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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/locks/test_locks_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:49:45,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:49:45,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:49:45,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-09 05:49:45,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 05:49:45,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 05:49:45,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 05:49:45,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 05:49:45,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 05:49:45,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 05:49:45,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 05:49:45,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 05:49:45,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 05:49:45,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 05:49:45,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 05:49:45,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 05:49:45,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-09 05:49:45,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-09 05:49:45,963 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:49:45,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:49:45,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:49:45,964 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:49:45,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:49:45,965 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:49:45,965 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:49:45,966 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:49:45,966 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:49:45,966 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:49:45,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:49:45,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:49:45,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:49:45,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:49:45,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:49:45,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:49:45,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:49:45,968 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:49:45,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:49:45,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:49:45,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:49:45,969 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:49:45,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:49:45,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:49:45,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:49:45,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:49:45,970 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:49:45,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:49:45,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:49:45,971 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:49:46,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:49:46,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:49:46,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:49:46,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:49:46,020 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:49:46,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_15-1.c [2019-09-09 05:49:46,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c936eae8/54962a2e47584914b4ee11ef00c4bccd/FLAG2b1c7a72b [2019-09-09 05:49:46,612 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:49:46,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_15-1.c [2019-09-09 05:49:46,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c936eae8/54962a2e47584914b4ee11ef00c4bccd/FLAG2b1c7a72b [2019-09-09 05:49:46,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c936eae8/54962a2e47584914b4ee11ef00c4bccd [2019-09-09 05:49:46,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:49:46,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:49:46,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:49:46,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:49:46,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:49:46,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:49:46" (1/1) ... [2019-09-09 05:49:46,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff144e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:46, skipping insertion in model container [2019-09-09 05:49:46,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:49:46" (1/1) ... [2019-09-09 05:49:46,942 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:49:46,972 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:49:47,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:49:47,187 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:49:47,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:49:47,248 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:49:47,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:47 WrapperNode [2019-09-09 05:49:47,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:49:47,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:49:47,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:49:47,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:49:47,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:47" (1/1) ... [2019-09-09 05:49:47,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:47" (1/1) ... [2019-09-09 05:49:47,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:47" (1/1) ... [2019-09-09 05:49:47,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:47" (1/1) ... [2019-09-09 05:49:47,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:47" (1/1) ... [2019-09-09 05:49:47,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:47" (1/1) ... [2019-09-09 05:49:47,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:47" (1/1) ... [2019-09-09 05:49:47,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:49:47,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:49:47,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:49:47,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:49:47,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:47" (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 [2019-09-09 05:49:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:49:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:49:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:49:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:49:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 05:49:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:49:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:49:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:49:47,884 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:49:47,885 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-09 05:49:47,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:49:47 BoogieIcfgContainer [2019-09-09 05:49:47,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:49:47,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:49:47,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:49:47,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:49:47,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:49:46" (1/3) ... [2019-09-09 05:49:47,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2282728a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:49:47, skipping insertion in model container [2019-09-09 05:49:47,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:49:47" (2/3) ... [2019-09-09 05:49:47,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2282728a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:49:47, skipping insertion in model container [2019-09-09 05:49:47,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:49:47" (3/3) ... [2019-09-09 05:49:47,893 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_15-1.c [2019-09-09 05:49:47,902 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:49:47,923 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:49:47,936 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:49:47,961 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:49:47,962 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:49:47,962 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:49:47,962 