/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --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 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 23:30:24,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 23:30:24,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 23:30:24,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-19 23:30:24,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 23:30:24,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 23:30:24,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 23:30:24,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 23:30:24,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 23:30:24,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 23:30:24,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 23:30:24,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 23:30:24,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 23:30:24,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 23:30:24,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 23:30:24,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 23:30:24,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 23:30:24,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 23:30:24,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 23:30:24,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 23:30:24,924 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 [2020-07-19 23:30:24,943 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 23:30:24,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 23:30:24,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 23:30:24,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 23:30:24,945 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 23:30:24,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 23:30:24,945 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 23:30:24,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 23:30:24,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 23:30:24,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 23:30:24,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 23:30:24,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 23:30:24,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 23:30:24,946 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 23:30:24,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 23:30:24,947 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 23:30:24,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 23:30:24,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 23:30:24,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 23:30:24,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 23:30:24,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 23:30:24,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:30:24,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 23:30:24,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 23:30:24,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 23:30:24,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 23:30:24,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 23:30:24,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 23:30:24,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 23:30:24,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 23:30:25,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 23:30:25,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 23:30:25,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 23:30:25,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 23:30:25,269 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 23:30:25,270 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-07-19 23:30:25,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f22a83d7/e0f1c943830c4d5b99fcdd2f42b4d8e9/FLAGce83784f1 [2020-07-19 23:30:26,052 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 23:30:26,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-07-19 23:30:26,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f22a83d7/e0f1c943830c4d5b99fcdd2f42b4d8e9/FLAGce83784f1 [2020-07-19 23:30:26,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f22a83d7/e0f1c943830c4d5b99fcdd2f42b4d8e9 [2020-07-19 23:30:26,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 23:30:26,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 23:30:26,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 23:30:26,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 23:30:26,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 23:30:26,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:30:26" (1/1) ... [2020-07-19 23:30:26,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3b81ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:26, skipping insertion in model container [2020-07-19 23:30:26,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:30:26" (1/1) ... [2020-07-19 23:30:26,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 23:30:26,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 23:30:26,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:30:26,925 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 23:30:27,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:30:27,076 INFO L208 MainTranslator]: Completed translation [2020-07-19 23:30:27,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:27 WrapperNode [2020-07-19 23:30:27,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 23:30:27,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 23:30:27,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 23:30:27,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 23:30:27,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:27" (1/1) ... [2020-07-19 23:30:27,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:27" (1/1) ... [2020-07-19 23:30:27,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:27" (1/1) ... [2020-07-19 23:30:27,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:27" (1/1) ... [2020-07-19 23:30:27,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:27" (1/1) ... [2020-07-19 23:30:27,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:27" (1/1) ... [2020-07-19 23:30:27,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:27" (1/1) ... [2020-07-19 23:30:27,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 23:30:27,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 23:30:27,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 23:30:27,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 23:30:27,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:27" (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 [2020-07-19 23:30:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 23:30:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 23:30:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 23:30:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 23:30:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 23:30:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 23:30:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 23:30:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 23:30:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 23:30:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 23:30:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 23:30:28,707 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 23:30:28,707 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 23:30:28,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:30:28 BoogieIcfgContainer [2020-07-19 23:30:28,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 23:30:28,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 23:30:28,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 23:30:28,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 23:30:28,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:30:26" (1/3) ... [2020-07-19 23:30:28,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74540f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:30:28, skipping insertion in model container [2020-07-19 23:30:28,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:30:27" (2/3) ... [2020-07-19 23:30:28,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74540f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:30:28, skipping insertion in model container [2020-07-19 23:30:28,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:30:28" (3/3) ... [2020-07-19 23:30:28,730 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-07-19 23:30:28,741 