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.6.ufo.UNBOUNDED.pals.c_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4eac566 [2018-09-23 19:44:49,434 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 19:44:49,436 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 19:44:49,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 19:44:49,455 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 19:44:49,456 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 19:44:49,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 19:44:49,459 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 19:44:49,461 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 19:44:49,461 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 19:44:49,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-23 19:44:49,485 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-23 19:44:49,499 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 19:44:49,500 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 19:44:49,500 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 19:44:49,501 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 19:44:49,501 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 19:44:49,501 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 19:44:49,501 INFO L133 SettingsManager]: * Use SBE=true [2018-09-23 19:44:49,502 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 19:44:49,502 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 19:44:49,502 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 19:44:49,502 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 19:44:49,503 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 19:44:49,503 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 19:44:49,503 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 19:44:49,503 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 19:44:49,503 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 19:44:49,504 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 19:44:49,504 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 19:44:49,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 19:44:49,504 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-23 19:44:49,504 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 19:44:49,505 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-23 19:44:49,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 19:44:49,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 19:44:49,505 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 19:44:49,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 19:44:49,506 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-23 19:44:49,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 19:44:49,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 19:44:49,506 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 19:44:49,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 19:44:49,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 19:44:49,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 19:44:49,570 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 19:44:49,571 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 19:44:49,571 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl [2018-09-23 19:44:49,572 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl' [2018-09-23 19:44:49,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 19:44:49,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 19:44:49,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 19:44:49,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 19:44:49,683 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 19:44:49,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/1) ... [2018-09-23 19:44:49,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/1) ... [2018-09-23 19:44:49,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 19:44:49,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 19:44:49,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 19:44:49,745 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 19:44:49,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/1) ... [2018-09-23 19:44:49,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/1) ... [2018-09-23 19:44:49,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/1) ... [2018-09-23 19:44:49,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/1) ... [2018-09-23 19:44:49,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/1) ... [2018-09-23 19:44:49,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/1) ... [2018-09-23 19:44:49,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/1) ... [2018-09-23 19:44:49,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 19:44:49,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 19:44:49,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 19:44:49,811 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 19:44:49,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 19:44:49,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 19:44:49,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 19:44:50,534 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 19:44:50,534 INFO L202 PluginConnector]: Adding new model pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:44:50 BoogieIcfgContainer [2018-09-23 19:44:50,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 19:44:50,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-23 19:44:50,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-23 19:44:50,539 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-23 19:44:50,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:49" (1/2) ... [2018-09-23 19:44:50,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361576f7 and model type pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 07:44:50, skipping insertion in model container [2018-09-23 19:44:50,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:44:50" (2/2) ... [2018-09-23 19:44:50,542 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl [2018-09-23 19:44:50,551 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-23 19:44:50,559 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-23 19:44:50,606 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-23 19:44:50,607 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-23 19:44:50,607 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-23 19:44:50,607 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-23 19:44:50,607 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-23 19:44:50,608 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-23 19:44:50,608 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-23 19:44:50,608 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-23 19:44:50,608 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-23 19:44:50,622 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-09-23 19:44:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-23 19:44:50,628 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:50,629 