/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:32:14,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 17:32:14,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 17:32:14,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 17:32:14,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:32:14,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:32:14,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:32:14,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:32:14,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:32:14,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:32:14,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:32:14,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:32:14,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:32:14,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:32:14,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:32:14,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:32:14,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 17:32:14,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 17:32:14,991 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:32:14,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:32:14,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:32:14,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:32:14,993 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:32:14,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:32:14,993 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:32:14,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:32:14,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:32:14,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:32:14,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:32:14,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:32:14,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:32:14,995 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:32:14,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:32:14,995 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:32:14,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:32:14,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:32:14,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:32:14,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:32:14,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:32:14,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:32:14,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:32:14,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:32:14,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:32:14,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:32:14,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:14,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:32:14,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:32:14,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 17:32:15,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:32:15,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:32:15,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:32:15,328 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:32:15,330 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:32:15,332 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-07-20 17:32:15,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba23291fc/a01d7a9fc77349c6bc4a106b5d787eb0/FLAGe74f7110e [2020-07-20 17:32:16,054 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:32:16,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-07-20 17:32:16,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba23291fc/a01d7a9fc77349c6bc4a106b5d787eb0/FLAGe74f7110e [2020-07-20 17:32:16,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba23291fc/a01d7a9fc77349c6bc4a106b5d787eb0 [2020-07-20 17:32:16,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:32:16,256 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:32:16,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:32:16,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:32:16,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:32:16,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:32:16" (1/1) ... [2020-07-20 17:32:16,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3932551c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:16, skipping insertion in model container [2020-07-20 17:32:16,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:32:16" (1/1) ... [2020-07-20 17:32:16,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:32:16,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:32:16,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:32:16,921 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:32:17,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:32:17,191 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:32:17,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:17 WrapperNode [2020-07-20 17:32:17,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:32:17,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:32:17,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:32:17,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:32:17,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:17" (1/1) ... [2020-07-20 17:32:17,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:17" (1/1) ... [2020-07-20 17:32:17,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:17" (1/1) ... [2020-07-20 17:32:17,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:17" (1/1) ... [2020-07-20 17:32:17,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:17" (1/1) ... [2020-07-20 17:32:17,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:17" (1/1) ... [2020-07-20 17:32:17,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:17" (1/1) ... [2020-07-20 17:32:17,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:32:17,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:32:17,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:32:17,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:32:17,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 17:32:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:32:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 17:32:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:32:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:32:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 17:32:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:32:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:32:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:32:18,890 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:32:18,891 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 17:32:18,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:32:18 BoogieIcfgContainer [2020-07-20 17:32:18,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:32:18,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:32:18,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:32:18,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:32:18,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:32:16" (1/3) ... [2020-07-20 17:32:18,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc2df7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:32:18, skipping insertion in model container [2020-07-20 17:32:18,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:17" (2/3) ... [2020-07-20 17:32:18,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc2df7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:32:18, skipping insertion in model container [2020-07-20 17:32:18,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:32:18" (3/3) ... [2020-07-20 17:32:18,913 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2020-07-20 17:32:18,925 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:32:18,936 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:32:18,951 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:32:18,977 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:32:18,978 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:32:18,978 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:32:18,978 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:32:18,979 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:32:18,979 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:32:18,979 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:32:18,979 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:32:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-20 17:32:19,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 17:32:19,009 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:19,010 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] [2020-07-20 17:32:19,010 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:19,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:19,017 INFO L82 PathProgramCache]: Analyzing trace with hash -736368013, now seen corresponding path program 1 times [2020-07-20 17:32:19,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:19,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941103279] [2020-07-20 17:32:19,027 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:19,132 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:19,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:19,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:32:19,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:19,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:32:19,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:32:19,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941103279] [2020-07-20 17:32:19,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:32:19,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:32:19,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325511860] [2020-07-20 17:32:19,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:32:19,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:19,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:32:19,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:19,255 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-07-20 17:32:20,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:20,587 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2020-07-20 17:32:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:32:20,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-07-20 17:32:20,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:20,608 INFO L225 Difference]: With dead ends: 688 [2020-07-20 17:32:20,608 INFO L226 Difference]: Without dead ends: 372 [2020-07-20 17:32:20,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:20,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-07-20 17:32:20,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2020-07-20 17:32:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-20 17:32:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 560 transitions. [2020-07-20 17:32:20,705 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 560 transitions. Word has length 40 [2020-07-20 17:32:20,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:20,706 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 560 transitions. [2020-07-20 17:32:20,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:32:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 560 transitions. [2020-07-20 17:32:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-20 17:32:20,714 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:20,715 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:32:20,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:20,931 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:20,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:20,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1103541129, now seen corresponding path program 1 times [2020-07-20 17:32:20,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:20,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [704810255] [2020-07-20 17:32:20,934 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:21,076 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:21,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:21,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:32:21,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:21,151 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:32:21,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:32:21,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [704810255] [2020-07-20 17:32:21,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:32:21,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:32:21,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94425261] [2020-07-20 17:32:21,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:32:21,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:21,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:32:21,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:21,158 INFO L87 Difference]: Start difference. First operand 372 states and 560 transitions. Second operand 3 states. [2020-07-20 17:32:22,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:22,198 INFO L93 Difference]: Finished difference Result 920 states and 1417 transitions. [2020-07-20 17:32:22,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:32:22,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-07-20 17:32:22,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:22,204 INFO L225 Difference]: With dead ends: 920 [2020-07-20 17:32:22,205 INFO L226 Difference]: Without dead ends: 554 [2020-07-20 17:32:22,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:22,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2020-07-20 17:32:22,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2020-07-20 17:32:22,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-07-20 17:32:22,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 824 transitions. [2020-07-20 17:32:22,253 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 824 transitions. Word has length 119 [2020-07-20 17:32:22,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:22,256 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 824 transitions. [2020-07-20 17:32:22,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:32:22,258 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 824 transitions. [2020-07-20 17:32:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-20 17:32:22,261 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:22,266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:32:22,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:22,481 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:22,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:22,482 INFO L82 PathProgramCache]: Analyzing trace with hash -98825050, now seen corresponding path program 1 times [2020-07-20 17:32:22,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:22,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115160874] [2020-07-20 17:32:22,484 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:22,588 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:22,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:22,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:32:22,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:32:22,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:32:22,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115160874] [2020-07-20 17:32:22,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:32:22,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:32:22,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027552888] [2020-07-20 17:32:22,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:32:22,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:22,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:32:22,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:22,666 INFO L87 Difference]: Start difference. First operand 554 states and 824 transitions. Second operand 3 states. [2020-07-20 17:32:23,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:23,748 INFO L93 Difference]: Finished difference Result 1648 states and 2485 transitions. [2020-07-20 17:32:23,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:32:23,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-07-20 17:32:23,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:23,756 INFO L225 Difference]: With dead ends: 1648 [2020-07-20 17:32:23,757 INFO L226 Difference]: Without dead ends: 1100 [2020-07-20 17:32:23,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 131 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:23,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2020-07-20 17:32:23,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1100. [2020-07-20 17:32:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2020-07-20 17:32:23,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1555 transitions. [2020-07-20 17:32:23,807 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1555 transitions. Word has length 134 [2020-07-20 17:32:23,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:23,808 INFO L479 AbstractCegarLoop]: Abstraction has 1100 states and 1555 transitions. [2020-07-20 17:32:23,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:32:23,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1555 transitions. [2020-07-20 17:32:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-20 17:32:23,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:23,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:32:24,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:24,038 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:24,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:24,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1787764330, now