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 23:30:28,754 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 23:30:28,767 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 23:30:28,794 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 23:30:28,794 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 23:30:28,794 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 23:30:28,795 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 23:30:28,795 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 23:30:28,795 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 23:30:28,795 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 23:30:28,795 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 23:30:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-19 23:30:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-19 23:30:28,828 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:28,830 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] [2020-07-19 23:30:28,830 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:28,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:28,836 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-07-19 23:30:28,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:28,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470761453] [2020-07-19 23:30:28,847 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534c856f [2020-07-19 23:30:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:30:29,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470761453] [2020-07-19 23:30:29,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:30:29,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 23:30:29,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192621671] [2020-07-19 23:30:29,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:30:29,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:29,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:30:29,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:30:29,257 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-19 23:30:31,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:31,680 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-07-19 23:30:31,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:30:31,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-07-19 23:30:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:31,702 INFO L225 Difference]: With dead ends: 730 [2020-07-19 23:30:31,702 INFO L226 Difference]: Without dead ends: 447 [2020-07-19 23:30:31,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:30:31,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-19 23:30:31,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-07-19 23:30:31,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-19 23:30:31,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-07-19 23:30:31,803 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 44 [2020-07-19 23:30:31,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:31,804 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-07-19 23:30:31,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:30:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-07-19 23:30:31,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-19 23:30:31,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:31,811 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:30:31,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 23:30:31,811 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:31,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:31,812 INFO L82 PathProgramCache]: Analyzing trace with hash -28440279, now seen corresponding path program 1 times [2020-07-19 23:30:31,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:31,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088837394] [2020-07-19 23:30:31,813 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534c856f [2020-07-19 23:30:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:30:32,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088837394] [2020-07-19 23:30:32,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:30:32,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:30:32,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277884388] [2020-07-19 23:30:32,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:30:32,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:32,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:30:32,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:30:32,134 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-07-19 23:30:33,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:30:33,853 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-07-19 23:30:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 23:30:33,856 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-07-19 23:30:33,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:30:33,861 INFO L225 Difference]: With dead ends: 1041 [2020-07-19 23:30:33,861 INFO L226 Difference]: Without dead ends: 606 [2020-07-19 23:30:33,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-19 23:30:33,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-07-19 23:30:33,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-07-19 23:30:33,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-07-19 23:30:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-07-19 23:30:33,908 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 117 [2020-07-19 23:30:33,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:30:33,909 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-07-19 23:30:33,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:30:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-07-19 23:30:33,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-19 23:30:33,915 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:30:33,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:30:33,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 23:30:33,916 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:30:33,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:30:33,917 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-07-19 23:30:33,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:30:33,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033145571] [2020-07-19 23:30:33,917 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534c856f [2020-07-19 23:30:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:30:34,173 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:30:34,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033145571] [2020-07-19 23:30:34,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692010024] [2020-07-19 23:30:34,174 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2acb68bb No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:30:34,327 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2acb68bb issued 4 check-sat command(s) [2020-07-19 23:30:34,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:30:34,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 23:30:34,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:30:34,416 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:30:34,418 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:30:41,614 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 25 [2020-07-19 23:30:41,715 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-19 23:30:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:30:42,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:30:42,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2020-07-19 23:30:42,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294005760] [2020-07-19 23:30:42,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 23:30:42,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:30:42,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 23:30:42,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=98, Unknown=2, NotChecked=0, Total=132 [2020-07-19 23:30:42,041 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 12 states. [2020-07-19 23:30:51,220 WARN L193 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-07-19 23:31:15,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:31:15,239 INFO L93 Difference]: Finished difference Result 2312 states and 3644 transitions. [2020-07-19 23:31:15,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-19 23:31:15,245 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 123 [2020-07-19 23:31:15,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:31:15,271 INFO L225 Difference]: With dead ends: 2312 [2020-07-19 23:31:15,272 INFO L226 Difference]: Without dead ends: 1699 [2020-07-19 23:31:15,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=139, Invalid=365, Unknown=2, NotChecked=0, Total=506 [2020-07-19 23:31:15,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-07-19 23:31:15,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1488. [2020-07-19 23:31:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2020-07-19 23:31:15,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 2085 transitions. [2020-07-19 23:31:15,405 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 2085 transitions. Word has length 123 [2020-07-19 23:31:15,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:31:15,406 INFO L479 AbstractCegarLoop]: Abstraction has 1488 states and 2085 transitions. [2020-07-19 23:31:15,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 23:31:15,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2085 transitions. [2020-07-19 23:31:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-19 23:31:15,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:31:15,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:31:15,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-19 23:31:15,624 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:31:15,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:31:15,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2020890394, now seen corresponding path program 1 times [2020-07-19 23:31:15,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:31:15,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182366708] [2020-07-19 23:31:15,626 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534c856f [2020-07-19 23:31:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:31:15,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182366708] [2020-07-19 23:31:15,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:31:15,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 23:31:15,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198245634] [2020-07-19 23:31:15,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 23:31:15,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:31:15,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 23:31:15,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:31:15,933 INFO L87 Difference]: Start difference. First operand 1488 states and 2085 transitions. Second operand 7 states. [2020-07-19 23:31:18,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:31:18,097 INFO L93 Difference]: Finished difference Result 3572 states and 5130 transitions. [2020-07-19 23:31:18,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 23:31:18,101 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2020-07-19 23:31:18,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:31:18,112 INFO L225 Difference]: With dead ends: 3572 [2020-07-19 23:31:18,112 INFO L226 Difference]: Without dead ends: 2090 [2020-07-19 23:31:18,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-07-19 23:31:18,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2020-07-19 23:31:18,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 1649. [2020-07-19 23:31:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2020-07-19 23:31:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2346 transitions. [2020-07-19 23:31:18,178 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2346 transitions. Word has length 134 [2020-07-19 23:31:18,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:31:18,178 INFO L479 AbstractCegarLoop]: Abstraction has 1649 states and 2346 transitions. [2020-07-19 23:31:18,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 23:31:18,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2346 transitions. [2020-07-19 23:31:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-19 23:31:18,181 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:31:18,182 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:31:18,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 23:31:18,182 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:31:18,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:31:18,183 INFO L82 PathProgramCache]: Analyzing trace with hash -211665010, now seen corresponding path program 1 times [2020-07-19 23:31:18,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:31:18,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572123967] [2020-07-19 23:31:18,183 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534c856f [2020-07-19 23:31:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:18,401 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:31:18,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572123967] [2020-07-19 23:31:18,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:31:18,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:31:18,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290891692] [2020-07-19 23:31:18,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:31:18,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:31:18,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:31:18,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:31:18,404 INFO L87 Difference]: Start difference. First operand 1649 states and 2346 transitions. Second operand 8 states. [2020-07-19 23:31:21,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:31:21,428 INFO L93 Difference]: Finished difference Result 4768 states and 7019 transitions. [2020-07-19 23:31:21,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 23:31:21,430 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2020-07-19 23:31:21,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:31:21,447 INFO L225 Difference]: With dead ends: 4768 [2020-07-19 23:31:21,447 INFO L226 Difference]: Without dead ends: 3268 [2020-07-19 23:31:21,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-07-19 23:31:21,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3268 states. [2020-07-19 23:31:21,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3268 to 2678. [2020-07-19 23:31:21,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2678 states. [2020-07-19 23:31:21,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2678 states and 3667 transitions. [2020-07-19 23:31:21,547 INFO L78 Accepts]: Start accepts. Automaton has 2678 states and 3667 transitions. Word has length 156 [2020-07-19 23:31:21,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:31:21,548 INFO L479 AbstractCegarLoop]: Abstraction has 2678 states and 3667 transitions. [2020-07-19 23:31:21,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:31:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 3667 transitions. [2020-07-19 23:31:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-19 23:31:21,553 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:31:21,553 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, 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] [2020-07-19 23:31:21,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 23:31:21,554 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:31:21,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:31:21,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times [2020-07-19 23:31:21,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:31:21,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451101064] [2020-07-19 23:31:21,555 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534c856f [2020-07-19 23:31:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:31:21,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451101064] [2020-07-19 23:31:21,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305811895] [2020-07-19 23:31:21,959 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1eaeb8d2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:31:22,147 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1eaeb8d2 issued 4 check-sat command(s) [2020-07-19 23:31:22,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:31:22,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:31:22,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:31:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:31:22,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:31:22,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-07-19 23:31:22,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384547068] [2020-07-19 23:31:22,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 23:31:22,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:31:22,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 