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:50,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:50,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:50,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1242790345, now seen corresponding path program 1 times [2018-09-23 19:44:50,645 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:50,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:50,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:50,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:50,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:50,902 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:50,902 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:50,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:50,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:50,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:50,925 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2018-09-23 19:44:50,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:50,984 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2018-09-23 19:44:50,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:50,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-23 19:44:50,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:50,998 INFO L225 Difference]: With dead ends: 60 [2018-09-23 19:44:50,998 INFO L226 Difference]: Without dead ends: 39 [2018-09-23 19:44:51,002 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:51,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-09-23 19:44:51,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2018-09-23 19:44:51,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-09-23 19:44:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 53 transitions. [2018-09-23 19:44:51,049 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 53 transitions. Word has length 19 [2018-09-23 19:44:51,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:51,049 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 53 transitions. [2018-09-23 19:44:51,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2018-09-23 19:44:51,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-23 19:44:51,051 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:51,051 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:51,051 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:51,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:51,052 INFO L82 PathProgramCache]: Analyzing trace with hash -345557557, now seen corresponding path program 1 times [2018-09-23 19:44:51,052 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:51,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:51,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:51,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:51,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:51,248 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:51,248 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:51,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:51,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:51,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:51,251 INFO L87 Difference]: Start difference. First operand 37 states and 53 transitions. Second operand 3 states. [2018-09-23 19:44:51,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:51,301 INFO L93 Difference]: Finished difference Result 109 states and 157 transitions. [2018-09-23 19:44:51,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:51,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-23 19:44:51,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:51,303 INFO L225 Difference]: With dead ends: 109 [2018-09-23 19:44:51,303 INFO L226 Difference]: Without dead ends: 73 [2018-09-23 19:44:51,305 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:51,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-09-23 19:44:51,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-09-23 19:44:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-09-23 19:44:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 102 transitions. [2018-09-23 19:44:51,325 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 102 transitions. Word has length 19 [2018-09-23 19:44:51,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:51,326 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 102 transitions. [2018-09-23 19:44:51,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:51,326 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2018-09-23 19:44:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-23 19:44:51,327 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:51,327 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:51,327 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:51,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:51,328 INFO L82 PathProgramCache]: Analyzing trace with hash -932363571, now seen corresponding path program 1 times [2018-09-23 19:44:51,328 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:51,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:51,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:51,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:51,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:51,470 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:51,470 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:51,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:51,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:51,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:51,472 INFO L87 Difference]: Start difference. First operand 71 states and 102 transitions. Second operand 3 states. [2018-09-23 19:44:51,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:51,563 INFO L93 Difference]: Finished difference Result 211 states and 304 transitions. [2018-09-23 19:44:51,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:51,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-23 19:44:51,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:51,569 INFO L225 Difference]: With dead ends: 211 [2018-09-23 19:44:51,569 INFO L226 Difference]: Without dead ends: 141 [2018-09-23 19:44:51,570 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:51,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-09-23 19:44:51,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2018-09-23 19:44:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-09-23 19:44:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 198 transitions. [2018-09-23 19:44:51,605 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 198 transitions. Word has length 19 [2018-09-23 19:44:51,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:51,606 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 198 transitions. [2018-09-23 19:44:51,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 198 transitions. [2018-09-23 19:44:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-23 19:44:51,607 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:51,607 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:51,607 