/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/locks/test_locks_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 22:13:59,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 22:13:59,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 22:13:59,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 22:13:59,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 22:13:59,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 22:13:59,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 22:13:59,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 22:13:59,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 22:13:59,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 22:13:59,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 22:13:59,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 22:13:59,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 22:13:59,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 22:13:59,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 22:13:59,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 22:13:59,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 22:13:59,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 22:13:59,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 22:13:59,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 22:13:59,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 22:13:59,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 22:13:59,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 22:13:59,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 22:13:59,670 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 22:13:59,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 22:13:59,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 22:13:59,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 22:13:59,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 22:13:59,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 22:13:59,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 22:13:59,673 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 22:13:59,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 22:13:59,673 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 22:13:59,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 22:13:59,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 22:13:59,674 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 22:13:59,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 22:13:59,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 22:13:59,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 22:13:59,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 22:13:59,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 22:13:59,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 22:13:59,675 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-08-22 22:13:59,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 22:13:59,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 22:13:59,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 22:13:59,974 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 22:13:59,974 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 22:13:59,975 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2020-08-22 22:14:00,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b075ea8b3/8a7684938c4b4aed994a1891b865e8f8/FLAG0cc437157 [2020-08-22 22:14:00,506 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 22:14:00,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2020-08-22 22:14:00,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b075ea8b3/8a7684938c4b4aed994a1891b865e8f8/FLAG0cc437157 [2020-08-22 22:14:00,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b075ea8b3/8a7684938c4b4aed994a1891b865e8f8 [2020-08-22 22:14:00,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 22:14:00,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 22:14:00,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 22:14:00,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 22:14:00,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 22:14:00,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:14:00" (1/1) ... [2020-08-22 22:14:00,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469d7643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:00, skipping insertion in model container [2020-08-22 22:14:00,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:14:00" (1/1) ... [2020-08-22 22:14:00,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 22:14:00,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 22:14:01,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 22:14:01,186 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 22:14:01,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 22:14:01,245 INFO L208 MainTranslator]: Completed translation [2020-08-22 22:14:01,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:01 WrapperNode [2020-08-22 22:14:01,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 22:14:01,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 22:14:01,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 22:14:01,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 22:14:01,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:01" (1/1) ... [2020-08-22 22:14:01,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:01" (1/1) ... [2020-08-22 22:14:01,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:01" (1/1) ... [2020-08-22 22:14:01,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:01" (1/1) ... [2020-08-22 22:14:01,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:01" (1/1) ... [2020-08-22 22:14:01,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:01" (1/1) ... [2020-08-22 22:14:01,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:01" (1/1) ... [2020-08-22 22:14:01,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 22:14:01,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 22:14:01,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 22:14:01,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 22:14:01,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 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 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 22:14:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 22:14:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 22:14:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 22:14:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 22:14:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 22:14:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 22:14:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 22:14:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 22:14:01,987 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 22:14:01,987 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 22:14:01,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:14:01 BoogieIcfgContainer [2020-08-22 22:14:01,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 22:14:01,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 22:14:01,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 22:14:01,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 22:14:01,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 10:14:00" (1/3) ... [2020-08-22 22:14:01,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3870cc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:14:01, skipping insertion in model container [2020-08-22 22:14:01,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:14:01" (2/3) ... [2020-08-22 22:14:02,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3870cc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:14:01, skipping insertion in model container [2020-08-22 22:14:02,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:14:01" (3/3) ... [2020-08-22 22:14:02,002 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2020-08-22 22:14:02,011 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 22:14:02,020 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 22:14:02,035 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 22:14:02,058 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 22:14:02,059 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 22:14:02,059 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 22:14:02,059 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 22:14:02,059 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 22:14:02,060 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 22:14:02,060 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 22:14:02,060 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 22:14:02,078 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-08-22 22:14:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-08-22 22:14:02,092 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:14:02,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 22:14:02,094 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:14:02,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:14:02,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1065527792, now seen corresponding path program 1 times [2020-08-22 22:14:02,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:14:02,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670360219] [2020-08-22 22:14:02,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:14:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:14:02,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 22:14:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 22:14:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 22:14:02,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670360219] [2020-08-22 22:14:02,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 22:14:02,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 22:14:02,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573018363] [2020-08-22 22:14:02,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 22:14:02,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 22:14:02,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 