/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:29:06,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:29:06,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:29:06,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:29:06,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:29:06,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:29:06,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:29:06,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:29:06,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:29:06,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:29:06,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:29:06,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:29:06,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:29:06,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:29:06,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:29:06,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:29:06,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:29:06,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:29:06,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:29:06,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:29:06,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:29:06,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:29:06,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:29:06,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:29:06,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:29:06,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:29:06,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:29:06,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:29:06,756 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 11:29:06,782 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:29:06,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:29:06,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:29:06,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:29:06,785 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:29:06,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:29:06,786 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:29:06,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:29:06,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:29:06,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:29:06,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:29:06,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:29:06,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:29:06,789 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:29:06,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:29:06,789 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:29:06,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:29:06,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:29:06,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:29:06,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:29:06,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:29:06,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:29:06,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:29:06,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:29:06,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:29:06,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:29:06,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:29:06,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:29:06,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:29:06,793 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 -> NOT_INCREMENTALLY [2020-07-21 11:29:07,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:29:07,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:29:07,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:29:07,108 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:29:07,108 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:29:07,109 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04.c [2020-07-21 11:29:07,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66519280e/5fdef962c0f44a5383350be4acdef470/FLAG4eeee4d82 [2020-07-21 11:29:07,684 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:29:07,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label04.c [2020-07-21 11:29:07,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66519280e/5fdef962c0f44a5383350be4acdef470/FLAG4eeee4d82 [2020-07-21 11:29:08,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66519280e/5fdef962c0f44a5383350be4acdef470 [2020-07-21 11:29:08,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:29:08,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:29:08,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:29:08,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:29:08,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:29:08,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:29:08" (1/1) ... [2020-07-21 11:29:08,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35281e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08, skipping insertion in model container [2020-07-21 11:29:08,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:29:08" (1/1) ... [2020-07-21 11:29:08,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:29:08,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:29:08,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:29:08,638 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:29:08,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:29:08,765 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:29:08,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08 WrapperNode [2020-07-21 11:29:08,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:29:08,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:29:08,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:29:08,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:29:08,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08" (1/1) ... [2020-07-21 11:29:08,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08" (1/1) ... [2020-07-21 11:29:08,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08" (1/1) ... [2020-07-21 11:29:08,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08" (1/1) ... [2020-07-21 11:29:08,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08" (1/1) ... [2020-07-21 11:29:08,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08" (1/1) ... [2020-07-21 11:29:08,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08" (1/1) ... [2020-07-21 11:29:08,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:29:08,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:29:08,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:29:08,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:29:08,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08" (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 11:29:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:29:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:29:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 11:29:08,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:29:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 11:29:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:29:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:29:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 11:29:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:29:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:29:08,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:29:10,238 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:29:10,239 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 11:29:10,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:29:10 BoogieIcfgContainer [2020-07-21 11:29:10,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:29:10,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:29:10,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:29:10,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:29:10,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:29:08" (1/3) ... [2020-07-21 11:29:10,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1a0810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:29:10, skipping insertion in model container [2020-07-21 11:29:10,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:29:08" (2/3) ... [2020-07-21 11:29:10,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1a0810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:29:10, skipping insertion in model container [2020-07-21 11:29:10,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:29:10" (3/3) ... [2020-07-21 11:29:10,260 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label04.c [2020-07-21 11:29:10,271 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:29:10,283 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:29:10,300 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:29:10,329 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:29:10,329 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:29:10,329 