/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_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 01:25:08,142 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 01:25:08,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:25:08,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:25:08,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:25:08,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:25:08,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:25:08,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:25:08,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:25:08,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:25:08,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:25:08,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:25:08,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:25:08,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:25:08,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 01:25:08,194 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 01:25:08,208 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:25:08,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:25:08,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:25:08,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:25:08,210 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:25:08,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:25:08,211 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:25:08,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:25:08,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:25:08,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:25:08,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:25:08,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:25:08,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:25:08,212 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:25:08,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:25:08,212 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:25:08,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:25:08,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:25:08,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:25:08,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:25:08,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:25:08,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:25:08,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:25:08,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:25:08,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:25:08,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:25:08,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:08,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:25:08,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:25:08,215 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 01:25:08,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:25:08,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:25:08,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:25:08,533 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:25:08,533 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:25:08,534 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-07-21 01:25:08,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a82a7c59/588c6e0ff71f4e2d8fd536974e37a13c/FLAG05f050763 [2020-07-21 01:25:09,208 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:25:09,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-07-21 01:25:09,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a82a7c59/588c6e0ff71f4e2d8fd536974e37a13c/FLAG05f050763 [2020-07-21 01:25:09,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a82a7c59/588c6e0ff71f4e2d8fd536974e37a13c [2020-07-21 01:25:09,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:25:09,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:25:09,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:25:09,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:25:09,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:25:09,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:25:09" (1/1) ... [2020-07-21 01:25:09,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c3d931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:09, skipping insertion in model container [2020-07-21 01:25:09,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:25:09" (1/1) ... [2020-07-21 01:25:09,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:25:09,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:25:09,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:25:09,996 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:25:10,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:25:10,254 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:25:10,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:10 WrapperNode [2020-07-21 01:25:10,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:25:10,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:25:10,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:25:10,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:25:10,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:10" (1/1) ... [2020-07-21 01:25:10,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:10" (1/1) ... [2020-07-21 01:25:10,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:10" (1/1) ... [2020-07-21 01:25:10,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:10" (1/1) ... [2020-07-21 01:25:10,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:10" (1/1) ... [2020-07-21 01:25:10,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:10" (1/1) ... [2020-07-21 01:25:10,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:10" (1/1) ... [2020-07-21 01:25:10,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:25:10,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:25:10,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:25:10,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:25:10,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:10" (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 01:25:10,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:25:10,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:25:10,436 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 01:25:10,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:25:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 01:25:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:25:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 01:25:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 01:25:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:25:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:25:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:25:11,618 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:25:11,619 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 01:25:11,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:25:11 BoogieIcfgContainer [2020-07-21 01:25:11,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:25:11,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:25:11,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:25:11,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:25:11,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:25:09" (1/3) ... [2020-07-21 01:25:11,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3083b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:25:11, skipping insertion in model container [2020-07-21 01:25:11,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:25:10" (2/3) ... [2020-07-21 01:25:11,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3083b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:25:11, skipping insertion in model container [2020-07-21 01:25:11,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:25:11" (3/3) ... [2020-07-21 01:25:11,642 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label33.c [2020-07-21 01:25:11,654 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:25:11,664 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:25:11,679 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:25:11,710 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:25:11,711 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:25:11,711 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:25:11,711 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:25:11,711 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:25:11,712 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:25:11,712 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:25:11,712 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:25:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 01:25:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-21 01:25:11,750 