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/cggmp2005b.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 10:21:33,020 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 10:21:33,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 10:21:33,041 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 10:21:33,041 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 10:21:33,042 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 10:21:33,044 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 10:21:33,047 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 10:21:33,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 10:21:33,050 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 10:21:33,052 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-30 10:21:33,088 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 10:21:33,108 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 10:21:33,109 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 10:21:33,109 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 10:21:33,110 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 10:21:33,110 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 10:21:33,113 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 10:21:33,114 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 10:21:33,114 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 10:21:33,114 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 10:21:33,114 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 10:21:33,114 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 10:21:33,115 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 10:21:33,115 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 10:21:33,115 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 10:21:33,115 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 10:21:33,115 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 10:21:33,116 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 10:21:33,116 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 10:21:33,116 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 10:21:33,116 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 10:21:33,116 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 10:21:33,118 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 10:21:33,118 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:21:33,118 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 10:21:33,118 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 10:21:33,119 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 10:21:33,119 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 10:21:33,119 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 10:21:33,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 10:21:33,119 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 10:21:33,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 10:21:33,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 10:21:33,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 10:21:33,208 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 10:21:33,209 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 10:21:33,210 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005b.c.i_4.bpl [2018-09-30 10:21:33,211 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/cggmp2005b.c.i_4.bpl' [2018-09-30 10:21:33,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 10:21:33,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 10:21:33,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 10:21:33,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 10:21:33,261 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 10:21:33,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/1) ... [2018-09-30 10:21:33,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/1) ... [2018-09-30 10:21:33,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 10:21:33,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 10:21:33,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 10:21:33,302 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 10:21:33,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/1) ... [2018-09-30 10:21:33,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/1) ... [2018-09-30 10:21:33,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/1) ... [2018-09-30 10:21:33,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/1) ... [2018-09-30 10:21:33,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/1) ... [2018-09-30 10:21:33,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/1) ... [2018-09-30 10:21:33,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/1) ... [2018-09-30 10:21:33,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 10:21:33,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 10:21:33,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 10:21:33,324 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 10:21:33,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:21:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 10:21:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 10:21:33,693 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 10:21:33,693 INFO L202 PluginConnector]: Adding new model cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:21:33 BoogieIcfgContainer [2018-09-30 10:21:33,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 10:21:33,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 10:21:33,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 10:21:33,699 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 10:21:33,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:21:33" (1/2) ... [2018-09-30 10:21:33,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3701d8fd and model type cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 10:21:33, skipping insertion in model container [2018-09-30 10:21:33,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:21:33" (2/2) ... [2018-09-30 10:21:33,702 INFO L112 eAbstractionObserver]: Analyzing ICFG cggmp2005b.c.i_4.bpl [2018-09-30 10:21:33,712 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 10:21:33,721 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 10:21:33,775 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 10:21:33,776 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 10:21:33,776 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 10:21:33,776 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 10:21:33,776 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 10:21:33,776 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 10:21:33,777 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 10:21:33,777 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 10:21:33,777 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 10:21:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-30 10:21:33,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 10:21:33,800 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:21:33,801 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-30 10:21:33,803 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:21:33,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:21:33,810 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-30 10:21:33,812 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:21:33,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:21:33,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:21:33,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:21:33,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:21:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:21:33,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:21:33,980 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:21:33,980 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:21:33,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:21:33,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:21:33,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:21:34,001 