/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 BIGGEST_EQUIVALENCE_CLASS --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/Problem02_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 01:25:17,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 01:25:17,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 01:25:17,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-21 01:25:18,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:25:18,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:25:18,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:25:18,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:25:18,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:25:18,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:25:18,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:25:18,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:25:18,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:25:18,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:25:18,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:25:18,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:25:18,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 01:25:18,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 01:25:18,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 01:25:18,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 01:25:18,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 01:25:18,101 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:25:18,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:25:18,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:25:18,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:25:18,103 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:25:18,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:25:18,106 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:25:18,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:25:18,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:25:18,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:25:18,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:25:18,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:25:18,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:25:18,109 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:25:18,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:25:18,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:25:18,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:25:18,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:25:18,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:25:18,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:25:18,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:25:18,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:25:18,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:25:18,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:25:18,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:25:18,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:25:18,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:18,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:25:18,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:25:18,113 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 -> BIGGEST_EQUIVALENCE_CLASS 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 [2020-07-21 01:25:18,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:25:18,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:25:18,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:25:18,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:25:18,418 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:25:18,418 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2020-07-21 01:25:18,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5435270a3/58a517ae5be3417d8e681376a9d6352b/FLAG09714962e [2020-07-21 01:25:19,075 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:25:19,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2020-07-21 01:25:19,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5435270a3/58a517ae5be3417d8e681376a9d6352b/FLAG09714962e [2020-07-21 01:25:19,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5435270a3/58a517ae5be3417d8e681376a9d6352b [2020-07-21 01:25:19,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:25:19,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:25:19,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:25:19,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:25:19,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:25:19,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:25:19" (1/1) ... [2020-07-21 01:25:19,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288eceee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:19, skipping insertion in model container [2020-07-21 01:25:19,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:25:19" (1/1) ... [2020-07-21 01:25:19,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:25:19,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:25:20,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:25:20,014 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:25:20,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:25:20,115 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:25:20,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:20 WrapperNode [2020-07-21 01:25:20,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:25:20,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:25:20,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:25:20,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:25:20,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:20" (1/1) ... [2020-07-21 01:25:20,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:20" (1/1) ... [2020-07-21 01:25:20,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:20" (1/1) ... [2020-07-21 01:25:20,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:20" (1/1) ... [2020-07-21 01:25:20,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:20" (1/1) ... [2020-07-21 01:25:20,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:20" (1/1) ... [2020-07-21 01:25:20,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:20" (1/1) ... [2020-07-21 01:25:20,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:25:20,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:25:20,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:25:20,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:25:20,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:25:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:25:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:25:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 01:25:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:25:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 01:25:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:25:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 01:25:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 01:25:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:25:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:25:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:25:21,651 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:25:21,651 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 01:25:21,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:25:21 BoogieIcfgContainer [2020-07-21 01:25:21,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:25:21,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:25:21,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:25:21,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:25:21,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:25:19" (1/3) ... [2020-07-21 01:25:21,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a8c595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:25:21, skipping insertion in model container [2020-07-21 01:25:21,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:20" (2/3) ... [2020-07-21 01:25:21,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a8c595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:25:21, skipping