/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 14:05:02,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 14:05:02,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 14:05:02,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 14:05:02,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 14:05:02,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 14:05:02,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 14:05:02,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 14:05:02,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 14:05:02,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 14:05:02,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 14:05:02,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 14:05:02,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 14:05:02,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 14:05:02,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 14:05:02,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 14:05:02,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 14:05:02,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 14:05:02,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 14:05:02,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 14:05:02,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 14:05:02,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 14:05:02,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 14:05:02,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 14:05:02,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 14:05:02,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 14:05:02,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 14:05:02,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 14:05:02,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 14:05:02,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 14:05:02,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 14:05:02,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 14:05:02,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 14:05:02,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 14:05:02,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 14:05:02,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 14:05:02,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 14:05:02,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 14:05:02,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 14:05:02,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 14:05:02,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 14:05:02,388 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 [2020-07-20 14:05:02,406 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 14:05:02,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 14:05:02,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 14:05:02,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 14:05:02,409 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 14:05:02,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 14:05:02,409 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 14:05:02,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 14:05:02,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 14:05:02,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 14:05:02,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 14:05:02,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 14:05:02,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 14:05:02,411 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 14:05:02,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 14:05:02,411 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 14:05:02,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 14:05:02,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 14:05:02,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 14:05:02,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 14:05:02,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 14:05:02,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:05:02,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 14:05:02,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 14:05:02,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 14:05:02,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 14:05:02,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:05:02,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 14:05:02,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 14:05:02,414 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 -> 4 [2020-07-20 14:05:02,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 14:05:02,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 14:05:02,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 14:05:02,804 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 14:05:02,805 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 14:05:02,806 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label22.c [2020-07-20 14:05:02,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a739133/f08e6219652946609760254e62ac6510/FLAG32bce9d32 [2020-07-20 14:05:03,547 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 14:05:03,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label22.c [2020-07-20 14:05:03,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a739133/f08e6219652946609760254e62ac6510/FLAG32bce9d32 [2020-07-20 14:05:03,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a739133/f08e6219652946609760254e62ac6510 [2020-07-20 14:05:03,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 14:05:03,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 14:05:03,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 14:05:03,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 14:05:03,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 14:05:03,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:05:03" (1/1) ... [2020-07-20 14:05:03,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a621c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:03, skipping insertion in model container [2020-07-20 14:05:03,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:05:03" (1/1) ... [2020-07-20 14:05:03,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 14:05:03,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 14:05:04,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:05:04,531 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 14:05:04,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:05:04,645 INFO L208 MainTranslator]: Completed translation [2020-07-20 14:05:04,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:04 WrapperNode [2020-07-20 14:05:04,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 14:05:04,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 14:05:04,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 14:05:04,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 14:05:04,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:04" (1/1) ... [2020-07-20 14:05:04,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:04" (1/1) ... [2020-07-20 14:05:04,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:04" (1/1) ... [2020-07-20 14:05:04,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:04" (1/1) ... [2020-07-20 14:05:04,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:04" (1/1) ... [2020-07-20 14:05:04,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:04" (1/1) ... [2020-07-20 14:05:04,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:04" (1/1) ... [2020-07-20 14:05:04,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 14:05:04,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 14:05:04,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 14:05:04,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 14:05:04,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:04" (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 [2020-07-20 14:05:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 14:05:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 14:05:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 14:05:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 14:05:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 14:05:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 14:05:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 14:05:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 14:05:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 14:05:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 14:05:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 14:05:06,305 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 14:05:06,306 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 