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/vmt-chc-benchmarks/lustre/two_counters_e1_268.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:26:42,754 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:26:42,757 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:26:42,771 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:26:42,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:26:42,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:26:42,773 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:26:42,776 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:26:42,777 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:26:42,778 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:26:42,780 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:26:42,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:26:42,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:26:42,782 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:26:42,783 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:26:42,786 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:26:42,787 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:26:42,789 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:26:42,797 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:26:42,798 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:26:42,799 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:26:42,801 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-22 10:26:42,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:26:42,806 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:26:42,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:26:42,807 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:26:42,808 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:26:42,808 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:26:42,808 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 10:26:42,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:26:42,822 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:26:42,826 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:26:42,826 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:26:42,827 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:26:42,828 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:26:42,828 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:26:42,828 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:26:42,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:26:42,828 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:26:42,829 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:26:42,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:26:42,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:26:42,829 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:26:42,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:26:42,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:26:42,830 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:26:42,835 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:26:42,835 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:26:42,886 INFO ]: Repository-Root is: /tmp [2018-06-22 10:26:42,900 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:26:42,905 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:26:42,907 INFO ]: Initializing SmtParser... [2018-06-22 10:26:42,907 INFO ]: SmtParser initialized [2018-06-22 10:26:42,908 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/two_counters_e1_268.smt2 [2018-06-22 10:26:42,909 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 10:26:42,996 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/two_counters_e1_268.smt2 unknown [2018-06-22 10:26:43,222 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/two_counters_e1_268.smt2 [2018-06-22 10:26:43,228 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:26:43,234 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:26:43,235 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:26:43,235 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:26:43,235 INFO ]: ChcToBoogie initialized [2018-06-22 10:26:43,239 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:26:43" (1/1) ... [2018-06-22 10:26:43,304 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:26:43 Unit [2018-06-22 10:26:43,304 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:26:43,305 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:26:43,305 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:26:43,305 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:26:43,328 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:26:43" (1/1) ... [2018-06-22 10:26:43,328 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:26:43" (1/1) ... [2018-06-22 10:26:43,335 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:26:43" (1/1) ... [2018-06-22 10:26:43,335 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:26:43" (1/1) ... [2018-06-22 10:26:43,338 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:26:43" (1/1) ... [2018-06-22 10:26:43,340 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:26:43" (1/1) ... [2018-06-22 10:26:43,341 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:26:43" (1/1) ... [2018-06-22 10:26:43,343 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:26:43,344 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:26:43,344 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:26:43,344 INFO ]: RCFGBuilder initialized [2018-06-22 10:26:43,354 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:26:43" (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 [2018-06-22 10:26:43,363 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 10:26:43,363 INFO ]: Found specification of procedure gotoProc [2018-06-22 10:26:43,364 INFO ]: Found implementation of procedure gotoProc [2018-06-22 10:26:43,364 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:26:43,364 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:26:43,364 