23:31:22,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-19 23:31:22,331 INFO L87 Difference]: Start difference. First operand 2678 states and 3667 transitions. Second operand 12 states. [2020-07-19 23:31:27,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:31:27,955 INFO L93 Difference]: Finished difference Result 6699 states and 9403 transitions. [2020-07-19 23:31:27,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-19 23:31:27,956 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 193 [2020-07-19 23:31:27,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:31:27,978 INFO L225 Difference]: With dead ends: 6699 [2020-07-19 23:31:27,978 INFO L226 Difference]: Without dead ends: 4027 [2020-07-19 23:31:27,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=195, Invalid=675, Unknown=0, NotChecked=0, Total=870 [2020-07-19 23:31:27,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4027 states. [2020-07-19 23:31:28,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4027 to 3135. [2020-07-19 23:31:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3135 states. [2020-07-19 23:31:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 3135 states and 4058 transitions. [2020-07-19 23:31:28,097 INFO L78 Accepts]: Start accepts. Automaton has 3135 states and 4058 transitions. Word has length 193 [2020-07-19 23:31:28,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:31:28,098 INFO L479 AbstractCegarLoop]: Abstraction has 3135 states and 4058 transitions. [2020-07-19 23:31:28,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 23:31:28,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 4058 transitions. [2020-07-19 23:31:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-07-19 23:31:28,107 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:31:28,108 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:31:28,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:31:28,323 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:31:28,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:31:28,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times [2020-07-19 23:31:28,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:31:28,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405781355] [2020-07-19 23:31:28,325 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534c856f [2020-07-19 23:31:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:31:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 119 proven. 204 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 23:31:29,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405781355] [2020-07-19 23:31:29,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812411746] [2020-07-19 23:31:29,002 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d5a8d30 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:31:29,161 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d5a8d30 issued 4 check-sat command(s) [2020-07-19 23:31:29,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:31:29,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 23:31:29,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:31:29,220 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-07-19 23:31:29,222 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-19 23:31:29,224 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:31:29,225 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-19 23:31:29,231 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:31:29,239 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:31:29,240 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:31:29,242 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-19 23:31:54,040 WARN L193 SmtUtils]: Spent 24.69 s on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2020-07-19 23:31:54,112 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-19 23:31:54,191 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:31:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 247 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:31:54,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:31:54,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2020-07-19 23:31:54,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642599550] [2020-07-19 23:31:54,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-19 23:31:54,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:31:54,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-19 23:31:54,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-07-19 23:31:54,328 INFO L87 Difference]: Start difference. First operand 3135 states and 4058 transitions. Second operand 16 states. [2020-07-19 23:32:33,559 WARN L193 SmtUtils]: Spent 30.92 s on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-07-19 23:32:41,850 WARN L193 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-07-19 23:33:14,355 WARN L193 SmtUtils]: Spent 32.22 s on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-07-19 23:33:33,016 WARN L193 SmtUtils]: Spent 16.10 s on a formula simplification that was a NOOP. DAG size: 49 [2020-07-19 23:34:05,288 WARN L193 SmtUtils]: Spent 32.17 s on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-07-19 23:34:24,004 WARN L193 SmtUtils]: Spent 16.09 s on a formula simplification that was a NOOP. DAG size: 44 [2020-07-19 23:34:58,694 WARN L193 SmtUtils]: Spent 32.23 s on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-07-19 23:35:13,167 WARN L193 SmtUtils]: Spent 10.13 s on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2020-07-19 23:35:45,441 WARN L193 SmtUtils]: Spent 32.18 s on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-07-19 23:36:01,835 WARN L193 SmtUtils]: Spent 16.09 s on a formula simplification that was a NOOP. DAG size: 48 [2020-07-19 23:36:18,292 WARN L193 SmtUtils]: Spent 16.16 s on a formula simplification that was a NOOP. DAG size: 72 [2020-07-19 23:36:34,959 WARN L193 SmtUtils]: Spent 16.07 s on a formula simplification that was a NOOP. DAG size: 41 [2020-07-19 23:37:09,723 WARN L193 SmtUtils]: Spent 32.15 s on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-07-19 23:37:42,395 WARN L193 SmtUtils]: Spent 32.17 s on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2020-07-19 23:38:18,258 WARN L193 SmtUtils]: Spent 32.14 s on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-07-19 23:38:24,902 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-07-19 23:38:41,091 WARN L193 SmtUtils]: Spent 16.08 s on a formula simplification that was a NOOP. DAG size: 47 [2020-07-19 23:39:14,114 WARN L193 SmtUtils]: Spent 32.18 s on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-07-19 23:39:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:39:17,597 INFO L93 Difference]: Finished difference Result 7414 states and 10277 transitions. [2020-07-19 23:39:17,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2020-07-19 23:39:17,599 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 279 [2020-07-19 23:39:17,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:39:17,625 INFO L225 Difference]: With dead ends: 7414 [2020-07-19 23:39:17,625 INFO L226 Difference]: Without dead ends: 4285 [2020-07-19 23:39:17,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 354 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2920 ImplicationChecksByTransitivity, 434.4s TimeCoverageRelationStatistics Valid=1114, Invalid=7440, Unknown=2, NotChecked=0, Total=8556 [2020-07-19 23:39:17,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4285 states. [2020-07-19 23:39:17,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4285 to 3912. [2020-07-19 23:39:17,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3912 states. [2020-07-19 23:39:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 4514 transitions. [2020-07-19 23:39:17,789 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 4514 transitions. Word has length 279 [2020-07-19 23:39:17,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:39:17,790 INFO L479 AbstractCegarLoop]: Abstraction has 3912 states and 4514 transitions. [2020-07-19 23:39:17,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-19 23:39:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 4514 transitions. [2020-07-19 23:39:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-07-19 23:39:17,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:39:17,800 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:39:18,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:39:18,008 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:39:18,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:39:18,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1813331928, now seen corresponding path program 1 times [2020-07-19 23:39:18,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:39:18,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296113894] [2020-07-19 23:39:18,010 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534c856f [2020-07-19 23:39:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 111 proven. 