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:51,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:51,608 INFO L82 PathProgramCache]: Analyzing trace with hash -252305201, now seen corresponding path program 1 times [2018-09-23 19:44:51,608 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:51,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:51,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:51,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:51,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:51,728 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:51,729 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:51,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:51,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:51,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:51,731 INFO L87 Difference]: Start difference. First operand 139 states and 198 transitions. Second operand 3 states. [2018-09-23 19:44:51,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:51,906 INFO L93 Difference]: Finished difference Result 349 states and 498 transitions. [2018-09-23 19:44:51,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:51,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-23 19:44:51,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:51,915 INFO L225 Difference]: With dead ends: 349 [2018-09-23 19:44:51,915 INFO L226 Difference]: Without dead ends: 211 [2018-09-23 19:44:51,920 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:51,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-09-23 19:44:51,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 209. [2018-09-23 19:44:51,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-09-23 19:44:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 292 transitions. [2018-09-23 19:44:51,975 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 292 transitions. Word has length 19 [2018-09-23 19:44:51,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:51,975 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 292 transitions. [2018-09-23 19:44:51,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 292 transitions. [2018-09-23 19:44:51,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-23 19:44:51,977 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:51,977 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:51,977 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:51,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:51,978 INFO L82 PathProgramCache]: Analyzing trace with hash -250458159, now seen corresponding path program 1 times [2018-09-23 19:44:51,978 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:51,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:51,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:51,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:51,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:52,094 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:52,094 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-23 19:44:52,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-23 19:44:52,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-23 19:44:52,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-23 19:44:52,095 INFO L87 Difference]: Start difference. First operand 209 states and 292 transitions. Second operand 4 states. [2018-09-23 19:44:52,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:52,296 INFO L93 Difference]: Finished difference Result 377 states and 522 transitions. [2018-09-23 19:44:52,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-23 19:44:52,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-09-23 19:44:52,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:52,300 INFO L225 Difference]: With dead ends: 377 [2018-09-23 19:44:52,300 INFO L226 Difference]: Without dead ends: 375 [2018-09-23 19:44:52,302 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 [2018-09-23 19:44:52,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-09-23 19:44:52,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 225. [2018-09-23 19:44:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-09-23 19:44:52,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2018-09-23 19:44:52,368 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 19 [2018-09-23 19:44:52,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:52,368 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2018-09-23 19:44:52,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-23 19:44:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2018-09-23 19:44:52,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 19:44:52,374 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:52,374 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:52,374 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:52,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:52,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1238295361, now seen corresponding path program 1 times [2018-09-23 19:44:52,375 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:52,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:52,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:52,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:52,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:52,527 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:52,527 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:44:52,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:52,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:52,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:52,529 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand 3 states. [2018-09-23 19:44:52,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:52,645 INFO L93 Difference]: Finished difference Result 669 states and 906 transitions. [2018-09-23 19:44:52,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:52,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-23 19:44:52,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:52,648 INFO L225 Difference]: With dead ends: 669 [2018-09-23 19:44:52,649 INFO L226 Difference]: Without dead ends: 447 [2018-09-23 19:44:52,650 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:52,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-09-23 19:44:52,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2018-09-23 19:44:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-09-23 19:44:52,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 592 transitions. [2018-09-23 19:44:52,722 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 592 transitions. Word has length 36 [2018-09-23 19:44:52,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:52,723 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 592 transitions. [2018-09-23 19:44:52,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:52,723 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 592 transitions. [2018-09-23 19:44:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 19:44:52,726 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:52,726 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:52,726 