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:11,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:25:11,752 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:11,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:11,759 INFO L82 PathProgramCache]: Analyzing trace with hash -421614983, now seen corresponding path program 1 times [2020-07-21 01:25:11,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:11,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [657960773] [2020-07-21 01:25:11,767 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 01:25:11,945 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:25:11,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:11,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 01:25:11,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:12,463 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 01:25:12,485 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 01:25:12,488 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 01:25:12,595 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 01:25:12,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:25:12,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [657960773] [2020-07-21 01:25:12,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:25:12,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 01:25:12,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74975715] [2020-07-21 01:25:12,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 01:25:12,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:12,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 01:25:12,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 01:25:12,627 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 01:25:13,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:13,829 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 01:25:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 01:25:13,830 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-07-21 01:25:13,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:13,843 INFO L225 Difference]: With dead ends: 527 [2020-07-21 01:25:13,844 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 01:25:13,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-07-21 01:25:13,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 01:25:13,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 01:25:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 01:25:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 01:25:13,963 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 147 [2020-07-21 01:25:13,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:13,965 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 01:25:13,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 01:25:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 01:25:13,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 01:25:13,972 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:13,972 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:14,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:14,178 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:14,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:14,179 INFO L82 PathProgramCache]: Analyzing trace with hash -2031927832, now seen corresponding path program 1 times [2020-07-21 01:25:14,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:14,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419993191] [2020-07-21 01:25:14,180 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 01:25:14,293 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:25:14,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:14,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 01:25:14,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:14,869 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 01:25:14,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:25:15,288 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 01:25:15,289 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 01:25:15,291 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 01:25:15,292 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:15,293 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:15,314 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 01:25:15,314 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 01:25:15,349 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:15,421 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:15,571 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 01:25:15,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419993191] [2020-07-21 01:25:15,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:25:15,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 01:25:15,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991838583] [2020-07-21 01:25:15,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 01:25:15,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:15,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 01:25:15,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 01:25:15,576 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 01:25:16,779 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 01:25:18,034 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 01:25:18,259 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-07-21 01:25:19,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:19,853 INFO L93 Difference]: Finished difference Result 740 states and 1084 transitions. [2020-07-21 01:25:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 01:25:19,857 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 156 [2020-07-21 01:25:19,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:19,863 INFO L225 Difference]: With dead ends: 740 [2020-07-21 01:25:19,863 INFO L226 Difference]: Without dead ends: 425 [2020-07-21 01:25:19,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 289 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2020-07-21 01:25:19,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-07-21 01:25:19,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2020-07-21 01:25:19,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 01:25:19,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 534 transitions. [2020-07-21 01:25:19,900 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 534 transitions. Word has length 156 [2020-07-21 01:25:19,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:19,900 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 534 transitions. [2020-07-21 01:25:19,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 01:25:19,901 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 534 transitions. [2020-07-21 01:25:19,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-21 01:25:19,904 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:19,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:20,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:20,113 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:20,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:20,114 INFO L82 PathProgramCache]: Analyzing trace with hash -301456272, now seen corresponding path program 1 times [2020-07-21 01:25:20,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:20,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750741396] [2020-07-21 01:25:20,118 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 01:25:20,241 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:25:20,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:20,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 43 conjunts are in the unsatisfiable core [2020-07-21 01:25:20,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:20,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:25:21,277 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 6 conjuncts [2020-07-21 01:25:21,282 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 5 conjuncts [2020-07-21 01:25:21,283 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 01:25:21,286 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 01:25:21,287 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 01:25:21,310 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 7, 5, 1] term [2020-07-21 01:25:21,311 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 01:25:21,351 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:21,416 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:21,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750741396] [2020-07-21 01:25:21,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:25:21,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 01:25:21,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545301617] [2020-07-21 01:25:21,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 