/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 13:40:08,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 13:40:08,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 13:40:08,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-21 13:40:08,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 13:40:08,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 13:40:08,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 13:40:08,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 13:40:08,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 13:40:08,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 13:40:08,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 13:40:08,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 13:40:08,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 13:40:08,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 13:40:08,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 13:40:08,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 13:40:08,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 13:40:08,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 13:40:08,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 13:40:08,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 13:40:08,453 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 [2020-07-21 13:40:08,468 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 13:40:08,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 13:40:08,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 13:40:08,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 13:40:08,473 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 13:40:08,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 13:40:08,474 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 13:40:08,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 13:40:08,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 13:40:08,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 13:40:08,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 13:40:08,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 13:40:08,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 13:40:08,475 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 13:40:08,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 13:40:08,475 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 13:40:08,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 13:40:08,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 13:40:08,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 13:40:08,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 13:40:08,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 13:40:08,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 13:40:08,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 13:40:08,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 13:40:08,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 13:40:08,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 13:40:08,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:40:08,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 13:40:08,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 13:40:08,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 13:40:08,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 13:40:08,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 13:40:08,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 13:40:08,809 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 13:40:08,809 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 13:40:08,810 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.c_1.i [2020-07-21 13:40:08,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a760ebf90/1480805b24f64bcb87686653c420c424/FLAG85ae0e0cb [2020-07-21 13:40:09,366 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 13:40:09,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct.c_1.i [2020-07-21 13:40:09,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a760ebf90/1480805b24f64bcb87686653c420c424/FLAG85ae0e0cb [2020-07-21 13:40:09,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a760ebf90/1480805b24f64bcb87686653c420c424 [2020-07-21 13:40:09,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 13:40:09,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 13:40:09,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 13:40:09,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 13:40:09,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 13:40:09,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:40:09" (1/1) ... [2020-07-21 13:40:09,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df9bfd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:09, skipping insertion in model container [2020-07-21 13:40:09,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:40:09" (1/1) ... [2020-07-21 13:40:09,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 13:40:09,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 13:40:09,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:40:09,991 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 13:40:10,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 13:40:10,026 INFO L208 MainTranslator]: Completed translation [2020-07-21 13:40:10,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:10 WrapperNode [2020-07-21 13:40:10,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 13:40:10,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 13:40:10,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 13:40:10,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 13:40:10,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:10" (1/1) ... [2020-07-21 13:40:10,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:10" (1/1) ... [2020-07-21 13:40:10,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:10" (1/1) ... [2020-07-21 13:40:10,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:10" (1/1) ... [2020-07-21 13:40:10,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:10" (1/1) ... [2020-07-21 13:40:10,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:10" (1/1) ... [2020-07-21 13:40:10,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:10" (1/1) ... [2020-07-21 13:40:10,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 13:40:10,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 13:40:10,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 13:40:10,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 13:40:10,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 13:40:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 13:40:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 13:40:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2020-07-21 13:40:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-07-21 13:40:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-07-21 13:40:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 13:40:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 13:40:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure err [2020-07-21 13:40:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-07-21 13:40:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 13:40:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 13:40:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-07-21 13:40:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 13:40:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 13:40:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 13:40:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 13:40:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 13:40:10,429 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 