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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/locks/test_locks_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:00:16,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:00:16,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:00:16,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:00:17,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:00:17,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:00:17,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:00:17,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:00:17,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:00:17,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:00:17,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:00:17,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:00:17,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:00:17,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:00:17,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:00:17,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:00:17,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:00:17,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:00:17,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:00:17,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:00:17,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:00:17,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:00:17,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:00:17,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:00:17,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:00:17,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:00:17,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:00:17,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:00:17,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:00:17,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:00:17,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:00:17,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:00:17,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:00:17,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:00:17,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:00:17,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:00:17,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:00:17,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:00:17,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:00:17,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:00:17,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:00:17,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:00:17,068 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:00:17,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:00:17,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:00:17,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:00:17,069 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:00:17,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:00:17,070 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:00:17,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:00:17,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:00:17,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:00:17,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:00:17,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:00:17,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:00:17,071 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:00:17,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:00:17,072 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:00:17,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:00:17,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:00:17,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:00:17,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:00:17,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:00:17,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:00:17,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:00:17,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:00:17,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:00:17,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:00:17,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:00:17,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:00:17,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:00:17,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:00:17,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:00:17,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:00:17,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:00:17,124 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:00:17,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2019-09-20 13:00:17,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c742158c0/6d5cf10bd6b249ed92c157fbbea89f4e/FLAG20a2a6f94 [2019-09-20 13:00:17,649 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:00:17,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2019-09-20 13:00:17,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c742158c0/6d5cf10bd6b249ed92c157fbbea89f4e/FLAG20a2a6f94 [2019-09-20 13:00:18,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c742158c0/6d5cf10bd6b249ed92c157fbbea89f4e [2019-09-20 13:00:18,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:00:18,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:00:18,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:00:18,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:00:18,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:00:18,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:00:18" (1/1) ... [2019-09-20 13:00:18,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2e1afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18, skipping insertion in model container [2019-09-20 13:00:18,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:00:18" (1/1) ... [2019-09-20 13:00:18,100 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:00:18,146 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:00:18,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:00:18,405 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:00:18,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:00:18,557 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:00:18,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18 WrapperNode [2019-09-20 13:00:18,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:00:18,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:00:18,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:00:18,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:00:18,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18" (1/1) ... [2019-09-20 13:00:18,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18" (1/1) ... [2019-09-20 13:00:18,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18" (1/1) ... [2019-09-20 13:00:18,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18" (1/1) ... [2019-09-20 13:00:18,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18" (1/1) ... [2019-09-20 13:00:18,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18" (1/1) ... [2019-09-20 13:00:18,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18" (1/1) ... [2019-09-20 13:00:18,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:00:18,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:00:18,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:00:18,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:00:18,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18" (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 [2019-09-20 13:00:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:00:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:00:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:00:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:00:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:00:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:00:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:00:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:00:19,087 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:00:19,087 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:00:19,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:00:19 BoogieIcfgContainer [2019-09-20 13:00:19,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:00:19,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:00:19,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:00:19,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:00:19,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:00:18" (1/3) ... [2019-09-20 