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-09-30 10:21:34,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:21:34,056 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2018-09-30 10:21:34,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:21:34,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-30 10:21:34,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:21:34,070 INFO L225 Difference]: With dead ends: 15 [2018-09-30 10:21:34,070 INFO L226 Difference]: Without dead ends: 9 [2018-09-30 10:21:34,074 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:21:34,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-30 10:21:34,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-30 10:21:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-30 10:21:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-09-30 10:21:34,114 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2018-09-30 10:21:34,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:21:34,114 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-09-30 10:21:34,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:21:34,115 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-30 10:21:34,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 10:21:34,118 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:21:34,118 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-09-30 10:21:34,119 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:21:34,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:21:34,119 INFO L82 PathProgramCache]: Analyzing trace with hash 209100445, now seen corresponding path program 1 times [2018-09-30 10:21:34,119 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:21:34,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:21:34,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:21:34,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:21:34,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:21:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:21:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:21:34,179 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:21:34,179 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:21:34,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:21:34,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:21:34,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:21:34,182 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 3 states. [2018-09-30 10:21:34,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:21:34,217 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2018-09-30 10:21:34,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:21:34,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-09-30 10:21:34,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:21:34,218 INFO L225 Difference]: With dead ends: 17 [2018-09-30 10:21:34,219 INFO L226 Difference]: Without dead ends: 11 [2018-09-30 10:21:34,220 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:21:34,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-09-30 10:21:34,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-09-30 10:21:34,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-09-30 10:21:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2018-09-30 10:21:34,224 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2018-09-30 10:21:34,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:21:34,224 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2018-09-30 10:21:34,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:21:34,225 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-30 10:21:34,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 10:21:34,225 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:21:34,226 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2018-09-30 10:21:34,226 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:21:34,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:21:34,226 INFO L82 PathProgramCache]: Analyzing trace with hash -850198025, now seen corresponding path program 1 times [2018-09-30 10:21:34,226 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:21:34,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:21:34,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:21:34,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:21:34,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:21:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:21:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 10:21:34,383 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:21:34,383 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:21:34,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:21:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:21:34,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:21:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 10:21:34,487 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:21:34,488 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-09-30 10:21:34,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 10:21:34,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 10:21:34,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-30 10:21:34,489 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 4 states. [2018-09-30 10:21:34,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:21:34,635 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2018-09-30 10:21:34,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 10:21:34,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-09-30 10:21:34,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:21:34,638 INFO L225 Difference]: With dead ends: 17 [2018-09-30 10:21:34,638 INFO L226 Difference]: Without dead ends: 15 [2018-09-30 10:21:34,640 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-30 10:21:34,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-09-30 10:21:34,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-09-30 10:21:34,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-09-30 10:21:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-09-30 10:21:34,650 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2018-09-30 10:21:34,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:21:34,651 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-09-30 10:21:34,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 10:21:34,651 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-09-30 10:21:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 10:21:34,652 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:21:34,652 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1] [2018-09-30 10:21:34,653 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:21:34,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:21:34,653 INFO L82 PathProgramCache]: Analyzing trace with hash 186575053, now seen corresponding path program 2 times [2018-09-30 10:21:34,654 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:21:34,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:21:34,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:21:34,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:21:34,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:21:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:21:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:21:34,884 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:21:34,885 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:21:34,905 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-30 10:21:34,946 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-30 10:21:34,946 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-30 10:21:34,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:21:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 10:21:35,104 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:21:35,104 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-09-30 