seen corresponding path program 1 times [2020-07-20 17:32:24,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:24,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170397954] [2020-07-20 17:32:24,040 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:24,146 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:24,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:24,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:32:24,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:24,196 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:32:24,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:32:24,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170397954] [2020-07-20 17:32:24,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:32:24,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:32:24,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722686281] [2020-07-20 17:32:24,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:32:24,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:24,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:32:24,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:24,199 INFO L87 Difference]: Start difference. First operand 1100 states and 1555 transitions. Second operand 3 states. [2020-07-20 17:32:25,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:25,204 INFO L93 Difference]: Finished difference Result 3104 states and 4457 transitions. [2020-07-20 17:32:25,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:32:25,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-07-20 17:32:25,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:25,219 INFO L225 Difference]: With dead ends: 3104 [2020-07-20 17:32:25,219 INFO L226 Difference]: Without dead ends: 2010 [2020-07-20 17:32:25,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:25,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2020-07-20 17:32:25,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 2010. [2020-07-20 17:32:25,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2010 states. [2020-07-20 17:32:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 2010 states and 2722 transitions. [2020-07-20 17:32:25,285 INFO L78 Accepts]: Start accepts. Automaton has 2010 states and 2722 transitions. Word has length 180 [2020-07-20 17:32:25,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:25,286 INFO L479 AbstractCegarLoop]: Abstraction has 2010 states and 2722 transitions. [2020-07-20 17:32:25,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:32:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2722 transitions. [2020-07-20 17:32:25,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-07-20 17:32:25,293 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:32:25,293 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:32:25,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:25,508 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:32:25,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:32:25,509 INFO L82 PathProgramCache]: Analyzing trace with hash 245142559, now seen corresponding path program 1 times [2020-07-20 17:32:25,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:32:25,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337698990] [2020-07-20 17:32:25,510 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:25,629 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:32:25,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:32:25,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:32:25,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:32:25,686 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-20 17:32:25,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:32:25,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337698990] [2020-07-20 17:32:25,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:32:25,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:32:25,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359153771] [2020-07-20 17:32:25,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:32:25,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:32:25,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:32:25,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:25,689 INFO L87 Difference]: Start difference. First operand 2010 states and 2722 transitions. Second operand 3 states. [2020-07-20 17:32:26,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:32:26,766 INFO L93 Difference]: Finished difference Result 2920 states and 4055 transitions. [2020-07-20 17:32:26,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:32:26,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-07-20 17:32:26,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:32:26,768 INFO L225 Difference]: With dead ends: 2920 [2020-07-20 17:32:26,768 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 17:32:26,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:32:26,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 17:32:26,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 17:32:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 17:32:26,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 17:32:26,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2020-07-20 17:32:26,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:32:26,779 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 17:32:26,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:32:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 17:32:26,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 17:32:26,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:32:27,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 17:32:27,253 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:32:27,254 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:32:27,254 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:32:27,254 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-20 17:32:27,254 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-20 17:32:27,254 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,255 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,255 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,255 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-20 17:32:27,255 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 17:32:27,255 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 17:32:27,255 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 17:32:27,256 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-20 17:32:27,256 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-20 17:32:27,256 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-20 17:32:27,256 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-20 17:32:27,256 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,256 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,256 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,256 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-20 17:32:27,257 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-20 17:32:27,257 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 17:32:27,257 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 17:32:27,257 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 17:32:27,257 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-20 17:32:27,257 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-20 17:32:27,257 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-20 17:32:27,258 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,258 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,258 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,258 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-20 17:32:27,258 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 17:32:27,258 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 17:32:27,258 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 17:32:27,259 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-20 17:32:27,259 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-20 17:32:27,259 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-20 17:32:27,259 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-20 17:32:27,259 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-20 17:32:27,259 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,259 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,260 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,260 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-20 17:32:27,260 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 17:32:27,260 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 17:32:27,260 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 17:32:27,260 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-20 17:32:27,260 