13:00:19,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4360d77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:00:19, skipping insertion in model container [2019-09-20 13:00:19,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:18" (2/3) ... [2019-09-20 13:00:19,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4360d77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:00:19, skipping insertion in model container [2019-09-20 13:00:19,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:00:19" (3/3) ... [2019-09-20 13:00:19,097 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2019-09-20 13:00:19,108 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:00:19,116 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:00:19,135 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:00:19,164 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:00:19,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:00:19,165 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:00:19,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:00:19,166 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:00:19,166 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:00:19,166 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:00:19,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:00:19,166 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:00:19,186 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2019-09-20 13:00:19,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-20 13:00:19,192 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:19,193 INFO L407 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] [2019-09-20 13:00:19,195 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:19,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:19,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1694527455, now seen corresponding path program 1 times [2019-09-20 13:00:19,202 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:19,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:19,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:19,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:19,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:19,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:19,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:00:19,417 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:00:19,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:00:19,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:19,435 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 3 states. [2019-09-20 13:00:19,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:19,534 INFO L93 Difference]: Finished difference Result 155 states and 287 transitions. [2019-09-20 13:00:19,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:00:19,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-09-20 13:00:19,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:19,553 INFO L225 Difference]: With dead ends: 155 [2019-09-20 13:00:19,554 INFO L226 Difference]: Without dead ends: 96 [2019-09-20 13:00:19,561 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:19,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-20 13:00:19,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2019-09-20 13:00:19,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-09-20 13:00:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 174 transitions. [2019-09-20 13:00:19,613 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 174 transitions. Word has length 24 [2019-09-20 13:00:19,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:19,613 INFO L475 AbstractCegarLoop]: Abstraction has 94 states and 174 transitions. [2019-09-20 13:00:19,614 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:00:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 174 transitions. [2019-09-20 13:00:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-20 13:00:19,615 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:19,615 INFO L407 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] [2019-09-20 13:00:19,616 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:19,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1694520263, now seen corresponding path program 1 times [2019-09-20 13:00:19,617 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:19,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:19,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:19,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:19,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:19,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:19,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:00:19,722 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:00:19,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:00:19,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:19,725 INFO L87 Difference]: Start difference. First operand 94 states and 174 transitions. Second operand 3 states. [2019-09-20 13:00:19,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:19,759 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2019-09-20 13:00:19,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:00:19,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-09-20 13:00:19,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:19,764 INFO L225 Difference]: With dead ends: 97 [2019-09-20 13:00:19,765 INFO L226 Difference]: Without dead ends: 95 [2019-09-20 13:00:19,766 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:19,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-09-20 13:00:19,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-09-20 13:00:19,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-09-20 13:00:19,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 175 transitions. [2019-09-20 13:00:19,793 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 175 transitions. Word has length 24 [2019-09-20 13:00:19,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:19,794 INFO L475 AbstractCegarLoop]: Abstraction has 95 states and 175 transitions. [2019-09-20 13:00:19,794 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:00:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 175 transitions. [2019-09-20 13:00:19,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-20 13:00:19,795 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:19,796 INFO L407 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] [2019-09-20 13:00:19,796 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:19,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:19,797 INFO L82 PathProgramCache]: Analyzing trace with hash 106179553, now seen corresponding path program 1 times [2019-09-20 13:00:19,798 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:19,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:19,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:19,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:19,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:19,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:19,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:00:19,857 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:00:19,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:00:19,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:19,858 INFO L87 Difference]: Start difference. First operand 95 states and 175 transitions. Second operand 3 states. [2019-09-20 13:00:19,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:19,887 INFO L93 Difference]: Finished difference Result 222 states and 412 transitions. [2019-09-20 13:00:19,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:00:19,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-09-20 13:00:19,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:19,894 INFO L225 Difference]: With dead ends: 222 [2019-09-20 13:00:19,894 INFO L226 Difference]: Without dead ends: 132 [2019-09-20 13:00:19,898 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:19,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-09-20 13:00:19,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2019-09-20 13:00:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-09-20 13:00:19,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 237 transitions. [2019-09-20 13:00:19,913 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 237 transitions. Word has length 24 [2019-09-20 13:00:19,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:19,914 INFO L475 AbstractCegarLoop]: Abstraction has 130 