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:29:10,330 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:29:10,330 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:29:10,330 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:29:10,331 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:29:10,331 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:29:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-21 11:29:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-21 11:29:10,382 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:29:10,383 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] [2020-07-21 11:29:10,384 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:29:10,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:29:10,392 INFO L82 PathProgramCache]: Analyzing trace with hash -460870769, now seen corresponding path program 1 times [2020-07-21 11:29:10,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:29:10,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835270106] [2020-07-21 11:29:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:29:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:29:10,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:29:10,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:29:10,608 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 11:29:10,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:29:10,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835270106] [2020-07-21 11:29:10,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:29:10,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:29:10,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220216710] [2020-07-21 11:29:10,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:29:10,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:29:10,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:29:10,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:29:10,635 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2020-07-21 11:29:11,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:29:11,590 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2020-07-21 11:29:11,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:29:11,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-07-21 11:29:11,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:29:11,610 INFO L225 Difference]: With dead ends: 571 [2020-07-21 11:29:11,610 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 11:29:11,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:29:11,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 11:29:11,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-07-21 11:29:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-07-21 11:29:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 391 transitions. [2020-07-21 11:29:11,700 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 391 transitions. Word has length 72 [2020-07-21 11:29:11,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:29:11,701 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 391 transitions. [2020-07-21 11:29:11,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:29:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 391 transitions. [2020-07-21 11:29:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-21 11:29:11,714 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:29:11,715 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 11:29:11,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:29:11,929 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:29:11,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:29:11,930 INFO L82 PathProgramCache]: Analyzing trace with hash -2048937230, now seen corresponding path program 1 times [2020-07-21 11:29:11,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:29:11,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362428784] [2020-07-21 11:29:11,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:29:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:29:12,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:29:12,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:29:12,054 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:29:12,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:29:12,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362428784] [2020-07-21 11:29:12,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:29:12,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:29:12,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727307850] [2020-07-21 11:29:12,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:29:12,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:29:12,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:29:12,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:29:12,059 INFO L87 Difference]: Start difference. First operand 294 states and 391 transitions. Second operand 3 states. [2020-07-21 11:29:12,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:29:12,722 INFO L93 Difference]: Finished difference Result 725 states and 1001 transitions. [2020-07-21 11:29:12,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:29:12,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-21 11:29:12,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:29:12,728 INFO L225 Difference]: With dead ends: 725 [2020-07-21 11:29:12,728 INFO L226 Difference]: Without dead ends: 437 [2020-07-21 11:29:12,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:29:12,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-07-21 11:29:12,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2020-07-21 11:29:12,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-21 11:29:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 568 transitions. [2020-07-21 11:29:12,764 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 568 transitions. Word has length 142 [2020-07-21 11:29:12,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:29:12,765 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 568 transitions. [2020-07-21 11:29:12,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:29:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 568 transitions. [2020-07-21 11:29:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-21 11:29:12,768 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:29:12,768 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 11:29:12,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:29:12,982 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:29:12,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:29:12,983 INFO L82 PathProgramCache]: Analyzing trace with hash -731121555, now seen corresponding path program 1 times [2020-07-21 11:29:12,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:29:12,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503127172] [2020-07-21 11:29:12,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-21 11:29:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:29:13,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:29:13,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:29:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:29:13,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:29:13,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503127172] [2020-07-21 11:29:13,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:29:13,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:29:13,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703834178] [2020-07-21 11:29:13,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:29:13,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:29:13,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:29:13,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:29:13,119 INFO L87 Difference]: Start difference. First operand 437 states and 568 transitions. Second operand 3 states. [2020-07-21 11:29:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:29:13,856 INFO L93 Difference]: Finished difference Result 868 states and 1143 transitions. [2020-07-21 11:29:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:29:13,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-07-21 11:29:13,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:29:13,864 INFO L225 Difference]: With dead ends: 868 [2020-07-21 11:29:13,865 INFO L226 Difference]: Without dead ends: 866 [2020-07-21 11:29:13,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:29:13,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-07-21 11:29:13,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2020-07-21 11:29:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2020-07-21 11:29:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1141 transitions. [2020-07-21 11:29:13,927 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1141 transitions. Word has length 151 [2020-07-21 11:29:13,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:29:13,927 INFO L479 AbstractCegarLoop]: Abstraction has 866 states and 1141 transitions. [2020-07-21 