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-20 17:32:27,260 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-20 17:32:27,261 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,261 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,261 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,261 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-20 17:32:27,261 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 17:32:27,261 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 17:32:27,261 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 17:32:27,262 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-20 17:32:27,262 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-20 17:32:27,262 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-20 17:32:27,262 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-20 17:32:27,262 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-20 17:32:27,262 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,262 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,262 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,263 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,263 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-20 17:32:27,263 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 17:32:27,263 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 17:32:27,263 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 17:32:27,263 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-20 17:32:27,263 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-20 17:32:27,264 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-20 17:32:27,264 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-20 17:32:27,264 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,264 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,264 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,264 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 17:32:27,264 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 17:32:27,265 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 17:32:27,265 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-20 17:32:27,265 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-20 17:32:27,265 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-20 17:32:27,265 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-20 17:32:27,265 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-20 17:32:27,266 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,266 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,266 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,266 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-20 17:32:27,266 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-20 17:32:27,266 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 17:32:27,266 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 17:32:27,266 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 17:32:27,267 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-20 17:32:27,267 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (and (or (<= 7 ~a15~0) (not (<= 7 |old(~a15~0)|))) (or (not (<= |old(~a21~0)| 7)) (<= ~a21~0 7)) (or (<= 9 ~a15~0) (not (<= 9 |old(~a15~0)|))) (or (<= 9 ~a21~0) (not (<= 9 |old(~a21~0)|))) (or (< 11 ~a12~0) (not (< 11 |old(~a12~0)|)))) [2020-07-20 17:32:27,267 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-20 17:32:27,267 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-20 17:32:27,267 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,268 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,268 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,268 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 17:32:27,268 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 17:32:27,268 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 17:32:27,268 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-20 17:32:27,268 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-20 17:32:27,268 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-20 17:32:27,269 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-20 17:32:27,269 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-20 17:32:27,269 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,269 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,269 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,269 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-20 17:32:27,269 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-20 17:32:27,270 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 17:32:27,270 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 17:32:27,270 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 17:32:27,270 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-20 17:32:27,270 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-20 17:32:27,270 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-20 17:32:27,270 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,270 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,271 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,271 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-20 17:32:27,271 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 17:32:27,271 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 17:32:27,271 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 17:32:27,271 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-20 17:32:27,271 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-20 17:32:27,272 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-20 17:32:27,272 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-20 17:32:27,272 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,272 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,272 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,272 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-20 17:32:27,272 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 17:32:27,273 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 17:32:27,273 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 17:32:27,273 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-20 17:32:27,273 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-20 17:32:27,273 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-20 17:32:27,273 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-20 17:32:27,273 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,273 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,274 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-20 17:32:27,274 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 17:32:27,274 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 17:32:27,274 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-20 17:32:27,274 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-20 17:32:27,274 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-20 17:32:27,275 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-20 17:32:27,275 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-20 17:32:27,275 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-07-20 17:32:27,275 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,275 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,275 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-20 17:32:27,275 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 17:32:27,276 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 17:32:27,276 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-20 17:32:27,276 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-20 17:32:27,276 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-20 17:32:27,276 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,276 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,276 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-20 17:32:27,277 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-20 17:32:27,277 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 17:32:27,277 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 17:32:27,277 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-20 17:32:27,277 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-20 17:32:27,277 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-20 17:32:27,277 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-20 17:32:27,278 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,278 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,278 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-20 17:32:27,278 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-20 17:32:27,278 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 17:32:27,278 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 17:32:27,278 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-20 17:32:27,278 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-20 17:32:27,278 