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:52,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:52,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1776808257, now seen corresponding path program 1 times [2018-09-23 19:44:52,727 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:52,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:52,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:52,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:52,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:52,904 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:52,904 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:44:52,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:52,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:52,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:52,905 INFO L87 Difference]: Start difference. First operand 445 states and 592 transitions. Second operand 3 states. [2018-09-23 19:44:53,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:53,123 INFO L93 Difference]: Finished difference Result 1329 states and 1770 transitions. [2018-09-23 19:44:53,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:53,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-23 19:44:53,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:53,130 INFO L225 Difference]: With dead ends: 1329 [2018-09-23 19:44:53,130 INFO L226 Difference]: Without dead ends: 887 [2018-09-23 19:44:53,132 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:53,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-09-23 19:44:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2018-09-23 19:44:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2018-09-23 19:44:53,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1156 transitions. [2018-09-23 19:44:53,277 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1156 transitions. Word has length 36 [2018-09-23 19:44:53,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:53,279 INFO L480 AbstractCegarLoop]: Abstraction has 885 states and 1156 transitions. [2018-09-23 19:44:53,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1156 transitions. [2018-09-23 19:44:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 19:44:53,288 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:53,288 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, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:53,289 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:53,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:53,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1817094461, now seen corresponding path program 1 times [2018-09-23 19:44:53,289 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:53,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:53,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:53,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:53,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:53,466 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:53,466 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:44:53,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:53,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:53,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:53,467 INFO L87 Difference]: Start difference. First operand 885 states and 1156 transitions. Second operand 3 states. [2018-09-23 19:44:53,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:53,823 INFO L93 Difference]: Finished difference Result 2649 states and 3462 transitions. [2018-09-23 19:44:53,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:53,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-23 19:44:53,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:53,833 INFO L225 Difference]: With dead ends: 2649 [2018-09-23 19:44:53,833 INFO L226 Difference]: Without dead ends: 1767 [2018-09-23 19:44:53,835 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:53,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2018-09-23 19:44:54,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1765. [2018-09-23 19:44:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1765 states. [2018-09-23 19:44:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2260 transitions. [2018-09-23 19:44:54,126 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2260 transitions. Word has length 36 [2018-09-23 19:44:54,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:54,126 INFO L480 AbstractCegarLoop]: Abstraction has 1765 states and 2260 transitions. [2018-09-23 19:44:54,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2260 transitions. [2018-09-23 19:44:54,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 19:44:54,130 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:54,130 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, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:54,130 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:54,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:54,133 INFO L82 PathProgramCache]: Analyzing trace with hash 42087099, now seen corresponding path program 1 times [2018-09-23 19:44:54,133 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:54,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:54,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:54,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:54,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:54,313 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-23 19:44:54,395 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:54,396 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-23 19:44:54,396 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-23 19:44:54,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:54,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 19:44:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-23 19:44:54,935 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-23 19:44:54,935 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-09-23 19:44:54,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-23 19:44:54,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-23 19:44:54,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-23 19:44:54,938 INFO L87 Difference]: Start difference. First operand 1765 states and 2260 transitions. Second operand 7 states. [2018-09-23 19:44:55,162 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-23 19:44:55,667 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-23 19:44:56,177 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-23 19:44:56,509 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-23 19:44:57,150 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-23 19:44:57,449 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-23 19:44:59,811 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-23 19:45:00,063 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-23 19:45:00,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:00,487 INFO L93 Difference]: Finished difference Result 4087 states and 5237 transitions. [2018-09-23 