insertion in model container [2020-07-21 01:25:21,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:25:21" (3/3) ... [2020-07-21 01:25:21,667 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label35.c [2020-07-21 01:25:21,680 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:25:21,689 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:25:21,708 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:25:21,739 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:25:21,740 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:25:21,740 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:25:21,740 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:25:21,740 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:25:21,740 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:25:21,741 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:25:21,741 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:25:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 01:25:21,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-21 01:25:21,783 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:21,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:25:21,785 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:21,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:21,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1838417414, now seen corresponding path program 1 times [2020-07-21 01:25:21,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:21,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435361994] [2020-07-21 01:25:21,808 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 [2020-07-21 01:25:22,031 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:25:22,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:22,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 01:25:22,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:22,709 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 01:25:22,716 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 01:25:22,716 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 01:25:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:22,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:25:22,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1435361994] [2020-07-21 01:25:22,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:25:22,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 01:25:22,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323467970] [2020-07-21 01:25:22,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 01:25:22,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:22,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 01:25:22,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 01:25:22,821 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 01:25:24,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:24,156 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 01:25:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 01:25:24,158 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2020-07-21 01:25:24,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:24,173 INFO L225 Difference]: With dead ends: 527 [2020-07-21 01:25:24,174 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 01:25:24,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-07-21 01:25:24,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 01:25:24,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 01:25:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 01:25:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 01:25:24,247 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 100 [2020-07-21 01:25:24,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:24,248 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 01:25:24,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 01:25:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 01:25:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-21 01:25:24,255 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:24,255 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 01:25:24,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:24,465 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:24,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:24,465 INFO L82 PathProgramCache]: Analyzing trace with hash -73079177, now seen corresponding path program 1 times [2020-07-21 01:25:24,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:24,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948896865] [2020-07-21 01:25:24,466 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:24,562 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:25:24,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:24,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 01:25:24,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:25,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:25:25,552 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 01:25:25,554 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 01:25:25,555 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 01:25:25,558 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:25,559 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:25,582 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 01:25:25,582 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 01:25:25,625 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:25,687 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:25,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948896865] [2020-07-21 01:25:25,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:25:25,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 01:25:25,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149717581] [2020-07-21 01:25:25,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 01:25:25,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:25,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 01:25:25,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 01:25:25,795 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 01:25:26,873 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 01:25:28,044 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 01:25:29,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:29,616 INFO L93 Difference]: Finished difference Result 740 states and 1084 transitions. [2020-07-21 01:25:29,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 01:25:29,617 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 109 [2020-07-21 01:25:29,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:29,630 INFO L225 Difference]: With dead ends: 740 [2020-07-21 01:25:29,630 INFO L226 Difference]: Without dead ends: 425 [2020-07-21 01:25:29,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 195 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2020-07-21 01:25:29,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-07-21 01:25:29,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2020-07-21 01:25:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 01:25:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 534 transitions. [2020-07-21 01:25:29,673 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 534 transitions. Word has length 109 [2020-07-21 01:25:29,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:29,673 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 534 transitions. [2020-07-21 01:25:29,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 01:25:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 534 transitions. [2020-07-21 01:25:29,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 01:25:29,677 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:29,677 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 01:25:29,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:29,885 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:29,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:29,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1220059375, now seen corresponding path program 1 