/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 0.1.25-267fbe0 [2020-07-17 17:24:28,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:24:28,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:24:28,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:24:28,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:24:28,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:24:28,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:24:28,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:24:28,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:24:28,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:24:28,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:24:28,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:24:28,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:24:28,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:24:28,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:24:28,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:24:28,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:24:28,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:24:28,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:24:28,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:24:28,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:24:28,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:24:28,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:24:28,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:24:28,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 17:24:28,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:24:28,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:24:28,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:24:28,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 17:24:28,638 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:24:28,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:24:28,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:24:28,640 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:24:28,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:24:28,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:24:28,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:24:28,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:24:28,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:24:28,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:24:28,641 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:24:28,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:24:28,642 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:24:28,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:24:28,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:24:28,642 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:24:28,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:24:28,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:24:28,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:24:28,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:24:28,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:24:28,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:24:28,644 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 [2020-07-17 17:24:28,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:24:28,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:24:28,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:24:28,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:24:28,931 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:24:28,932 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2020-07-17 17:24:28,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09db6f126/0b2cf1773eba449f9bc486e7cb56e03d/FLAGe61e694d3 [2020-07-17 17:24:29,450 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:24:29,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2020-07-17 17:24:29,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09db6f126/0b2cf1773eba449f9bc486e7cb56e03d/FLAGe61e694d3 [2020-07-17 17:24:29,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09db6f126/0b2cf1773eba449f9bc486e7cb56e03d [2020-07-17 17:24:29,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:24:29,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:24:29,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:24:29,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:24:29,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:24:29,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:24:29" (1/1) ... [2020-07-17 17:24:29,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66baa42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:29, skipping insertion in model container [2020-07-17 17:24:29,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:24:29" (1/1) ... [2020-07-17 17:24:29,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:24:29,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:24:30,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:24:30,068 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:24:30,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:24:30,114 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:24:30,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:30 WrapperNode [2020-07-17 17:24:30,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:24:30,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:24:30,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:24:30,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:24:30,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:30" (1/1) ... [2020-07-17 17:24:30,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:30" (1/1) ... [2020-07-17 17:24:30,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:30" (1/1) ... [2020-07-17 17:24:30,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:30" (1/1) ... [2020-07-17 17:24:30,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:30" (1/1) ... [2020-07-17 17:24:30,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:30" (1/1) ... [2020-07-17 17:24:30,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:30" (1/1) ... [2020-07-17 17:24:30,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:24:30,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:24:30,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:24:30,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:24:30,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:30" (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 [2020-07-17 17:24:30,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:24:30,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:24:30,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:24:30,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:24:30,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 17:24:30,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:24:30,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:24:30,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:24:30,810 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:24:30,811 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 17:24:30,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:24:30 BoogieIcfgContainer [2020-07-17 17:24:30,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:24:30,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:24:30,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:24:30,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:24:30,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:24:29" (1/3) ... [2020-07-17 17:24:30,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793782d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:24:30, skipping insertion in model container [2020-07-17 17:24:30,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:24:30" (2/3) ... [2020-07-17 17:24:30,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793782d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:24:30, skipping insertion in model container [2020-07-17 17:24:30,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:24:30" (3/3) ... [2020-07-17 17:24:30,828 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2020-07-17 17:24:30,839 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:24:30,848 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 17:24:30,860 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 17:24:30,882 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:24:30,882 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:24:30,883 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:24:30,883 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:24:30,883 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:24:30,883 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:24:30,883 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:24:30,884 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:24:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-07-17 17:24:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-17 17:24:30,918 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:24:30,919 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] [2020-07-17 17:24:30,919 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:24:30,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:24:30,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1065527792, now seen corresponding path program 1 times [2020-07-17 17:24:30,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:24:30,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720202578] [2020-07-17 17:24:30,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:24:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:24:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:24:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:24:31,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720202578] [2020-07-17 17:24:31,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:24:31,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 17:24:31,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428746720] [2020-07-17 17:24:31,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 17:24:31,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:24:31,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 17:24:31,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 17:24:31,245 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-07-17 17:24:31,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:24:31,343 INFO L93 Difference]: Finished difference Result 345 states and 477 transitions. [2020-07-17 17:24:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 17:24:31,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-07-17 17:24:31,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:24:31,362 INFO L225 Difference]: With dead ends: 345 [2020-07-17 17:24:31,363 INFO L226 Difference]: Without dead ends: 240 [2020-07-17 17:24:31,368 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 [2020-07-17 17:24:31,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-07-17 17:24:31,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2020-07-17 17:24:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-17 17:24:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 318 transitions. [2020-07-17 17:24:31,448 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 318 transitions. Word has length 97 [2020-07-17 17:24:31,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:24:31,449 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 318 transitions. [2020-07-17 17:24:31,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 17:24:31,450 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 318 transitions. [2020-07-17 17:24:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-17 17:24:31,458 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:24:31,459 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] [2020-07-17 17:24:31,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:24:31,460 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:24:31,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:24:31,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1065536007, now seen corresponding path program 1 times [2020-07-17 17:24:31,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:24:31,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511848492] [2020-07-17 17:24:31,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:24:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 17:24:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 17:24:31,643 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 17:24:31,643 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 17:24:31,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 17:24:31,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 05:24:31 BoogieIcfgContainer [2020-07-17 17:24:31,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 17:24:31,719 INFO L168 Benchmark]: Toolchain (without parser) took 1900.35 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 105.2 MB in the beginning and 95.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2020-07-17 17:24:31,720 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 17:24:31,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.65 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 93.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-07-17 17:24:31,722 INFO L168 Benchmark]: Boogie Preprocessor took 148.22 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 93.3 MB in the beginning and 181.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2020-07-17 17:24:31,723 INFO L168 Benchmark]: RCFGBuilder took 555.04 ms. Allocated memory is still 203.9 MB. Free memory was 181.4 MB in the beginning and 151.2 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2020-07-17 17:24:31,724 INFO L168 Benchmark]: TraceAbstraction took 896.00 ms. Allocated memory is still 203.9 MB. Free memory was 150.3 MB in the beginning and 95.8 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2020-07-17 17:24:31,728 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.65 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 93.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.22 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 93.3 MB in the beginning and 181.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 555.04 ms. Allocated memory is still 203.9 MB. Free memory was 181.4 MB in the beginning and 151.2 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 896.00 ms. Allocated memory is still 203.9 MB. Free memory was 150.3 MB in the beginning and 95.8 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...