01:25:21,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:21,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 01:25:21,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 01:25:21,534 INFO L87 Difference]: Start difference. First operand 393 states and 534 transitions. Second operand 21 states. [2020-07-21 01:25:22,532 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-07-21 01:25:23,996 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-07-21 01:25:24,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:24,574 INFO L93 Difference]: Finished difference Result 902 states and 1244 transitions. [2020-07-21 01:25:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-21 01:25:24,575 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 160 [2020-07-21 01:25:24,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:24,580 INFO L225 Difference]: With dead ends: 902 [2020-07-21 01:25:24,580 INFO L226 Difference]: Without dead ends: 515 [2020-07-21 01:25:24,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 297 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=423, Invalid=1059, Unknown=0, NotChecked=0, Total=1482 [2020-07-21 01:25:24,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-07-21 01:25:24,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 478. [2020-07-21 01:25:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-07-21 01:25:24,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 623 transitions. [2020-07-21 01:25:24,612 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 623 transitions. Word has length 160 [2020-07-21 01:25:24,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:24,613 INFO L479 AbstractCegarLoop]: Abstraction has 478 states and 623 transitions. [2020-07-21 01:25:24,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 01:25:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 623 transitions. [2020-07-21 01:25:24,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-21 01:25:24,617 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:24,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:24,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:24,831 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:24,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:24,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1326673688, now seen corresponding path program 1 times [2020-07-21 01:25:24,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:24,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810571331] [2020-07-21 01:25:24,834 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 01:25:24,955 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:25:24,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:24,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 27 conjunts are in the unsatisfiable core [2020-07-21 01:25:24,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:25,008 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 01:25:25,009 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 01:25:25,010 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 01:25:25,104 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 01:25:25,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:25:25,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810571331] [2020-07-21 01:25:25,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:25:25,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 01:25:25,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614171935] [2020-07-21 01:25:25,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 01:25:25,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:25,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 01:25:25,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 01:25:25,107 INFO L87 Difference]: Start difference. First operand 478 states and 623 transitions. Second operand 4 states. [2020-07-21 01:25:25,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:25,805 INFO L93 Difference]: Finished difference Result 1039 states and 1410 transitions. [2020-07-21 01:25:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 01:25:25,805 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2020-07-21 01:25:25,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:25,809 INFO L225 Difference]: With dead ends: 1039 [2020-07-21 01:25:25,809 INFO L226 Difference]: Without dead ends: 478 [2020-07-21 01:25:25,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 01:25:25,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-07-21 01:25:25,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2020-07-21 01:25:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-07-21 01:25:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 620 transitions. [2020-07-21 01:25:25,830 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 620 transitions. Word has length 182 [2020-07-21 01:25:25,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:25,830 INFO L479 AbstractCegarLoop]: Abstraction has 478 states and 620 transitions. [2020-07-21 01:25:25,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 01:25:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 620 transitions. [2020-07-21 01:25:25,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-21 01:25:25,833 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:25,834 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:26,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:26,049 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:26,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:26,049 INFO L82 PathProgramCache]: Analyzing trace with hash -24780807, now seen corresponding path program 1 times [2020-07-21 01:25:26,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:26,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219962178] [2020-07-21 01:25:26,051 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 01:25:26,147 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:25:26,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:26,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 01:25:26,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:26,668 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 6, 2, 2, 1] term [2020-07-21 01:25:26,669 INFO L501 QuantifierPusher]: Distributing 5 conjuncts over 6 disjuncts [2020-07-21 01:25:26,842 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 01:25:26,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:25:26,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219962178] [2020-07-21 01:25:26,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:25:26,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-21 01:25:26,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020316281] [2020-07-21 01:25:26,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-21 01:25:26,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:26,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-21 01:25:26,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-07-21 01:25:26,845 INFO L87 Difference]: Start difference. First operand 478 states and 620 transitions. Second operand 12 states. [2020-07-21 01:25:29,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:29,158 INFO L93 Difference]: Finished difference Result 1222 states and 1718 transitions. [2020-07-21 01:25:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 01:25:29,159 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2020-07-21 01:25:29,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:29,163 INFO L225 Difference]: With dead ends: 1222 [2020-07-21 01:25:29,163 INFO L226 Difference]: Without dead ends: 644 [2020-07-21 01:25:29,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2020-07-21 01:25:29,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2020-07-21 01:25:29,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 640. [2020-07-21 01:25:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-07-21 01:25:29,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 787 transitions. [2020-07-21 01:25:29,187 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 787 transitions. Word has length 181 [2020-07-21 01:25:29,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:29,189 INFO L479 AbstractCegarLoop]: Abstraction has 640 states and 787 transitions. [2020-07-21 01:25:29,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-21 01:25:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 787 transitions. [2020-07-21 01:25:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-07-21 01:25:29,192 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:29,192 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:29,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:29,408 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:29,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:29,409 INFO