states and 237 transitions. [2019-09-20 13:00:19,914 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:00:19,914 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 237 transitions. [2019-09-20 13:00:19,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-20 13:00:19,915 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:19,915 INFO L407 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] [2019-09-20 13:00:19,915 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:19,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:19,916 INFO L82 PathProgramCache]: Analyzing trace with hash 106172361, now seen corresponding path program 1 times [2019-09-20 13:00:19,916 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:19,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:19,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:19,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:19,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:19,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:19,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:00:19,973 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:00:19,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:00:19,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:19,974 INFO L87 Difference]: Start difference. First operand 130 states and 237 transitions. Second operand 3 states. [2019-09-20 13:00:19,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:19,997 INFO L93 Difference]: Finished difference Result 179 states and 322 transitions. [2019-09-20 13:00:19,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:00:19,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-09-20 13:00:19,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:20,000 INFO L225 Difference]: With dead ends: 179 [2019-09-20 13:00:20,000 INFO L226 Difference]: Without dead ends: 130 [2019-09-20 13:00:20,001 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:20,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-09-20 13:00:20,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2019-09-20 13:00:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-09-20 13:00:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 230 transitions. [2019-09-20 13:00:20,014 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 230 transitions. Word has length 24 [2019-09-20 13:00:20,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:20,014 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 230 transitions. [2019-09-20 13:00:20,014 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:00:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 230 transitions. [2019-09-20 13:00:20,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-20 13:00:20,016 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:20,016 INFO L407 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] [2019-09-20 13:00:20,016 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:20,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:20,017 INFO L82 PathProgramCache]: Analyzing trace with hash -914888801, now seen corresponding path program 1 times [2019-09-20 13:00:20,017 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:20,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:20,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:20,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:20,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 13:00:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 13:00:20,154 INFO L474 BasicCegarLoop]: Counterexample might be feasible [2019-09-20 13:00:20,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:00:20 BoogieIcfgContainer [2019-09-20 13:00:20,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:00:20,234 INFO L168 Benchmark]: Toolchain (without parser) took 2153.68 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 89.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:20,235 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:00:20,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.32 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.8 MB in the beginning and 173.5 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:20,237 INFO L168 Benchmark]: Boogie Preprocessor took 37.20 ms. Allocated memory is still 198.2 MB. Free memory was 173.5 MB in the beginning and 171.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:20,237 INFO L168 Benchmark]: RCFGBuilder took 493.13 ms. Allocated memory is still 198.2 MB. Free memory was 171.5 MB in the beginning and 148.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:20,238 INFO L168 Benchmark]: TraceAbstraction took 1141.51 ms. Allocated memory is still 198.2 MB. Free memory was 148.9 MB in the beginning and 89.9 MB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:20,242 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 475.32 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.8 MB in the beginning and 173.5 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.20 ms. Allocated memory is still 198.2 MB. Free memory was 173.5 MB in the beginning and 171.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 493.13 ms. Allocated memory is still 198.2 MB. Free memory was 171.5 MB in the beginning and 148.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1141.51 ms. Allocated memory is still 198.2 MB. Free memory was 148.9 MB in the beginning and 89.9 MB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 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(); [L7] int lk1; [L9] int p2 = __VERIFIER_nondet_int(); [L10] int lk2; [L12] int p3 = __VERIFIER_nondet_int(); [L13] int lk3; [L15] int p4 = __VERIFIER_nondet_int(); [L16] int lk4; [L18] int p5 = __VERIFIER_nondet_int(); [L19] int lk5; [L21] int p6 = __VERIFIER_nondet_int(); [L22] int lk6; [L24] int p7 = __VERIFIER_nondet_int(); [L25] int lk7; [L27] int p8 = __VERIFIER_nondet_int(); [L28] int lk8; [L30] int p9 = __VERIFIER_nondet_int(); [L31] int lk9; [L33] int p10 = __VERIFIER_nondet_int(); [L34] int lk10; [L36] int p11 = __VERIFIER_nondet_int(); [L37] int lk11; [L39] int p12 = __VERIFIER_nondet_int(); [L40] int lk12; [L42] int p13 = __VERIFIER_nondet_int(); [L43] int lk13; [L45] int p14 = __VERIFIER_nondet_int(); [L46] int lk14; [L49] int cond; VAL [p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L51] COND TRUE 1 [L52] cond = __VERIFIER_nondet_int() [L53] COND FALSE !(cond == 0) [L56] lk1 = 0 [L58] lk2 = 0 [L60] lk3 = 0 [L62] lk4 = 0 [L64] lk5 = 0 [L66] lk6 = 0 [L68] lk7 = 0 [L70] lk8 = 0 [L72] lk9 = 0 [L74] lk10 = 0 [L76] lk11 = 0 [L78] lk12 = 0 [L80] lk13 = 0 [L82] lk14 = 0 VAL [cond=3, 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=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L86] COND FALSE !(p1 != 0) VAL [cond=3, 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=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L90] COND FALSE !(p2 != 0) VAL [cond=3, 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=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L94] COND TRUE p3 != 0 [L95] lk3 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L98] COND TRUE p4 != 0 [L99] lk4 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L102] COND TRUE p5 != 0 [L103] lk5 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L106] COND TRUE p6 != 0 [L107] lk6 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L110] COND TRUE p7 != 0 [L111] lk7 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L114] COND FALSE !(p8 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L118] COND TRUE p9 != 0 [L119] lk9 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L122] COND TRUE p10 != 0 [L123] lk10 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L126] COND TRUE p11 != 0 [L127] lk11 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L130] COND TRUE p12 != 0 [L131] lk12 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L134] COND TRUE p13 != 0 [L135] lk13 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L138] COND TRUE p14 != 0 [L139] lk14 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L144] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L149] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L217] __VERIFIER_error() VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 56 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 458 SDtfs, 227 SDslu, 301 SDs, 0 SdLazy, 20 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=3, 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, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 5382 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...