java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/scripts/format/test/check_err/same_var.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 23:28:58,728 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 23:28:58,730 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 23:28:58,743 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 23:28:58,743 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 23:28:58,744 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 23:28:58,745 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 23:28:58,748 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 23:28:58,750 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 23:28:58,750 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 23:28:58,752 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 23:28:58,753 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 23:28:58,753 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 23:28:58,754 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 23:28:58,758 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 23:28:58,758 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 23:28:58,760 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 23:28:58,773 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 23:28:58,774 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 23:28:58,775 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 23:28:58,776 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 23:28:58,778 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 23:28:58,778 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 23:28:58,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 23:28:58,779 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 23:28:58,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 23:28:58,781 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 23:28:58,786 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 23:28:58,787 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 23:28:58,787 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 23:28:58,787 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 23:28:58,788 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 23:28:58,788 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 23:28:58,789 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 23:28:58,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 23:28:58,795 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 23:28:58,815 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 23:28:58,815 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 23:28:58,816 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 23:28:58,816 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 23:28:58,817 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 23:28:58,817 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 23:28:58,817 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 23:28:58,817 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 23:28:58,818 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 23:28:58,818 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 23:28:58,818 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 23:28:58,818 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 23:28:58,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 23:28:58,819 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 23:28:58,819 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 23:28:58,819 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 23:28:58,819 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 23:28:58,819 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 23:28:58,820 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 23:28:58,821 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 23:28:58,821 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 23:28:58,822 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 23:28:58,822 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 23:28:58,869 INFO ]: Repository-Root is: /tmp [2018-06-24 23:28:58,885 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 23:28:58,892 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 23:28:58,893 INFO ]: Initializing SmtParser... [2018-06-24 23:28:58,893 INFO ]: SmtParser initialized [2018-06-24 23:28:58,894 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/scripts/format/test/check_err/same_var.smt2 [2018-06-24 23:28:58,895 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 [2018-06-24 23:28:58,979 INFO ]: Executing SMT file /storage/chc-comp/scripts/format/test/check_err/same_var.smt2 unknown [2018-06-24 23:28:59,071 INFO ]: Succesfully executed SMT file /storage/chc-comp/scripts/format/test/check_err/same_var.smt2 [2018-06-24 23:28:59,075 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 23:28:59,081 INFO ]: Walking toolchain with 5 elements. [2018-06-24 23:28:59,082 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 23:28:59,082 INFO ]: Initializing ChcToBoogie... [2018-06-24 23:28:59,082 INFO ]: ChcToBoogie initialized [2018-06-24 23:28:59,085 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 11:28:59" (1/1) ... [2018-06-24 23:28:59,136 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 11:28:59 Unit [2018-06-24 23:28:59,136 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 23:28:59,137 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 23:28:59,137 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 23:28:59,137 INFO ]: Boogie Preprocessor initialized [2018-06-24 23:28:59,157 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 11:28:59" (1/1) ... [2018-06-24 23:28:59,158 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 11:28:59" (1/1) ... [2018-06-24 23:28:59,163 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 11:28:59" (1/1) ... [2018-06-24 23:28:59,163 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 11:28:59" (1/1) ... [2018-06-24 23:28:59,165 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 11:28:59" (1/1) ... [2018-06-24 23:28:59,170 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 11:28:59" (1/1) ... [2018-06-24 23:28:59,171 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 11:28:59" (1/1) ... [2018-06-24 23:28:59,172 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 23:28:59,172 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 23:28:59,172 INFO ]: Initializing RCFGBuilder... [2018-06-24 23:28:59,172 INFO ]: RCFGBuilder initialized [2018-06-24 23:28:59,174 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 11:28:59" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 23:28:59,187 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 23:28:59,187 INFO ]: Found specification of procedure gotoProc [2018-06-24 23:28:59,187 INFO ]: Found implementation of procedure gotoProc [2018-06-24 23:28:59,187 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 23:28:59,187 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 23:28:59,187 INFO ]: Found implementation of procedure Ultimate.START [2018-06-24 23:28:59,311 INFO ]: Using library mode [2018-06-24 23:28:59,311 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 11:28:59 BoogieIcfgContainer [2018-06-24 23:28:59,312 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 23:28:59,312 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 