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_PUPT.epf -i ../../../trunk/examples/programs/real-life/GripperTest-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 21:40:12,051 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 21:40:12,054 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 21:40:12,066 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 21:40:12,067 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 21:40:12,068 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 21:40:12,069 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 21:40:12,071 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 21:40:12,073 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 21:40:12,074 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 21:40:12,075 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 21:40:12,075 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 21:40:12,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 21:40:12,078 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 21:40:12,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 21:40:12,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 21:40:12,081 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 21:40:12,083 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 21:40:12,086 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 21:40:12,088 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 21:40:12,089 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 21:40:12,090 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 21:40:12,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 21:40:12,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 21:40:12,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 21:40:12,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 21:40:12,096 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 21:40:12,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 21:40:12,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 21:40:12,099 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 21:40:12,099 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 21:40:12,100 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 21:40:12,100 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 21:40:12,100 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 21:40:12,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 21:40:12,102 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 21:40:12,102 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-09-26 21:40:12,132 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 21:40:12,133 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 21:40:12,134 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 21:40:12,134 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 21:40:12,136 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 21:40:12,136 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 21:40:12,136 INFO L133 SettingsManager]: * Use SBE=true [2018-09-26 21:40:12,136 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 21:40:12,137 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 21:40:12,137 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 21:40:12,137 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 21:40:12,137 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 21:40:12,139 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 21:40:12,139 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 21:40:12,139 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 21:40:12,139 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 21:40:12,139 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 21:40:12,140 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 21:40:12,140 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 21:40:12,140 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-26 21:40:12,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 21:40:12,142 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-26 21:40:12,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-26 21:40:12,142 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 21:40:12,142 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 21:40:12,143 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 21:40:12,143 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-26 21:40:12,143 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 21:40:12,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 21:40:12,143 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 21:40:12,144 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 21:40:12,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 21:40:12,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 21:40:12,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 21:40:12,248 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 21:40:12,249 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 21:40:12,250 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GripperTest-incorrect.bpl [2018-09-26 21:40:12,250 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GripperTest-incorrect.bpl' [2018-09-26 21:40:12,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 21:40:12,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 21:40:12,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 21:40:12,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 21:40:12,321 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 21:40:12,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/1) ... [2018-09-26 21:40:12,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/1) ... [2018-09-26 21:40:12,365 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 21:40:12,366 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 21:40:12,366 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 21:40:12,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 21:40:12,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 21:40:12,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 21:40:12,370 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 21:40:12,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/1) ... [2018-09-26 21:40:12,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/1) ... [2018-09-26 21:40:12,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/1) ... [2018-09-26 21:40:12,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/1) ... [2018-09-26 21:40:12,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/1) ... [2018-09-26 21:40:12,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/1) ... [2018-09-26 21:40:12,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/1) ... [2018-09-26 21:40:12,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 21:40:12,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 21:40:12,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 21:40:12,402 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 21:40:12,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-26 21:40:12,487 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 21:40:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 21:40:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 21:40:12,807 INFO L343 CfgBuilder]: Using library mode [2018-09-26 21:40:12,808 INFO L202 PluginConnector]: Adding new model GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:40:12 BoogieIcfgContainer [2018-09-26 21:40:12,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 21:40:12,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 21:40:12,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 21:40:12,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 21:40:12,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:40:12" (1/2) ... [2018-09-26 21:40:12,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f012490 and model type GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:40:12, skipping insertion in model container [2018-09-26 21:40:12,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:40:12" (2/2) ... [2018-09-26 21:40:12,819 INFO L112 eAbstractionObserver]: Analyzing ICFG GripperTest-incorrect.bpl [2018-09-26 21:40:12,842 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-26 21:40:12,856 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 21:40:12,971 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 21:40:12,972 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 21:40:12,972 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 21:40:12,972 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-26 21:40:12,973 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 21:40:12,973 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 21:40:12,973 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 21:40:12,973 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 21:40:12,973 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 21:40:12,989 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-09-26 21:40:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 21:40:12,996 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:40:12,997 