10:21:35,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-30 10:21:35,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-30 10:21:35,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-09-30 10:21:35,106 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 7 states. [2018-09-30 10:21:35,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:21:35,480 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2018-09-30 10:21:35,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 10:21:35,482 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-09-30 10:21:35,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:21:35,483 INFO L225 Difference]: With dead ends: 25 [2018-09-30 10:21:35,483 INFO L226 Difference]: Without dead ends: 17 [2018-09-30 10:21:35,484 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-09-30 10:21:35,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-09-30 10:21:35,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-09-30 10:21:35,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-09-30 10:21:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2018-09-30 10:21:35,490 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2018-09-30 10:21:35,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:21:35,492 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2018-09-30 10:21:35,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-30 10:21:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-09-30 10:21:35,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 10:21:35,493 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:21:35,493 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1] [2018-09-30 10:21:35,494 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:21:35,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:21:35,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1490411687, now seen corresponding path program 3 times [2018-09-30 10:21:35,495 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:21:35,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:21:35,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:21:35,498 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-30 10:21:35,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:21:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:21:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-09-30 10:21:35,563 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:21:35,564 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:21:35,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:21:35,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:21:35,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:21:35,566 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 3 states. [2018-09-30 10:21:35,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:21:35,580 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2018-09-30 10:21:35,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:21:35,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-30 10:21:35,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:21:35,581 INFO L225 Difference]: With dead ends: 17 [2018-09-30 10:21:35,581 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 10:21:35,582 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 [2018-09-30 10:21:35,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 10:21:35,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 10:21:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 10:21:35,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 10:21:35,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-09-30 10:21:35,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:21:35,583 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 10:21:35,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:21:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 10:21:35,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 10:21:35,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 10:21:35,739 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 53) no Hoare annotation was computed. [2018-09-30 10:21:35,740 INFO L422 ceAbstractionStarter]: At program point L31(lines 31 36) the Hoare annotation is: false [2018-09-30 10:21:35,740 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 53) no Hoare annotation was computed. [2018-09-30 10:21:35,740 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 53) no Hoare annotation was computed. [2018-09-30 10:21:35,740 INFO L422 ceAbstractionStarter]: At program point L21(lines 21 32) the Hoare annotation is: (or (and (<= ULTIMATE.start_main_~i~4 0) (<= (+ ULTIMATE.start_main_~j~4 100) ULTIMATE.start_main_~i~4)) (= ULTIMATE.start_main_~k~4 4)) [2018-09-30 10:21:35,740 INFO L422 ceAbstractionStarter]: At program point L52(lines 35 52) the Hoare annotation is: (or (= ULTIMATE.start_main_~k~4 4) (<= ULTIMATE.start_main_~i~4 1)) [2018-09-30 10:21:35,740 INFO L422 ceAbstractionStarter]: At program point L48(lines 18 48) the Hoare annotation is: (or (and (<= ULTIMATE.start_main_~i~4 0) (<= (+ ULTIMATE.start_main_~j~4 100) ULTIMATE.start_main_~i~4)) (= ULTIMATE.start_main_~k~4 4)) [2018-09-30 10:21:35,741 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 37) no Hoare annotation was computed. [2018-09-30 10:21:35,741 INFO L422 ceAbstractionStarter]: At program point L40(lines 40 49) the Hoare annotation is: (or (= ULTIMATE.start_main_~k~4 4) (<= ULTIMATE.start_main_~i~4 1)) [2018-09-30 10:21:35,751 INFO L202 PluginConnector]: Adding new model cggmp2005b.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 10:21:35 BoogieIcfgContainer [2018-09-30 10:21:35,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 10:21:35,752 INFO L168 Benchmark]: Toolchain (without parser) took 2494.59 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: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-09-30 10:21:35,754 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:21:35,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:21:35,755 INFO L168 Benchmark]: Boogie Preprocessor took 21.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:21:35,756 INFO L168 Benchmark]: RCFGBuilder took 370.60 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 10:21:35,757 INFO L168 Benchmark]: TraceAbstraction took 2056.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2018-09-30 10:21:35,761 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 0.21 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 40.38 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 21.25 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 370.60 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2056.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 37]: 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: 31]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (main_~i~4 <= 0 && main_~j~4 + 100 <= main_~i~4) || main_~k~4 == 4 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (main_~i~4 <= 0 && main_~j~4 + 100 <= main_~i~4) || main_~k~4 == 4 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: main_~k~4 == 4 || main_~i~4 <= 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: main_~k~4 == 4 || main_~i~4 <= 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 37 SDtfs, 5 SDslu, 41 SDs, 0 SdLazy, 34 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=4, 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 19 NumberOfFragments, 41 HoareAnnotationTreeSize, 5 FomulaSimplifications, 72 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 1983 SizeOfPredicates, 3 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 42/52 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/cggmp2005b.c.i_4.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_10-21-35-775.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/cggmp2005b.c.i_4.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_10-21-35-775.csv Received shutdown request...