23:28:59,312 INFO ]: Initializing BlockEncodingV2... [2018-06-24 23:28:59,313 INFO ]: BlockEncodingV2 initialized [2018-06-24 23:28:59,313 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 11:28:59" (1/1) ... [2018-06-24 23:28:59,330 INFO ]: Initial Icfg 13 locations, 16 edges [2018-06-24 23:28:59,331 INFO ]: Using Remove infeasible edges [2018-06-24 23:28:59,332 INFO ]: Using Maximize final states [2018-06-24 23:28:59,332 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 23:28:59,332 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 23:28:59,335 INFO ]: Using Remove sink states [2018-06-24 23:28:59,336 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 23:28:59,336 INFO ]: Using Use SBE [2018-06-24 23:28:59,343 INFO ]: SBE split 0 edges [2018-06-24 23:28:59,347 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-24 23:28:59,348 INFO ]: 0 new accepting states [2018-06-24 23:28:59,395 INFO ]: Removed 9 edges and 3 locations by large block encoding [2018-06-24 23:28:59,397 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 23:28:59,398 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 23:28:59,398 INFO ]: 0 new accepting states [2018-06-24 23:28:59,398 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 23:28:59,399 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 23:28:59,400 INFO ]: Encoded RCFG 8 locations, 11 edges [2018-06-24 23:28:59,401 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 11:28:59 BasicIcfg [2018-06-24 23:28:59,401 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 23:28:59,402 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 23:28:59,402 INFO ]: Initializing TraceAbstraction... [2018-06-24 23:28:59,409 INFO ]: TraceAbstraction initialized [2018-06-24 23:28:59,409 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 11:28:59" (1/4) ... [2018-06-24 23:28:59,415 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654f5e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 11:28:59, skipping insertion in model container [2018-06-24 23:28:59,416 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 11:28:59" (2/4) ... [2018-06-24 23:28:59,416 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654f5e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 11:28:59, skipping insertion in model container [2018-06-24 23:28:59,416 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 11:28:59" (3/4) ... [2018-06-24 23:28:59,416 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654f5e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 11:28:59, skipping insertion in model container [2018-06-24 23:28:59,416 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 11:28:59" (4/4) ... [2018-06-24 23:28:59,418 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 23:28:59,432 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 23:28:59,479 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 23:28:59,555 INFO ]: Using default assertion order modulation [2018-06-24 23:28:59,556 INFO ]: Interprodecural is true [2018-06-24 23:28:59,556 INFO ]: Hoare is false [2018-06-24 23:28:59,556 INFO ]: Compute interpolants for FPandBP [2018-06-24 23:28:59,556 INFO ]: Backedges is TWOTRACK [2018-06-24 23:28:59,556 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 23:28:59,556 INFO ]: Difference is false [2018-06-24 23:28:59,556 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 23:28:59,556 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 23:28:59,567 INFO ]: Start isEmpty. Operand 8 states. [2018-06-24 23:28:59,576 INFO ]: Finished isEmpty. Found accepting run of length 5 [2018-06-24 23:28:59,576 INFO ]: Found error trace [2018-06-24 23:28:59,577 INFO ]: trace histogram [1, 1, 1, 1] [2018-06-24 23:28:59,577 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 23:28:59,581 INFO ]: Analyzing trace with hash 1092141, now seen corresponding path program 1 times [2018-06-24 23:28:59,586 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 23:28:59,586 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 23:28:59,621 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 23:28:59,621 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 23:28:59,621 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 23:28:59,680 INFO ]: Conjunction of SSA is sat [2018-06-24 23:28:59,682 INFO ]: Counterexample might be feasible [2018-06-24 23:28:59,698 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 23:28:59,700 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 11:28:59 BasicIcfg [2018-06-24 23:28:59,700 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 23:28:59,701 INFO ]: Toolchain (without parser) took 625.97 ms. Allocated memory is still 309.3 MB. Free memory was 265.7 MB in the beginning and 243.8 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 3.6 GB. [2018-06-24 23:28:59,704 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 23:28:59,704 INFO ]: ChcToBoogie took 54.78 ms. Allocated memory is still 309.3 MB. Free memory was 265.7 MB in the beginning and 263.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 23:28:59,705 INFO ]: Boogie Preprocessor took 34.86 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 261.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 23:28:59,706 INFO ]: RCFGBuilder took 139.42 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 255.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-24 23:28:59,708 INFO ]: BlockEncodingV2 took 89.01 ms. Allocated memory is still 309.3 MB. Free memory was 255.7 MB in the beginning and 251.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-24 23:28:59,709 INFO ]: TraceAbstraction took 298.72 ms. Allocated memory is still 309.3 MB. Free memory was 251.8 MB in the beginning and 243.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-24 23:28:59,720 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 13 locations, 16 edges - StatisticsResult: Encoded RCFG 8 locations, 11 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 54.78 ms. Allocated memory is still 309.3 MB. Free memory was 265.7 MB in the beginning and 263.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 34.86 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 261.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 139.42 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 255.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 89.01 ms. Allocated memory is still 309.3 MB. Free memory was 255.7 MB in the beginning and 251.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 298.72 ms. Allocated memory is still 309.3 MB. Free memory was 251.8 MB in the beginning and 243.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 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); [L0] RET call gotoProc(0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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/same_var.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_23-28-59-738.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/same_var.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_23-28-59-738.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/same_var.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_23-28-59-738.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/same_var.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_23-28-59-738.csv Received shutdown request...