11:29:13,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:29:13,928 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1141 transitions. [2020-07-21 11:29:13,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-07-21 11:29:13,931 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:29:13,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 11:29:14,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:29:14,146 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:29:14,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:29:14,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1846169418, now seen corresponding path program 1 times [2020-07-21 11:29:14,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:29:14,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703308208] [2020-07-21 11:29:14,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-21 11:29:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:29:14,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:29:14,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:29:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:29:14,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:29:14,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703308208] [2020-07-21 11:29:14,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:29:14,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:29:14,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113806791] [2020-07-21 11:29:14,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:29:14,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:29:14,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:29:14,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:29:14,334 INFO L87 Difference]: Start difference. First operand 866 states and 1141 transitions. Second operand 5 states. [2020-07-21 11:29:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:29:15,409 INFO L93 Difference]: Finished difference Result 2050 states and 2766 transitions. [2020-07-21 11:29:15,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:29:15,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2020-07-21 11:29:15,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:29:15,422 INFO L225 Difference]: With dead ends: 2050 [2020-07-21 11:29:15,423 INFO L226 Difference]: Without dead ends: 1190 [2020-07-21 11:29:15,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:29:15,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2020-07-21 11:29:15,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1168. [2020-07-21 11:29:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2020-07-21 11:29:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1479 transitions. [2020-07-21 11:29:15,479 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1479 transitions. Word has length 194 [2020-07-21 11:29:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:29:15,481 INFO L479 AbstractCegarLoop]: Abstraction has 1168 states and 1479 transitions. [2020-07-21 11:29:15,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:29:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1479 transitions. [2020-07-21 11:29:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-07-21 11:29:15,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:29:15,486 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 11:29:15,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:29:15,692 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:29:15,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:29:15,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1483140797, now seen corresponding path program 1 times [2020-07-21 11:29:15,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:29:15,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177886731] [2020-07-21 11:29:15,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-21 11:29:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:29:15,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:29:15,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:29:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:29:15,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:29:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:29:16,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177886731] [2020-07-21 11:29:16,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:29:16,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:29:16,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621378738] [2020-07-21 11:29:16,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:29:16,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:29:16,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:29:16,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:29:16,014 INFO L87 Difference]: Start difference. First operand 1168 states and 1479 transitions. Second operand 7 states. [2020-07-21 11:29:17,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:29:17,419 INFO L93 Difference]: Finished difference Result 2928 states and 3742 transitions. [2020-07-21 11:29:17,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 11:29:17,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 224 [2020-07-21 11:29:17,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:29:17,434 INFO L225 Difference]: With dead ends: 2928 [2020-07-21 11:29:17,434 INFO L226 Difference]: Without dead ends: 1766 [2020-07-21 11:29:17,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 443 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 11:29:17,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2020-07-21 11:29:17,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1474. [2020-07-21 11:29:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2020-07-21 11:29:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 1751 transitions. [2020-07-21 11:29:17,508 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 1751 transitions. Word has length 224 [2020-07-21 11:29:17,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:29:17,509 INFO L479 AbstractCegarLoop]: Abstraction has 1474 states and 1751 transitions. [2020-07-21 11:29:17,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:29:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1751 transitions. [2020-07-21 11:29:17,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-21 11:29:17,514 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:29:17,515 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 11:29:17,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:29:17,728 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:29:17,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:29:17,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1576319464, now seen corresponding path program 1 times [2020-07-21 11:29:17,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:29:17,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1605473906] [2020-07-21 11:29:17,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:29:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:29:17,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:29:17,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:29:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-21 11:29:17,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:29:17,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1605473906] [2020-07-21 11:29:17,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:29:17,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:29:17,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044772965] [2020-07-21 11:29:17,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:29:17,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:29:17,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:29:17,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:29:17,893 INFO L87 Difference]: Start difference. First operand 1474 states and 1751 transitions. Second operand 3 states. [2020-07-21 11:29:18,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:29:18,542 INFO L93 Difference]: Finished difference Result 1760 states and 2107 transitions. [2020-07-21 11:29:18,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:29:18,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-07-21 11:29:18,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:29:18,543 INFO L225 Difference]: With dead ends: 1760 [2020-07-21 11:29:18,543 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:29:18,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:29:18,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:29:18,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:29:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:29:18,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:29:18,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2020-07-21 11:29:18,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:29:18,548 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:29:18,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:29:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:29:18,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:29:18,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:29:18,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:29:19,348 