times [2020-07-21 01:25:29,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:29,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588174513] [2020-07-21 01:25:29,888 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 [2020-07-21 01:25:29,992 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:25:29,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:29,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:25:29,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:30,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:25:30,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588174513] [2020-07-21 01:25:30,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:25:30,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:25:30,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432655099] [2020-07-21 01:25:30,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:25:30,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:30,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:25:30,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:25:30,028 INFO L87 Difference]: Start difference. First operand 393 states and 534 transitions. Second operand 3 states. [2020-07-21 01:25:30,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:30,659 INFO L93 Difference]: Finished difference Result 1075 states and 1497 transitions. [2020-07-21 01:25:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:25:30,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-21 01:25:30,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:30,667 INFO L225 Difference]: With dead ends: 1075 [2020-07-21 01:25:30,667 INFO L226 Difference]: Without dead ends: 688 [2020-07-21 01:25:30,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:25:30,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-07-21 01:25:30,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 684. [2020-07-21 01:25:30,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-07-21 01:25:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 860 transitions. [2020-07-21 01:25:30,707 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 860 transitions. Word has length 113 [2020-07-21 01:25:30,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:30,708 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 860 transitions. [2020-07-21 01:25:30,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:25:30,709 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 860 transitions. [2020-07-21 01:25:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-21 01:25:30,713 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:30,714 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 01:25:30,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:30,928 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:30,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:30,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1507476665, now seen corresponding path program 1 times [2020-07-21 01:25:30,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:30,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990008524] [2020-07-21 01:25:30,931 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 [2020-07-21 01:25:31,069 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:25:31,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:31,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:25:31,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 01:25:31,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:25:31,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990008524] [2020-07-21 01:25:31,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:25:31,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:25:31,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253045546] [2020-07-21 01:25:31,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:25:31,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:31,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:25:31,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:25:31,136 INFO L87 Difference]: Start difference. First operand 684 states and 860 transitions. Second operand 3 states. [2020-07-21 01:25:31,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:31,715 INFO L93 Difference]: Finished difference Result 1348 states and 1698 transitions. [2020-07-21 01:25:31,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:25:31,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-07-21 01:25:31,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:31,720 INFO L225 Difference]: With dead ends: 1348 [2020-07-21 01:25:31,720 INFO L226 Difference]: Without dead ends: 525 [2020-07-21 01:25:31,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:25:31,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-07-21 01:25:31,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2020-07-21 01:25:31,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2020-07-21 01:25:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 613 transitions. [2020-07-21 01:25:31,744 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 613 transitions. Word has length 135 [2020-07-21 01:25:31,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:31,745 INFO L479 AbstractCegarLoop]: Abstraction has 525 states and 613 transitions. [2020-07-21 01:25:31,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:25:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 613 transitions. [2020-07-21 01:25:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 01:25:31,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:31,748 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:25:31,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:31,963 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:31,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:31,963 INFO L82 PathProgramCache]: Analyzing trace with hash -2036170618, now seen corresponding path program 1 times [2020-07-21 01:25:31,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:31,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72136416] [2020-07-21 01:25:31,965 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 [2020-07-21 01:25:32,074 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:25:32,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:32,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:25:32,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:32,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:25:32,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72136416] [2020-07-21 01:25:32,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:25:32,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:25:32,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712494145] [2020-07-21 01:25:32,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:25:32,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:32,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:25:32,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:25:32,119 INFO L87 Difference]: Start difference. First operand 525 states and 613 transitions. Second operand 3 states. [2020-07-21 01:25:32,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:32,721 INFO L93 Difference]: Finished difference Result 1339 states and 1592 transitions. [2020-07-21 01:25:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:25:32,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-07-21 01:25:32,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:32,728 INFO L225 Difference]: With dead ends: 1339 [2020-07-21 01:25:32,729 INFO L226 Difference]: Without dead ends: 820 [2020-07-21 01:25:32,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:25:32,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-07-21 01:25:32,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 674. [2020-07-21 01:25:32,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-07-21 01:25:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 794 transitions. [2020-07-21 01:25:32,757 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 794 transitions. Word has length 134 [2020-07-21 