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/vmt-chc-benchmarks/lustre/car_4_e3_556.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 15:53:39,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 15:53:39,085 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 15:53:39,097 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 15:53:39,098 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 15:53:39,099 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 15:53:39,100 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 15:53:39,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 15:53:39,105 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 15:53:39,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 15:53:39,107 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 15:53:39,107 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 15:53:39,108 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 15:53:39,109 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 15:53:39,112 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 15:53:39,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 15:53:39,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 15:53:39,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 15:53:39,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 15:53:39,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 15:53:39,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 15:53:39,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-22 15:53:39,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 15:53:39,142 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 15:53:39,143 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 15:53:39,143 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 15:53:39,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 15:53:39,144 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 15:53:39,145 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 15:53:39,167 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 15:53:39,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 15:53:39,168 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 15:53:39,168 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 15:53:39,169 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 15:53:39,169 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 15:53:39,170 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 15:53:39,170 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 15:53:39,170 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 15:53:39,170 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 15:53:39,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 15:53:39,171 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 15:53:39,173 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 15:53:39,173 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 15:53:39,173 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 15:53:39,174 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 15:53:39,174 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 15:53:39,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 15:53:39,174 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 15:53:39,175 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 15:53:39,175 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 15:53:39,223 INFO ]: Repository-Root is: /tmp [2018-06-22 15:53:39,235 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 15:53:39,242 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 15:53:39,243 INFO ]: Initializing SmtParser... [2018-06-22 15:53:39,243 INFO ]: SmtParser initialized [2018-06-22 15:53:39,244 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/car_4_e3_556.smt2 [2018-06-22 15:53:39,245 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 15:53:39,335 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/car_4_e3_556.smt2 unknown [2018-06-22 15:53:39,688 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/car_4_e3_556.smt2 [2018-06-22 15:53:39,693 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 15:53:39,698 INFO ]: Walking toolchain with 4 elements. [2018-06-22 15:53:39,699 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 15:53:39,699 INFO ]: Initializing ChcToBoogie... [2018-06-22 15:53:39,699 INFO ]: ChcToBoogie initialized [2018-06-22 15:53:39,702 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:53:39" (1/1) ... [2018-06-22 15:53:39,752 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:39 Unit [2018-06-22 15:53:39,752 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 15:53:39,753 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 15:53:39,753 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 15:53:39,753 INFO ]: Boogie Preprocessor initialized [2018-06-22 15:53:39,772 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:39" (1/1) ... [2018-06-22 15:53:39,772 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:39" (1/1) ... [2018-06-22 15:53:39,780 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:39" (1/1) ... [2018-06-22 15:53:39,780 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:39" (1/1) ... [2018-06-22 15:53:39,784 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:39" (1/1) ... [2018-06-22 15:53:39,785 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:39" (1/1) ... [2018-06-22 15:53:39,787 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:39" (1/1) ... [2018-06-22 15:53:39,789 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 15:53:39,790 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 15:53:39,790 INFO ]: Initializing RCFGBuilder... [2018-06-22 15:53:39,790 INFO ]: RCFGBuilder initialized [2018-06-22 15:53:39,790 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:39" (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 15:53:39,804 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 15:53:39,805 INFO ]: Found specification of procedure False [2018-06-22 15:53:39,805 INFO ]: Found implementation of procedure False [2018-06-22 15:53:39,805 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 15:53:39,805 INFO ]: Found specification of procedure state [2018-06-22 15:53:39,805 INFO ]: Found implementation of procedure state [2018-06-22 15:53:39,805 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 15:53:39,805 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 15:53:39,805 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 15:53:40,099 INFO ]: Using library mode [2018-06-22 15:53:40,100 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:53:40 BoogieIcfgContainer [2018-06-22 15:53:40,100 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 15:53:40,101 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 15:53:40,101 INFO ]: Initializing TraceAbstraction... [2018-06-22 15:53:40,104 INFO ]: TraceAbstraction initialized [2018-06-22 15:53:40,104 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:53:39" (1/3) ... [2018-06-22 15:53:40,105 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474389a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 03:53:40, skipping insertion in model container [2018-06-22 15:53:40,105 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:39" (2/3) ... [2018-06-22 15:53:40,105 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474389a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:53:40, skipping insertion in model container [2018-06-22 15:53:40,105 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:53:40" (3/3) ... [2018-06-22 15:53:40,107 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 15:53:40,116 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 15:53:40,124 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 15:53:40,167 INFO ]: Using default assertion order modulation [2018-06-22 15:53:40,167 INFO ]: Interprodecural is true [2018-06-22 15:53:40,167 INFO ]: Hoare is false [2018-06-22 15:53:40,167 INFO ]: Compute interpolants for FPandBP [2018-06-22 15:53:40,167 INFO ]: Backedges is TWOTRACK [2018-06-22 15:53:40,167 