144 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-07-19 23:39:18,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296113894] [2020-07-19 23:39:18,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787963011] [2020-07-19 23:39:18,376 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b6c1f02 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:39:18,520 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5b6c1f02 issued 4 check-sat command(s) [2020-07-19 23:39:18,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:39:18,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 23:39:18,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:39:18,569 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:39:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-07-19 23:39:18,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:39:18,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2020-07-19 23:39:18,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94284676] [2020-07-19 23:39:18,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:39:18,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:39:18,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:39:18,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:39:18,630 INFO L87 Difference]: Start difference. First operand 3912 states and 4514 transitions. Second operand 5 states. [2020-07-19 23:39:20,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:39:20,612 INFO L93 Difference]: Finished difference Result 7695 states and 8888 transitions. [2020-07-19 23:39:20,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:39:20,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 286 [2020-07-19 23:39:20,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:39:20,629 INFO L225 Difference]: With dead ends: 7695 [2020-07-19 23:39:20,630 INFO L226 Difference]: Without dead ends: 3932 [2020-07-19 23:39:20,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 290 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:39:20,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3932 states. [2020-07-19 23:39:20,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3932 to 3914. [2020-07-19 23:39:20,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3914 states. [2020-07-19 23:39:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 3914 states and 4509 transitions. [2020-07-19 23:39:20,731 INFO L78 Accepts]: Start accepts. Automaton has 3914 states and 4509 transitions. Word has length 286 [2020-07-19 23:39:20,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:39:20,731 INFO L479 AbstractCegarLoop]: Abstraction has 3914 states and 4509 transitions. [2020-07-19 23:39:20,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:39:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3914 states and 4509 transitions. [2020-07-19 23:39:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-07-19 23:39:20,741 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:39:20,743 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:39:20,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:39:20,958 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:39:20,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:39:20,959 INFO L82 PathProgramCache]: Analyzing trace with hash 2082826957, now seen corresponding path program 1 times [2020-07-19 23:39:20,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:39:20,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016026016] [2020-07-19 23:39:20,960 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534c856f [2020-07-19 23:39:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 265 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-07-19 23:39:21,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016026016] [2020-07-19 23:39:21,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185650844] [2020-07-19 23:39:21,553 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@ff29269 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:39:21,714 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@ff29269 issued 4 check-sat command(s) [2020-07-19 23:39:21,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:39:21,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:39:21,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:39:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 270 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-07-19 23:39:21,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:39:21,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-19 23:39:21,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969678303] [2020-07-19 23:39:21,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 23:39:21,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:39:21,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 23:39:21,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-19 23:39:21,813 INFO L87 Difference]: Start difference. First operand 3914 states and 4509 transitions. Second operand 11 states. [2020-07-19 23:39:27,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:39:27,211 INFO L93 Difference]: Finished difference Result 9693 states and 11225 transitions. [2020-07-19 23:39:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 23:39:27,212 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 341 [2020-07-19 23:39:27,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:39:27,226 INFO L225 Difference]: With dead ends: 9693 [2020-07-19 23:39:27,226 INFO L226 Difference]: Without dead ends: 3415 [2020-07-19 23:39:27,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-07-19 23:39:27,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2020-07-19 23:39:27,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 2686. [2020-07-19 23:39:27,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2686 states. [2020-07-19 23:39:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 2890 transitions. [2020-07-19 23:39:27,300 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 2890 transitions. Word has length 341 [2020-07-19 23:39:27,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:39:27,300 INFO L479 AbstractCegarLoop]: Abstraction has 2686 states and 2890 transitions. [2020-07-19 23:39:27,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 23:39:27,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 2890 transitions. [2020-07-19 23:39:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-07-19 23:39:27,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:39:27,313 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-07-19 23:39:27,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:39:27,529 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:39:27,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:39:27,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1873477998, now seen corresponding path program 1 times [2020-07-19 23:39:27,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:39:27,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708180437] [2020-07-19 23:39:27,530 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@534c856f [2020-07-19 23:39:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:39:28,440 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 153 proven. 