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:49:47,962 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:49:47,963 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:49:47,963 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:49:47,963 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:49:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-09-09 05:49:47,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-09 05:49:47,985 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:49:47,986 INFO L399 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] [2019-09-09 05:49:47,988 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:49:47,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:49:47,993 INFO L82 PathProgramCache]: Analyzing trace with hash -563352914, now seen corresponding path program 1 times [2019-09-09 05:49:47,995 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:49:48,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:49:48,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:49:48,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:49:48,034 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:49:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:49:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:49:48,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:49:48,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:49:48,177 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:49:48,182 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:49:48,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:49:48,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:49:48,197 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 3 states. [2019-09-09 05:49:48,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:49:48,282 INFO L93 Difference]: Finished difference Result 110 states and 196 transitions. [2019-09-09 05:49:48,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:49:48,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-09-09 05:49:48,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:49:48,296 INFO L225 Difference]: With dead ends: 110 [2019-09-09 05:49:48,296 INFO L226 Difference]: Without dead ends: 102 [2019-09-09 05:49:48,298 INFO L628 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 [2019-09-09 05:49:48,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-09-09 05:49:48,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2019-09-09 05:49:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-09-09 05:49:48,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 186 transitions. [2019-09-09 05:49:48,349 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 186 transitions. Word has length 25 [2019-09-09 05:49:48,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:49:48,349 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 186 transitions. [2019-09-09 05:49:48,349 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:49:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 186 transitions. [2019-09-09 05:49:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-09 05:49:48,351 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:49:48,351 INFO L399 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] [2019-09-09 05:49:48,351 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:49:48,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:49:48,352 INFO L82 PathProgramCache]: Analyzing trace with hash -563360106, now seen corresponding path program 1 times [2019-09-09 05:49:48,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:49:48,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:49:48,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:49:48,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:49:48,354 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:49:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:49:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:49:48,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:49:48,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:49:48,437 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:49:48,438 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:49:48,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:49:48,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:49:48,439 INFO L87 Difference]: Start difference. First operand 100 states and 186 transitions. Second operand 3 states. [2019-09-09 05:49:48,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:49:48,469 INFO L93 Difference]: Finished difference Result 101 states and 187 transitions. [2019-09-09 05:49:48,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:49:48,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-09-09 05:49:48,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:49:48,472 INFO L225 Difference]: With dead ends: 101 [2019-09-09 05:49:48,472 INFO L226 Difference]: Without dead ends: 101 [2019-09-09 05:49:48,473 INFO L628 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 [2019-09-09 05:49:48,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-09-09 05:49:48,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-09-09 05:49:48,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-09-09 05:49:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 187 transitions. [2019-09-09 05:49:48,487 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 187 transitions. Word has length 25 [2019-09-09 05:49:48,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:49:48,488 INFO L475 AbstractCegarLoop]: Abstraction has 101 states and 187 transitions. [2019-09-09 05:49:48,488 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:49:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 187 transitions. [2019-09-09 05:49:48,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-09 05:49:48,489 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:49:48,489 INFO L399 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] [2019-09-09 05:49:48,490 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:49:48,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:49:48,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1737469676, now seen corresponding path program 1 times [2019-09-09 05:49:48,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:49:48,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:49:48,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:49:48,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:49:48,491 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:49:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:49:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:49:48,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:49:48,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:49:48,548 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:49:48,548 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:49:48,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:49:48,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:49:48,549 INFO L87 Difference]: Start difference. First operand 101 states and 187 transitions. Second operand 3 states. [2019-09-09 05:49:48,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:49:48,578 INFO L93 Difference]: Finished difference Result 140 states and 254 transitions. [2019-09-09 05:49:48,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:49:48,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-09-09 05:49:48,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:49:48,580 INFO L225 Difference]: With dead ends: 140 [2019-09-09 05:49:48,580 INFO L226 Difference]: Without dead ends: 140 [2019-09-09 05:49:48,581 INFO L628 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 [2019-09-09 05:49:48,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-09-09 05:49:48,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2019-09-09 05:49:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-09 05:49:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 253 transitions. [2019-09-09 05:49:48,593 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 253 transitions. Word has length 25 [2019-09-09 05:49:48,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:49:48,593 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 253 transitions. [2019-09-09 05:49:48,593 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:49:48,594 