java -Xss1g -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_No_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/llreve/break_single_safe.c-1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:59:21,851 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:59:21,854 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:59:21,864 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:59:21,864 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:59:21,865 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:59:21,866 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:59:21,867 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:59:21,869 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:59:21,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:59:21,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:59:21,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:59:21,872 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:59:21,874 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:59:21,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:59:21,875 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:59:21,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:59:21,881 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:59:21,883 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:59:21,884 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:59:21,885 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:59:21,887 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:59:21,887 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:59:21,887 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:59:21,893 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:59:21,894 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:59:21,895 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:59:21,896 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:59:21,897 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:59:21,897 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:59:21,898 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:59:21,898 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:59:21,898 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:59:21,899 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:59:21,900 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:59:21,900 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 10:59:21,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:59:21,914 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:59:21,914 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:59:21,914 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:59:21,915 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:59:21,915 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:59:21,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:59:21,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:59:21,916 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:59:21,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:59:21,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:59:21,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:59:21,917 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:59:21,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:59:21,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:59:21,917 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:59:21,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:59:21,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:59:21,918 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:59:21,920 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:59:21,920 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:59:21,967 INFO ]: Repository-Root is: /tmp [2018-06-22 10:59:21,986 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:59:21,992 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:59:21,994 INFO ]: Initializing SmtParser... [2018-06-22 10:59:21,994 INFO ]: SmtParser initialized [2018-06-22 10:59:21,995 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/llreve/break_single_safe.c-1.smt2 [2018-06-22 10:59:21,998 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 [2018-06-22 10:59:22,093 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/break_single_safe.c-1.smt2 unknown [2018-06-22 10:59:22,283 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/break_single_safe.c-1.smt2 [2018-06-22 10:59:22,288 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:59:22,295 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:59:22,295 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:59:22,295 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:59:22,295 INFO ]: ChcToBoogie initialized [2018-06-22 10:59:22,298 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:59:22" (1/1) ... [2018-06-22 10:59:22,343 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:59:22 Unit [2018-06-22 10:59:22,343 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:59:22,344 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:59:22,344 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:59:22,344 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:59:22,364 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:59:22" (1/1) ... [2018-06-22 10:59:22,364 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:59:22" (1/1) ... [2018-06-22 10:59:22,370 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:59:22" (1/1) ... [2018-06-22 10:59:22,370 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:59:22" (1/1) ... [2018-06-22 10:59:22,373 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:59:22" (1/1) ... [2018-06-22 10:59:22,375 