386 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-19 23:39:28,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708180437] [2020-07-19 23:39:28,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967677398] [2020-07-19 23:39:28,441 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2c41d094 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:39:28,685 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2c41d094 issued 4 check-sat command(s) [2020-07-19 23:39:28,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:39:28,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 23:39:28,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:39:28,757 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:39:28,758 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:39:28,758 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-19 23:39:28,763 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:39:28,764 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:39:28,765 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:39:28,768 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-19 23:39:28,769 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-19 23:39:45,332 WARN L193 SmtUtils]: Spent 16.40 s on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-07-19 23:39:47,434 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-19 23:39:47,705 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 23:39:47,705 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:39:47,706 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:39:47,767 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 23:39:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 466 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-07-19 23:39:47,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:39:47,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 18 [2020-07-19 23:39:47,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565162080] [2020-07-19 23:39:47,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-19 23:39:47,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:39:47,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-19 23:39:47,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2020-07-19 23:39:47,949 INFO L87 Difference]: Start difference. First operand 2686 states and 2890 transitions. Second operand 18 states. [2020-07-19 23:39:59,530 WARN L193 SmtUtils]: Spent 10.15 s on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-07-19 23:40:14,041 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2020-07-19 23:40:20,945 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2020-07-19 23:40:25,653 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-07-19 23:40:41,829 WARN L193 SmtUtils]: Spent 7.75 s on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-07-19 23:40:43,895 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-07-19 23:40:44,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:40:44,713 INFO L93 Difference]: Finished difference Result 6598 states and 7362 transitions. [2020-07-19 23:40:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-19 23:40:44,716 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 401 [2020-07-19 23:40:44,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:40:44,717 INFO L225 Difference]: With dead ends: 6598 [2020-07-19 23:40:44,717 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:40:44,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 425 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 42.5s TimeCoverageRelationStatistics Valid=463, Invalid=1699, Unknown=0, NotChecked=0, Total=2162 [2020-07-19 23:40:44,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:40:44,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:40:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:40:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:40:44,731 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401 [2020-07-19 23:40:44,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:40:44,731 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:40:44,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-19 23:40:44,731 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:40:44,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:40:44,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:40:44,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:40:46,728 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 312 [2020-07-19 23:40:47,288 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 312 [2020-07-19 23:40:47,516 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 31 [2020-07-19 23:40:51,894 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 339 DAG size of output: 75 [2020-07-19 23:40:55,263 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 300 DAG size of output: 74 [2020-07-19 23:40:58,538 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 300 DAG size of output: 74 [2020-07-19 23:40:58,543 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:40:58,544 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-19 23:40:58,544 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:40:58,545 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-19 23:40:58,545 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,546 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,546 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,546 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,546 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,546 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,546 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-19 23:40:58,546 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-19 23:40:58,546 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 23:40:58,547 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-19 23:40:58,547 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-19 23:40:58,547 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-19 23:40:58,548 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-19 23:40:58,548 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-19 23:40:58,548 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-19 23:40:58,548 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-19 23:40:58,549 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-19 23:40:58,549 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,549 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,549 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,549 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,549 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,549 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-19 23:40:58,549 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-19 23:40:58,550 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-19 23:40:58,550 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-19 23:40:58,550 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-19 23:40:58,550 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-19 23:40:58,550 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-19 23:40:58,550 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-19 23:40:58,550 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-19 23:40:58,550 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-19 23:40:58,550 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-19 23:40:58,551 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-19 23:40:58,551 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-19 23:40:58,551 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-07-19 23:40:58,551 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-19 23:40:58,551 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,551 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,551 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,551 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,552 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,552 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-19 23:40:58,552 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 23:40:58,552 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-19 23:40:58,553 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-19 23:40:58,553 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-19 23:40:58,553 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-19 23:40:58,553 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-19 23:40:58,553 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-19 23:40:58,554 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-19 23:40:58,554 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-19 23:40:58,554 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,554 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,554 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,555 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,556 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,556 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-19 23:40:58,556 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-19 23:40:58,557 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-19 23:40:58,557 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-19 23:40:58,557 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-19 23:40:58,557 