01:25:32,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:32,758 INFO L479 AbstractCegarLoop]: Abstraction has 674 states and 794 transitions. [2020-07-21 01:25:32,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:25:32,758 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 794 transitions. [2020-07-21 01:25:32,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-21 01:25:32,762 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:32,762 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, 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] [2020-07-21 01:25:32,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:32,978 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:32,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:32,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1449994818, now seen corresponding path program 1 times [2020-07-21 01:25:32,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:32,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301456620] [2020-07-21 01:25:32,981 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:33,075 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:25:33,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:33,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:25:33,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:33,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:25:33,203 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:33,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301456620] [2020-07-21 01:25:33,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:25:33,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 01:25:33,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325492908] [2020-07-21 01:25:33,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 01:25:33,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:33,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 01:25:33,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 01:25:33,209 INFO L87 Difference]: Start difference. First operand 674 states and 794 transitions. Second operand 6 states. [2020-07-21 01:25:34,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:34,160 INFO L93 Difference]: Finished difference Result 1670 states and 1994 transitions. [2020-07-21 01:25:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 01:25:34,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2020-07-21 01:25:34,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:34,167 INFO L225 Difference]: With dead ends: 1670 [2020-07-21 01:25:34,168 INFO L226 Difference]: Without dead ends: 1002 [2020-07-21 01:25:34,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 336 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:25:34,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2020-07-21 01:25:34,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 988. [2020-07-21 01:25:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 988 states. [2020-07-21 01:25:34,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1128 transitions. [2020-07-21 01:25:34,208 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1128 transitions. Word has length 170 [2020-07-21 01:25:34,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:34,208 INFO L479 AbstractCegarLoop]: Abstraction has 988 states and 1128 transitions. [2020-07-21 01:25:34,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 01:25:34,208 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1128 transitions. [2020-07-21 01:25:34,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-21 01:25:34,213 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:34,213 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:25:34,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:34,428 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:34,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:34,429 INFO L82 PathProgramCache]: Analyzing trace with hash 146329388, now seen corresponding path program 1 times [2020-07-21 01:25:34,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:34,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753770285] [2020-07-21 01:25:34,431 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:34,538 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:25:34,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:34,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:25:34,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-21 01:25:34,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:25:34,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753770285] [2020-07-21 01:25:34,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:25:34,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:25:34,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182715007] [2020-07-21 01:25:34,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:25:34,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:34,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:25:34,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:25:34,584 INFO L87 Difference]: Start difference. First operand 988 states and 1128 transitions. Second operand 3 states. [2020-07-21 01:25:35,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:35,121 INFO L93 Difference]: Finished difference Result 2847 states and 3304 transitions. [2020-07-21 01:25:35,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:25:35,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-07-21 01:25:35,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:35,131 INFO L225 Difference]: With dead ends: 2847 [2020-07-21 01:25:35,132 INFO L226 Difference]: Without dead ends: 1865 [2020-07-21 01:25:35,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:25:35,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2020-07-21 01:25:35,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1571. [2020-07-21 01:25:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1571 states. [2020-07-21 01:25:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 1805 transitions. [2020-07-21 01:25:35,178 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 1805 transitions. Word has length 193 [2020-07-21 01:25:35,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:35,179 INFO L479 AbstractCegarLoop]: Abstraction has 1571 states and 1805 transitions. [2020-07-21 01:25:35,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:25:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1805 transitions. [2020-07-21 01:25:35,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-07-21 01:25:35,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:35,185 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-21 01:25:35,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:35,401 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:35,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:35,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1970630337, now seen corresponding path program 1 times [2020-07-21 01:25:35,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:35,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33820837] [2020-07-21 01:25:35,404 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:35,515 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 01:25:35,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:35,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:25:35,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-07-21 01:25:35,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:25:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 103 proven. 