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:59:22" (1/1) ... [2018-06-22 10:59:22,376 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:59:22" (1/1) ... [2018-06-22 10:59:22,378 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:59:22,378 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:59:22,378 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:59:22,378 INFO ]: RCFGBuilder initialized [2018-06-22 10:59:22,379 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:59:22" (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) [2018-06-22 10:59:22,393 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:59:22,393 INFO ]: Found specification of procedure False [2018-06-22 10:59:22,393 INFO ]: Found implementation of procedure False [2018-06-22 10:59:22,393 INFO ]: Specification and implementation of procedure inv_main24 given in one single declaration [2018-06-22 10:59:22,393 INFO ]: Found specification of procedure inv_main24 [2018-06-22 10:59:22,393 INFO ]: Found implementation of procedure inv_main24 [2018-06-22 10:59:22,393 INFO ]: Specification and implementation of procedure inv_main19 given in one single declaration [2018-06-22 10:59:22,393 INFO ]: Found specification of procedure inv_main19 [2018-06-22 10:59:22,393 INFO ]: Found implementation of procedure inv_main19 [2018-06-22 10:59:22,393 INFO ]: Specification and implementation of procedure inv_main7 given in one single declaration [2018-06-22 10:59:22,393 INFO ]: Found specification of procedure inv_main7 [2018-06-22 10:59:22,393 INFO ]: Found implementation of procedure inv_main7 [2018-06-22 10:59:22,393 INFO ]: Specification and implementation of procedure inv_main3 given in one single declaration [2018-06-22 10:59:22,393 INFO ]: Found specification of procedure inv_main3 [2018-06-22 10:59:22,393 INFO ]: Found implementation of procedure inv_main3 [2018-06-22 10:59:22,394 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:59:22,394 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:59:22,394 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 [2018-06-22 10:59:22,679 INFO ]: Using library mode [2018-06-22 10:59:22,679 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:59:22 BoogieIcfgContainer [2018-06-22 10:59:22,679 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:59:22,683 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:59:22,683 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:59:22,686 INFO ]: TraceAbstraction initialized [2018-06-22 10:59:22,686 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:59:22" (1/3) ... [2018-06-22 10:59:22,687 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e0e365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:59:22, skipping insertion in model container [2018-06-22 10:59:22,687 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:59:22" (2/3) ... [2018-06-22 10:59:22,687 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e0e365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:59:22, skipping insertion in model container [2018-06-22 10:59:22,687 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:59:22" (3/3) ... [2018-06-22 10:59:22,689 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:59:22,696 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:59:22,703 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:59:22,739 INFO ]: Using default assertion order modulation [2018-06-22 10:59:22,739 INFO ]: Interprodecural is true [2018-06-22 10:59:22,739 INFO ]: Hoare is false [2018-06-22 10:59:22,739 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:59:22,739 INFO ]: Backedges is TWOTRACK [2018-06-22 10:59:22,740 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:59:22,740 INFO ]: Difference is false [2018-06-22 10:59:22,740 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:59:22,740 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:59:22,755 INFO ]: Start isEmpty. Operand 27 states. [2018-06-22 10:59:22,773 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:59:22,773 INFO ]: Found error trace [2018-06-22 10:59:22,774 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:59:22,774 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:59:22,778 INFO ]: Analyzing trace with hash 1177472452, now seen corresponding path program 1 times [2018-06-22 10:59:22,779 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:59:22,780 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:59:22,811 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:59:22,811 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:59:22,811 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:59:22,846 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:59:23,010 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:59:23,012 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:59:23,012 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-22 10:59:23,014 INFO ]: Interpolant automaton has 7 states [2018-06-22 10:59:23,024 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 10:59:23,025 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-22 10:59:23,026 INFO ]: Start difference. First operand 27 states. Second operand 7 states. [2018-06-22 10:59:23,384 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:59:23,385 INFO ]: Finished difference Result 33 states and 41 transitions. [2018-06-22 10:59:23,386 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 10:59:23,387 INFO ]: Start accepts. Automaton has 7 states. Word has length 21 [2018-06-22 10:59:23,388 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:59:23,399 INFO ]: With dead ends: 33 [2018-06-22 10:59:23,399 INFO ]: Without dead ends: 31 [2018-06-22 10:59:23,402 INFO ]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-06-22 10:59:23,420 INFO ]: Start minimizeSevpa. Operand 31 states. [2018-06-22 10:59:23,459 INFO ]: Finished minimizeSevpa. Reduced states from 31 to 29. [2018-06-22 10:59:23,461 INFO ]: Start removeUnreachable. Operand 29 states. [2018-06-22 10:59:23,463 INFO ]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2018-06-22 10:59:23,464 INFO ]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 21 [2018-06-22 10:59:23,464 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:59:23,464 INFO ]: Abstraction has 29 states and 36 transitions. [2018-06-22 10:59:23,464 INFO ]: Interpolant automaton has 7 states. [2018-06-22 10:59:23,464 INFO ]: Start isEmpty. Operand 29 states and 36 transitions. [2018-06-22 10:59:23,468 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:59:23,468 INFO ]: Found error trace [2018-06-22 10:59:23,468 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:59:23,468 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:59:23,468 INFO ]: Analyzing trace with hash 305677030, now seen corresponding path program 1 times [2018-06-22 10:59:23,468 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:59:23,468 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:59:23,469 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:59:23,469 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:59:23,469 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:59:23,484 INFO ]: Conjunction of SSA is sat [2018-06-22 10:59:23,487 INFO ]: Counterexample might be feasible [2018-06-22 10:59:23,507 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:59:23 BoogieIcfgContainer [2018-06-22 10:59:23,507 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:59:23,509 INFO ]: Toolchain (without parser) took 1219.00 ms. Allocated memory is still 297.3 MB. Free memory was 253.8 MB in the beginning and 212.7 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:59:23,510 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 297.3 MB. Free memory is still 262.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:59:23,510 INFO ]: ChcToBoogie took 48.64 ms. Allocated memory is still 297.3 MB. Free memory was 253.8 MB in the beginning and 251.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:59:23,511 INFO ]: Boogie Preprocessor took 33.69 ms. Allocated memory is still 297.3 MB. Free memory was 251.8 MB in the beginning and 250.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:59:23,512 INFO ]: RCFGBuilder took 301.31 ms. Allocated memory is still 297.3 MB. Free memory was 249.7 MB in the beginning and 241.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:59:23,513 INFO ]: TraceAbstraction took 824.04 ms. Allocated memory is still 297.3 MB. Free memory was 241.8 MB in the beginning and 212.7 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:59:23,522 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 297.3 MB. Free memory is still 262.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 48.64 ms. Allocated memory is still 297.3 MB. Free memory was 253.8 MB in the beginning and 251.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 33.69 ms. Allocated memory is still 297.3 MB. Free memory was 251.8 MB in the beginning and 250.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 301.31 ms. Allocated memory is still 297.3 MB. Free memory was 249.7 MB in the beginning and 241.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 824.04 ms. Allocated memory is still 297.3 MB. Free memory was 241.8 MB in the beginning and 212.7 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 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 False(); [L0] assume !(hbv_False_1_Int == hbv_False_2_Int); [L0] CALL call inv_main24(hbv_False_3_Int, hbv_False_1_Int, hbv_False_2_Int); [L0] assume !((!(hhv_inv_main24_2_Int == hbv_inv_main24_1_Int) && !(hbv_inv_main24_2_Int == 0)) && 0 <= 10 + -1 * hhv_inv_main24_2_Int); [L0] CALL call inv_main19(hhv_inv_main24_0_Int, hhv_inv_main24_1_Int, hbv_inv_main24_1_Int, hhv_inv_main24_2_Int); [L0] assume (hhv_inv_main19_2_Int == hhv_inv_main19_0_Int && hhv_inv_main19_3_Int == 0) && !(!(hbv_inv_main19_1_Int == 0) && 0 <= 10 + -1 * hhv_inv_main19_1_Int); [L0] CALL call inv_main7(hhv_inv_main19_0_Int, hbv_inv_main19_2_Int, hhv_inv_main19_1_Int); [L0] assume ((!(hbv_inv_main7_2_Int == 0) && !(hbv_inv_main7_1_Int == hhv_inv_main7_1_Int)) && 0 <= 10 + -1 * hbv_inv_main7_1_Int) && hhv_inv_main7_2_Int == hbv_inv_main7_1_Int + 1; [L0] CALL call inv_main7(hhv_inv_main7_0_Int, hhv_inv_main7_1_Int, hbv_inv_main7_1_Int); [L0] assume hhv_inv_main7_2_Int == 0 && hhv_inv_main7_1_Int == hhv_inv_main7_0_Int; [L0] CALL call inv_main3(hhv_inv_main7_0_Int); [L0] assume true; [L0] RET call inv_main3(hhv_inv_main7_0_Int); [L0] RET call inv_main7(hhv_inv_main7_0_Int, hhv_inv_main7_1_Int, hbv_inv_main7_1_Int); [L0] RET call inv_main7(hhv_inv_main19_0_Int, hbv_inv_main19_2_Int, hhv_inv_main19_1_Int); [L0] RET call inv_main19(hhv_inv_main24_0_Int, hhv_inv_main24_1_Int, hbv_inv_main24_1_Int, hhv_inv_main24_2_Int); [L0] RET call inv_main24(hbv_False_3_Int, hbv_False_1_Int, hbv_False_2_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 27 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25 SDtfs, 3 SDslu, 104 SDs, 0 SdLazy, 42 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=1, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 780 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/break_single_safe.c-1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-59-23-538.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/break_single_safe.c-1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-59-23-538.csv Received shutdown request...