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-19 23:40:58,557 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-19 23:40:58,557 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-19 23:40:58,557 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-19 23:40:58,557 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-19 23:40:58,557 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-19 23:40:58,558 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-19 23:40:58,558 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-19 23:40:58,558 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,558 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,558 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,558 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,558 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,558 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-19 23:40:58,559 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-19 23:40:58,559 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-19 23:40:58,559 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-19 23:40:58,559 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-19 23:40:58,559 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-19 23:40:58,559 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-19 23:40:58,559 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-19 23:40:58,559 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-19 23:40:58,559 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,560 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,560 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,560 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,560 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,560 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,560 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,560 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-19 23:40:58,560 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-19 23:40:58,560 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-19 23:40:58,561 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-19 23:40:58,561 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-19 23:40:58,561 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-19 23:40:58,561 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 23:40:58,561 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-19 23:40:58,561 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-19 23:40:58,561 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-19 23:40:58,561 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-19 23:40:58,561 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-19 23:40:58,562 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-19 23:40:58,562 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,562 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,562 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,562 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,562 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-19 23:40:58,562 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,562 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,563 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-19 23:40:58,563 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-19 23:40:58,563 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-19 23:40:58,563 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-19 23:40:58,563 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-19 23:40:58,563 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-19 23:40:58,563 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-19 23:40:58,564 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-19 23:40:58,565 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-19 23:40:58,565 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-19 23:40:58,565 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-19 23:40:58,565 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-19 23:40:58,565 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-19 23:40:58,565 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,565 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,565 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,565 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,566 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,566 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,566 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-19 23:40:58,566 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-19 23:40:58,566 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-19 23:40:58,566 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-19 23:40:58,567 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-19 23:40:58,567 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-19 23:40:58,567 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-19 23:40:58,567 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-19 23:40:58,568 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-19 23:40:58,568 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-19 23:40:58,568 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-19 23:40:58,568 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= 9 |old(~a19~0)|))) (let ((.cse5 (= 8 |old(~a19~0)|)) (.cse10 (not .cse0)) (.cse3 (not (<= 2 |old(~a10~0)|))) (.cse8 (= 2 |old(~a10~0)|)) (.cse6 (not (= 0 ~a12~0))) (.cse7 (not (= 14 ~a4~0))) (.cse1 (not (<= |old(~a19~0)| 9))) (.cse12 (and (not (<= |old(~a1~0)| 38)) (not (< 218 |old(~a1~0)|)))) (.cse4 (= 0 |old(~a10~0)|)) (.cse11 (not (<= |old(~a1~0)| 23))) (.cse9 (not (<= |old(~a10~0)| 0))) (.cse2 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1 .cse2) (or .cse6 .cse5 .cse7 .cse1 .cse8 .cse2) (or .cse9 .cse10 .cse2) (or .cse11 .cse10 .cse2) (or .cse9 .cse6 .cse7 .cse1 .cse2) (or .cse1 .cse8 .cse2 .cse3) (or (not (<= 10 |old(~a19~0)|)) .cse4 .cse8 .cse2 (not (<= |old(~a10~0)| 2))) (or (not (<= 23 |old(~a1~0)|)) .cse12 .cse6 .cse7 .cse1 .cse2) (or .cse12 (not (<= 9 |old(~a19~0)|)) (not .cse4) .cse2) (or .cse11 .cse9 .cse2)))) [2020-07-19 23:40:58,568 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-19 23:40:58,568 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-19 23:40:58,568 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-19 23:40:58,569 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,569 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,570 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,570 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,570 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,570 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,570 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-19 23:40:58,571 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 23:40:58,571 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-19 23:40:58,571 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-19 23:40:58,571 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-19 23:40:58,571 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-19 23:40:58,571 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-19 23:40:58,571 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-19 23:40:58,571 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-19 23:40:58,571 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-19 23:40:58,572 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-19 23:40:58,572 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-19 23:40:58,572 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-19 23:40:58,572 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,572 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,572 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,572 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,572 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,572 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,572 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-19 23:40:58,573 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-19 23:40:58,573 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-19 23:40:58,573 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-19 23:40:58,573 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-19 23:40:58,573 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-19 23:40:58,573 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-19 23:40:58,573 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-19 23:40:58,573 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-19 