28 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 01:25:35,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33820837] [2020-07-21 01:25:35,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:25:35,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:25:35,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033725613] [2020-07-21 01:25:35,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:25:35,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:35,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:25:35,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:25:35,651 INFO L87 Difference]: Start difference. First operand 1571 states and 1805 transitions. Second operand 7 states. [2020-07-21 01:25:36,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:36,971 INFO L93 Difference]: Finished difference Result 4385 states and 5090 transitions. [2020-07-21 01:25:36,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 01:25:36,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-07-21 01:25:36,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:36,985 INFO L225 Difference]: With dead ends: 4385 [2020-07-21 01:25:36,986 INFO L226 Difference]: Without dead ends: 2819 [2020-07-21 01:25:36,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:25:36,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2020-07-21 01:25:37,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2370. [2020-07-21 01:25:37,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2370 states. [2020-07-21 01:25:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 2679 transitions. [2020-07-21 01:25:37,070 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 2679 transitions. Word has length 199 [2020-07-21 01:25:37,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:37,071 INFO L479 AbstractCegarLoop]: Abstraction has 2370 states and 2679 transitions. [2020-07-21 01:25:37,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:25:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2679 transitions. [2020-07-21 01:25:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-21 01:25:37,080 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:37,080 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:25:37,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:37,295 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:37,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:37,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1759754718, now seen corresponding path program 1 times [2020-07-21 01:25:37,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:37,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736026347] [2020-07-21 01:25:37,297 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:37,395 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 01:25:37,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:37,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:25:37,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-07-21 01:25:37,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:25:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-07-21 01:25:37,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736026347] [2020-07-21 01:25:37,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:25:37,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 01:25:37,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910115950] [2020-07-21 01:25:37,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 01:25:37,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:37,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 01:25:37,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 01:25:37,536 INFO L87 Difference]: Start difference. First operand 2370 states and 2679 transitions. Second operand 8 states. [2020-07-21 01:25:38,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:38,732 INFO L93 Difference]: Finished difference Result 4384 states and 4934 transitions. [2020-07-21 01:25:38,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:25:38,732 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 203 [2020-07-21 01:25:38,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:38,733 INFO L225 Difference]: With dead ends: 4384 [2020-07-21 01:25:38,733 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 01:25:38,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-07-21 01:25:38,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 01:25:38,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 01:25:38,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 01:25:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 01:25:38,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2020-07-21 01:25:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:38,743 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 01:25:38,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 01:25:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 01:25:38,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 01:25:38,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:38,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 01:25:40,226 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2020-07-21 01:25:40,496 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-07-21 01:25:40,777 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-07-21 01:25:40,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:25:40,783 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) (not (= 1 ~a21~0))) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 01:25:40,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:25:40,783 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,784 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,784 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,784 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,784 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,784 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 01:25:40,784 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 01:25:40,784 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 01:25:40,784 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 01:25:40,784 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 01:25:40,784 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 01:25:40,785 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 01:25:40,785 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 01:25:40,785 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 01:25:40,785 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 01:25:40,785 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 01:25:40,785 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 01:25:40,785 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 01:25:40,785 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,785 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,785 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,786 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,786 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 01:25:40,786 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,786 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 01:25:40,786 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 01:25:40,786 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 01:25:40,786 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 01:25:40,786 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 01:25:40,787 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 01:25:40,787 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 01:25:40,787 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 01:25:40,787 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 01:25:40,787 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 01:25:40,787 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 01:25:40,787 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 01:25:40,787 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 01:25:40,788 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 01:25:40,788 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 01:25:40,788 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,788 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,788 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,788 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,788 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,788 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 454) no Hoare annotation was computed. [2020-07-21 01:25:40,789 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 01:25:40,789 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 