19:45:00,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-23 19:45:00,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2018-09-23 19:45:00,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:00,496 INFO L225 Difference]: With dead ends: 4087 [2018-09-23 19:45:00,497 INFO L226 Difference]: Without dead ends: 1617 [2018-09-23 19:45:00,500 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2018-09-23 19:45:00,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2018-09-23 19:45:00,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1454. [2018-09-23 19:45:00,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1454 states. [2018-09-23 19:45:00,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 1737 transitions. [2018-09-23 19:45:00,733 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 1737 transitions. Word has length 36 [2018-09-23 19:45:00,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:00,733 INFO L480 AbstractCegarLoop]: Abstraction has 1454 states and 1737 transitions. [2018-09-23 19:45:00,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-23 19:45:00,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1737 transitions. [2018-09-23 19:45:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-23 19:45:00,736 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:00,736 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2018-09-23 19:45:00,737 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:00,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:00,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1718966135, now seen corresponding path program 2 times [2018-09-23 19:45:00,737 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:00,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:00,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:00,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:00,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-23 19:45:00,842 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:00,842 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:45:00,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:00,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:00,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:00,844 INFO L87 Difference]: Start difference. First operand 1454 states and 1737 transitions. Second operand 3 states. [2018-09-23 19:45:00,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:00,881 INFO L93 Difference]: Finished difference Result 1464 states and 1748 transitions. [2018-09-23 19:45:00,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:00,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-09-23 19:45:00,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:00,881 INFO L225 Difference]: With dead ends: 1464 [2018-09-23 19:45:00,881 INFO L226 Difference]: Without dead ends: 0 [2018-09-23 19:45:00,883 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:00,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-23 19:45:00,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-23 19:45:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-23 19:45:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-23 19:45:00,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-09-23 19:45:00,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:00,885 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-23 19:45:00,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:00,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-23 19:45:00,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-23 19:45:00,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-23 19:45:01,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:01,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:02,493 WARN L178 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-09-23 19:45:02,715 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-23 19:45:03,272 WARN L178 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-23 19:45:03,487 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-09-23 19:45:03,596 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-23 19:45:04,372 WARN L178 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-09-23 19:45:04,481 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-09-23 19:45:04,602 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-09-23 19:45:04,730 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-23 19:45:04,849 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-23 19:45:05,095 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-09-23 19:45:05,392 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-09-23 19:45:05,656 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 516) no Hoare annotation was computed. [2018-09-23 19:45:05,656 INFO L422 ceAbstractionStarter]: At program point L440(lines 440 450) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse3 (<= ~mode4 1)) (.cse4 (not (= ~p3_new ~nomsg))) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (<= 0 ~send3))) (or (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse2 (mod v_~r1_9 256))) (and (= (+ .cse2 1) ~r1) (<= .cse2 0)))) .cse3 .cse4 .cse5 .cse6 (not (= ~p3_old ~nomsg))) (and .cse0 .cse1 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256))) .cse6))) [2018-09-23 19:45:05,657 INFO L422 ceAbstractionStarter]: At program point L374(lines 374 384) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-23 19:45:05,657 INFO L422 ceAbstractionStarter]: At program point L457(lines 449 458) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse3 (<= ~mode4 1)) (.cse4 (not (= ~p3_new ~nomsg))) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (<= 0 ~send3))) (or (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse2 (mod v_~r1_9 256))) (and (= (+ .cse2 1) ~r1) (<= .cse2 0)))) .cse3 .cse4 .cse5 .cse6 (not (= ~p3_old ~nomsg))) (and .cse0 .cse1 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256))) .cse6))) [2018-09-23 19:45:05,657 INFO L422 ceAbstractionStarter]: At program point L391(lines 383 392) the Hoare annotation is: (let ((.cse6 (<= 1 ~mode4)) (.cse7 (<= ~mode4 1)) (.cse9 (= ~mode5 (* 256 (div ~mode5 256)))) (.cse0 (<= ~send3 127)) (.cse2 (not (= ~p3_new ~nomsg))) (.cse3 (= 0 (+ ~nomsg 1))) (.cse8 (<= ~r1 (* 256 (div ~r1 256)))) (.cse4 (<= 0 ~send3)) (.cse5 (not (= ~p3_old ~nomsg)))) (or (and .cse0 (exists ((v_~r1_9 Int)) (let ((.cse1 (mod v_~r1_9 256))) (and (= (+ .cse1 1) ~r1) (<= .cse1 0)))) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_assert_~arg 1) .cse2 (<= 1 ULTIMATE.start_check_~tmp~132) .