java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/PRODUCER_CONSUMMER_luke_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 17:08:57,701 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 17:08:57,703 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 17:08:57,716 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 17:08:57,716 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 17:08:57,719 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 17:08:57,720 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 17:08:57,724 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 17:08:57,725 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 17:08:57,727 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 17:08:57,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 17:08:57,728 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 17:08:57,729 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 17:08:57,731 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 17:08:57,731 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 17:08:57,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 17:08:57,734 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 17:08:57,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 17:08:57,738 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 17:08:57,739 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 17:08:57,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 17:08:57,744 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-25 17:08:57,749 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 17:08:57,750 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 17:08:57,751 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 17:08:57,751 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 17:08:57,752 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 17:08:57,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 17:08:57,754 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 17:08:57,770 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 17:08:57,770 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 17:08:57,771 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 17:08:57,771 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 17:08:57,772 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 17:08:57,772 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 17:08:57,773 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 17:08:57,777 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 17:08:57,778 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 17:08:57,778 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 17:08:57,778 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 17:08:57,778 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 17:08:57,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 17:08:57,779 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 17:08:57,779 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 17:08:57,779 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 17:08:57,779 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 17:08:57,779 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 17:08:57,780 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 17:08:57,780 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 17:08:57,780 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 17:08:57,782 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 17:08:57,782 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 17:08:57,836 INFO ]: Repository-Root is: /tmp [2018-06-25 17:08:57,883 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 17:08:57,892 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 17:08:57,911 INFO ]: Initializing SmtParser... [2018-06-25 17:08:57,911 INFO ]: SmtParser initialized [2018-06-25 17:08:57,912 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/PRODUCER_CONSUMMER_luke_1.smt2 [2018-06-25 17:08:57,920 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-25 17:08:58,085 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/PRODUCER_CONSUMMER_luke_1.smt2 unknown [2018-06-25 17:08:58,475 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/PRODUCER_CONSUMMER_luke_1.smt2 [2018-06-25 17:08:58,481 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 17:08:58,488 INFO ]: Walking toolchain with 