01:25:40,789 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 01:25:40,789 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 01:25:40,789 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 01:25:40,789 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 01:25:40,789 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 01:25:40,789 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 01:25:40,789 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 01:25:40,790 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 01:25:40,790 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 01:25:40,790 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,790 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,790 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,790 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,790 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,791 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 01:25:40,791 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 01:25:40,791 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 01:25:40,791 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 01:25:40,791 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 01:25:40,791 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 01:25:40,791 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 01:25:40,791 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 01:25:40,792 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 01:25:40,792 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 01:25:40,792 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 01:25:40,792 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 01:25:40,792 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 01:25:40,792 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,792 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,792 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,793 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,793 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,793 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 01:25:40,793 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 01:25:40,793 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 01:25:40,793 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 01:25:40,793 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 01:25:40,793 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 01:25:40,793 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 01:25:40,794 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 01:25:40,794 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 01:25:40,794 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 01:25:40,794 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 01:25:40,794 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 01:25:40,794 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 01:25:40,794 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 01:25:40,794 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 01:25:40,794 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 01:25:40,795 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,795 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,795 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,795 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,795 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 01:25:40,795 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,795 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 01:25:40,795 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,796 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 01:25:40,796 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 01:25:40,796 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 01:25:40,796 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,796 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,796 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 01:25:40,796 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 01:25:40,796 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 01:25:40,797 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 01:25:40,797 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 01:25:40,797 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 01:25:40,797 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 01:25:40,797 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 01:25:40,797 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 01:25:40,797 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 01:25:40,797 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 01:25:40,797 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,798 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,798 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,798 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,798 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,798 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,798 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 01:25:40,798 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 01:25:40,798 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,799 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 01:25:40,800 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 01:25:40,801 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 01:25:40,801 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 01:25:40,801 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 01:25:40,801 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 01:25:40,801 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,801 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,801 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,801 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse9 (<= 8 ~a17~0)) (.cse7 (not (<= 9 |old(~a28~0)|))) (.cse2 (<= ~a11~0 |old(~a11~0)|)) (.cse8 (not (<= |old(~a28~0)| 9))) (.cse13 (<= ~a17~0 |old(~a17~0)|)) (.cse15 (= 1 ~a11~0)) (.cse12 (<= |old(~a28~0)| ~a28~0)) (.cse14 (= ~a25~0 |old(~a25~0)|)) (.cse16 (not (= 1 |old(~a11~0)|))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse10 (not (<= 8 |old(~a17~0)|))) (.cse11 (not (< |old(~a17~0)| 9))) (.cse4 (and (not (= 6 |calculate_output_#in~input|)) (not (= 1 |calculate_output_#in~input|)) (not (= 4 |calculate_output_#in~input|)) (not (= 5 |calculate_output_#in~input|)) (not (= 3 |calculate_output_#in~input|)))) (.cse5 (not (= 1 ~a21~0))) (.cse6 (not (<= |old(~a11~0)| 0))) (.cse1 (= 1 ~a19~0)) (.cse3 (= 8 ~a17~0))) (and (or .cse0 (not (= 10 |old(~a28~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse2 (= 10 ~a28~0) .cse3) .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse11 .cse5 .cse6) (or (and .cse2 .cse9 (< ~a17~0 9) .cse12 (= 1 ~a25~0)) .cse7 .cse10 (not (= 1 |old(~a25~0)|)) .cse11 .cse5 .cse6) (or (and .cse2 .cse13 (<= ~a28~0 9) .cse12 .cse14) .cse8 .cse11 .cse5 .cse6) (or (and .cse15 (<= 11 ~a28~0)) (not (<= 11 |old(~a28~0)|)) .cse16) (or (and .cse13 .cse15 .cse12 .cse14) .cse11 .cse16) (or .cse0 .cse10 (not (<= |old(~a25~0)| 0)) .cse11 (not (= 7 |old(~a28~0)|)) .cse4 .cse5 .cse6 (and .cse1 (= 7 ~a28~0) .cse3)))) [2020-07-21 01:25:40,801 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,801 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 01:25:40,802 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 01:25:40,803 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,803 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,803 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,803 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,803 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,803 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,803 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 01:25:40,803 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 01:25:40,803 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 01:25:40,804 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 01:25:40,804 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 