:36,872 INFO L422 ceAbstractionStarter]: At program point L380(lines 380 390) the Hoare annotation is: (let ((.cse7 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6))) [2018-09-26 21:25:36,872 INFO L422 ceAbstractionStarter]: At program point L442(lines 438 443) the Hoare annotation is: (and (not (= ~p1_old ~nomsg)) (<= 0 ~send1) (<= 1 ~mode2) (<= ~mode2 1) (<= ~send1 127) (= 0 (+ ~nomsg 1)) (<= 1 ULTIMATE.start_check_~tmp~129)) [2018-09-26 21:25:36,872 INFO L422 ceAbstractionStarter]: At program point L335(lines 326 336) the Hoare annotation is: (let ((.cse6 (<= 1 ~mode2)) (.cse7 (<= ~mode2 1)) (.cse5 (not (= ~p1_old ~nomsg))) (.cse0 (<= 0 ~send1)) (.cse1 (not (= ~p1_new ~nomsg))) (.cse2 (<= ~send1 127)) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= ~r1 (* 256 (div ~r1 256))))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) .cse1 (= ~mode2 (* 256 (div ~mode2 256))) .cse2 .cse3 .cse4) (and .cse5 .cse0 (= ~mode1 (* 256 (div ~mode1 256))) .cse6 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse7 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-09-26 21:25:36,872 INFO L422 ceAbstractionStarter]: At program point L360(lines 360 370) the Hoare annotation is: (let ((.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1))) (.cse7 (<= ~r1 (* 256 (div ~r1 256))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 (= ~mode3 (* 256 (div ~mode3 256))) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2018-09-26 21:25:36,873 INFO L422 ceAbstractionStarter]: At program point L315(lines 315 327) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse1 (<= ~send1 127)) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) (= ~mode2 (* 256 (div ~mode2 256))) .cse1 .cse2 (<= ~r1 (* 256 (div ~r1 256)))) (and (not (= ~p1_old ~nomsg)) .cse0 (<= 1 ~mode2) (<= ~mode2 1) .cse1 .cse2))) [2018-09-26 21:25:36,873 INFO L422 ceAbstractionStarter]: At program point L340(lines 340 350) the Hoare annotation is: (let ((.cse6 (<= 1 ~mode2)) (.cse7 (<= ~mode2 1)) (.cse5 (not (= ~p1_old ~nomsg))) (.cse0 (<= 0 ~send1)) (.cse1 (not (= ~p1_new ~nomsg))) (.cse2 (<= ~send1 127)) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= ~r1 (* 256 (div ~r1 256))))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) .cse1 (= ~mode2 (* 256 (div ~mode2 256))) .cse2 .cse3 .cse4) (and .cse5 .cse0 (= ~mode1 (* 256 (div ~mode1 256))) .cse6 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse7 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-09-26 21:25:36,873 INFO L422 ceAbstractionStarter]: At program point L431(lines 431 439) the Hoare annotation is: (let ((.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (<= ~send1 127)) (.cse5 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256)))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (exists ((v_~r1_7 Int)) (let ((.cse6 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse6 1)) (<= .cse6 0)))) .cse5))) [2018-09-26 21:25:36,873 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 463) no Hoare annotation was computed. [2018-09-26 21:25:36,873 INFO L422 ceAbstractionStarter]: At program point L452(lines 452 459) the Hoare annotation is: (and (not (= ~p1_old ~nomsg)) (<= 0 ~send1) (= ULTIMATE.start_assert_~arg 1) (<= 1 ~mode2) (<= ~mode2 1) (<= ~send1 127) (= 0 (+ ~nomsg 1)) (<= 1 ULTIMATE.start_check_~tmp~129)) [2018-09-26 21:25:36,888 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,889 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,892 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,892 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,894 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,895 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,897 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,897 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,899 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,899 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,903 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,903 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,904 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,905 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,907 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,907 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,909 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,909 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,911 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,911 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,913 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,913 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,915 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,915 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,917 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,917 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,919 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,920 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,921 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,922 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,924 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,924 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,926 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,927 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,928 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,928 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,929 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,929 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,931 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:25:36 BoogieIcfgContainer [2018-09-26 21:25:36,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 21:25:36,933 INFO L168 Benchmark]: Toolchain (without parser) took 11857.40 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 50.3 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 185.6 MB). Peak memory consumption was 490.6 MB. Max. memory is 7.1 GB. [2018-09-26 21:25:36,934 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 21:25:36,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.28 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. [2018-09-26 21:25:36,935 INFO L168 Benchmark]: Boogie Preprocessor took 34.89 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. [2018-09-26 21:25:36,936 INFO L168 Benchmark]: RCFGBuilder took 696.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-26 21:25:36,937 INFO L168 Benchmark]: TraceAbstraction took 11073.60 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 50.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 143.4 MB). Peak memory consumption was 448.3 MB. Max. memory is 7.1 GB. [2018-09-26 21:25:36,940 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.28 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 34.89 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 696.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11073.60 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 50.3 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 143.4 MB). Peak memory consumption was 448.3 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] - 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: 463]: 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: 452]: Loop Invariant Derived loop invariant: ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && assert_~arg == 1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) && 1 <= check_~tmp~129 - InvariantResult [Line: 349]: Loop Invariant [2018-09-26 21:25:36,956 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,956 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,957 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,958 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1)) || ((((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) - InvariantResult [Line: 369]: Loop Invariant [2018-09-26 21:25:36,959 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,959 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,960 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,960 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256))) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 389]: Loop Invariant [2018-09-26 21:25:36,961 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,962 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,962 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,963 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256))) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 409]: Loop Invariant [2018-09-26 21:25:36,964 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,964 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,965 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,965 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) || ((((((0 <= ~send1 && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 340]: Loop Invariant [2018-09-26 21:25:36,966 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,966 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,967 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,967 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && !(~p1_new == ~nomsg)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && ~mode1 == 256 * (~mode1 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 360]: Loop Invariant [2018-09-26 21:25:36,968 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,969 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,970 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,970 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1)) || ((((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 380]: Loop Invariant [2018-09-26 21:25:36,971 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,971 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,972 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,972 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256))) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) - InvariantResult [Line: 400]: Loop Invariant [2018-09-26 21:25:36,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256))) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) && 1 <= check_~tmp~129 - InvariantResult [Line: 326]: Loop Invariant [2018-09-26 21:25:36,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && !(~p1_new == ~nomsg)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && ~mode1 == 256 * (~mode1 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 431]: Loop Invariant [2018-09-26 21:25:36,986 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,986 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,987 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-26 21:25:36,987 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. SAFE Result, 10.9s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 269 SDtfs, 238 SDslu, 219 SDs, 0 SdLazy, 187 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=741occurred in iteration=7, 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: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 172 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 325 NumberOfFragments, 1326 HoareAnnotationTreeSize, 15 FomulaSimplifications, 16549 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 15 FomulaSimplificationsInter, 100 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 248 ConstructedInterpolants, 10 QuantifiedInterpolants, 24394 SizeOfPredicates, 1 NumberOfNonLiveVariables, 296 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 126/140 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.ufo.UNBOUNDED.pals.c_11.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_21-25-36-999.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_21-25-36-999.csv Received shutdown request...