23:40:58,573 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-19 23:40:58,574 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-19 23:40:58,574 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-19 23:40:58,574 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,574 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,574 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,574 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,574 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,574 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-19 23:40:58,574 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-19 23:40:58,574 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-19 23:40:58,575 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-19 23:40:58,575 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-19 23:40:58,575 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-19 23:40:58,575 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-19 23:40:58,575 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-19 23:40:58,575 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-19 23:40:58,575 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-19 23:40:58,575 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-19 23:40:58,575 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-19 23:40:58,576 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-19 23:40:58,576 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:40:58,576 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= ~a19~0 9) (<= 9 ~a19~0) (= 0 ~a12~0) (<= ~a1~0 23) (<= 23 ~a1~0)) [2020-07-19 23:40:58,576 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:40:58,576 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:40:58,576 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-19 23:40:58,576 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-19 23:40:58,577 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse5 (<= ~a10~0 2)) (.cse0 (<= ~a10~0 0)) (.cse6 (not (= 2 ~a10~0))) (.cse7 (or (<= ~a1~0 38) (< 218 ~a1~0))) (.cse3 (<= 2 ~a10~0)) (.cse1 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|)) (.cse4 (not (= 9 ~a19~0))) (.cse8 (= 8 ~a19~0)) (.cse9 (= ~a19~0 |old(~a19~0)|))) (or (not (<= |old(~a1~0)| 23)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a10~0)| 0)) (and (<= 10 ~a19~0) .cse2 .cse5 .cse6 (not (= 0 ~a10~0))) (not (<= 9 |old(~a19~0)|)) (and .cse7 .cse2 .cse5 (<= 23 ~a1~0) .cse6) (and (= 1 ~a10~0) .cse8 (<= 331505 ~a1~0)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse0 (<= ~a1~0 23) .cse2) (and .cse2 .cse9 .cse6) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse1 .cse7 .cse2 .cse3) (and .cse1 .cse2 .cse4 (not .cse8)) (and (= ~a10~0 |old(~a10~0)|) .cse9 (= ~a1~0 |old(~a1~0)|)))) [2020-07-19 23:40:58,577 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-19 23:40:58,577 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-19 23:40:58,577 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse5 (<= ~a10~0 2)) (.cse0 (<= ~a10~0 0)) (.cse6 (not (= 2 ~a10~0))) (.cse7 (or (<= ~a1~0 38) (< 218 ~a1~0))) (.cse3 (<= 2 ~a10~0)) (.cse1 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|)) (.cse4 (not (= 9 ~a19~0))) (.cse8 (= 8 ~a19~0)) (.cse9 (= ~a19~0 |old(~a19~0)|))) (or (not (<= |old(~a1~0)| 23)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a10~0)| 0)) (and (<= 10 ~a19~0) .cse2 .cse5 .cse6 (not (= 0 ~a10~0))) (not (<= 9 |old(~a19~0)|)) (and .cse7 .cse2 .cse5 (<= 23 ~a1~0) .cse6) (and (= 1 ~a10~0) .cse8 (<= 331505 ~a1~0)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse0 (<= ~a1~0 23) .cse2) (and .cse2 .cse9 .cse6) (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse1 .cse7 .cse2 .cse3) (and .cse1 .cse2 .cse4 (not .cse8)) (and (= ~a10~0 |old(~a10~0)|) .cse9 (= ~a1~0 |old(~a1~0)|)))) [2020-07-19 23:40:58,577 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-19 23:40:58,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:40:58 BoogieIcfgContainer [2020-07-19 23:40:58,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:40:58,617 INFO L168 Benchmark]: Toolchain (without parser) took 632363.64 ms. Allocated memory was 144.7 MB in the beginning and 518.5 MB in the end (delta: 373.8 MB). Free memory was 101.0 MB in the beginning and 54.0 MB in the end (delta: 47.1 MB). Peak memory consumption was 443.6 MB. Max. memory is 7.1 GB. [2020-07-19 23:40:58,618 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 23:40:58,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.55 ms. Allocated memory was 144.7 MB in the beginning and 205.0 MB in the end (delta: 60.3 MB). Free memory was 100.6 MB in the beginning and 171.1 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-07-19 23:40:58,619 INFO L168 Benchmark]: Boogie Preprocessor took 148.39 ms. Allocated memory is still 205.0 MB. Free memory was 171.1 MB in the beginning and 165.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-07-19 23:40:58,620 INFO L168 Benchmark]: RCFGBuilder took 1489.93 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 165.8 MB in the beginning and 181.1 MB in the end (delta: -15.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-19 23:40:58,621 INFO L168 Benchmark]: TraceAbstraction took 629895.26 ms. Allocated memory was 237.0 MB in the beginning and 518.5 MB in the end (delta: 281.5 MB). Free memory was 181.1 MB in the beginning and 54.0 MB in the end (delta: 127.1 MB). Peak memory consumption was 431.3 MB. Max. memory is 7.1 GB. [2020-07-19 23:40:58,624 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 144.7 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 821.55 ms. Allocated memory was 144.7 MB in the beginning and 205.0 MB in the end (delta: 60.3 MB). Free memory was 100.6 MB in the beginning and 171.1 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.39 ms. Allocated memory is still 205.0 MB. Free memory was 171.1 MB in the beginning and 165.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1489.93 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 165.8 MB in the beginning and 181.1 MB in the end (delta: -15.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 629895.26 ms. Allocated memory was 237.0 MB in the beginning and 518.5 MB in the end (delta: 281.5 MB). Free memory was 181.1 MB in the beginning and 54.0 MB in the end (delta: 127.1 MB). Peak memory consumption was 431.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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: (((((((((((((((!(\old(a1) <= 23) || ((a10 <= 0 && a19 <= 9) && 0 == \old(a10))) || (((a19 <= 9 && 0 == \old(a10)) && 2 <= a10) && !(9 == a19))) || !(\old(a10) <= 0)) || ((((10 <= a19 && 0 == \old(a10)) && a10 <= 2) && !(2 == a10)) && !(0 == a10))) || !(9 <= \old(a19))) || (((((a1 <= 38 || 218 < a1) && 0 == \old(a10)) && a10 <= 2) && 23 <= a1) && !(2 == a10))) || ((1 == a10 && 8 == a19) && 331505 <= a1)) || !(14 == a4)) || !(\old(a19) <= 9)) || ((a10 <= 0 && a1 <= 23) && 0 == \old(a10))) || ((0 == \old(a10) && a19 == \old(a19)) && !(2 == a10))) || !(23 <= \old(a1))) || !(0 == a12)) || (((a19 <= 9 && (a1 <= 38 || 218 < a1)) && 0 == \old(a10)) && 2 <= a10)) || (((a19 <= 9 && 0 == \old(a10)) && !(9 == a19)) && !(8 == a19))) || ((a10 == \old(a10) && a19 == \old(a19)) && a1 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 616.1s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 555.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 332 SDtfs, 10993 SDslu, 872 SDs, 0 SdLazy, 22621 SolverSat, 3470 SolverUnsat, 27 SolverUnknown, 0 SolverNotchecked, 100.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2011 GetRequests, 1759 SyntacticMatches, 4 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3764 ImplicationChecksByTransitivity, 491.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3914occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 3274 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 202 PreInvPairs, 326 NumberOfFragments, 694 HoareAnnotationTreeSize, 202 FomulaSimplifications, 651354 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 90443 FormulaSimplificationTreeSizeReductionInter, 11.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 55.3s InterpolantComputationTime, 3697 NumberOfCodeBlocks, 3697 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 3681 ConstructedInterpolants, 52 QuantifiedInterpolants, 3135332 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2819 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 2880/3767 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...