14:05:06,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:05:06 BoogieIcfgContainer [2020-07-20 14:05:06,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 14:05:06,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 14:05:06,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 14:05:06,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 14:05:06,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:05:03" (1/3) ... [2020-07-20 14:05:06,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120e4003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:05:06, skipping insertion in model container [2020-07-20 14:05:06,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:05:04" (2/3) ... [2020-07-20 14:05:06,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120e4003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:05:06, skipping insertion in model container [2020-07-20 14:05:06,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:05:06" (3/3) ... [2020-07-20 14:05:06,324 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label22.c [2020-07-20 14:05:06,337 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 14:05:06,347 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 14:05:06,365 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 14:05:06,399 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 14:05:06,399 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 14:05:06,399 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 14:05:06,400 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 14:05:06,400 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 14:05:06,400 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 14:05:06,400 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 14:05:06,400 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 14:05:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 14:05:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-20 14:05:06,445 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:05:06,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:05:06,447 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:05:06,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:05:06,455 INFO L82 PathProgramCache]: Analyzing trace with hash -185558457, now seen corresponding path program 1 times [2020-07-20 14:05:06,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:05:06,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307865782] [2020-07-20 14:05:06,466 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:05:06,686 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:05:06,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:05:06,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:05:06,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:05:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:05:06,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:05:06,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307865782] [2020-07-20 14:05:06,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:05:06,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:05:06,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130665046] [2020-07-20 14:05:06,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:05:06,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:05:06,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:05:06,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:05:06,870 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-20 14:05:07,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:05:07,905 INFO L93 Difference]: Finished difference Result 572 states and 963 transitions. [2020-07-20 14:05:07,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:05:07,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-07-20 14:05:07,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:05:07,944 INFO L225 Difference]: With dead ends: 572 [2020-07-20 14:05:07,944 INFO L226 Difference]: Without dead ends: 278 [2020-07-20 14:05:07,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:05:07,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-20 14:05:08,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-20 14:05:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-20 14:05:08,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2020-07-20 14:05:08,085 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 133 [2020-07-20 14:05:08,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:05:08,089 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2020-07-20 14:05:08,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:05:08,090 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2020-07-20 14:05:08,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 14:05:08,101 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:05:08,107 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:05:08,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:05:08,321 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:05:08,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:05:08,323 INFO L82 PathProgramCache]: Analyzing trace with hash 2009212688, now seen corresponding path program 1 times [2020-07-20 14:05:08,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:05:08,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865910527] [2020-07-20 14:05:08,325 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 14:05:08,449 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:05:08,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:05:08,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 14:05:08,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:05:08,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:05:08,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:05:08,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865910527] [2020-07-20 14:05:08,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:05:08,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 14:05:08,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763923547] [2020-07-20 14:05:08,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 14:05:08,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:05:08,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 14:05:08,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 14:05:08,557 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 5 states. [2020-07-20 14:05:09,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:05:09,508 INFO L93 Difference]: Finished difference Result 842 states and 1218 transitions. [2020-07-20 14:05:09,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 14:05:09,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-07-20 14:05:09,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:05:09,516 INFO L225 Difference]: With dead ends: 842 [2020-07-20 14:05:09,516 INFO L226 Difference]: Without dead ends: 570 [2020-07-20 14:05:09,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 14:05:09,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-07-20 14:05:09,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 556. [2020-07-20 14:05:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-20 14:05:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 784 transitions. [2020-07-20 14:05:09,574 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 784 transitions. Word has length 143 [2020-07-20 14:05:09,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:05:09,574 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 784 transitions. [2020-07-20 14:05:09,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 14:05:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 784 transitions. [2020-07-20 14:05:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-20 14:05:09,578 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:05:09,578 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:05:09,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:05:09,792 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:05:09,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:05:09,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1632968183, now seen corresponding path program 1 times [2020-07-20 14:05:09,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:05:09,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1126715051] [2020-07-20 14:05:09,796 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:05:09,938 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:05:09,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:05:09,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:05:09,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:05:09,993 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:05:09,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:05:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 