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 253 transitions. [2019-09-09 05:49:48,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-09 05:49:48,595 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:49:48,595 INFO L399 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] [2019-09-09 05:49:48,595 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:49:48,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:49:48,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1737462484, now seen corresponding path program 1 times [2019-09-09 05:49:48,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:49:48,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:49:48,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:49:48,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:49:48,598 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:49:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:49:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:49:48,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:49:48,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:49:48,668 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:49:48,668 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:49:48,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:49:48,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:49:48,669 INFO L87 Difference]: Start difference. First operand 138 states and 253 transitions. Second operand 3 states. [2019-09-09 05:49:48,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:49:48,704 INFO L93 Difference]: Finished difference Result 138 states and 247 transitions. [2019-09-09 05:49:48,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:49:48,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-09-09 05:49:48,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:49:48,708 INFO L225 Difference]: With dead ends: 138 [2019-09-09 05:49:48,708 INFO L226 Difference]: Without dead ends: 138 [2019-09-09 05:49:48,712 INFO L628 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 [2019-09-09 05:49:48,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-09-09 05:49:48,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2019-09-09 05:49:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-09-09 05:49:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 246 transitions. [2019-09-09 05:49:48,728 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 246 transitions. Word has length 25 [2019-09-09 05:49:48,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:49:48,729 INFO L475 AbstractCegarLoop]: Abstraction has 136 states and 246 transitions. [2019-09-09 05:49:48,729 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:49:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2019-09-09 05:49:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-09-09 05:49:48,730 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:49:48,731 INFO L399 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] [2019-09-09 05:49:48,731 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:49:48,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:49:48,732 INFO L82 PathProgramCache]: Analyzing trace with hash 149121774, now seen corresponding path program 1 times [2019-09-09 05:49:48,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:49:48,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:49:48,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:49:48,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:49:48,734 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:49:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-09 05:49:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-09 05:49:48,845 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-09 05:49:48,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:49:48 BoogieIcfgContainer [2019-09-09 05:49:48,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:49:48,922 INFO L168 Benchmark]: Toolchain (without parser) took 1995.89 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 87.0 MB in the beginning and 91.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 62.7 MB. Max. memory is 7.1 GB. [2019-09-09 05:49:48,923 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-09 05:49:48,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.73 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 75.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-09 05:49:48,925 INFO L168 Benchmark]: Boogie Preprocessor took 136.95 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 75.4 MB in the beginning and 173.9 MB in the end (delta: -98.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-09 05:49:48,927 INFO L168 Benchmark]: RCFGBuilder took 499.42 ms. Allocated memory is still 198.2 MB. Free memory was 173.9 MB in the beginning and 150.5 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-09-09 05:49:48,928 INFO L168 Benchmark]: TraceAbstraction took 1032.32 ms. Allocated memory is still 198.2 MB. Free memory was 149.9 MB in the beginning and 91.4 MB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. [2019-09-09 05:49:48,932 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 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 322.73 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 75.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.95 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 75.4 MB in the beginning and 173.9 MB in the end (delta: -98.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 499.42 ms. Allocated memory is still 198.2 MB. Free memory was 173.9 MB in the beginning and 150.5 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1032.32 ms. Allocated memory is still 198.2 MB. Free memory was 149.9 MB in the beginning and 91.4 MB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 231]: 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; [L48] int p15 = __VERIFIER_nondet_int(); [L49] int lk15; [L52] int cond; VAL [p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L54] COND TRUE 1 [L55] cond = __VERIFIER_nondet_int() [L56] COND FALSE !(cond == 0) [L59] lk1 = 0 [L61] lk2 = 0 [L63] lk3 = 0 [L65] lk4 = 0 [L67] lk5 = 0 [L69] lk6 = 0 [L71] lk7 = 0 [L73] lk8 = 0 [L75] lk9 = 0 [L77] lk10 = 0 [L79] lk11 = 0 [L81] lk12 = 0 [L83] lk13 = 0 [L85] lk14 = 0 [L87] lk15 = 0 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L91] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L95] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L99] COND TRUE p3 != 0 [L100] lk3 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L103] COND TRUE p4 != 0 [L104] lk4 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L107] COND TRUE p5 != 0 [L108] lk5 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L111] COND TRUE p6 != 0 [L112] lk6 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L115] COND TRUE p7 != 0 [L116] lk7 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L119] COND FALSE !(p8 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L123] COND TRUE p9 != 0 [L124] lk9 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L127] COND TRUE p10 != 0 [L128] lk10 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=0, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L131] COND TRUE p11 != 0 [L132] lk11 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L135] COND TRUE p12 != 0 [L136] lk12 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L139] COND TRUE p13 != 0 [L140] lk13 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L143] COND TRUE p14 != 0 [L144] lk14 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L147] COND TRUE p15 != 0 [L148] lk15 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L153] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L158] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=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, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L231] __VERIFIER_error() VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=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, p15=3, 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, 59 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 488 SDtfs, 243 SDslu, 321 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=138occurred 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, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 5952 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...