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_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2-big_safe.c-1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 01:08:09,164 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 01:08:09,166 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 01:08:09,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 01:08:09,178 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 01:08:09,179 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 01:08:09,183 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 01:08:09,185 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 01:08:09,186 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 01:08:09,187 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 01:08:09,188 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 01:08:09,188 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 01:08:09,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 01:08:09,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 01:08:09,194 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 01:08:09,197 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 01:08:09,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 01:08:09,212 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 01:08:09,214 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 01:08:09,215 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 01:08:09,215 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 01:08:09,221 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 01:08:09,221 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 01:08:09,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 01:08:09,222 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 01:08:09,223 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 01:08:09,223 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 01:08:09,224 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 01:08:09,225 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 01:08:09,225 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 01:08:09,226 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 01:08:09,226 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 01:08:09,227 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 01:08:09,227 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 01:08:09,228 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 01:08:09,228 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 01:08:09,245 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 01:08:09,245 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 01:08:09,246 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 01:08:09,246 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 01:08:09,247 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 01:08:09,247 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 01:08:09,247 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 01:08:09,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 01:08:09,249 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 01:08:09,249 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 01:08:09,249 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 01:08:09,249 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 01:08:09,250 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 01:08:09,250 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 01:08:09,250 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 01:08:09,250 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 01:08:09,250 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 01:08:09,253 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 01:08:09,253 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 01:08:09,304 INFO ]: Repository-Root is: /tmp [2018-06-22 01:08:09,321 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 01:08:09,327 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 01:08:09,328 INFO ]: Initializing SmtParser... [2018-06-22 01:08:09,328 INFO ]: SmtParser initialized [2018-06-22 01:08:09,329 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2-big_safe.c-1.smt2 [2018-06-22 01:08:09,330 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 01:08:09,427 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2-big_safe.c-1.smt2 unknown [2018-06-22 01:08:09,663 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/barthe2-big_safe.c-1.smt2 [2018-06-22 01:08:09,668 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 01:08:09,674 INFO ]: Walking toolchain with 4 elements. [2018-06-22 01:08:09,675 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 01:08:09,675 INFO ]: Initializing ChcToBoogie... [2018-06-22 01:08:09,675 INFO ]: ChcToBoogie initialized [2018-06-22 01:08:09,679 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:08:09" (1/1) ... [2018-06-22 01:08:09,724 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:08:09 Unit [2018-06-22 01:08:09,724 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 01:08:09,724 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 01:08:09,724 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 01:08:09,724 INFO ]: Boogie Preprocessor initialized [2018-06-22 01:08:09,746 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:08:09" (1/1) ... [2018-06-22 01:08:09,746 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:08:09" (1/1) ... [2018-06-22 01:08:09,752 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:08:09" (1/1) ... [2018-06-22 01:08:09,752 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:08:09" (1/1) ... [2018-06-22 01:08:09,756 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:08:09" (1/1) ... [2018-06-22 