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/durationThm_2_e1_301_e7_64.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 15:01:58,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 15:01:58,650 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 15:01:58,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 15:01:58,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 15:01:58,666 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 15:01:58,667 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 15:01:58,671 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 15:01:58,672 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 15:01:58,674 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 15:01:58,675 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 15:01:58,675 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 15:01:58,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 15:01:58,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 15:01:58,682 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 15:01:58,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 15:01:58,695 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 15:01:58,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 15:01:58,699 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 15:01:58,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 15:01:58,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 15:01:58,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-25 15:01:58,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 15:01:58,713 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 15:01:58,714 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 15:01:58,714 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 15:01:58,719 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 15:01:58,719 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 15:01:58,720 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 15:01:58,743 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 15:01:58,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 15:01:58,744 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 15:01:58,744 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 15:01:58,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 15:01:58,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 15:01:58,745 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 15:01:58,745 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 15:01:58,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 15:01:58,747 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 15:01:58,747 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 15:01:58,747 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 15:01:58,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 15:01:58,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 15:01:58,748 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 15:01:58,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 15:01:58,748 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 15:01:58,748 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 15:01:58,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 15:01:58,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 15:01:58,749 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 15:01:58,752 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 15:01:58,752 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 15:01:58,796 INFO ]: Repository-Root is: /tmp [2018-06-25 15:01:58,817 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 15:01:58,825 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 15:01:58,827 INFO ]: Initializing SmtParser... [2018-06-25 15:01:58,827 INFO ]: SmtParser initialized [2018-06-25 15:01:58,828 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/durationThm_2_e1_301_e7_64.smt2 [2018-06-25 15:01:58,829 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 15:01:58,920 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/durationThm_2_e1_301_e7_64.smt2 unknown [2018-06-25 15:01:59,185 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/durationThm_2_e1_301_e7_64.smt2 [2018-06-25 15:01:59,189 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 15:01:59,200 INFO ]: Walking toolchain with 4 elements. [2018-06-25 15:01:59,201 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 15:01:59,201 INFO ]: Initializing ChcToBoogie... [2018-06-25 15:01:59,201 INFO ]: ChcToBoogie initialized [2018-06-25 15:01:59,204 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 03:01:59" (1/1) ... [2018-06-25 15:01:59,266 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:01:59 Unit [2018-06-25 15:01:59,266 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 15:01:59,267 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 15:01:59,267 