14:05:10,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1126715051] [2020-07-20 14:05:10,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:05:10,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 14:05:10,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226033562] [2020-07-20 14:05:10,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 14:05:10,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:05:10,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 14:05:10,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-20 14:05:10,106 INFO L87 Difference]: Start difference. First operand 556 states and 784 transitions. Second operand 8 states. [2020-07-20 14:05:12,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:05:12,279 INFO L93 Difference]: Finished difference Result 2270 states and 3383 transitions. [2020-07-20 14:05:12,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 14:05:12,279 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 163 [2020-07-20 14:05:12,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:05:12,294 INFO L225 Difference]: With dead ends: 2270 [2020-07-20 14:05:12,294 INFO L226 Difference]: Without dead ends: 1720 [2020-07-20 14:05:12,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-07-20 14:05:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2020-07-20 14:05:12,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1390. [2020-07-20 14:05:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1390 states. [2020-07-20 14:05:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1826 transitions. [2020-07-20 14:05:12,370 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1826 transitions. Word has length 163 [2020-07-20 14:05:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:05:12,371 INFO L479 AbstractCegarLoop]: Abstraction has 1390 states and 1826 transitions. [2020-07-20 14:05:12,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 14:05:12,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1826 transitions. [2020-07-20 14:05:12,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-20 14:05:12,377 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:05:12,377 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:05:12,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:05:12,591 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:05:12,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:05:12,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1231231418, now seen corresponding path program 1 times [2020-07-20 14:05:12,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:05:12,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560763891] [2020-07-20 14:05:12,593 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:05:12,752 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:05:12,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:05:12,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:05:12,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:05:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 14:05:12,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 14:05:12,901 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 54 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 14:05:12,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560763891] [2020-07-20 14:05:12,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 14:05:12,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-20 14:05:12,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045806129] [2020-07-20 14:05:12,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 14:05:12,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:05:12,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 14:05:12,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 14:05:12,904 INFO L87 Difference]: Start difference. First operand 1390 states and 1826 transitions. Second operand 7 states. [2020-07-20 14:05:14,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:05:14,552 INFO L93 Difference]: Finished difference Result 4669 states and 6466 transitions. [2020-07-20 14:05:14,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 14:05:14,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-07-20 14:05:14,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:05:14,584 INFO L225 Difference]: With dead ends: 4669 [2020-07-20 14:05:14,585 INFO L226 Difference]: Without dead ends: 3289 [2020-07-20 14:05:14,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 14:05:14,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3289 states. [2020-07-20 14:05:14,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3289 to 2925. [2020-07-20 14:05:14,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2925 states. [2020-07-20 14:05:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 3785 transitions. [2020-07-20 14:05:14,741 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 3785 transitions. Word has length 183 [2020-07-20 14:05:14,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:05:14,743 INFO L479 AbstractCegarLoop]: Abstraction has 2925 states and 3785 transitions. [2020-07-20 14:05:14,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 14:05:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 3785 transitions. [2020-07-20 14:05:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-20 14:05:14,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 14:05:14,756 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 14:05:14,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:05:14,971 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 14:05:14,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 14:05:14,972 INFO L82 PathProgramCache]: Analyzing trace with hash -521993934, now seen corresponding path program 1 times [2020-07-20 14:05:14,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 14:05:14,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529293668] [2020-07-20 14:05:14,974 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:05:15,211 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 14:05:15,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 14:05:15,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 14:05:15,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 14:05:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-20 14:05:15,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 14:05:15,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529293668] [2020-07-20 14:05:15,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 14:05:15,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 14:05:15,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752174248] [2020-07-20 14:05:15,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 14:05:15,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 14:05:15,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 14:05:15,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:05:15,279 INFO L87 Difference]: Start difference. First operand 2925 states and 3785 transitions. Second operand 3 states. [2020-07-20 14:05:15,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 14:05:15,869 INFO L93 Difference]: Finished difference Result 5290 states and 6823 transitions. [2020-07-20 14:05:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 14:05:15,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2020-07-20 14:05:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 14:05:15,872 INFO L225 Difference]: With dead ends: 5290 [2020-07-20 14:05:15,872 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 14:05:15,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 14:05:15,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 14:05:15,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 14:05:15,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 14:05:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 14:05:15,886 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2020-07-20 14:05:15,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 14:05:15,886 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 14:05:15,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 14:05:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 14:05:15,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 14:05:16,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:05:16,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 14:05:16,908 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 42 [2020-07-20 14:05:17,052 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:05:17,052 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (<= ~a16~0 |old(~a16~0)|)) [2020-07-20 14:05:17,052 