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 15:53:40,167 INFO ]: Difference is false [2018-06-22 15:53:40,167 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 15:53:40,167 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 15:53:40,180 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 15:53:40,193 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 15:53:40,193 INFO ]: Found error trace [2018-06-22 15:53:40,194 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 15:53:40,194 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 15:53:40,199 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 15:53:40,201 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 15:53:40,201 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 15:53:40,235 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 15:53:40,235 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 15:53:40,235 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 15:53:40,314 INFO ]: Conjunction of SSA is unsat [2018-06-22 15:53:40,529 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 15:53:40,531 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 15:53:40,531 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 15:53:40,532 INFO ]: Interpolant automaton has 4 states [2018-06-22 15:53:40,542 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 15:53:40,543 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 15:53:40,545 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 15:53:40,635 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 15:53:40,635 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 15:53:40,636 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 15:53:40,637 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 15:53:40,637 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 15:53:40,646 INFO ]: With dead ends: 13 [2018-06-22 15:53:40,646 INFO ]: Without dead ends: 13 [2018-06-22 15:53:40,648 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 15:53:40,661 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 15:53:40,687 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 15:53:40,687 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 15:53:40,688 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 15:53:40,689 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 15:53:40,689 INFO ]: Finished accepts. word is rejected. [2018-06-22 15:53:40,689 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 15:53:40,689 INFO ]: Interpolant automaton has 4 states. [2018-06-22 15:53:40,689 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 15:53:40,690 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 15:53:40,690 INFO ]: Found error trace [2018-06-22 15:53:40,690 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 15:53:40,690 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 15:53:40,690 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 15:53:40,690 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 15:53:40,690 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 15:53:40,691 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 15:53:40,691 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 15:53:40,691 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 15:53:40,771 INFO ]: Conjunction of SSA is sat [2018-06-22 15:53:40,777 INFO ]: Counterexample might be feasible [2018-06-22 15:53:40,797 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:53:40 BoogieIcfgContainer [2018-06-22 15:53:40,797 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 15:53:40,798 INFO ]: Toolchain (without parser) took 1104.77 ms. Allocated memory is still 308.8 MB. Free memory was 257.4 MB in the beginning and 211.5 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 3.6 GB. [2018-06-22 15:53:40,799 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 273.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 15:53:40,800 INFO ]: ChcToBoogie took 54.12 ms. Allocated memory is still 308.8 MB. Free memory was 257.4 MB in the beginning and 255.