01:08:09,759 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:08:09" (1/1) ... [2018-06-22 01:08:09,760 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:08:09" (1/1) ... [2018-06-22 01:08:09,762 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 01:08:09,762 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 01:08:09,763 INFO ]: Initializing RCFGBuilder... [2018-06-22 01:08:09,763 INFO ]: RCFGBuilder initialized [2018-06-22 01:08:09,763 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:08:09" (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 01:08:09,775 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 01:08:09,776 INFO ]: Found specification of procedure gotoProc [2018-06-22 01:08:09,776 INFO ]: Found implementation of procedure gotoProc [2018-06-22 01:08:09,776 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 01:08:09,776 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 01:08:09,776 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 01:08:10,066 INFO ]: Using library mode [2018-06-22 01:08:10,067 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:08:10 BoogieIcfgContainer [2018-06-22 01:08:10,067 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 01:08:10,068 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 01:08:10,068 INFO ]: Initializing TraceAbstraction... [2018-06-22 01:08:10,071 INFO ]: TraceAbstraction initialized [2018-06-22 01:08:10,071 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:08:09" (1/3) ... [2018-06-22 01:08:10,072 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357c0302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:08:10, skipping insertion in model container [2018-06-22 01:08:10,072 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:08:09" (2/3) ... [2018-06-22 01:08:10,072 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357c0302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:08:10, skipping insertion in model container [2018-06-22 01:08:10,072 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:08:10" (3/3) ... [2018-06-22 01:08:10,074 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 01:08:10,084 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 01:08:10,093 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 01:08:10,127 INFO ]: Using default assertion order modulation [2018-06-22 01:08:10,128 INFO ]: Interprodecural is true [2018-06-22 01:08:10,128 INFO ]: Hoare is false [2018-06-22 01:08:10,128 INFO ]: Compute interpolants for FPandBP [2018-06-22 01:08:10,128 INFO ]: Backedges is TWOTRACK [2018-06-22 01:08:10,128 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 01:08:10,128 INFO ]: Difference is false [2018-06-22 01:08:10,128 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 01:08:10,128 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 01:08:10,142 INFO ]: Start isEmpty. Operand 15 states. [2018-06-22 01:08:10,155 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-22 01:08:10,155 INFO ]: Found error trace [2018-06-22 01:08:10,156 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:08:10,156 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:08:10,161 INFO ]: Analyzing trace with hash 1413447432, now seen corresponding path program 1 times [2018-06-22 01:08:10,164 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:08:10,164 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:08:10,206 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:08:10,206 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:08:10,206 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:08:10,254 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:08:10,402 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:08:10,404 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:08:10,404 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-22 01:08:10,406 INFO ]: Interpolant automaton has 7 states [2018-06-22 01:08:10,417 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 01:08:10,417 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-22 01:08:10,419 INFO ]: Start difference. First operand 15 states. Second operand 7 states. [2018-06-22 01:08:11,000 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:08:11,000 INFO ]: Finished difference Result 32 states and 44 transitions. [2018-06-22 01:08:11,001 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 01:08:11,002 INFO ]: Start accepts. Automaton has 7 states. Word has length 12 [2018-06-22 01:08:11,002 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:08:11,011 INFO ]: With dead ends: 32 [2018-06-22 01:08:11,011 INFO ]: Without dead ends: 32 [2018-06-22 01:08:11,013 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-06-22 01:08:11,026 INFO ]: Start minimizeSevpa. Operand 32 states. [2018-06-22 01:08:11,045 INFO ]: Finished minimizeSevpa. Reduced states from 32 to 17. [2018-06-22 01:08:11,047 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 01:08:11,047 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2018-06-22 01:08:11,049 INFO ]: Start accepts. Automaton has 17 states and 23 transitions. Word has length 12 [2018-06-22 01:08:11,049 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:08:11,049 INFO ]: Abstraction has 17 states and 23 transitions. [2018-06-22 01:08:11,049 INFO ]: Interpolant automaton has 7 states. [2018-06-22 01:08:11,049 INFO ]: Start isEmpty. Operand 17 states and 23 transitions. [2018-06-22 01:08:11,049 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 01:08:11,049 INFO ]: Found error trace [2018-06-22 01:08:11,049 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:08:11,050 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:08:11,050 INFO ]: Analyzing trace with hash 