01:25:40,804 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 01:25:40,804 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 01:25:40,804 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 01:25:40,804 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 01:25:40,804 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 01:25:40,804 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 01:25:40,805 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 01:25:40,805 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 01:25:40,805 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 01:25:40,805 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 01:25:40,805 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 01:25:40,805 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,805 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,805 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,806 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,806 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:40,806 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 01:25:40,806 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 01:25:40,806 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 01:25:40,806 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 01:25:40,806 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 01:25:40,806 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 01:25:40,807 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 01:25:40,807 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 01:25:40,807 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 01:25:40,807 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 01:25:40,807 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 01:25:40,807 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 01:25:40,807 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 01:25:40,807 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 01:25:40,808 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 01:25:40,808 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 01:25:40,808 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 01:25:40,808 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 01:25:40,808 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 01:25:40,808 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:25:40,808 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 7 ~a28~0) (= 1 ~a21~0) (= 8 ~a17~0)) [2020-07-21 01:25:40,808 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 01:25:40,809 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:25:40,809 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (< |old(~a17~0)| 9)) (not (= 7 |old(~a28~0)|)) (and (= 1 ~a19~0) (<= ~a11~0 |old(~a11~0)|) (= 7 ~a28~0) (= 8 ~a17~0) (= ~a25~0 |old(~a25~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0))) [2020-07-21 01:25:40,809 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a11~0 0)) (.cse1 (= 1 ~a11~0)) (.cse2 (< ~a17~0 9))) (or (not (= 1 |old(~a19~0)|)) (and (= 1 ~a19~0) .cse0 (= 10 ~a28~0) (= 8 ~a17~0)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (and .cse1 (<= 11 ~a28~0)) (not (<= |old(~a25~0)| 0)) (and .cse0 (<= ~a28~0 9) .cse2) (and .cse0 (<= 8 ~a17~0) .cse2 (= 1 ~a25~0)) (and .cse1 .cse2) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)))) [2020-07-21 01:25:40,809 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 01:25:40,809 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 01:25:40,810 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= ~a11~0 0)) (.cse0 (= 1 ~a11~0)) (.cse2 (< ~a17~0 9))) (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (and .cse0 (<= 11 ~a28~0)) (not (<= |old(~a25~0)| 0)) (and .cse1 (<= ~a28~0 9) .cse2) (and (= 1 ~a19~0) .cse1 (= 10 ~a28~0) (= 8 ~a17~0) (or (= 1 main_~input~0) (= 6 main_~input~0) (= 4 main_~input~0) (= 5 main_~input~0) (= 3 main_~input~0))) (and .cse1 (<= 8 ~a17~0) .cse2 (= 1 ~a25~0)) (and .cse0 .cse2) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)))) [2020-07-21 01:25:40,810 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 01:25:40,810 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 01:25:40,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:25:40 BoogieIcfgContainer [2020-07-21 01:25:40,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 01:25:40,833 INFO L168 Benchmark]: Toolchain (without parser) took 21500.84 ms. Allocated memory was 146.8 MB in the beginning and 468.7 MB in the end (delta: 321.9 MB). Free memory was 101.5 MB in the beginning and 127.8 MB in the end (delta: -26.3 MB). Peak memory consumption was 295.6 MB. Max. memory is 7.1 GB. [2020-07-21 01:25:40,833 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 01:25:40,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.96 ms. Allocated memory was 146.8 MB in the beginning and 207.1 MB in the end (delta: 60.3 MB). Free memory was 101.1 MB in the beginning and 173.9 MB in the end (delta: -72.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-21 01:25:40,835 INFO L168 Benchmark]: Boogie Preprocessor took 119.04 ms. Allocated memory is still 207.1 MB. Free memory was 173.9 MB in the beginning and 168.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-07-21 01:25:40,836 INFO L168 Benchmark]: RCFGBuilder took 1422.24 ms. Allocated memory was 207.1 MB in the beginning and 237.5 MB in the end (delta: 30.4 MB). Free memory was 168.5 MB in the beginning and 179.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-07-21 01:25:40,836 INFO L168 Benchmark]: TraceAbstraction took 19171.43 ms. Allocated memory was 237.5 MB in the beginning and 468.7 MB in the end (delta: 231.2 MB). Free memory was 179.0 MB in the beginning and 127.8 MB in the end (delta: 51.2 MB). Peak memory consumption was 282.4 MB. Max. memory is 7.1 GB. [2020-07-21 01:25:40,840 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 781.96 ms. Allocated memory was 146.8 MB in the beginning and 207.1 MB in the end (delta: 60.3 MB). Free memory was 101.1 MB in the beginning and 173.9 MB in the end (delta: -72.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.04 ms. Allocated memory is still 207.1 MB. Free memory was 173.9 MB in the beginning and 168.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1422.24 ms. Allocated memory was 207.1 MB in the beginning and 237.5 MB in the end (delta: 30.4 MB). Free memory was 168.5 MB in the beginning and 179.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19171.43 ms. Allocated memory was 237.5 MB in the beginning and 468.7 MB in the end (delta: 231.2 MB). Free memory was 179.0 MB in the beginning and 127.8 MB in the end (delta: 51.2 MB). Peak memory consumption was 282.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 454]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == \old(a19)) || (((1 == a19 && a11 <= 0) && 10 == a28) && 8 == a17)) || !(8 == \old(a17))) || !(7 == \old(a28))) || (1 == a11 && 11 <= a28)) || !(\old(a25) <= 0)) || ((a11 <= 0 && a28 <= 9) && a17 < 9)) || (((a11 <= 0 && 8 <= a17) && a17 < 9) && 1 == a25)) || (1 == a11 && a17 < 9)) || !(1 == a21)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.2s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1106 SDtfs, 3475 SDslu, 684 SDs, 0 SdLazy, 7530 SolverSat, 1028 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2069 GetRequests, 1984 SyntacticMatches, 5 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2370occurred 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 939 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 78 PreInvPairs, 120 NumberOfFragments, 508 HoareAnnotationTreeSize, 78 FomulaSimplifications, 2347 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2194 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1356 NumberOfCodeBlocks, 921 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2024 ConstructedInterpolants, 0 QuantifiedInterpolants, 1324869 SizeOfPredicates, 41 NumberOfNonLiveVariables, 2932 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 980/1032 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...