4 elements. [2018-06-25 17:08:58,488 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 17:08:58,489 INFO ]: Initializing ChcToBoogie... [2018-06-25 17:08:58,489 INFO ]: ChcToBoogie initialized [2018-06-25 17:08:58,492 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 05:08:58" (1/1) ... [2018-06-25 17:08:58,579 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:08:58 Unit [2018-06-25 17:08:58,579 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 17:08:58,580 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 17:08:58,580 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 17:08:58,580 INFO ]: Boogie Preprocessor initialized [2018-06-25 17:08:58,628 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:08:58" (1/1) ... [2018-06-25 17:08:58,628 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:08:58" (1/1) ... [2018-06-25 17:08:58,646 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:08:58" (1/1) ... [2018-06-25 17:08:58,647 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:08:58" (1/1) ... [2018-06-25 17:08:58,660 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:08:58" (1/1) ... [2018-06-25 17:08:58,662 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:08:58" (1/1) ... [2018-06-25 17:08:58,663 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:08:58" (1/1) ... [2018-06-25 17:08:58,667 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 17:08:58,667 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 17:08:58,667 INFO ]: Initializing RCFGBuilder... [2018-06-25 17:08:58,667 INFO ]: RCFGBuilder initialized [2018-06-25 17:08:58,677 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:08:58" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-25 17:08:58,693 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 17:08:58,693 INFO ]: Found specification of procedure gotoProc [2018-06-25 17:08:58,693 INFO ]: Found implementation of procedure gotoProc [2018-06-25 17:08:58,693 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 17:08:58,693 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 17:08:58,693 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 17:08:59,117 INFO ]: Using library mode [2018-06-25 17:08:59,118 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 05:08:59 BoogieIcfgContainer [2018-06-25 17:08:59,118 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 17:08:59,119 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 17:08:59,119 INFO ]: Initializing TraceAbstraction... [2018-06-25 17:08:59,123 INFO ]: TraceAbstraction initialized [2018-06-25 17:08:59,124 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 05:08:58" (1/3) ... [2018-06-25 17:08:59,125 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305d9f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 05:08:59, skipping insertion in model container [2018-06-25 17:08:59,125 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 05:08:58" (2/3) ... [2018-06-25 17:08:59,126 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305d9f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 05:08:59, skipping insertion in model container [2018-06-25 17:08:59,126 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 05:08:59" (3/3) ... [2018-06-25 17:08:59,128 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 17:08:59,138 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 17:08:59,148 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 17:08:59,204 INFO ]: Using default assertion order modulation [2018-06-25 17:08:59,204 INFO ]: Interprodecural is true [2018-06-25 17:08:59,204 INFO ]: Hoare is false [2018-06-25 17:08:59,204 INFO ]: Compute interpolants for FPandBP [2018-06-25 17:08:59,204 INFO ]: Backedges is TWOTRACK [2018-06-25 17:08:59,204 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 17:08:59,204 INFO ]: Difference is false [2018-06-25 17:08:59,205 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 17:08:59,205 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 17:08:59,222 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 17:08:59,266 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 17:08:59,266 INFO ]: Found error trace [2018-06-25 17:08:59,268 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 17:08:59,268 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 17:08:59,282 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-25 