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-26 21:40:12,999 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-26 21:40:13,006 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 21:40:13,007 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-09-26 21:40:13,008 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:40:13,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:40:13,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:40:13,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:40:13,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:40:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:40:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:40:13,145 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:40:13,145 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-26 21:40:13,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 21:40:13,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 21:40:13,161 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-26 21:40:13,162 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-09-26 21:40:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:40:13,308 INFO L93 Difference]: Finished difference Result 15 states and 35 transitions. [2018-09-26 21:40:13,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 21:40:13,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-26 21:40:13,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:40:13,325 INFO L225 Difference]: With dead ends: 15 [2018-09-26 21:40:13,325 INFO L226 Difference]: Without dead ends: 12 [2018-09-26 21:40:13,328 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-26 21:40:13,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-09-26 21:40:13,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-09-26 21:40:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-09-26 21:40:13,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 32 transitions. [2018-09-26 21:40:13,368 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 32 transitions. Word has length 2 [2018-09-26 21:40:13,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:40:13,368 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 32 transitions. [2018-09-26 21:40:13,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 21:40:13,368 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 32 transitions. [2018-09-26 21:40:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 21:40:13,369 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:40:13,369 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 21:40:13,369 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-26 21:40:13,369 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 21:40:13,370 INFO L82 PathProgramCache]: Analyzing trace with hash 890483868, now seen corresponding path program 1 times [2018-09-26 21:40:13,370 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:40:13,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:40:13,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:40:13,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:40:13,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:40:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:40:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:40:13,403 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:40:13,403 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 21:40:13,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 21:40:13,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 21:40:13,406 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-26 21:40:13,406 INFO L87 Difference]: Start difference. First operand 12 states and 32 transitions. Second operand 3 states. [2018-09-26 21:40:13,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:40:13,553 INFO L93 Difference]: Finished difference Result 33 states and 92 transitions. [2018-09-26 21:40:13,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 21:40:13,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2018-09-26 21:40:13,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:40:13,557 INFO L225 Difference]: With dead ends: 33 [2018-09-26 21:40:13,557 INFO L226 Difference]: Without dead ends: 22 [2018-09-26 21:40:13,558 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-26 21:40:13,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-09-26 21:40:13,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2018-09-26 21:40:13,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-09-26 21:40:13,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 55 transitions. [2018-09-26 21:40:13,565 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 55 transitions. Word has length 6 [2018-09-26 21:40:13,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:40:13,567 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 55 transitions. [2018-09-26 21:40:13,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 21:40:13,567 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 55 transitions. [2018-09-26 21:40:13,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 21:40:13,568 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:40:13,568 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2018-09-26 21:40:13,568 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-09-26 21:40:13,569 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 21:40:13,569 INFO L82 PathProgramCache]: Analyzing trace with hash 2084905842, now seen corresponding path program 1 times [2018-09-26 21:40:13,569 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:40:13,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:40:13,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:40:13,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:40:13,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:40:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-26 21:40:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-26 21:40:13,601 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-09-26 21:40:13,625 INFO L202 PluginConnector]: Adding new model GripperTest-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:40:13 BoogieIcfgContainer [2018-09-26 21:40:13,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 21:40:13,626 INFO L168 Benchmark]: Toolchain (without parser) took 1311.07 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-26 21:40:13,628 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 21:40:13,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 21:40:13,630 INFO L168 Benchmark]: Boogie Preprocessor took 31.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 21:40:13,631 INFO L168 Benchmark]: RCFGBuilder took 406.17 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. [2018-09-26 21:40:13,632 INFO L168 Benchmark]: TraceAbstraction took 815.56 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-26 21:40:13,637 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 0.23 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 48.77 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 31.18 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 406.17 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 815.56 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: loop invariant can be violated and assertion can be violated loop invariant can be violated and assertion can be violated We found a FailurePath: [L13] is_room_x := true; [L14] is_left_gripper := true; [L15] room_x := 4; [L16] room_y := 0; [L17] gripper_left := 0; [L18] gripper_right := 0; VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=true, room_x=4, room_y=0] [L22] invariant room_y != -1; VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=true, room_x=4, room_y=0] [?] COND TRUE * VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=true, room_x=4, room_y=0] [L25] COND TRUE is_room_x == true [L26] is_room_x := false; VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=false, room_x=4, room_y=0] [L22] invariant room_y != -1; VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=false, room_x=4, room_y=0] [?] COND TRUE * VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=false, room_x=4, room_y=0] [L39] COND FALSE !(true == is_room_x) [L42] room_y := room_y - 1; VAL [gripper_left=0, gripper_right=0, is_left_gripper=true, is_room_x=false, room_x=4, room_y=-1] [L45] COND TRUE true == is_left_gripper [L46] gripper_left := gripper_left + 1; VAL [gripper_left=1, gripper_right=0, is_left_gripper=true, is_room_x=false, room_x=4, room_y=-1] [L22] invariant room_y != -1; VAL [gripper_left=1, gripper_right=0, is_left_gripper=true, is_room_x=false, room_x=4, room_y=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 24 SDslu, 23 SDs, 0 SdLazy, 13 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=2, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GripperTest-incorrect.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_21-40-13-650.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GripperTest-incorrect.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_21-40-13-650.csv Received shutdown request...