13:40:10,430 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 13:40:10,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:40:10 BoogieIcfgContainer [2020-07-21 13:40:10,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 13:40:10,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 13:40:10,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 13:40:10,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 13:40:10,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:40:09" (1/3) ... [2020-07-21 13:40:10,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfd6995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:40:10, skipping insertion in model container [2020-07-21 13:40:10,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:40:10" (2/3) ... [2020-07-21 13:40:10,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfd6995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:40:10, skipping insertion in model container [2020-07-21 13:40:10,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:40:10" (3/3) ... [2020-07-21 13:40:10,444 INFO L109 eAbstractionObserver]: Analyzing ICFG mutex_lock_struct.c_1.i [2020-07-21 13:40:10,456 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 13:40:10,464 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 13:40:10,484 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 13:40:10,528 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 13:40:10,532 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 13:40:10,532 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 13:40:10,532 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 13:40:10,532 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 13:40:10,533 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 13:40:10,533 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 13:40:10,533 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 13:40:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-07-21 13:40:10,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-21 13:40:10,589 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:40:10,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:40:10,590 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:40:10,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:40:10,597 INFO L82 PathProgramCache]: Analyzing trace with hash 589228543, now seen corresponding path program 1 times [2020-07-21 13:40:10,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:40:10,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627251933] [2020-07-21 13:40:10,609 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:40:10,701 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 13:40:10,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:40:10,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 13:40:10,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:40:10,787 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-07-21 13:40:10,787 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 13:40:10,807 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 13:40:10,807 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 13:40:10,808 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-07-21 13:40:10,861 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-07-21 13:40:10,862 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 13:40:10,866 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 13:40:10,867 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 13:40:10,868 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2020-07-21 13:40:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:40:10,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:40:10,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627251933] [2020-07-21 13:40:10,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:40:10,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 13:40:10,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692648354] [2020-07-21 13:40:10,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 13:40:10,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:40:10,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 13:40:10,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 13:40:10,918 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 5 states. [2020-07-21 13:40:11,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:40:11,014 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2020-07-21 13:40:11,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 13:40:11,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-07-21 13:40:11,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:40:11,023 INFO L225 Difference]: With dead ends: 46 [2020-07-21 13:40:11,024 INFO L226 Difference]: Without dead ends: 18 [2020-07-21 13:40:11,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 13:40:11,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-07-21 13:40:11,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-07-21 13:40:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-21 13:40:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2020-07-21 13:40:11,068 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 11 [2020-07-21 13:40:11,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:40:11,069 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2020-07-21 13:40:11,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 13:40:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2020-07-21 13:40:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-21 13:40:11,071 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 13:40:11,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 13:40:11,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:40:11,277 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 13:40:11,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 13:40:11,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1259031447, now seen corresponding path program 1 times [2020-07-21 13:40:11,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 13:40:11,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335157901] [2020-07-21 13:40:11,280 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:40:11,327 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 13:40:11,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 13:40:11,329 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 13:40:11,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 13:40:11,357 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-07-21 13:40:11,358 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 13:40:11,362 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 13:40:11,362 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 13:40:11,363 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-07-21 13:40:11,423 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-07-21 13:40:11,424 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 13:40:11,428 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 13:40:11,428 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 13:40:11,429 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2020-07-21 13:40:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 13:40:11,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 13:40:11,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335157901] [2020-07-21 13:40:11,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 13:40:11,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 13:40:11,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643599549] [2020-07-21 13:40:11,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 13:40:11,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 