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 15:01:59,267 INFO ]: Boogie Preprocessor initialized [2018-06-25 15:01:59,281 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:01:59" (1/1) ... [2018-06-25 15:01:59,281 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:01:59" (1/1) ... [2018-06-25 15:01:59,286 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:01:59" (1/1) ... [2018-06-25 15:01:59,286 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:01:59" (1/1) ... [2018-06-25 15:01:59,290 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:01:59" (1/1) ... [2018-06-25 15:01:59,291 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:01:59" (1/1) ... [2018-06-25 15:01:59,292 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:01:59" (1/1) ... [2018-06-25 15:01:59,294 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 15:01:59,295 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 15:01:59,295 INFO ]: Initializing RCFGBuilder... [2018-06-25 15:01:59,295 INFO ]: RCFGBuilder initialized [2018-06-25 15:01:59,295 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:01:59" (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 15:01:59,306 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 15:01:59,306 INFO ]: Found specification of procedure gotoProc [2018-06-25 15:01:59,306 INFO ]: Found implementation of procedure gotoProc [2018-06-25 15:01:59,306 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 15:01:59,306 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 15:01:59,306 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 15:01:59,539 INFO ]: Using library mode [2018-06-25 15:01:59,539 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 03:01:59 BoogieIcfgContainer [2018-06-25 15:01:59,539 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 15:01:59,550 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 15:01:59,550 INFO ]: Initializing TraceAbstraction... [2018-06-25 15:01:59,552 INFO ]: TraceAbstraction initialized [2018-06-25 15:01:59,553 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 03:01:59" (1/3) ... [2018-06-25 15:01:59,553 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4db0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 03:01:59, skipping insertion in model container [2018-06-25 15:01:59,553 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:01:59" (2/3) ... [2018-06-25 15:01:59,554 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4db0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 03:01:59, skipping insertion in model container [2018-06-25 15:01:59,554 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 03:01:59" (3/3) ... [2018-06-25 15:01:59,555 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 15:01:59,584 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 15:01:59,592 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 15:01:59,654 INFO ]: Using default assertion order modulation [2018-06-25 15:01:59,655 INFO ]: Interprodecural is true [2018-06-25 15:01:59,655 INFO ]: Hoare is false [2018-06-25 15:01:59,655 INFO ]: Compute interpolants for FPandBP [2018-06-25 15:01:59,655 INFO ]: Backedges is TWOTRACK [2018-06-25 15:01:59,655 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 15:01:59,655 INFO ]: Difference is false [2018-06-25 15:01:59,655 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 15:01:59,655 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 15:01:59,672 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 15:01:59,687 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 15:01:59,687 INFO ]: Found error trace [2018-06-25 15:01:59,690 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 15:01:59,690 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 15:01:59,695 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-25 15:01:59,698 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 15:01:59,698 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 15:01:59,736 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:01:59,736 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 15:01:59,736 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:01:59,793 INFO ]: Conjunction of SSA is unsat [2018-06-25 15:01:59,924 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 15:01:59,927 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 15:01:59,927 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 15:01:59,929 INFO ]: Interpolant automaton has 3 states [2018-06-25 15:01:59,941 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 15:01:59,942 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 15:01:59,944 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 15:02:00,007 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 15:02:00,008 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 15:02:00,008 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 