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 15:53:40,800 INFO ]: Boogie Preprocessor took 36.21 ms. Allocated memory is still 308.8 MB. Free memory was 255.4 MB in the beginning and 253.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 15:53:40,804 INFO ]: RCFGBuilder took 310.31 ms. Allocated memory is still 308.8 MB. Free memory was 253.4 MB in the beginning and 237.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-22 15:53:40,805 INFO ]: TraceAbstraction took 696.17 ms. Allocated memory is still 308.8 MB. Free memory was 237.4 MB in the beginning and 211.5 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 3.6 GB. [2018-06-22 15:53:40,808 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 308.8 MB. Free memory is still 273.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 54.12 ms. Allocated memory is still 308.8 MB. Free memory was 257.4 MB in the beginning and 255.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 36.21 ms. Allocated memory is still 308.8 MB. Free memory was 255.4 MB in the beginning and 253.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 310.31 ms. Allocated memory is still 308.8 MB. Free memory was 253.4 MB in the beginning and 237.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 696.17 ms. Allocated memory is still 308.8 MB. Free memory was 237.4 MB in the beginning and 211.5 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 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_Bool; [L0] CALL call state(hbv_False_2_Bool, hbv_False_3_Bool, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Bool, hbv_False_8_Bool, hbv_False_9_Bool, hbv_False_10_Bool, hbv_False_11_Bool, hbv_False_12_Bool, hbv_False_13_Bool, hbv_False_14_Bool, hbv_False_15_Bool, hbv_False_16_Int, hbv_False_17_Int, hbv_False_18_Int, hbv_False_19_Int, hbv_False_20_Int, hbv_False_21_Bool, hbv_False_22_Bool, hbv_False_23_Bool, hbv_False_24_Bool, hbv_False_25_Bool, hbv_False_26_Bool, hbv_False_27_Bool, hbv_False_28_Int, hbv_False_29_Int, hbv_False_30_Int, hbv_False_31_Bool, hbv_False_32_Bool, hbv_False_33_Bool, hbv_False_1_Bool, hbv_False_34_Int, hbv_False_35_Int); [L0] assume (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!((!hbv_state_7_Bool || !hbv_state_27_Bool) && (hbv_state_7_Bool || hbv_state_27_Bool)) && !((!hbv_state_10_Bool || !hbv_state_11_Bool) && (hbv_state_11_Bool || hbv_state_10_Bool))) && hbv_state_6_Int == hbv_state_13_Int) && !((!hbv_state_30_Bool || !hbv_state_10_Bool) && (hbv_state_30_Bool || hbv_state_10_Bool))) && !((4 <= hbv_state_9_Int || hbv_state_1_Bool) && (!(4 <= hbv_state_9_Int) || !hbv_state_1_Bool))) && hhv_state_18_Int == hhv_state_28_Int) && hhv_state_14_Int == hhv_state_3_Int) && !(((0 <= hhv_state_27_Int || hhv_state_32_Bool) || !hhv_state_22_Bool) && (!hhv_state_32_Bool || (hhv_state_22_Bool && !(0 <= hhv_state_27_Int))))) && !((!hhv_state_24_Bool || !hhv_state_12_Bool) && (hhv_state_24_Bool || hhv_state_12_Bool))) && !((hhv_state_13_Bool || hhv_state_25_Bool) && (!hhv_state_25_Bool || !hhv_state_13_Bool))) && !(!(hbv_state_15_Int == 0) && (!hbv_state_7_Bool || hbv_state_10_Bool))) && !((!hhv_state_20_Bool || !(4 <= hhv_state_16_Int)) && (4 <= hhv_state_16_Int || hhv_state_20_Bool))) && !((hhv_state_6_Bool || hhv_state_11_Bool) && (!hhv_state_11_Bool || !hhv_state_6_Bool))) && !((!hhv_state_11_Bool || !hhv_state_23_Bool) && (hhv_state_23_Bool || hhv_state_11_Bool))) && !(!(hbv_state_6_Int == hhv_state_15_Int) && (!hhv_state_11_Bool || !hhv_state_13_Bool))) && !(((!hhv_state_6_Bool || !hhv_state_10_Bool) || hhv_state_9_Bool) && (hhv_state_6_Bool || (!hhv_state_9_Bool && hhv_state_10_Bool)))) && !((!hhv_state_22_Bool || !hhv_state_8_Bool) && (hhv_state_22_Bool || hhv_state_8_Bool))) && !(!(hbv_state_9_Int == hhv_state_34_Int) && !hhv_state_12_Bool)) && !((hbv_state_7_Bool && !(hbv_state_15_Int == hbv_state_31_Int)) && !hbv_state_10_Bool)) && !((hbv_state_14_Bool || hbv_state_16_Bool) && (!hbv_state_16_Bool || !hbv_state_14_Bool))) && hhv_state_4_Int == hhv_state_33_Int) && !