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse6 (= ~mode3 (* 256 (div ~mode3 256))) .cse7 .cse3 .cse4 .cse5) (and .cse9 .cse0 .cse2 .cse3 .cse8 (= ~mode4 (* 256 (div ~mode4 256))) .cse4) (and .cse9 .cse0 .cse2 .cse3 .cse8 .cse4 .cse5))) [2018-09-23 19:45:05,657 INFO L422 ceAbstractionStarter]: At program point L511(lines 511 515) the Hoare annotation is: false [2018-09-23 19:45:05,657 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 96 517) no Hoare annotation was computed. [2018-09-23 19:45:05,658 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 96 517) no Hoare annotation was computed. [2018-09-23 19:45:05,658 INFO L422 ceAbstractionStarter]: At program point L495(lines 490 496) the Hoare annotation is: (and (<= ~send3 127) (<= 1 ~mode4) (<= ~mode4 1) (<= 1 ULTIMATE.start_check_~tmp~132) (= 0 (+ ~nomsg 1)) (<= 0 ~send3) (not (= ~p3_old ~nomsg))) [2018-09-23 19:45:05,658 INFO L422 ceAbstractionStarter]: At program point L396(lines 396 406) the Hoare annotation is: (let ((.cse6 (<= 1 ~mode4)) (.cse7 (<= ~mode4 1)) (.cse9 (= ~mode5 (* 256 (div ~mode5 256)))) (.cse0 (<= ~send3 127)) (.cse2 (not (= ~p3_new ~nomsg))) (.cse3 (= 0 (+ ~nomsg 1))) (.cse8 (<= ~r1 (* 256 (div ~r1 256)))) (.cse4 (<= 0 ~send3)) (.cse5 (not (= ~p3_old ~nomsg)))) (or (and .cse0 (exists ((v_~r1_9 Int)) (let ((.cse1 (mod v_~r1_9 256))) (and (= (+ .cse1 1) ~r1) (<= .cse1 0)))) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_assert_~arg 1) .cse2 (<= 1 ULTIMATE.start_check_~tmp~132) .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse6 (= ~mode3 (* 256 (div ~mode3 256))) .cse7 .cse3 .cse4 .cse5) (and .cse9 .cse0 .cse2 .cse3 .cse8 (= ~mode4 (* 256 (div ~mode4 256))) .cse4) (and .cse9 .cse0 .cse2 .cse3 .cse8 .cse4 .cse5))) [2018-09-23 19:45:05,658 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 96 517) no Hoare annotation was computed. [2018-09-23 19:45:05,658 INFO L422 ceAbstractionStarter]: At program point L413(lines 405 414) the Hoare annotation is: (let ((.cse7 (not (= ~p3_old ~nomsg))) (.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse3 (<= ~mode4 1)) (.cse4 (not (= ~p3_new ~nomsg))) (.cse5 (= 0 (+ ~nomsg 1))) (.cse8 (<= ~r1 (* 256 (div ~r1 256)))) (.cse6 (<= 0 ~send3))) (or (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse2 (mod v_~r1_9 256))) (and (= (+ .cse2 1) ~r1) (<= .cse2 0)))) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= ULTIMATE.start_assert_~arg 1) .cse3 .cse4 (<= 1 ULTIMATE.start_check_~tmp~132) .cse5 .cse8 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 .cse1 .cse3 .cse4 .cse5 .cse8 .cse6))) [2018-09-23 19:45:05,659 INFO L422 ceAbstractionStarter]: At program point L347(lines 339 348) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-23 19:45:05,659 INFO L422 ceAbstractionStarter]: At program point L475(lines 475 481) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse2 (<= ~mode4 1)) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= 0 ~send3)) (.cse5 (not (= ~p3_old ~nomsg)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~r1 (* 256 (div ~r1 256))) .cse4 .cse5) (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse6 (mod v_~r1_9 256))) (and (= (+ .cse6 1) ~r1) (<= .cse6 0)))) .cse2 .cse3 .cse4 .cse5))) [2018-09-23 19:45:05,659 INFO L422 ceAbstractionStarter]: At program point L484(lines 480 491) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse2 (<= ~mode4 1)) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= 0 ~send3)) (.cse5 (not (= ~p3_old ~nomsg)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~r1 (* 256 (div ~r1 256))) .cse4 .cse5) (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse6 (mod v_~r1_9 256))) (and (= (+ .cse6 1) ~r1) (<= .cse6 0)))) .cse2 .cse3 .cse4 .cse5))) [2018-09-23 19:45:05,659 INFO L422 ceAbstractionStarter]: At program point L418(lines 418 428) the Hoare annotation is: (let ((.cse7 (not (= ~p3_old ~nomsg))) (.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse3 (<= ~mode4 1)) (.cse4 (not (= ~p3_new ~nomsg))) (.cse5 (= 0 (+ ~nomsg 1))) (.cse8 (<= ~r1 (* 256 (div ~r1 256)))) (.cse6 (<= 0 ~send3))) (or (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse2 (mod v_~r1_9 256))) (and (= (+ .cse2 1) ~r1) (<= .cse2 0)))) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= ULTIMATE.start_assert_~arg 1) .cse3 .cse4 (<= 1 ULTIMATE.start_check_~tmp~132) .cse5 .cse8 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 .cse1 .cse3 .cse4 .cse5 .cse8 .cse6))) [2018-09-23 19:45:05,660 INFO L422 ceAbstractionStarter]: At program point L352(lines 352 362) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-23 19:45:05,660 INFO L422 ceAbstractionStarter]: At program point L505(lines 505 512) the Hoare annotation is: (and (<= ~send3 127) (<= 1 ~mode4) (= ULTIMATE.start_assert_~arg 1) (<= ~mode4 1) (<= 1 ULTIMATE.start_check_~tmp~132) (= 0 (+ ~nomsg 1)) (<= 0 ~send3) (not (= ~p3_old ~nomsg))) [2018-09-23 19:45:05,660 INFO L422 ceAbstractionStarter]: At program point L435(lines 427 436) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse3 (<= ~mode4 1)) (.cse4 (not (= ~p3_new ~nomsg))) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (<= 0 ~send3))) (or (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse2 (mod v_~r1_9 256))) (and (= (+ .cse2 1) ~r1) (<= .cse2 0)))) .cse3 .cse4 .cse5 .cse6 (not (= ~p3_old ~nomsg))) (and .cse0 .cse1 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256))) .cse6))) [2018-09-23 19:45:05,660 INFO L422 ceAbstractionStarter]: At program point L369(lines 361 370) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-23 19:45:05,660 INFO L422 ceAbstractionStarter]: At program point L328(lines 328 340) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-23 19:45:05,661 INFO L422 ceAbstractionStarter]: At program point L514(lines 321 514) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-23 19:45:05,668 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,669 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,675 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,675 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,678 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,678 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,679 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,680 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,683 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,683 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,685 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,685 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,687 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,687 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,689 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,690 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,692 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,692 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,694 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,694 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,695 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,695 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,696 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,697 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,699 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,699 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,701 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,701 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,703 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,703 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,705 