17:08:59,284 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 17:08:59,285 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 17:08:59,365 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 17:08:59,366 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 17:08:59,366 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 17:08:59,489 INFO ]: Conjunction of SSA is unsat [2018-06-25 17:08:59,652 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 17:08:59,655 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 17:08:59,655 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 17:08:59,657 INFO ]: Interpolant automaton has 3 states [2018-06-25 17:08:59,672 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 17:08:59,678 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 17:08:59,688 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 17:08:59,797 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 17:08:59,797 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 17:08:59,798 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 17:08:59,799 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 17:08:59,800 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 17:08:59,812 INFO ]: With dead ends: 9 [2018-06-25 17:08:59,812 INFO ]: Without dead ends: 9 [2018-06-25 17:08:59,814 INFO ]: 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 [2018-06-25 17:08:59,836 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 17:08:59,859 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 17:08:59,861 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 17:08:59,861 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 17:08:59,863 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 17:08:59,863 INFO ]: Finished accepts. word is rejected. [2018-06-25 17:08:59,863 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 17:08:59,863 INFO ]: Interpolant automaton has 3 states. [2018-06-25 17:08:59,863 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 17:08:59,864 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 17:08:59,864 INFO ]: Found error trace [2018-06-25 17:08:59,864 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 17:08:59,864 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 17:08:59,864 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-25 17:08:59,864 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 17:08:59,864 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 17:08:59,865 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 17:08:59,865 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 17:08:59,865 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 17:08:59,996 INFO ]: Conjunction of SSA is sat [2018-06-25 17:09:00,011 INFO ]: Counterexample might be feasible [2018-06-25 17:09:00,046 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 05:09:00 BoogieIcfgContainer [2018-06-25 17:09:00,046 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 17:09:00,055 INFO ]: Toolchain (without parser) took 1565.87 ms. Allocated memory is still 305.1 MB. Free memory was 251.5 MB in the beginning and 204.5 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 3.6 GB. [2018-06-25 17:09:00,056 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 305.1 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 17:09:00,057 INFO ]: ChcToBoogie took 90.90 ms. Allocated memory is still 305.1 MB. Free memory was 250.5 MB in the beginning and 248.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 17:09:00,057 INFO ]: Boogie Preprocessor took 86.87 ms. Allocated memory is still 305.1 MB. Free memory was 248.5 MB in the beginning and 246.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 17:09:00,067 INFO ]: RCFGBuilder took 450.48 ms. Allocated memory is still 305.1 MB. Free memory was 246.5 MB in the beginning and 226.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. [2018-06-25 17:09:00,067 INFO ]: TraceAbstraction took 926.87 ms. Allocated memory is still 305.1 MB. Free memory was 226.5 MB in the beginning and 204.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-25 17:09:00,070 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 305.1 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 90.90 ms. Allocated memory is still 305.1 MB. Free memory was 250.5 MB in the beginning and 248.