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 36 [2020-07-21 11:29:19,477 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:29:19,478 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= ~a19~0 |old(~a19~0)|)) [2020-07-21 11:29:19,478 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:29:19,478 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-21 11:29:19,478 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,478 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,478 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,479 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,479 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,479 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,479 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-21 11:29:19,479 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-21 11:29:19,479 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 11:29:19,479 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-21 11:29:19,480 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 11:29:19,480 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-21 11:29:19,480 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-21 11:29:19,480 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-21 11:29:19,480 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-21 11:29:19,480 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-21 11:29:19,481 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-21 11:29:19,481 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,481 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,481 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,481 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,481 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,481 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-21 11:29:19,481 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-21 11:29:19,482 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-21 11:29:19,483 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2020-07-21 11:29:19,483 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-21 11:29:19,483 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,483 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,483 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,483 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,483 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,483 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-21 11:29:19,484 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 11:29:19,484 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-21 11:29:19,484 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-21 11:29:19,484 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-21 11:29:19,484 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-21 11:29:19,484 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-21 11:29:19,484 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-21 11:29:19,484 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-21 11:29:19,485 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-21 11:29:19,485 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,485 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,485 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,485 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,485 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,485 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-21 11:29:19,485 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-21 11:29:19,486 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-21 11:29:19,486 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-21 11:29:19,486 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-21 11:29:19,486 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-21 11:29:19,486 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-21 11:29:19,486 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-21 11:29:19,486 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-21 11:29:19,487 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-21 11:29:19,487 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-21 11:29:19,487 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-21 11:29:19,487 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-21 11:29:19,487 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,487 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,487 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,487 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,488 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,488 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 11:29:19,488 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-21 11:29:19,488 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-21 11:29:19,488 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 11:29:19,488 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-21 11:29:19,488 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-21 11:29:19,488 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-21 11:29:19,488 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-21 11:29:19,488 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-21 11:29:19,489 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,489 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,489 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,489 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,489 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,489 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,490 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,490 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-21 11:29:19,490 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-21 11:29:19,490 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-21 11:29:19,490 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-21 11:29:19,490 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 11:29:19,491 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-21 11:29:19,491 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 11:29:19,491 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 11:29:19,491 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-21 11:29:19,491 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-21 11:29:19,491 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-21 11:29:19,492 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-21 11:29:19,492 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-21 11:29:19,492 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,492 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,492 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,492 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,493 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-21 11:29:19,493 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,493 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,493 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-21 11:29:19,493 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-21 11:29:19,493 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-21 11:29:19,494 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 11:29:19,494 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 11:29:19,494 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 11:29:19,494 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 11:29:19,494 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 11:29:19,494 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-21 11:29:19,495 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-21 11:29:19,495 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-21 11:29:19,495 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-21 11:29:19,495 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-21 11:29:19,495 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,495 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,496 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,496 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,496 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,496 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,496 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-21 11:29:19,496 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-21 11:29:19,496 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-21 11:29:19,497 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 11:29:19,497 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-21 11:29:19,497 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 11:29:19,497 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 11:29:19,497 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-21 11:29:19,497 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-21 11:29:19,498 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-21 