(((!hbv_state_23_Bool || !hbv_state_24_Bool) || hbv_state_25_Bool) && (!hbv_state_25_Bool || (hbv_state_24_Bool && hbv_state_23_Bool)))) && !((!hbv_state_18_Bool || !hbv_state_19_Bool) && (hbv_state_18_Bool || hbv_state_19_Bool))) && !((hbv_state_7_Bool || hbv_state_8_Bool) && (!hbv_state_7_Bool || !hbv_state_8_Bool))) && !((!hbv_state_20_Bool || !hbv_state_21_Bool) && (hbv_state_20_Bool || hbv_state_21_Bool))) && !((!hbv_state_1_Bool || !hbv_state_2_Bool) && (hbv_state_2_Bool || hbv_state_1_Bool))) && !((hhv_state_29_Bool || hhv_state_19_Bool) && (!hhv_state_29_Bool || !hhv_state_19_Bool))) && !((hbv_state_14_Bool || 3 <= hbv_state_6_Int) && (!(3 <= hbv_state_6_Int) || !hbv_state_14_Bool))) && !((hhv_state_13_Bool || hhv_state_7_Bool) && (!hhv_state_7_Bool || !hhv_state_13_Bool))) && hbv_state_32_Int == hbv_state_5_Int) && hhv_state_17_Int == hhv_state_27_Int) && !((!(hhv_state_14_Int == hhv_state_15_Int) && hhv_state_13_Bool) && !hhv_state_12_Bool)) && hhv_state_2_Int == hhv_state_34_Int) && hbv_state_17_Int == hbv_state_9_Int) && !((!hhv_state_8_Bool || !hhv_state_0_Bool) && (hhv_state_8_Bool || hhv_state_0_Bool))) && !((!hhv_state_11_Bool || !hhv_state_13_Bool) && !(hbv_state_5_Int == hhv_state_33_Int))) && !((hhv_state_13_Bool && !(hbv_state_5_Int + -1 * hhv_state_33_Int == -1)) && hhv_state_11_Bool)) && !((!hbv_state_3_Bool || !hbv_state_4_Bool) && (hbv_state_4_Bool || hbv_state_3_Bool))) && !(((hbv_state_28_Bool || 0 <= hbv_state_13_Int) || !hbv_state_22_Bool) && (!hbv_state_28_Bool || (hbv_state_22_Bool && !(0 <= hbv_state_13_Int))))) && !(((!hhv_state_10_Bool || !hhv_state_9_Bool) || hhv_state_1_Bool) && (!hhv_state_1_Bool || (hhv_state_9_Bool && hhv_state_10_Bool)))) && hbv_state_33_Int == hbv_state_6_Int) && !((hhv_state_19_Bool || hhv_state_18_Int == 10) && (!(hhv_state_18_Int == 10) || !hhv_state_19_Bool))) && !((hhv_state_13_Bool && !(hbv_state_6_Int + -1 * hhv_state_15_Int == 1)) && hhv_state_11_Bool)) && hhv_state_18_Int == hhv_state_4_Int) && hhv_state_17_Int == hhv_state_3_Int) && !((hbv_state_5_Int == 10 || hbv_state_4_Bool) && (!(hbv_state_5_Int == 10) || !hbv_state_4_Bool))) && !((hhv_state_21_Bool || hhv_state_31_Bool) && (!hhv_state_31_Bool || !hhv_state_21_Bool))) && hbv_state_5_Int == hbv_state_29_Int) && !(!(hbv_state_9_Int + -1 * hhv_state_34_Int == -1) && hhv_state_12_Bool)) && !((!(3 <= hhv_state_17_Int) || !hhv_state_21_Bool) && (hhv_state_21_Bool || 3 <= hhv_state_17_Int))) && !(((hbv_state_21_Bool && hhv_state_1_Bool) || hhv_state_0_Bool) && ((!hhv_state_1_Bool || !hbv_state_21_Bool) || !hhv_state_0_Bool))) && !((!hhv_state_20_Bool || !hhv_state_30_Bool) && (hhv_state_30_Bool || hhv_state_20_Bool))) && hbv_state_9_Int == hbv_state_12_Int) && !((hhv_state_5_Bool || hhv_state_12_Bool) && (!hhv_state_5_Bool || !hhv_state_12_Bool))) && !(((((hbv_state_14_Bool || !hhv_state_7_Bool) || !hbv_state_7_Bool) || hbv_state_4_Bool) || hbv_state_1_Bool) && (hhv_state_7_Bool || (((hbv_state_7_Bool && !hbv_state_14_Bool) && !hbv_state_1_Bool) && !hbv_state_4_Bool)))) && !((!hhv_state_5_Bool || !hhv_state_9_Bool) && (hhv_state_5_Bool || hhv_state_9_Bool))) && !(!(hhv_state_14_Int == 0) && (!hhv_state_13_Bool || hhv_state_12_Bool))) && !((hbv_state_22_Bool || hbv_state_21_Bool) && (!hbv_state_22_Bool || !hbv_state_21_Bool))) && !((!hbv_state_26_Bool || !hbv_state_19_Bool) && (hbv_state_26_Bool || hbv_state_19_Bool))) && hhv_state_16_Int == hhv_state_26_Int) && hhv_state_16_Int == hhv_state_2_Int; [L0] CALL call state(hbv_state_20_Bool, hbv_state_25_Bool, hbv_state_17_Int, hbv_state_33_Int, hbv_state_32_Int, hbv_state_30_Bool, hbv_state_18_Bool, hbv_state_27_Bool, hbv_state_21_Bool, hbv_state_23_Bool, hbv_state_24_Bool, hbv_state_19_Bool, hbv_state_10_Bool, hbv_state_7_Bool, hbv_state_15_Int, hbv_state_31_Int, hbv_state_9_Int, hbv_state_6_Int, hbv_state_5_Int, hbv_state_4_Bool, hbv_state_1_Bool, hbv_state_14_Bool, hbv_state_22_Bool, hbv_state_26_Bool, hbv_state_11_Bool, hbv_state_8_Bool, hbv_state_12_Int, hbv_state_13_Int, hbv_state_29_Int, hbv_state_3_Bool, hbv_state_2_Bool, hbv_state_16_Bool, hbv_state_28_Bool, hbv_state_34_Int, hbv_state_35_Int); [L0] assume (((((((((((((((((((((((((((((!