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 86.87 ms. Allocated memory is still 305.1 MB. Free memory was 248.5 MB in the beginning and 246.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 450.48 ms. Allocated memory is still 305.1 MB. Free memory was 246.5 MB in the beginning and 226.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 926.87 ms. Allocated memory is still 305.1 MB. Free memory was 226.5 MB in the beginning and 204.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call gotoProc(0, 0, 0, false, false, false, false, false, false, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, false, 0, 0, 0, 0, 0, false, false, false, 0, 0, 0, 0, 0, 0, 0, false, false, false); [L0] gotoSwitch := gotoSwitch_in; [L0] assume !hbv_False_1_Bool; [L0] hhv_state_0_Int, hhv_state_1_Int, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Int, hhv_state_9_Int, hhv_state_10_Int, hhv_state_11_Int, hhv_state_12_Int, hhv_state_13_Int, hhv_state_14_Int, hhv_state_15_Int, hhv_state_16_Int, hhv_state_17_Int, hhv_state_18_Int, hhv_state_19_Int, hhv_state_20_Int, hhv_state_21_Int, hhv_state_22_Int, hhv_state_23_Bool, hhv_state_24_Int, hhv_state_25_Int, hhv_state_26_Int, hhv_state_27_Int, hhv_state_28_Int, hhv_state_29_Bool, hhv_state_30_Bool, hhv_state_31_Bool, hhv_state_32_Int, hhv_state_33_Int, hhv_state_34_Int, hhv_state_35_Int, hhv_state_36_Int, hhv_state_37_Int, hhv_state_38_Int, hhv_state_39_Bool, hhv_state_40_Bool, hhv_state_41_Bool := hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Bool, hbv_False_5_Bool, hbv_False_6_Bool, hbv_False_7_Bool, hbv_False_8_Bool, hbv_False_9_Bool, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int, hbv_False_13_Int, hbv_False_14_Int, hbv_False_15_Int, hbv_False_16_Int, hbv_False_17_Int, hbv_False_18_Int, hbv_False_19_Int, hbv_False_20_Int, hbv_False_21_Int, hbv_False_22_Int, hbv_False_23_Int, hbv_False_24_Int, hbv_False_25_Bool, hbv_False_26_Int, hbv_False_27_Int, hbv_False_28_Int, hbv_False_29_Int, hbv_False_30_Int, hbv_False_31_Bool, hbv_False_32_Bool, hbv_False_1_Bool, hbv_False_33_Int, hbv_False_34_Int, hbv_False_35_Int, hbv_False_36_Int, hbv_False_37_Int, hbv_False_38_Int, hbv_False_39_Int, hbv_False_40_Bool, hbv_False_41_Bool, hbv_False_42_Bool; [L0] havoc hbv_False_4_Bool, hbv_False_31_Bool, hbv_False_20_Int, hbv_False_24_Int, hbv_False_35_Int, hbv_False_9_Bool, hbv_False_28_Int, hbv_False_39_Int, hbv_False_38_Int, hbv_False_5_Bool, hbv_False_26_Int, hbv_False_3_Int, hbv_False_14_Int, hbv_False_32_Bool, hbv_False_21_Int, hbv_False_12_Int, hbv_False_29_Int, hbv_False_11_Int, hbv_False_37_Int, hbv_False_6_Bool, hbv_False_13_Int, hbv_False_7_Bool, hbv_False_25_Bool, hbv_False_15_Int, hbv_False_34_Int, hbv_False_36_Int, hbv_False_23_Int, hbv_False_33_Int, hbv_False_17_Int, hbv_False_42_Bool, hbv_False_30_Int, hbv_False_10_Int, hbv_False_22_Int, hbv_False_1_Bool, hbv_False_18_Int, hbv_False_27_Int, hbv_False_16_Int, hbv_False_2_Int, hbv_False_41_Bool, hbv_False_40_Bool, hbv_False_19_Int, hbv_False_8_Bool; [L0] assume ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(hhv_state_4_Bool && !(hhv_state_33_Int == hhv_state_34_Int)) && hbv_state_11_Int == hhv_state_0_Int) && !((1 <= hbv_state_8_Int || hhv_state_39_Bool) && (!(1 <= hbv_state_8_Int) || !hhv_state_39_Bool))) && !((((!hbv_state_29_Bool || (hbv_state_14_Bool && hbv_state_28_Bool)) || (hbv_state_3_Bool && hbv_state_28_Bool)) || (hbv_state_3_Bool && hbv_state_14_Bool)) && (hbv_state_29_Bool || (((!hbv_state_28_Bool || !hbv_state_14_Bool) && (!hbv_state_14_Bool || !hbv_state_3_Bool)) && (!hbv_state_28_Bool || !hbv_state_3_Bool))))) && hhv_state_10_Int == hhv_state_35_Int) && hbv_state_18_Int == hbv_state_20_Int) && hhv_state_17_Int == hhv_state_28_Int) && !((hhv_state_23_Bool || (hhv_state_3_Bool && !(hhv_state_1_Int <= 0))) && ((hhv_state_1_Int <= 0 || !hhv_state_23_Bool) || !hhv_state_3_Bool))) && hhv_state_1_Int == hhv_state_0_Int) && hbv_state_23_Int == hbv_state_11_Int) && hhv_state_11_Int == hhv_state_25_Int) && hhv_state_15_Int == hhv_state_27_Int) && hhv_state_9_Int == hhv_state_24_Int) && !((hhv_state_40_Bool || 1 <= hbv_state_5_Int) && (!hhv_state_40_Bool || !(1 <= hbv_state_5_Int)))) && hbv_state_7_Int == hbv_state_32_Int) && !(!(hbv_state_12_Int == hbv_state_30_Int) && hbv_state_14_Bool)) && !