L82 PathProgramCache]: Analyzing trace with hash 347236579, now seen corresponding path program 1 times [2020-07-21 01:25:29,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:29,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484836550] [2020-07-21 01:25:29,410 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 01:25:29,506 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:25:29,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:29,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 53 conjunts are in the unsatisfiable core [2020-07-21 01:25:29,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:30,542 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-07-21 01:25:30,683 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-07-21 01:25:30,686 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 6, 2, 2, 1] term [2020-07-21 01:25:30,687 INFO L501 QuantifierPusher]: Distributing 5 conjuncts over 6 disjuncts [2020-07-21 01:25:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:30,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:25:31,295 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-07-21 01:25:31,581 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2020-07-21 01:25:31,903 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-07-21 01:25:32,143 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2020-07-21 01:25:32,444 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2020-07-21 01:25:32,453 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 01:25:32,454 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 5 conjuncts [2020-07-21 01:25:32,455 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 01:25:32,456 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:32,457 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 2, 2, 1] term [2020-07-21 01:25:32,457 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,458 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 2, 2, 1] term [2020-07-21 01:25:32,458 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,459 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 01:25:32,460 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:32,461 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,462 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,463 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,464 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:25:32,465 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,466 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,466 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,469 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 01:25:32,470 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:32,471 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 2, 2, 1] term [2020-07-21 01:25:32,471 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,472 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 2, 2, 1] term [2020-07-21 01:25:32,473 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,473 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 01:25:32,474 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:32,475 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,476 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,477 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,478 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:25:32,479 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,479 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,480 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,484 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,485 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 01:25:32,486 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,487 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 01:25:32,488 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,489 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,490 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 01:25:32,491 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,492 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:32,493 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,494 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,495 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 01:25:32,495 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,497 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,497 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 01:25:32,498 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,499 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,501 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,502 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 01:25:32,503 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:32,504 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,505 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 01:25:32,506 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,507 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,508 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 01:25:32,509 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,510 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:32,511 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,512 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,513 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 01:25:32,514 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,515 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:32,516 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 2 conjuncts [2020-07-21 01:25:32,517 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,518 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,520 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 01:25:32,520 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 01:25:32,521 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:32,522 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,524 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 01:25:32,525 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 01:25:32,525 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:25:32,526 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:32,568 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 5, 5, 1] term [2020-07-21 01:25:32,568 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 01:25:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:32,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484836550] [2020-07-21 01:25:32,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 01:25:32,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [20] total 31 [2020-07-21 01:25:32,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688178504] [2020-07-21 01:25:32,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-21 01:25:32,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:32,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-21 01:25:32,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=643, Unknown=0, NotChecked=0, Total=930 [2020-07-21 01:25:32,852 INFO L87 Difference]: Start difference. First operand 640 states and 787 transitions. Second operand 20 states. [2020-07-21 01:25:33,485 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-07-21 01:25:33,791 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-07-21 01:25:34,234 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-07-21 01:25:34,432 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-07-21 01:25:34,667 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-07-21 01:25:35,187 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-07-21 01:25:36,148 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-07-21 01:25:36,405 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-07-21 01:25:37,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:37,932 INFO L93 Difference]: Finished difference Result 1913 states and 2570 transitions. [2020-07-21 01:25:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-21 01:25:37,935 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 198 [2020-07-21 01:25:37,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:37,941 INFO L225 Difference]: With dead ends: 1913 [2020-07-21 01:25:37,941 INFO L226 Difference]: Without dead ends: 1084 [2020-07-21 01:25:37,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 364 SyntacticMatches, 8 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=678, Invalid=1484, Unknown=0, NotChecked=0, Total=2162 [2020-07-21 01:25:37,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2020-07-21 01:25:37,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1029. [2020-07-21 01:25:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2020-07-21 01:25:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1252 transitions. [2020-07-21 