22:14:02,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 22:14:02,421 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-08-22 22:14:02,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 22:14:02,564 INFO L93 Difference]: Finished difference Result 345 states and 477 transitions. [2020-08-22 22:14:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 22:14:02,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-08-22 22:14:02,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 22:14:02,587 INFO L225 Difference]: With dead ends: 345 [2020-08-22 22:14:02,587 INFO L226 Difference]: Without dead ends: 240 [2020-08-22 22:14:02,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 22:14:02,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-22 22:14:02,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2020-08-22 22:14:02,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-08-22 22:14:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 318 transitions. [2020-08-22 22:14:02,673 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 318 transitions. Word has length 97 [2020-08-22 22:14:02,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 22:14:02,674 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 318 transitions. [2020-08-22 22:14:02,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 22:14:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 318 transitions. [2020-08-22 22:14:02,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-08-22 22:14:02,678 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 22:14:02,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 22:14:02,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 22:14:02,680 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 22:14:02,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 22:14:02,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1065536007, now seen corresponding path program 1 times [2020-08-22 22:14:02,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 22:14:02,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376973490] [2020-08-22 22:14:02,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 22:14:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 22:14:02,737 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 22:14:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 22:14:02,779 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 22:14:02,818 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 22:14:02,818 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 22:14:02,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 22:14:02,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 10:14:02 BoogieIcfgContainer [2020-08-22 22:14:02,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 22:14:02,914 INFO L168 Benchmark]: Toolchain (without parser) took 2042.84 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 104.8 MB in the beginning and 96.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. [2020-08-22 22:14:02,917 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 22:14:02,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.39 ms. Allocated memory is still 142.1 MB. Free memory was 104.6 MB in the beginning and 93.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2020-08-22 22:14:02,922 INFO L168 Benchmark]: Boogie Preprocessor took 148.87 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 93.1 MB in the beginning and 182.5 MB in the end (delta: -89.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2020-08-22 22:14:02,923 INFO L168 Benchmark]: RCFGBuilder took 598.02 ms. Allocated memory is still 205.0 MB. Free memory was 182.5 MB in the beginning and 151.8 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2020-08-22 22:14:02,923 INFO L168 Benchmark]: TraceAbstraction took 913.72 ms. Allocated memory is still 205.0 MB. Free memory was 151.1 MB in the beginning and 96.8 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2020-08-22 22:14:02,928 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 122.8 MB in the beginning and 122.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 374.39 ms. Allocated memory is still 142.1 MB. Free memory was 104.6 MB in the beginning and 93.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.87 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 93.1 MB in the beginning and 182.5 MB in the end (delta: -89.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 598.02 ms. Allocated memory is still 205.0 MB. Free memory was 182.5 MB in the beginning and 151.8 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 913.72 ms. Allocated memory is still 205.0 MB. Free memory was 151.1 MB in the beginning and 96.8 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 217]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] int p1 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0] [L7] int lk1; VAL [p1=0] [L9] int p2 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p2=0] [L10] int lk2; VAL [p1=0, p2=0] [L12] int p3 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p2=0, p3=0] [L13] int lk3; VAL [p1=0, p2=0, p3=0] [L15] int p4 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p2=0, p3=0, p4=0] [L16] int lk4; VAL [p1=0, p2=0, p3=0, p4=0] [L18] int p5 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p2=0, p3=0, p4=0, p5=0] [L19] int lk5; VAL [p1=0, p2=0, p3=0, p4=0, p5=0] [L21] int p6 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p2=0, p3=0, p4=0, p5=0, p6=0] [L22] int lk6; VAL [p1=0, p2=0, p3=0, p4=0, p5=0, p6=0] [L24] int p7 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0] [L25] int lk7; VAL [p1=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0] [L27] int p8 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0] [L28] int lk8; VAL [p1=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0] [L30] int p9 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L31] int lk9; VAL [p1=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L33] int p10 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p10=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L34] int lk10; VAL [p1=0, p10=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L36] int p11 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p10=0, p11=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L37] int lk11; VAL [p1=0, p10=0, p11=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L39] int p12 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p10=0, p11=0, p12=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L40] int lk12; VAL [p1=0, p10=0, p11=0, p12=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L42] int p13 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p10=0, p11=0, p12=0, p13=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L43] int lk13; VAL [p1=0, p10=0, p11=0, p12=0, p13=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L45] int p14 = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L46] int lk14; VAL [p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L49] int cond; VAL [p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L51] COND TRUE 1 VAL [p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L52] cond = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, cond=1, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L53] COND FALSE !(cond == 0) VAL [cond=1, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L56] lk1 = 0 VAL [cond=1, lk1=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L58] lk2 = 0 VAL [cond=1, lk1=0, lk2=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L60] lk3 = 0 VAL [cond=1, lk1=0, lk2=0, lk3=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L62] lk4 = 0 VAL [cond=1, lk1=0, lk2=0, lk3=0, lk4=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L64] lk5 = 0 VAL [cond=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L66] lk6 = 0 VAL [cond=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L68] lk7 = 0 VAL [cond=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L70] lk8 = 0 VAL [cond=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L72] lk9 = 0 VAL [cond=1, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L74] lk10 = 0 VAL [cond=1, lk1=0, lk10=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L76] lk11 = 0 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L78] lk12 = 0 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L80] lk13 = 0 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L82] lk14 = 0 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L86] COND FALSE !(p1 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L90] COND FALSE !(p2 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L94] COND FALSE !(p3 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L98] COND FALSE !(p4 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L102] COND FALSE !(p5 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L106] COND FALSE !(p6 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L110] COND FALSE !(p7 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L114] COND FALSE !(p8 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L118] COND FALSE !(p9 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L122] COND FALSE !(p10 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L126] COND FALSE !(p11 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L130] COND FALSE !(p12 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L134] COND FALSE !(p13 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L138] COND FALSE !(p14 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L144] COND FALSE !(p1 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L149] COND FALSE !(p2 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] [L217] __VERIFIER_error() VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=0, p12=0, p13=0, p14=0, p2=0, p3=0, p4=0, p5=0, p6=0, p7=0, p8=0, p9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 158 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 220 SDtfs, 115 SDslu, 194 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 11904 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...