((((hbv_state_25_Bool || !hbv_state_26_Bool) || !hbv_state_22_Bool) || hbv_state_27_Bool) && (!hbv_state_25_Bool || ((hbv_state_26_Bool && hbv_state_22_Bool) && !hbv_state_27_Bool)))) && hbv_state_21_Int == hbv_state_8_Int) && !(!(hbv_state_18_Int == hhv_state_35_Int) && !hhv_state_5_Bool)) && hhv_state_14_Int == hhv_state_21_Int) && hhv_state_15_Int == hhv_state_14_Int) && !(hhv_state_41_Bool && !(hbv_state_4_Int + -1 * hhv_state_34_Int == -1))) && !(!(hbv_state_8_Int + -1 * hhv_state_38_Int == 1) && hhv_state_39_Bool)) && hbv_state_8_Int == hbv_state_15_Int) && !(!(hhv_state_35_Int == hhv_state_36_Int) && hhv_state_5_Bool)) && !((!hhv_state_31_Bool || ((!hhv_state_30_Bool && hhv_state_23_Bool) && hhv_state_29_Bool)) && (((!hhv_state_29_Bool || hhv_state_31_Bool) || !hhv_state_23_Bool) || hhv_state_30_Bool))) && !(hhv_state_6_Bool && !(hhv_state_37_Int == hhv_state_38_Int))) && !(hhv_state_6_Bool && !(hhv_state_22_Int == hhv_state_21_Int))) && hbv_state_24_Int == hbv_state_5_Int) && !((hhv_state_7_Bool || (((!hhv_state_5_Bool || !hhv_state_6_Bool) && (!hhv_state_4_Bool || !hhv_state_5_Bool)) && (!hhv_state_4_Bool || !hhv_state_6_Bool))) && ((((hhv_state_4_Bool && hhv_state_5_Bool) || !hhv_state_7_Bool) || (hhv_state_6_Bool && hhv_state_5_Bool)) || (hhv_state_6_Bool && hhv_state_4_Bool)))) && !(!(hbv_state_5_Int + -1 * hhv_state_22_Int == -1) && hhv_state_39_Bool)) && !(!(hbv_state_4_Int == hhv_state_34_Int) && !hhv_state_41_Bool)) && !(!hhv_state_6_Bool && !(hbv_state_8_Int == hhv_state_37_Int))) && !(!hbv_state_3_Bool && !(hbv_state_12_Int == hbv_state_1_Int))) && !((!hhv_state_41_Bool || !(1 <= hbv_state_5_Int)) && (hhv_state_41_Bool || 1 <= hbv_state_5_Int))) && hhv_state_16_Int == hhv_state_37_Int) && !(!(hhv_state_18_Int == hhv_state_20_Int) && !hhv_state_5_Bool)) && !(((hbv_state_11_Int <= 0 || !hbv_state_22_Bool) || !hbv_state_16_Bool) && (hbv_state_22_Bool || (hbv_state_16_Bool && !(hbv_state_11_Int <= 0))))) && !(hhv_state_40_Bool && !(hbv_state_5_Int + -1 * hhv_state_19_Int == 1))) && hhv_state_17_Int == hhv_state_16_Int) && !(!hhv_state_40_Bool && !(hbv_state_18_Int == hhv_state_36_Int))) && hbv_state_4_Int == hbv_state_19_Int) && !(!hhv_state_39_Bool && !(hbv_state_5_Int == hhv_state_22_Int))) && hbv_state_6_Int == hbv_state_7_Int) && !(((hbv_state_16_Bool && hhv_state_7_Bool) || hhv_state_2_Bool) && ((!hhv_state_7_Bool || !hbv_state_16_Bool) || !hhv_state_2_Bool))) && hbv_state_7_Int == hhv_state_12_Int) && !((((!hbv_state_3_Bool || hbv_state_20_Int + -1 * hhv_state_25_Int == -1) || hhv_state_30_Bool) || !hhv_state_5_Bool) && (!hhv_state_30_Bool || ((hbv_state_3_Bool && !(hbv_state_20_Int + -1 * hhv_state_25_Int == -1)) && hhv_state_5_Bool)))) && hhv_state_9_Int == hhv_state_8_Int) && hhv_state_13_Int == hhv_state_26_Int) && !(!hhv_state_40_Bool && !(hbv_state_5_Int == hhv_state_19_Int))) && !(!(hhv_state_19_Int == hhv_state_18_Int) && hhv_state_5_Bool)) && !(!(hhv_state_18_Int == hhv_state_21_Int) && !hhv_state_6_Bool)) && hhv_state_13_Int == hhv_state_12_Int) && hbv_state_31_Int == hbv_state_18_Int) && !(!hbv_state_14_Bool && !(hbv_state_12_Int == hbv_state_13_Int))) && !(!(hbv_state_4_Int == hhv_state_33_Int) && !hhv_state_4_Bool)) && !((!hbv_state_17_Bool || !hbv_state_16_Bool) && (hbv_state_17_Bool || hbv_state_16_Bool))) && !(!(hbv_state_18_Int + -1 * hhv_state_36_Int == -1) && hhv_state_40_Bool)) && hbv_state_10_Int == hbv_state_4_Int) && hhv_state_8_Int == hhv_state_33_Int) && !((!hhv_state_3_Bool || !hhv_state_2_Bool) && (hhv_state_3_Bool || hhv_state_2_Bool))) && !(hhv_state_41_Bool && !(hbv_state_5_Int + -1 * hhv_state_20_Int == 1))) && !(!(hbv_state_8_Int == hhv_state_38_Int) && !hhv_state_39_Bool)) && hbv_state_5_Int == hbv_state_9_Int) && hhv_state_11_Int == hhv_state_10_Int) && !(hbv_state_3_Bool && !(hbv_state_1_Int == hbv_state_2_Int))) && !!hhv_state_29_Bool) && !(!hhv_state_41_Bool && !