((!hhv_state_29_Bool || !hhv_state_19_Bool) && (hhv_state_19_Bool || hhv_state_29_Bool)) && hhv_state_4_Int == 0) && !(((hhv_state_32_Bool || 0 <= hhv_state_27_Int) || !hhv_state_22_Bool) && (!hhv_state_32_Bool || (hhv_state_22_Bool && !(0 <= hhv_state_27_Int))))) && !((!hhv_state_0_Bool || !hhv_state_8_Bool) && (hhv_state_0_Bool || hhv_state_8_Bool))) && !(((!hhv_state_9_Bool || !hhv_state_10_Bool) || hhv_state_1_Bool) && (!hhv_state_1_Bool || (hhv_state_10_Bool && hhv_state_9_Bool)))) && !((!hhv_state_5_Bool || !hhv_state_12_Bool) && (hhv_state_5_Bool || hhv_state_12_Bool))) && !((hhv_state_18_Int == 10 || hhv_state_19_Bool) && (!(hhv_state_18_Int == 10) || !hhv_state_19_Bool))) && !hhv_state_6_Bool) && hhv_state_18_Int == hhv_state_28_Int) && !((!hhv_state_6_Bool || !hhv_state_11_Bool) && (hhv_state_6_Bool || hhv_state_11_Bool))) && !((!hhv_state_23_Bool || !hhv_state_11_Bool) && (hhv_state_23_Bool || hhv_state_11_Bool))) && hhv_state_3_Int == 0) && !((4 <= hhv_state_16_Int || hhv_state_20_Bool) && (!(4 <= hhv_state_16_Int) || !hhv_state_20_Bool))) && !((hhv_state_21_Bool || 3 <= hhv_state_17_Int) && (!(3 <= hhv_state_17_Int) || !hhv_state_21_Bool))) && !((hhv_state_22_Bool || hhv_state_8_Bool) && (!hhv_state_22_Bool || !hhv_state_8_Bool))) && !((!hhv_state_13_Bool || !hhv_state_7_Bool) && (hhv_state_13_Bool || hhv_state_7_Bool))) && hhv_state_4_Int == hhv_state_18_Int) && hhv_state_3_Int == hhv_state_17_Int) && !((hhv_state_21_Bool || hhv_state_31_Bool) && (!hhv_state_31_Bool || !hhv_state_21_Bool))) && !((!hhv_state_0_Bool || !hhv_state_1_Bool) && (hhv_state_0_Bool || hhv_state_1_Bool))) && !((!hhv_state_12_Bool || !hhv_state_24_Bool) && (hhv_state_24_Bool || hhv_state_12_Bool))) && !((!hhv_state_20_Bool || !hhv_state_30_Bool) && (hhv_state_30_Bool || hhv_state_20_Bool))) && hhv_state_2_Int == 0) && !hhv_state_5_Bool) && !!hhv_state_7_Bool) && !((hhv_state_13_Bool && !(hhv_state_14_Int == hhv_state_15_Int)) && !hhv_state_12_Bool)) && !(!(hhv_state_14_Int == 0) && (!hhv_state_13_Bool || hhv_state_12_Bool))) && hhv_state_17_Int == hhv_state_27_Int) && !((hhv_state_13_Bool || hhv_state_25_Bool) && (!hhv_state_13_Bool || !hhv_state_25_Bool))) && hhv_state_16_Int == hhv_state_26_Int) && hhv_state_2_Int == hhv_state_16_Int; [L0] RET call state(hbv_state_20_Bool, hbv_state_25_Bool, hbv_state_17_Int, hbv_state_33_Int, hbv_state_32_Int, hbv_state_30_Bool, hbv_state_18_Bool, hbv_state_27_Bool, hbv_state_21_Bool, hbv_state_23_Bool, hbv_state_24_Bool, hbv_state_19_Bool, hbv_state_10_Bool, hbv_state_7_Bool, hbv_state_15_Int, hbv_state_31_Int, hbv_state_9_Int, hbv_state_6_Int, hbv_state_5_Int, hbv_state_4_Bool, hbv_state_1_Bool, hbv_state_14_Bool, hbv_state_22_Bool, hbv_state_26_Bool, hbv_state_11_Bool, hbv_state_8_Bool, hbv_state_12_Int, hbv_state_13_Int, hbv_state_29_Int, hbv_state_3_Bool, hbv_state_2_Bool, hbv_state_16_Bool, hbv_state_28_Bool, hbv_state_34_Int, hbv_state_35_Int); [L0] RET call state(hbv_False_2_Bool, hbv_False_3_Bool, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Bool, hbv_False_8_Bool, hbv_False_9_Bool, hbv_False_10_Bool, hbv_False_11_Bool, hbv_False_12_Bool, hbv_False_13_Bool, hbv_False_14_Bool, hbv_False_15_Bool, hbv_False_16_Int, hbv_False_17_Int, hbv_False_18_Int, hbv_False_19_Int, hbv_False_20_Int, hbv_False_21_Bool, hbv_False_22_Bool, hbv_False_23_Bool, hbv_False_24_Bool, hbv_False_25_Bool, hbv_False_26_Bool, hbv_False_27_Bool, hbv_False_28_Int, hbv_False_29_Int, hbv_False_30_Int, hbv_False_31_Bool, hbv_False_32_Bool, hbv_False_33_Bool, hbv_False_1_Bool, hbv_False_34_Int, hbv_False_35_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 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/car_4_e3_556.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_15-53-40-819.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/car_4_e3_556.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_15-53-40-819.csv Received shutdown request...