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:05:17,052 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 14:05:17,052 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 14:05:17,053 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,053 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,053 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,053 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,053 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,053 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,053 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 14:05:17,053 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 14:05:17,054 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 14:05:17,054 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 14:05:17,054 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 14:05:17,054 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 14:05:17,054 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 14:05:17,054 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 14:05:17,055 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 14:05:17,055 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 14:05:17,055 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,055 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,056 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,056 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,056 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,056 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,056 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 14:05:17,056 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 14:05:17,057 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 14:05:17,057 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 14:05:17,057 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 14:05:17,057 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 14:05:17,057 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 14:05:17,057 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 14:05:17,057 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 14:05:17,058 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 14:05:17,058 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 14:05:17,058 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2020-07-20 14:05:17,058 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 14:05:17,058 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 14:05:17,058 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 14:05:17,059 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 14:05:17,059 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,059 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,059 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,059 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,059 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,060 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 14:05:17,060 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 14:05:17,060 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 14:05:17,060 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 14:05:17,060 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 14:05:17,060 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 14:05:17,060 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 14:05:17,061 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 14:05:17,061 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 14:05:17,061 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,061 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,061 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,061 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,061 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,062 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 14:05:17,062 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 14:05:17,062 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 14:05:17,062 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 14:05:17,062 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 14:05:17,062 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 14:05:17,062 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 14:05:17,063 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 14:05:17,063 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 14:05:17,063 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 14:05:17,063 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 14:05:17,063 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 14:05:17,063 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 14:05:17,063 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,064 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,064 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,064 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,064 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,064 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 14:05:17,064 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 14:05:17,065 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 14:05:17,065 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 14:05:17,065 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 14:05:17,065 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 14:05:17,065 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 14:05:17,065 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 14:05:17,065 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 14:05:17,065 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,066 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,066 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,066 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,066 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,066 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,066 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 14:05:17,067 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,067 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 14:05:17,067 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 14:05:17,067 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 14:05:17,067 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 14:05:17,067 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 14:05:17,067 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 14:05:17,067 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 14:05:17,068 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 14:05:17,068 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 14:05:17,068 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 14:05:17,068 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 14:05:17,068 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 14:05:17,068 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 14:05:17,068 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,069 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,069 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,069 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,069 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,069 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 14:05:17,069 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 14:05:17,069 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 14:05:17,069 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 14:05:17,070 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 14:05:17,070 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 14:05:17,070 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 14:05:17,070 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 14:05:17,070 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,070 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,070 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,071 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,071 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,071 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 14:05:17,071 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 14:05:17,071 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 14:05:17,071 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 14:05:17,071 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 14:05:17,072 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 14:05:17,072 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 14:05:17,072 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 14:05:17,072 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 14:05:17,072 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 14:05:17,072 