544861874, now seen corresponding path program 1 times [2018-06-22 01:08:11,050 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:08:11,050 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:08:11,051 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:08:11,051 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:08:11,051 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:08:11,073 INFO ]: Conjunction of SSA is sat [2018-06-22 01:08:11,078 INFO ]: Counterexample might be feasible [2018-06-22 01:08:11,097 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:08:11 BoogieIcfgContainer [2018-06-22 01:08:11,097 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 01:08:11,098 INFO ]: Toolchain (without parser) took 1428.93 ms. Allocated memory is still 303.6 MB. Free memory was 257.9 MB in the beginning and 212.0 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 3.6 GB. [2018-06-22 01:08:11,099 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 303.6 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 01:08:11,100 INFO ]: ChcToBoogie took 49.27 ms. Allocated memory is still 303.6 MB. Free memory was 257.9 MB in the beginning and 255.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:08:11,100 INFO ]: Boogie Preprocessor took 37.74 ms. Allocated memory is still 303.6 MB. Free memory was 255.9 MB in the beginning and 253.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:08:11,101 INFO ]: RCFGBuilder took 304.11 ms. Allocated memory is still 303.6 MB. Free memory was 253.9 MB in the beginning and 243.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:08:11,102 INFO ]: TraceAbstraction took 1028.73 ms. Allocated memory is still 303.6 MB. Free memory was 243.9 MB in the beginning and 212.0 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 3.6 GB. [2018-06-22 01:08:11,105 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 303.6 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 49.27 ms. Allocated memory is still 303.6 MB. Free memory was 257.9 MB in the beginning and 255.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 37.74 ms. Allocated memory is still 303.6 MB. Free memory was 255.9 MB in the beginning and 253.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 304.11 ms. Allocated memory is still 303.6 MB. Free memory was 253.9 MB in the beginning and 243.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1028.73 ms. Allocated memory is still 303.6 MB. Free memory was 243.9 MB in the beginning and 212.0 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 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 gotoProc(0, 0, 0, 0, 0, 0); [L0] gotoSwitch := gotoSwitch_in; [L0] assume !(hbv_False_1_Int == hbv_False_2_Int); [L0] hhv_inv_main37_0_Int, hhv_inv_main37_1_Int, hhv_inv_main37_2_Int := hbv_False_3_Int, hbv_False_1_Int, hbv_False_2_Int; [L0] havoc hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int; [L0] assume !(0 <= hbv_inv_main37_1_Int + -1 * hbv_inv_main37_2_Int && !(hbv_inv_main37_3_Int == 0)); [L0] hhv_inv_main31_0_Int, hhv_inv_main31_1_Int, hhv_inv_main31_2_Int, hhv_inv_main31_3_Int, hhv_inv_main31_4_Int := hhv_inv_main37_0_Int, hhv_inv_main37_1_Int, hbv_inv_main37_1_Int, hbv_inv_main37_2_Int, hhv_inv_main37_2_Int; [L0] havoc hbv_inv_main37_2_Int, hbv_inv_main37_3_Int, hbv_inv_main37_1_Int; [L0] assume ((0 <= hhv_inv_main31_2_Int + -1 * hbv_inv_main31_2_Int && hhv_inv_main31_3_Int == hbv_inv_main31_2_Int + 1) && !(hbv_inv_main31_3_Int == 0)) && hhv_inv_main31_4_Int == hbv_inv_main31_1_Int + hbv_inv_main31_2_Int; [L0] hhv_inv_main31_0_Int, hhv_inv_main31_1_Int, hhv_inv_main31_2_Int, hhv_inv_main31_3_Int, hhv_inv_main31_4_Int := hhv_inv_main31_0_Int, hhv_inv_main31_1_Int, hhv_inv_main31_2_Int, hbv_inv_main31_2_Int, hbv_inv_main31_1_Int; [L0] havoc hbv_inv_main31_1_Int, hbv_inv_main31_3_Int, hbv_inv_main31_2_Int; [L0] assume !(!(hbv_inv_main31_2_Int == 0) && 0 <= hhv_inv_main31_2_Int + -1 * hbv_inv_main31_1_Int) && hhv_inv_main31_3_Int == 1; [L0] hhv_inv_main25_0_Int, hhv_inv_main25_1_Int, hhv_inv_main25_2_Int, hhv_inv_main25_3_Int, hhv_inv_main25_4_Int := hhv_inv_main31_0_Int, hhv_inv_main31_1_Int, hhv_inv_main31_2_Int, hbv_inv_main31_1_Int, hhv_inv_main31_4_Int; [L0] havoc hbv_inv_main31_1_Int, hbv_inv_main31_2_Int; [L0] assume ((hhv_inv_main25_3_Int == 1 && hhv_inv_main25_2_Int == hhv_inv_main25_0_Int) && hhv_inv_main25_4_Int == 1) && !(0 <= hbv_inv_main25_1_Int + -1 * hbv_inv_main25_2_Int && !(hbv_inv_main25_3_Int == 0)); [L0] hhv_inv_main14_0_Int, hhv_inv_main14_1_Int, hhv_inv_main14_2_Int, hhv_inv_main14_3_Int := hhv_inv_main25_0_Int, hbv_inv_main25_1_Int, hbv_inv_main25_2_Int, hhv_inv_main25_1_Int; [L0] havoc hbv_inv_main25_2_Int, hbv_inv_main25_3_Int, hbv_inv_main25_1_Int; [L0] assume !(0 <= hhv_inv_main14_1_Int + -1 * hbv_inv_main14_1_Int && !(hbv_inv_main14_2_Int == 0)) && hhv_inv_main14_2_Int == 0; [L0] hhv_inv_main8_0_Int, hhv_inv_main8_1_Int, hhv_inv_main8_2_Int, hhv_inv_main8_3_Int := hhv_inv_main14_0_Int, hhv_inv_main14_1_Int, hbv_inv_main14_1_Int, hhv_inv_main14_3_Int; [L0] havoc hbv_inv_main14_1_Int, hbv_inv_main14_2_Int; [L0] assume (hhv_inv_main8_1_Int == hhv_inv_main8_0_Int && hhv_inv_main8_3_Int == 1) && hhv_inv_main8_2_Int == 1; [L0] hhv_inv_main3_0_Int := hhv_inv_main8_0_Int; [L0] assume true; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 42 SDslu, 72 SDs, 0 SdLazy, 39 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 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/barthe2-big_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_01-08-11-117.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/barthe2-big_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_01-08-11-117.csv Received shutdown request...