15:02:00,009 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 15:02:00,010 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 15:02:00,016 INFO ]: With dead ends: 9 [2018-06-25 15:02:00,016 INFO ]: Without dead ends: 9 [2018-06-25 15:02:00,018 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 15:02:00,032 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 15:02:00,046 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 15:02:00,048 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 15:02:00,048 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 15:02:00,049 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 15:02:00,049 INFO ]: Finished accepts. word is rejected. [2018-06-25 15:02:00,049 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 15:02:00,049 INFO ]: Interpolant automaton has 3 states. [2018-06-25 15:02:00,049 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 15:02:00,050 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 15:02:00,050 INFO ]: Found error trace [2018-06-25 15:02:00,050 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 15:02:00,050 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 15:02:00,050 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-25 15:02:00,050 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 15:02:00,050 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 15:02:00,051 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:02:00,051 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 15:02:00,051 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:02:00,118 INFO ]: Conjunction of SSA is sat [2018-06-25 15:02:00,133 INFO ]: Counterexample might be feasible [2018-06-25 15:02:00,153 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 03:02:00 BoogieIcfgContainer [2018-06-25 15:02:00,153 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 15:02:00,154 INFO ]: Toolchain (without parser) took 963.81 ms. Allocated memory is still 308.8 MB. Free memory was 261.2 MB in the beginning and 225.2 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:02:00,155 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 15:02:00,155 INFO ]: ChcToBoogie took 65.88 ms. Allocated memory is still 308.8 MB. Free memory was 261.2 MB in the beginning and 259.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:02:00,156 INFO ]: Boogie Preprocessor took 27.39 ms. Allocated memory is still 308.8 MB. Free memory was 259.2 MB in the beginning and 257.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:02:00,157 INFO ]: RCFGBuilder took 244.59 ms. Allocated memory is still 308.8 MB. Free memory was 257.2 MB in the beginning and 245.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:02:00,157 INFO ]: TraceAbstraction took 603.28 ms. Allocated memory is still 308.8 MB. Free memory was 245.2 MB in the beginning and 225.2 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:02:00,168 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 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 65.88 ms. Allocated memory is still 308.8 MB. Free memory was 261.2 MB in the beginning and 259.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 27.39 ms. Allocated memory is still 308.8 MB. Free memory was 259.2 MB in the beginning and 257.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 244.59 ms. Allocated memory is still 308.8 MB. Free memory was 257.2 MB in the beginning and 245.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 603.28 ms. Allocated memory is still 308.8 MB. Free memory was 245.2 MB in the beginning and 225.2 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 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, 0, 0, 0, 0, false, 0, 0, false, false, false, 0, false, false, 0, 0, 0); [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_Int, hhv_state_5_Int, hhv_state_6_Int, hhv_state_7_Int, hhv_state_8_Bool, hhv_state_9_Int, hhv_state_10_Int, hhv_state_11_Bool, hhv_state_12_Bool, hhv_state_13_Bool, hhv_state_14_Int, hhv_state_15_Bool, hhv_state_16_Bool, hhv_state_17_Int, hhv_state_18_Int, hhv_state_19_Int := hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Bool, hbv_False_5_Bool, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Bool, hbv_False_11_Int, hbv_False_12_Int, hbv_False_13_Bool, hbv_False_14_Bool, hbv_False_1_Bool, hbv_False_15_Int, hbv_False_16_Bool, hbv_False_17_Bool, hbv_False_18_Int, hbv_False_19_Int, hbv_False_20_Int; [L0] havoc hbv_False_1_Bool, hbv_False_7_Int, hbv_False_13_Bool, hbv_False_20_Int, hbv_False_3_Int, hbv_False_4_Bool, hbv_False_11_Int, hbv_False_14_Bool, hbv_False_19_Int, hbv_False_5_Bool, hbv_False_8_Int, hbv_False_15_Int, hbv_False_18_Int, hbv_False_2_Int, hbv_False_12_Int, hbv_False_16_Bool, hbv_False_17_Bool, hbv_False_9_Int, hbv_False_10_Bool, hbv_False_6_Int; [L0] assume (((((((((((((((((((((((!(!