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-20 17:32:27,279 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,279 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,279 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,279 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-20 17:32:27,279 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-20 17:32:27,279 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 17:32:27,279 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 17:32:27,279 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-20 17:32:27,280 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-20 17:32:27,280 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,280 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,280 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 17:32:27,280 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,280 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-20 17:32:27,280 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-20 17:32:27,280 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-20 17:32:27,280 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 17:32:27,281 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 17:32:27,281 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 17:32:27,281 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-20 17:32:27,281 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-20 17:32:27,281 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-20 17:32:27,281 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-20 17:32:27,281 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,281 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,282 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,282 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-20 17:32:27,282 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 17:32:27,282 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 17:32:27,282 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 17:32:27,282 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-20 17:32:27,282 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-20 17:32:27,282 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-20 17:32:27,282 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-20 17:32:27,283 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,283 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,283 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,283 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-20 17:32:27,283 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-20 17:32:27,283 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 17:32:27,283 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 17:32:27,283 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 17:32:27,283 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-20 17:32:27,284 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-20 17:32:27,284 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-20 17:32:27,284 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,284 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,284 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,284 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-20 17:32:27,284 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 17:32:27,284 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 17:32:27,284 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 17:32:27,285 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-20 17:32:27,285 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-20 17:32:27,285 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-20 17:32:27,285 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-20 17:32:27,285 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-20 17:32:27,285 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,285 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,285 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 17:32:27,285 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-20 17:32:27,286 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 17:32:27,286 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 17:32:27,286 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 17:32:27,286 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-20 17:32:27,286 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:32:27,286 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a15~0) (<= ~a21~0 7)) [2020-07-20 17:32:27,286 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:32:27,287 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:32:27,287 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a21~0)| 7)) (and (<= 7 ~a15~0) (<= ~a21~0 7))) [2020-07-20 17:32:27,287 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-20 17:32:27,287 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= 7 ~a15~0) (< 11 ~a12~0) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a21~0)| 7)) (<= 9 ~a21~0) (<= ~a21~0 7)) [2020-07-20 17:32:27,287 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-20 17:32:27,287 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-20 17:32:27,287 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= 7 ~a15~0) (< 11 ~a12~0) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a21~0)| 7)) (<= 9 ~a21~0) (<= ~a21~0 7)) [2020-07-20 17:32:27,288 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-20 17:32:27,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:32:27 BoogieIcfgContainer [2020-07-20 17:32:27,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:32:27,311 INFO L168 Benchmark]: Toolchain (without parser) took 11056.37 ms. Allocated memory was 144.7 MB in the beginning and 330.8 MB in the end (delta: 186.1 MB). Free memory was 101.0 MB in the beginning and 146.0 MB in the end (delta: -45.0 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. [2020-07-20 17:32:27,312 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 144.7 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 17:32:27,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 933.49 ms. Allocated memory was 144.7 MB in the beginning and 206.0 MB in the end (delta: 61.3 MB). Free memory was 100.6 MB in the beginning and 169.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2020-07-20 17:32:27,314 INFO L168 Benchmark]: Boogie Preprocessor took 147.76 ms. Allocated memory is still 206.0 MB. Free memory was 169.5 MB in the beginning and 163.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-07-20 17:32:27,315 INFO L168 Benchmark]: RCFGBuilder took 1562.15 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 163.7 MB in the beginning and 158.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-07-20 17:32:27,316 INFO L168 Benchmark]: TraceAbstraction took 8403.72 ms. Allocated memory was 238.0 MB in the beginning and 330.8 MB in the end (delta: 92.8 MB). Free memory was 158.4 MB in the beginning and 146.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. [2020-07-20 17:32:27,324 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 144.7 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 933.49 ms. Allocated memory was 144.7 MB in the beginning and 206.0 MB in the end (delta: 61.3 MB). Free memory was 100.6 MB in the beginning and 169.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.76 ms. Allocated memory is still 206.0 MB. Free memory was 169.5 MB in the beginning and 163.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1562.15 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 163.7 MB in the beginning and 158.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8403.72 ms. Allocated memory was 238.0 MB in the beginning and 330.8 MB in the end (delta: 92.8 MB). Free memory was 158.4 MB in the beginning and 146.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 880]: Loop Invariant Derived loop invariant: ((((7 <= a15 || 11 < a12) || !(7 <= \old(a15))) || !(\old(a21) <= 7)) || 9 <= a21) || a21 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.0s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1017 SDtfs, 798 SDslu, 65 SDs, 0 SdLazy, 2718 SolverSat, 484 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 692 GetRequests, 686 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2010occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 34 PreInvPairs, 66 NumberOfFragments, 108 HoareAnnotationTreeSize, 34 FomulaSimplifications, 216 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 240 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 697 NumberOfCodeBlocks, 697 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 692 ConstructedInterpolants, 0 QuantifiedInterpolants, 164806 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1411 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 244/244 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...