(hbv_state_5_Int == hhv_state_20_Int)); [L0] hhv_state_0_Int, hhv_state_1_Int, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Int, hhv_state_9_Int, hhv_state_10_Int, hhv_state_11_Int, hhv_state_12_Int, hhv_state_13_Int, hhv_state_14_Int, hhv_state_15_Int, hhv_state_16_Int, hhv_state_17_Int, hhv_state_18_Int, hhv_state_19_Int, hhv_state_20_Int, hhv_state_21_Int, hhv_state_22_Int, hhv_state_23_Bool, hhv_state_24_Int, hhv_state_25_Int, hhv_state_26_Int, hhv_state_27_Int, hhv_state_28_Int, hhv_state_29_Bool, hhv_state_30_Bool, hhv_state_31_Bool, hhv_state_32_Int, hhv_state_33_Int, hhv_state_34_Int, hhv_state_35_Int, hhv_state_36_Int, hhv_state_37_Int, hhv_state_38_Int, hhv_state_39_Bool, hhv_state_40_Bool, hhv_state_41_Bool := hbv_state_23_Int, hbv_state_11_Int, hbv_state_17_Bool, hbv_state_16_Bool, hbv_state_28_Bool, hbv_state_14_Bool, hbv_state_3_Bool, hbv_state_29_Bool, hbv_state_10_Int, hbv_state_4_Int, hbv_state_31_Int, hbv_state_18_Int, hbv_state_6_Int, hbv_state_7_Int, hbv_state_24_Int, hbv_state_5_Int, hbv_state_21_Int, hbv_state_8_Int, hbv_state_12_Int, hbv_state_30_Int, hbv_state_13_Int, hbv_state_1_Int, hbv_state_2_Int, hbv_state_22_Bool, hbv_state_19_Int, hbv_state_20_Int, hbv_state_32_Int, hbv_state_9_Int, hbv_state_15_Int, hbv_state_26_Bool, hbv_state_27_Bool, hbv_state_25_Bool, hbv_state_33_Int, hbv_state_34_Int, hbv_state_35_Int, hbv_state_36_Int, hbv_state_37_Int, hbv_state_38_Int, hbv_state_39_Int, hbv_state_40_Bool, hbv_state_41_Bool, hbv_state_42_Bool; [L0] havoc hbv_state_30_Int, hbv_state_7_Int, hbv_state_3_Bool, hbv_state_16_Bool, hbv_state_21_Int, hbv_state_42_Bool, hbv_state_34_Int, hbv_state_15_Int, hbv_state_17_Bool, hbv_state_25_Bool, hbv_state_26_Bool, hbv_state_22_Bool, hbv_state_19_Int, hbv_state_12_Int, hbv_state_36_Int, hbv_state_41_Bool, hbv_state_2_Int, hbv_state_8_Int, hbv_state_4_Int, hbv_state_37_Int, hbv_state_10_Int, hbv_state_33_Int, hbv_state_28_Bool, hbv_state_27_Bool, hbv_state_6_Int, hbv_state_1_Int, hbv_state_18_Int, hbv_state_38_Int, hbv_state_29_Bool, hbv_state_23_Int, hbv_state_39_Int, hbv_state_9_Int, hbv_state_35_Int, hbv_state_11_Int, hbv_state_5_Int, hbv_state_13_Int, hbv_state_40_Bool, hbv_state_31_Int, hbv_state_32_Int, hbv_state_14_Bool, hbv_state_20_Int, hbv_state_24_Int; [L0] assume (((((((((((((((((((((((((((((hhv_state_14_Int == hhv_state_15_Int && !(hhv_state_4_Bool && !(hhv_state_33_Int == hhv_state_34_Int))) && !!hhv_state_30_Bool) && hhv_state_13_Int == hhv_state_16_Int) && hhv_state_0_Int == hhv_state_32_Int) && hhv_state_16_Int == hhv_state_17_Int) && !(((hhv_state_1_Int <= 0 || !hhv_state_23_Bool) || !hhv_state_3_Bool) && (hhv_state_23_Bool || (hhv_state_3_Bool && !(hhv_state_1_Int <= 0))))) && !(!(hhv_state_18_Int == hhv_state_19_Int) && hhv_state_5_Bool)) && hhv_state_10_Int == hhv_state_11_Int) && !((!hhv_state_2_Bool || !hhv_state_3_Bool) && (hhv_state_2_Bool || hhv_state_3_Bool))) && hhv_state_17_Int == hhv_state_28_Int) && !((((!hhv_state_7_Bool || (hhv_state_5_Bool && hhv_state_4_Bool)) || (hhv_state_6_Bool && hhv_state_4_Bool)) || (hhv_state_6_Bool && hhv_state_5_Bool)) && (hhv_state_7_Bool || (((!hhv_state_4_Bool || !hhv_state_5_Bool) && (!hhv_state_5_Bool || !hhv_state_6_Bool)) && (!hhv_state_4_Bool || !hhv_state_6_Bool))))) && !(hhv_state_6_Bool && !(hhv_state_21_Int == hhv_state_22_Int))) && !((((hhv_state_31_Bool || !hhv_state_29_Bool) || !hhv_state_23_Bool) || hhv_state_30_Bool) && (!hhv_state_31_Bool || ((hhv_state_29_Bool && hhv_state_23_Bool) && !hhv_state_30_Bool)))) && hhv_state_11_Int == hhv_state_25_Int) && hhv_state_15_Int == hhv_state_27_Int) && !((hhv_state_29_Bool || !hhv_state_6_Bool) && (hhv_state_6_Bool || !hhv_state_29_Bool))) && hhv_state_9_Int == hhv_state_24_Int) && hhv_state_10_Int == 0) && hhv_state_13_Int == hhv_state_26_Int) && hhv_state_14_Int == 0) && !(!hhv_state_5_Bool && !(hhv_state_18_Int == hhv_state_20_Int))) && hhv_state_12_Int == hhv_state_13_Int) && hhv_state_12_Int == hhv_state_32_Int) && hhv_state_8_Int == 0) && hhv_state_8_Int == hhv_state_9_Int) && !(hhv_state_6_Bool && !(hhv_state_37_Int == hhv_state_38_Int))) && !(!hhv_state_6_Bool && !(hhv_state_18_Int == hhv_state_21_Int))) && hhv_state_0_Int == hhv_state_1_Int) && !((hhv_state_7_Bool || hhv_state_2_Bool) && (!hhv_state_7_Bool || !hhv_state_2_Bool))) && !(hhv_state_5_Bool && !(hhv_state_35_Int == hhv_state_36_Int)); [L0] RET call gotoProc(0, 0, 0, false, false, false, false, false, false, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, false, 0, 0, 0, 0, 0, false, false, false, 0, 0, 0, 0, 0, 0, 0, false, false, false); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/PRODUCER_CONSUMMER_luke_1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_17-09-00-108.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/PRODUCER_CONSUMMER_luke_1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_17-09-00-108.csv Received shutdown request...