13:40:11,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 13:40:11,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-21 13:40:11,447 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 7 states. [2020-07-21 13:40:11,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 13:40:11,504 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-07-21 13:40:11,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 13:40:11,505 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-07-21 13:40:11,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 13:40:11,506 INFO L225 Difference]: With dead ends: 18 [2020-07-21 13:40:11,506 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 13:40:11,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-21 13:40:11,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 13:40:11,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 13:40:11,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 13:40:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 13:40:11,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-07-21 13:40:11,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 13:40:11,509 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 13:40:11,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 13:40:11,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 13:40:11,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 13:40:11,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 13:40:11,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 13:40:11,799 INFO L264 CegarLoopResult]: At program point mutex_unlockENTRY(lines 25 29) the Hoare annotation is: (or (not (= 1 (select (select |old(#memory_int)| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|))) (= (select (select |#memory_int| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|) 1)) [2020-07-21 13:40:11,799 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-07-21 13:40:11,800 INFO L268 CegarLoopResult]: For program point mutex_unlockEXIT(lines 25 29) no Hoare annotation was computed. [2020-07-21 13:40:11,800 INFO L264 CegarLoopResult]: At program point L27-1(line 27) the Hoare annotation is: (not (= 1 (select (select |old(#memory_int)| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|))) [2020-07-21 13:40:11,800 INFO L268 CegarLoopResult]: For program point L27-3(line 27) no Hoare annotation was computed. [2020-07-21 13:40:11,800 INFO L268 CegarLoopResult]: For program point mutex_unlockFINAL(lines 25 29) no Hoare annotation was computed. [2020-07-21 13:40:11,800 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:40:11,800 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 13:40:11,801 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:40:11,801 INFO L268 CegarLoopResult]: For program point errErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-07-21 13:40:11,801 INFO L268 CegarLoopResult]: For program point errEXIT(lines 12 13) no Hoare annotation was computed. [2020-07-21 13:40:11,801 INFO L271 CegarLoopResult]: At program point errENTRY(lines 12 13) the Hoare annotation is: true [2020-07-21 13:40:11,801 INFO L268 CegarLoopResult]: For program point errFINAL(lines 12 13) no Hoare annotation was computed. [2020-07-21 13:40:11,802 INFO L264 CegarLoopResult]: At program point mutex_lockENTRY(lines 19 23) the Hoare annotation is: (or (= (select (select |#memory_int| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|) 0) (not (= 0 (select (select |old(#memory_int)| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|)))) [2020-07-21 13:40:11,802 INFO L268 CegarLoopResult]: For program point mutex_lockFINAL(lines 19 23) no Hoare annotation was computed. [2020-07-21 13:40:11,802 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-07-21 13:40:11,802 INFO L268 CegarLoopResult]: For program point mutex_lockEXIT(lines 19 23) no Hoare annotation was computed. [2020-07-21 13:40:11,802 INFO L264 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: (not (= 0 (select (select |old(#memory_int)| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|))) [2020-07-21 13:40:11,803 INFO L268 CegarLoopResult]: For program point L21-3(line 21) no Hoare annotation was computed. [2020-07-21 13:40:11,803 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 13:40:11,803 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 13:40:11,803 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 13:40:11,803 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 13:40:11,804 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 31 43) the Hoare annotation is: true [2020-07-21 13:40:11,804 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 31 43) no Hoare annotation was computed. [2020-07-21 13:40:11,804 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 31 43) no Hoare annotation was computed. [2020-07-21 13:40:11,804 INFO L268 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-07-21 13:40:11,804 INFO L264 CegarLoopResult]: At program point L36(line 36) the Hoare annotation is: (= 0 (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|)) [2020-07-21 13:40:11,805 INFO L264 CegarLoopResult]: At program point L36-1(line 36) the Hoare annotation is: (= 1 (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|)) [2020-07-21 13:40:11,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:40:11 BoogieIcfgContainer [2020-07-21 13:40:11,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 13:40:11,814 INFO L168 Benchmark]: Toolchain (without parser) took 2058.53 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 101.9 MB in the beginning and 99.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 58.9 MB. Max. memory is 7.1 GB. [2020-07-21 13:40:11,815 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 13:40:11,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.67 ms. Allocated memory is still 144.2 MB. Free memory was 101.5 MB in the beginning and 91.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-21 13:40:11,817 INFO L168 Benchmark]: Boogie Preprocessor took 140.39 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 91.7 MB in the beginning and 178.4 MB in the end (delta: -86.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-21 13:40:11,818 INFO L168 Benchmark]: RCFGBuilder took 265.77 ms. Allocated memory is still 200.3 MB. Free memory was 178.4 MB in the beginning and 164.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2020-07-21 13:40:11,819 INFO L168 Benchmark]: TraceAbstraction took 1376.01 ms. Allocated memory is still 200.3 MB. Free memory was 164.0 MB in the beginning and 99.1 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 7.1 GB. [2020-07-21 13:40:11,822 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 268.67 ms. Allocated memory is still 144.2 MB. Free memory was 101.5 MB in the beginning and 91.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.39 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 91.7 MB in the beginning and 178.4 MB in the end (delta: -86.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 265.77 ms. Allocated memory is still 200.3 MB. Free memory was 178.4 MB in the beginning and 164.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1376.01 ms. Allocated memory is still 200.3 MB. Free memory was 164.0 MB in the beginning and 99.1 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 33 SDtfs, 4 SDslu, 96 SDs, 0 SdLazy, 40 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 67 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 28 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1104 SizeOfPredicates, 14 NumberOfNonLiveVariables, 99 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...