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:26:43,592 INFO ]: Using library mode [2018-06-22 10:26:43,592 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:26:43 BoogieIcfgContainer [2018-06-22 10:26:43,592 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:26:43,598 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:26:43,598 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:26:43,601 INFO ]: TraceAbstraction initialized [2018-06-22 10:26:43,603 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:26:43" (1/3) ... [2018-06-22 10:26:43,604 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab07394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:26:43, skipping insertion in model container [2018-06-22 10:26:43,604 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:26:43" (2/3) ... [2018-06-22 10:26:43,604 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab07394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:26:43, skipping insertion in model container [2018-06-22 10:26:43,604 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:26:43" (3/3) ... [2018-06-22 10:26:43,606 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:26:43,616 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:26:43,628 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:26:43,686 INFO ]: Using default assertion order modulation [2018-06-22 10:26:43,686 INFO ]: Interprodecural is true [2018-06-22 10:26:43,686 INFO ]: Hoare is false [2018-06-22 10:26:43,686 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:26:43,686 INFO ]: Backedges is TWOTRACK [2018-06-22 10:26:43,686 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:26:43,686 INFO ]: Difference is false [2018-06-22 10:26:43,686 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:26:43,686 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:26:43,703 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 10:26:43,720 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 10:26:43,720 INFO ]: Found error trace [2018-06-22 10:26:43,721 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:26:43,721 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:26:43,727 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 10:26:43,730 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:26:43,730 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:26:43,768 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:26:43,768 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:26:43,768 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:26:43,822 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:26:44,007 WARN ]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-06-22 10:26:44,010 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:26:44,012 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:26:44,013 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 10:26:44,014 INFO ]: Interpolant automaton has 3 states [2018-06-22 10:26:44,031 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 10:26:44,031 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 10:26:44,035 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 10:26:44,104 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:26:44,104 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 10:26:44,106 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 10:26:44,108 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 10:26:44,108 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:26:44,119 INFO ]: With dead ends: 9 [2018-06-22 10:26:44,119 INFO ]: Without dead ends: 9 [2018-06-22 10:26:44,124 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 10:26:44,142 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 10:26:44,170 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 10:26:44,171 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 10:26:44,172 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 10:26:44,173 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 10:26:44,173 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:26:44,173 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 10:26:44,173 INFO ]: Interpolant automaton has 3 states. [2018-06-22 10:26:44,173 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 10:26:44,173 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 10:26:44,173 INFO ]: Found error trace [2018-06-22 10:26:44,173 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:26:44,173 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:26:44,174 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 10:26:44,174 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:26:44,174 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:26:44,174 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:26:44,174 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:26:44,174 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:26:44,209 INFO ]: Conjunction of SSA is sat [2018-06-22 10:26:44,212 INFO ]: Counterexample might be feasible [2018-06-22 10:26:44,248 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:26:44 BoogieIcfgContainer [2018-06-22 10:26:44,248 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:26:44,249 INFO ]: Toolchain (without parser) took 1020.76 ms. Allocated memory is still 304.6 MB. Free memory was 259.0 MB in the beginning and 226.0 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:26:44,250 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:26:44,251 INFO ]: ChcToBoogie took 69.38 ms. Allocated memory is still 304.6 MB. Free memory was 259.0 MB in the beginning and 257.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:26:44,251 INFO ]: Boogie Preprocessor took 38.51 ms. Allocated memory is still 304.6 MB. Free memory was 257.0 MB in the beginning and 255.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:26:44,252 INFO ]: RCFGBuilder took 248.31 ms. Allocated memory is still 304.6 MB. Free memory was 255.0 MB in the beginning and 245.