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse7 (not (<= |old(~a8~0)| 13))) (.cse3 (not (<= |old(~a16~0)| 5)))) (let ((.cse0 (<= 5 ~a16~0)) (.cse2 (not (<= 5 |old(~a16~0)|))) (.cse5 (not (<= |old(~a7~0)| 0))) (.cse6 (<= ~a7~0 0)) (.cse1 (and .cse7 (or .cse3 (not (< |old(~a8~0)| 15))))) (.cse4 (not (<= 15 |old(~a8~0)|))) (.cse8 (<= ~a8~0 |old(~a8~0)|)) (.cse9 (<= ~a16~0 |old(~a16~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse5 .cse0 .cse2) (or .cse4 .cse6 .cse5) (or (and (or .cse5 .cse3) (or .cse5 .cse7)) .cse6) (or (and .cse8 .cse9) .cse1) (or .cse4 (and .cse8 .cse9 (<= 15 ~a8~0)))))) [2020-07-20 14:05:17,073 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 14:05:17,073 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,073 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,073 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,073 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,073 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 14:05:17,074 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,074 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,074 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 14:05:17,074 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 14:05:17,074 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 14:05:17,074 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 14:05:17,075 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 14:05:17,075 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 14:05:17,075 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 14:05:17,075 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 14:05:17,075 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 14:05:17,075 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 14:05:17,075 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 14:05:17,076 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 14:05:17,076 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,076 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,076 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,076 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,076 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,077 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 14:05:17,077 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,077 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 14:05:17,077 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 14:05:17,077 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 14:05:17,077 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 14:05:17,077 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 14:05:17,078 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 14:05:17,078 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 14:05:17,078 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 14:05:17,078 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 14:05:17,078 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 14:05:17,078 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 14:05:17,078 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 14:05:17,079 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 14:05:17,079 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 14:05:17,079 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,079 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,079 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,079 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,079 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,079 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 14:05:17,080 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 14:05:17,080 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 14:05:17,080 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 14:05:17,080 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 14:05:17,080 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 14:05:17,080 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 14:05:17,080 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 14:05:17,080 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 14:05:17,081 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 14:05:17,081 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 14:05:17,081 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 14:05:17,081 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0)) [2020-07-20 14:05:17,081 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 14:05:17,081 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 14:05:17,082 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (<= ~a8~0 |old(~a8~0)|) (<= ~a16~0 |old(~a16~0)|) (<= ~a7~0 0) (<= 15 ~a8~0)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5))) [2020-07-20 14:05:17,082 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 14:05:17,082 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (<= ~a16~0 5) (not (<= |old(~a16~0)| 5)) (<= 15 ~a8~0)) [2020-07-20 14:05:17,082 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 14:05:17,082 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 14:05:17,082 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (<= ~a16~0 5) (not (<= |old(~a16~0)| 5)) (<= 15 ~a8~0)) [2020-07-20 14:05:17,082 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 14:05:17,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:05:17 BoogieIcfgContainer [2020-07-20 14:05:17,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 14:05:17,108 INFO L168 Benchmark]: Toolchain (without parser) took 13288.37 ms. Allocated memory was 136.8 MB in the beginning and 385.9 MB in the end (delta: 249.0 MB). Free memory was 99.5 MB in the beginning and 315.3 MB in the end (delta: -215.9 MB). Peak memory consumption was 269.6 MB. Max. memory is 7.1 GB. [2020-07-20 14:05:17,109 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 14:05:17,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.95 ms. Allocated memory was 136.8 MB in the beginning and 203.9 MB in the end (delta: 67.1 MB). Free memory was 99.2 MB in the beginning and 169.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-07-20 14:05:17,111 INFO L168 Benchmark]: Boogie Preprocessor took 131.13 ms. Allocated memory is still 203.9 MB. Free memory was 169.5 MB in the beginning and 164.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-20 14:05:17,112 INFO L168 Benchmark]: RCFGBuilder took 1534.54 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 164.4 MB in the beginning and 176.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-07-20 14:05:17,113 INFO L168 Benchmark]: TraceAbstraction took 10790.79 ms. Allocated memory was 233.8 MB in the beginning and 385.9 MB in the end (delta: 152.0 MB). Free memory was 175.2 MB in the beginning and 315.3 MB in the end (delta: -140.1 MB). Peak memory consumption was 248.4 MB. Max. memory is 7.1 GB. [2020-07-20 14:05:17,117 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 823.95 ms. Allocated memory was 136.8 MB in the beginning and 203.9 MB in the end (delta: 67.1 MB). Free memory was 99.2 MB in the beginning and 169.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.13 ms. Allocated memory is still 203.9 MB. Free memory was 169.5 MB in the beginning and 164.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1534.54 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 164.4 MB in the beginning and 176.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10790.79 ms. Allocated memory was 233.8 MB in the beginning and 385.9 MB in the end (delta: 152.0 MB). Free memory was 175.2 MB in the beginning and 315.3 MB in the end (delta: -140.1 MB). Peak memory consumption was 248.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((a8 <= 13 || !(15 <= \old(a8))) || !(\old(a7) <= 0)) || a16 <= 5) || !(\old(a16) <= 5)) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.7s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 190 SDtfs, 2068 SDslu, 186 SDs, 0 SdLazy, 4218 SolverSat, 805 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1165 GetRequests, 1139 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2925occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 708 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 62 PreInvPairs, 106 NumberOfFragments, 211 HoareAnnotationTreeSize, 62 FomulaSimplifications, 4137 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 648 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 809 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1148 ConstructedInterpolants, 0 QuantifiedInterpolants, 327912 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2188 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 310/335 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...