(hbv_state_14_Int + -1 * hhv_state_17_Int == -2) && hbv_state_4_Bool) && hbv_state_16_Int == hbv_state_1_Int) && !((((hhv_state_8_Bool && (!hhv_state_12_Bool || !hhv_state_11_Bool)) && hhv_state_10_Int <= hhv_state_1_Int) || !hhv_state_13_Bool) && (((!(hhv_state_10_Int <= hhv_state_1_Int) || hhv_state_13_Bool) || !hhv_state_8_Bool) || (hhv_state_11_Bool && hhv_state_12_Bool)))) && hbv_state_5_Int == hhv_state_9_Int) && hhv_state_7_Int == hhv_state_6_Int) && !((hbv_state_4_Bool && !(hbv_state_3_Int + -1 * hhv_state_19_Int == -2)) && hbv_state_2_Bool)) && !((((hbv_state_8_Bool || !hbv_state_9_Bool) || (hbv_state_6_Bool && hbv_state_7_Bool)) || !(hbv_state_5_Int <= hbv_state_3_Int)) && (((hbv_state_9_Bool && (!hbv_state_7_Bool || !hbv_state_6_Bool)) && hbv_state_5_Int <= hbv_state_3_Int) || !hbv_state_8_Bool))) && !(((hhv_state_2_Bool || hbv_state_11_Bool) || ((1 <= hhv_state_10_Int && (hhv_state_11_Bool || !(hhv_state_10_Int <= hhv_state_5_Int))) && (hhv_state_12_Bool || !(hhv_state_10_Int <= hhv_state_7_Int)))) && (!hhv_state_2_Bool || (((!(1 <= hhv_state_10_Int) || (!hhv_state_12_Bool && hhv_state_10_Int <= hhv_state_7_Int)) || (hhv_state_10_Int <= hhv_state_5_Int && !hhv_state_11_Bool)) && !hbv_state_11_Bool)))) && !((!hbv_state_15_Bool || !hbv_state_11_Bool) && (hbv_state_15_Bool || hbv_state_11_Bool))) && !(!(hhv_state_18_Int == 0) && !hbv_state_2_Bool)) && hbv_state_10_Int == hbv_state_5_Int) && hhv_state_1_Int == hhv_state_0_Int) && hhv_state_5_Int == hhv_state_4_Int) && !((!hbv_state_4_Bool || !hbv_state_2_Bool) && !(hhv_state_19_Int == 0))) && hhv_state_4_Int == hhv_state_18_Int) && hbv_state_13_Int == hbv_state_14_Int) && !((!hhv_state_8_Bool || !hhv_state_3_Bool) && (hhv_state_8_Bool || hhv_state_3_Bool))) && hbv_state_12_Int == hbv_state_3_Int) && hhv_state_6_Int == hhv_state_17_Int) && !(!hbv_state_4_Bool && !(hhv_state_17_Int == 0))) && hhv_state_0_Int == hhv_state_19_Int) && hhv_state_10_Int == hhv_state_9_Int) && !((!hhv_state_3_Bool || !hhv_state_2_Bool) && (hhv_state_3_Bool || hhv_state_2_Bool))) && !((hbv_state_9_Bool || hbv_state_11_Bool) && (!hbv_state_9_Bool || !hbv_state_11_Bool))) && !(!(hbv_state_1_Int + -1 * hhv_state_18_Int == -2) && hbv_state_2_Bool); [L0] hhv_state_0_Int, hhv_state_1_Int, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Int, hhv_state_5_Int, hhv_state_6_Int, hhv_state_7_Int, hhv_state_8_Bool, hhv_state_9_Int, hhv_state_10_Int, hhv_state_11_Bool, hhv_state_12_Bool, hhv_state_13_Bool, hhv_state_14_Int, hhv_state_15_Bool, hhv_state_16_Bool, hhv_state_17_Int, hhv_state_18_Int, hhv_state_19_Int := hbv_state_12_Int, hbv_state_3_Int, hbv_state_15_Bool, hbv_state_11_Bool, hbv_state_16_Int, hbv_state_1_Int, hbv_state_13_Int, hbv_state_14_Int, hbv_state_9_Bool, hbv_state_10_Int, hbv_state_5_Int, hbv_state_6_Bool, hbv_state_7_Bool, hbv_state_8_Bool, hbv_state_17_Int, hbv_state_2_Bool, hbv_state_4_Bool, hbv_state_18_Int, hbv_state_19_Int, hbv_state_20_Int; [L0] havoc hbv_state_8_Bool, hbv_state_20_Int, hbv_state_1_Int, hbv_state_12_Int, hbv_state_15_Bool, hbv_state_9_Bool, hbv_state_10_Int, hbv_state_7_Bool, hbv_state_2_Bool, hbv_state_4_Bool, hbv_state_16_Int, hbv_state_18_Int, hbv_state_19_Int, hbv_state_13_Int, hbv_state_5_Int, hbv_state_6_Bool, hbv_state_14_Int, hbv_state_3_Int, hbv_state_11_Bool, hbv_state_17_Int; [L0] assume ((((((((((!((((1 <= hhv_state_10_Int && (!(hhv_state_10_Int <= hhv_state_7_Int) || hhv_state_12_Bool)) && (!(hhv_state_10_Int <= hhv_state_5_Int) || hhv_state_11_Bool)) || hhv_state_2_Bool) && ((((hhv_state_10_Int <= hhv_state_5_Int && !hhv_state_11_Bool) || !hhv_state_2_Bool) || !(1 <= hhv_state_10_Int)) || (!hhv_state_12_Bool && hhv_state_10_Int <= hhv_state_7_Int))) && hhv_state_9_Int == hhv_state_14_Int) && hhv_state_4_Int == 0) && !((((hhv_state_13_Bool || !hhv_state_8_Bool) || (hhv_state_11_Bool && hhv_state_12_Bool)) || !(hhv_state_10_Int <= hhv_state_1_Int)) && (((hhv_state_8_Bool && (!hhv_state_12_Bool || !hhv_state_11_Bool)) && hhv_state_10_Int <= hhv_state_1_Int) || !hhv_state_13_Bool))) && hhv_state_6_Int == 0) && hhv_state_0_Int == hhv_state_1_Int) && hhv_state_4_Int == hhv_state_5_Int) && hhv_state_9_Int == hhv_state_10_Int) && !((!hhv_state_2_Bool || !hhv_state_3_Bool) && (hhv_state_2_Bool || hhv_state_3_Bool))) && hhv_state_0_Int == 0) && !((hhv_state_8_Bool || hhv_state_3_Bool) && (!hhv_state_8_Bool || !hhv_state_3_Bool))) && hhv_state_6_Int == hhv_state_7_Int; [L0] RET call gotoProc(0, 0, 0, false, false, 0, 0, 0, 0, false, 0, 0, false, false, false, 0, false, false, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s 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/durationThm_2_e1_301_e7_64.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_15-02-00-185.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/durationThm_2_e1_301_e7_64.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_15-02-00-185.csv Received shutdown request...