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:26:44,253 INFO ]: TraceAbstraction took 650.91 ms. Allocated memory is still 304.6 MB. Free memory was 244.0 MB in the beginning and 226.0 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 3.6 GB. [2018-06-22 10:26:44,263 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 69.38 ms. Allocated memory is still 304.6 MB. Free memory was 259.0 MB in the beginning and 257.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 38.51 ms. Allocated memory is still 304.6 MB. Free memory was 257.0 MB in the beginning and 255.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 248.31 ms. Allocated memory is still 304.6 MB. Free memory was 255.0 MB in the beginning and 245.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 650.91 ms. Allocated memory is still 304.6 MB. Free memory was 244.0 MB in the beginning and 226.0 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 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, false, false, 0, false, false, false, false, false, false, false, false, 0); [L0] gotoSwitch := gotoSwitch_in; [L0] assume !hbv_False_1_Bool; [L0] hhv_state_0_Int, hhv_state_1_Bool, hhv_state_2_Bool, hhv_state_3_Int, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Bool, hhv_state_9_Bool, hhv_state_10_Bool, hhv_state_11_Bool, hhv_state_12_Int := hbv_False_2_Int, hbv_False_3_Bool, hbv_False_4_Bool, hbv_False_5_Int, hbv_False_6_Bool, hbv_False_7_Bool, hbv_False_8_Bool, hbv_False_9_Bool, hbv_False_10_Bool, hbv_False_11_Bool, hbv_False_1_Bool, hbv_False_12_Bool, hbv_False_13_Int; [L0] havoc hbv_False_1_Bool, hbv_False_5_Int, hbv_False_8_Bool, hbv_False_6_Bool, hbv_False_7_Bool, hbv_False_2_Int, hbv_False_9_Bool, hbv_False_11_Bool, hbv_False_10_Bool, hbv_False_13_Int, hbv_False_4_Bool, hbv_False_12_Bool, hbv_False_3_Bool; [L0] assume (((((((((((((((((((!(((!hhv_state_7_Bool || !hhv_state_5_Bool) || !hhv_state_6_Bool) && ((hhv_state_6_Bool && hhv_state_5_Bool) || hhv_state_7_Bool)) && !((hbv_state_9_Bool || hbv_state_10_Bool) && (!hbv_state_9_Bool || !hbv_state_10_Bool))) && !((hhv_state_6_Bool || hhv_state_2_Bool) && (!hhv_state_6_Bool || !hhv_state_2_Bool))) && !((hbv_state_4_Bool || hbv_state_3_Bool) && (!hbv_state_3_Bool || !hbv_state_4_Bool))) && !((!hbv_state_7_Bool || hhv_state_2_Bool) && (hbv_state_7_Bool || !hhv_state_2_Bool))) && !(((hhv_state_10_Bool || (hhv_state_8_Bool && hhv_state_9_Bool)) || (!hhv_state_8_Bool && !hhv_state_9_Bool)) && (((hhv_state_8_Bool || hhv_state_9_Bool) && (!hhv_state_8_Bool || !hhv_state_9_Bool)) || !hhv_state_10_Bool))) && !((!hbv_state_11_Bool || !hbv_state_5_Bool) && (hbv_state_11_Bool || hbv_state_5_Bool))) && !(!(hbv_state_2_Int == 3) && !(hbv_state_2_Int + -1 * hhv_state_12_Int == -2))) && hhv_state_0_Int == hhv_state_12_Int) && hhv_state_3_Int == hhv_state_0_Int) && !(!(hhv_state_12_Int == 0) && hbv_state_2_Int == 3)) && !((hhv_state_1_Bool || hhv_state_5_Bool) && (!hhv_state_5_Bool || !hhv_state_1_Bool))) && !((!hbv_state_7_Bool || !hbv_state_8_Bool) && (hbv_state_8_Bool || hbv_state_7_Bool))) && !((hhv_state_9_Bool || hhv_state_7_Bool) && (!hhv_state_7_Bool || !hhv_state_9_Bool))) && !((!hbv_state_9_Bool || !hhv_state_1_Bool) && (hbv_state_9_Bool || hhv_state_1_Bool))) && !((!hhv_state_8_Bool || !hhv_state_4_Bool) && (hhv_state_8_Bool || hhv_state_4_Bool))) && !((hhv_state_3_Int == 2 || hhv_state_4_Bool) && (!(hhv_state_3_Int == 2) || !hhv_state_4_Bool))) && hbv_state_1_Int == hbv_state_2_Int) && !((((hbv_state_4_Bool || hbv_state_5_Bool) && (!hbv_state_4_Bool || !hbv_state_5_Bool)) || !hbv_state_6_Bool) && ((hbv_state_6_Bool || (hbv_state_4_Bool && hbv_state_5_Bool)) || (!hbv_state_4_Bool && !hbv_state_5_Bool)))) && !(((!hbv_state_9_Bool || !hbv_state_11_Bool) || !hbv_state_7_Bool) && ((hbv_state_9_Bool && hbv_state_7_Bool) || hbv_state_11_Bool))) && !((hbv_state_3_Bool || hbv_state_2_Int == 2) && (!hbv_state_3_Bool || !(hbv_state_2_Int == 2))); [L0] hhv_state_0_Int, hhv_state_1_Bool, hhv_state_2_Bool, hhv_state_3_Int, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Bool, hhv_state_9_Bool, hhv_state_10_Bool, hhv_state_11_Bool, hhv_state_12_Int := hbv_state_1_Int, hbv_state_8_Bool, hbv_state_10_Bool, hbv_state_2_Int, hbv_state_3_Bool, hbv_state_7_Bool, hbv_state_9_Bool, hbv_state_11_Bool, hbv_state_4_Bool, hbv_state_5_Bool, hbv_state_6_Bool, hbv_state_12_Bool, hbv_state_13_Int; [L0] havoc hbv_state_9_Bool, hbv_state_11_Bool, hbv_state_1_Int, hbv_state_4_Bool, hbv_state_8_Bool, hbv_state_2_Int, hbv_state_6_Bool, hbv_state_12_Bool, hbv_state_5_Bool, hbv_state_13_Int, hbv_state_3_Bool, hbv_state_7_Bool, hbv_state_10_Bool; [L0] assume (((((((((!hhv_state_2_Bool && !((((hhv_state_8_Bool || hhv_state_9_Bool) && (!hhv_state_8_Bool || !hhv_state_9_Bool)) || !hhv_state_10_Bool) && ((hhv_state_10_Bool || (hhv_state_8_Bool && hhv_state_9_Bool)) || (!hhv_state_8_Bool && !hhv_state_9_Bool)))) && !((!hhv_state_7_Bool || !hhv_state_9_Bool) && (hhv_state_7_Bool || hhv_state_9_Bool))) && !(((!hhv_state_6_Bool || !hhv_state_7_Bool) || !hhv_state_5_Bool) && ((hhv_state_6_Bool && hhv_state_5_Bool) || hhv_state_7_Bool))) && !hhv_state_1_Bool) && !((hhv_state_6_Bool || hhv_state_2_Bool) && (!hhv_state_6_Bool || !hhv_state_2_Bool))) && hhv_state_0_Int == hhv_state_3_Int) && !((hhv_state_4_Bool || hhv_state_3_Int == 2) && (!hhv_state_4_Bool || !(hhv_state_3_Int == 2)))) && hhv_state_0_Int == 0) && !((hhv_state_8_Bool || hhv_state_4_Bool) && (!hhv_state_4_Bool || !hhv_state_8_Bool))) && !((!hhv_state_5_Bool || !hhv_state_1_Bool) && (hhv_state_1_Bool || hhv_state_5_Bool)); [L0] RET call gotoProc(0, 0, false, false, 0, false, false, false, false, false, false, false, false, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 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/two_counters_e1_268.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-26-44-285.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/two_counters_e1_268.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-26-44-285.csv Received shutdown request...