11:29:19,498 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-21 11:29:19,498 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a19~0)| 9))) (.cse3 (not (<= 2 |old(~a10~0)|))) (.cse5 (<= ~a10~0 |old(~a10~0)|)) (.cse0 (<= 7 ~a19~0)) (.cse6 (<= ~a19~0 |old(~a19~0)|)) (.cse1 (not (<= 7 |old(~a19~0)|))) (.cse4 (not (<= |old(~a10~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (<= 8 ~a19~0) (not (<= 8 |old(~a19~0)|)) .cse4) (or (and .cse5 .cse6 (<= 2 ~a10~0)) .cse2 .cse3) (or (not (<= |old(~a10~0)| 0)) (and .cse5 .cse6)) (or (and .cse5 .cse0 .cse6) .cse1 .cse4))) [2020-07-21 11:29:19,498 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-21 11:29:19,499 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-21 11:29:19,499 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-21 11:29:19,499 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,499 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,499 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,499 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,499 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,499 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,500 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-21 11:29:19,500 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 11:29:19,500 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-21 11:29:19,500 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 11:29:19,500 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 11:29:19,500 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-21 11:29:19,500 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-21 11:29:19,501 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-21 11:29:19,501 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-21 11:29:19,501 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-21 11:29:19,501 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-21 11:29:19,501 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-21 11:29:19,501 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-21 11:29:19,501 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,502 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,502 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,502 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,502 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,502 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,502 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-21 11:29:19,502 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-21 11:29:19,503 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-21 11:29:19,503 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 11:29:19,503 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 11:29:19,503 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 11:29:19,503 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 11:29:19,503 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-21 11:29:19,503 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-21 11:29:19,504 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-21 11:29:19,504 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-21 11:29:19,504 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-21 11:29:19,504 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,504 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,504 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,504 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,505 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,505 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-21 11:29:19,505 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-21 11:29:19,505 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-21 11:29:19,505 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-21 11:29:19,505 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 11:29:19,506 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-21 11:29:19,506 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 11:29:19,506 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 11:29:19,506 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-21 11:29:19,506 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-21 11:29:19,506 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-21 11:29:19,506 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-21 11:29:19,507 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-21 11:29:19,507 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:29:19,507 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= ~a19~0 9) (<= 8 ~a19~0)) [2020-07-21 11:29:19,507 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:29:19,507 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:29:19,507 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= ~a10~0 |old(~a10~0)|) (<= 8 ~a19~0) (<= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9))) [2020-07-21 11:29:19,508 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-21 11:29:19,508 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and (<= ~a19~0 9) (<= 2 ~a10~0)) (and (<= 7 ~a19~0) (<= ~a10~0 2))) [2020-07-21 11:29:19,508 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 11:29:19,508 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 11:29:19,508 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and (<= ~a19~0 9) (<= 2 ~a10~0)) (and (<= 7 ~a19~0) (<= ~a10~0 2))) [2020-07-21 11:29:19,508 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-21 11:29:19,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:29:19 BoogieIcfgContainer [2020-07-21 11:29:19,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:29:19,532 INFO L168 Benchmark]: Toolchain (without parser) took 11488.82 ms. Allocated memory was 138.9 MB in the beginning and 361.2 MB in the end (delta: 222.3 MB). Free memory was 101.8 MB in the beginning and 103.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 220.3 MB. Max. memory is 7.1 GB. [2020-07-21 11:29:19,533 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 11:29:19,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.68 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 101.4 MB in the beginning and 171.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-07-21 11:29:19,535 INFO L168 Benchmark]: Boogie Preprocessor took 113.82 ms. Allocated memory is still 205.5 MB. Free memory was 171.8 MB in the beginning and 166.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-21 11:29:19,536 INFO L168 Benchmark]: RCFGBuilder took 1368.45 ms. Allocated memory was 205.5 MB in the beginning and 239.6 MB in the end (delta: 34.1 MB). Free memory was 166.8 MB in the beginning and 181.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:29:19,537 INFO L168 Benchmark]: TraceAbstraction took 9279.38 ms. Allocated memory was 239.6 MB in the beginning and 361.2 MB in the end (delta: 121.6 MB). Free memory was 181.9 MB in the beginning and 103.8 MB in the end (delta: 78.1 MB). Peak memory consumption was 199.7 MB. Max. memory is 7.1 GB. [2020-07-21 11:29:19,542 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.68 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 101.4 MB in the beginning and 171.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.82 ms. Allocated memory is still 205.5 MB. Free memory was 171.8 MB in the beginning and 166.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1368.45 ms. Allocated memory was 205.5 MB in the beginning and 239.6 MB in the end (delta: 34.1 MB). Free memory was 166.8 MB in the beginning and 181.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9279.38 ms. Allocated memory was 239.6 MB in the beginning and 361.2 MB in the end (delta: 121.6 MB). Free memory was 181.9 MB in the beginning and 103.8 MB in the end (delta: 78.1 MB). Peak memory consumption was 199.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: 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: 582]: Loop Invariant Derived loop invariant: ((((a10 <= 0 || !(\old(a10) <= 0)) || !(8 <= \old(a19))) || !(\old(a19) <= 9)) || (a19 <= 9 && 2 <= a10)) || (7 <= a19 && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.4s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 392 SDtfs, 1507 SDslu, 113 SDs, 0 SdLazy, 2766 SolverSat, 790 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1252 GetRequests, 1231 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1474occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 314 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 35 PreInvPairs, 59 NumberOfFragments, 180 HoareAnnotationTreeSize, 35 FomulaSimplifications, 672 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 571 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1024 NumberOfCodeBlocks, 1024 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1241 ConstructedInterpolants, 0 QuantifiedInterpolants, 514713 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1889 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 803/807 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...