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,705 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,707 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,708 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,709 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,709 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,711 INFO L202 PluginConnector]: Adding new model pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 07:45:05 BoogieIcfgContainer [2018-09-23 19:45:05,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-23 19:45:05,712 INFO L168 Benchmark]: Toolchain (without parser) took 16032.57 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 152.6 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -75.5 MB). Peak memory consumption was 613.5 MB. Max. memory is 7.1 GB. [2018-09-23 19:45:05,713 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 19:45:05,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 19:45:05,714 INFO L168 Benchmark]: Boogie Preprocessor took 65.63 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 19:45:05,715 INFO L168 Benchmark]: RCFGBuilder took 724.04 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. [2018-09-23 19:45:05,716 INFO L168 Benchmark]: TraceAbstraction took 15175.70 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 152.6 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -117.8 MB). Peak memory consumption was 571.3 MB. Max. memory is 7.1 GB. [2018-09-23 19:45:05,720 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.63 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 724.04 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 15175.70 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 152.6 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -117.8 MB). Peak memory consumption was 571.3 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_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 480]: Loop Invariant [2018-09-23 19:45:05,730 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,731 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,731 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,731 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: ((((((~send3 <= 127 && 1 <= ~mode4) && assert_~arg == 1) && ~mode4 <= 1) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg) - InvariantResult [Line: 440]: Loop Invariant [2018-09-23 19:45:05,732 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,733 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,733 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,734 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 418]: Loop Invariant [2018-09-23 19:45:05,735 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,742 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,743 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,743 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || (((((((((~send3 <= 127 && 1 <= ~mode4) && assert_~arg == 1) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || (((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) - InvariantResult [Line: 396]: Loop Invariant [2018-09-23 19:45:05,744 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,744 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,749 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,749 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((((~send3 <= 127 && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || (((((((~send3 <= 127 && assert_~arg == 1) && !(~p3_new == ~nomsg)) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode3 == 256 * (~mode3 / 256)) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || ((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3)) || ((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~send3 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~send3 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 449]: Loop Invariant [2018-09-23 19:45:05,753 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,753 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,754 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,754 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) - InvariantResult [Line: 427]: Loop Invariant [2018-09-23 19:45:05,758 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,758 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,759 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,759 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 405]: Loop Invariant [2018-09-23 19:45:05,760 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,760 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,763 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,763 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || (((((((((~send3 <= 127 && 1 <= ~mode4) && assert_~arg == 1) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || (((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) - InvariantResult [Line: 383]: Loop Invariant [2018-09-23 19:45:05,764 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,764 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,765 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,770 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((((~send3 <= 127 && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || (((((((~send3 <= 127 && assert_~arg == 1) && !(~p3_new == ~nomsg)) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode3 == 256 * (~mode3 / 256)) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || ((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3)) || ((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~send3 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: ((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~send3 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 475]: Loop Invariant [2018-09-23 19:45:05,772 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,772 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,773 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-23 19:45:05,773 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. SAFE Result, 15.0s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 6.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 356 SDtfs, 297 SDslu, 258 SDs, 0 SdLazy, 296 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1765occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 327 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 738 NumberOfFragments, 1408 HoareAnnotationTreeSize, 18 FomulaSimplifications, 41599 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 18 FomulaSimplificationsInter, 105 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 334 ConstructedInterpolants, 12 QuantifiedInterpolants, 42481 SizeOfPredicates, 1 NumberOfNonLiveVariables, 354 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 167/187 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.6.ufo.UNBOUNDED.pals.c_23.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-23_19-45-05-781.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-23_19-45-05-781.csv Received shutdown request...