01:25:37,992 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1252 transitions. Word has length 198 [2020-07-21 01:25:37,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:37,993 INFO L479 AbstractCegarLoop]: Abstraction has 1029 states and 1252 transitions. [2020-07-21 01:25:37,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-21 01:25:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1252 transitions. [2020-07-21 01:25:37,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-07-21 01:25:37,998 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:37,998 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:25:38,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:38,213 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:38,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:38,214 INFO L82 PathProgramCache]: Analyzing trace with hash 679246211, now seen corresponding path program 1 times [2020-07-21 01:25:38,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:38,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414363037] [2020-07-21 01:25:38,216 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 01:25:38,314 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:25:38,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:38,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:25:38,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:38,378 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:38,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:25:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:25:38,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414363037] [2020-07-21 01:25:38,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:25:38,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:25:38,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265478128] [2020-07-21 01:25:38,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:25:38,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:38,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:25:38,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:25:38,480 INFO L87 Difference]: Start difference. First operand 1029 states and 1252 transitions. Second operand 7 states. [2020-07-21 01:25:39,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:39,827 INFO L93 Difference]: Finished difference Result 3134 states and 4061 transitions. [2020-07-21 01:25:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 01:25:39,828 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-07-21 01:25:39,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:39,840 INFO L225 Difference]: With dead ends: 3134 [2020-07-21 01:25:39,840 INFO L226 Difference]: Without dead ends: 2111 [2020-07-21 01:25:39,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 459 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 01:25:39,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2020-07-21 01:25:39,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 2084. [2020-07-21 01:25:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2020-07-21 01:25:39,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2613 transitions. [2020-07-21 01:25:39,912 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2613 transitions. Word has length 232 [2020-07-21 01:25:39,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:39,913 INFO L479 AbstractCegarLoop]: Abstraction has 2084 states and 2613 transitions. [2020-07-21 01:25:39,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:25:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2613 transitions. [2020-07-21 01:25:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-07-21 01:25:39,921 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:39,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:40,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:40,136 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:40,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:40,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1550239891, now seen corresponding path program 1 times [2020-07-21 01:25:40,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:40,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788695239] [2020-07-21 01:25:40,137 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 01:25:40,248 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:25:40,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:40,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 43 conjunts are in the unsatisfiable core [2020-07-21 01:25:40,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:40,792 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 01:25:40,793 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 01:25:40,793 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 01:25:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 81 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-21 01:25:40,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:25:41,201 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2020-07-21 01:25:41,565 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-07-21 01:25:41,572 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 6 conjuncts [2020-07-21 01:25:41,573 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 5 conjuncts [2020-07-21 01:25:41,574 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 4 conjuncts [2020-07-21 01:25:41,574 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 01:25:41,575 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:41,578 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 01:25:41,578 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 01:25:41,579 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 01:25:41,580 INFO L501 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-07-21 01:25:41,580 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:41,581 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 3 conjuncts [2020-07-21 01:25:41,582 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:41,583 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 3 conjuncts [2020-07-21 01:25:41,583 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:41,585 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 3 conjuncts [2020-07-21 01:25:41,585 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:41,587 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 3 conjuncts [2020-07-21 01:25:41,587 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:25:41,947 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2020-07-21 01:25:41,948 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 7, 5, 1] term [2020-07-21 01:25:41,949 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 01:25:41,996 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 01:25:41,997 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 01:25:42,049 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:42,093 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:42,117 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:25:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 81 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-21 01:25:42,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788695239] [2020-07-21 01:25:42,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:25:42,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2020-07-21 01:25:42,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005428842] [2020-07-21 01:25:42,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-21 01:25:42,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:42,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-21 01:25:42,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-07-21 01:25:42,311 INFO L87 Difference]: Start difference. First operand 2084 states and 2613 transitions. Second operand 23 states. [2020-07-21 01:25:43,735 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-07-21 01:25:43,902 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-07-21 01:25:44,413 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-07-21 01:25:44,852 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-07-21 01:25:46,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:46,487 INFO L93 Difference]: Finished difference Result 4301 states and 5476 transitions. [2020-07-21 01:25:46,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-21 01:25:46,489 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 240 [2020-07-21 01:25:46,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:46,501 INFO L225 Difference]: With dead ends: 4301 [2020-07-21 01:25:46,501 INFO L226 Difference]: Without dead ends: 2223 [2020-07-21 01:25:46,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 452 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=482, Invalid=1498, Unknown=0, NotChecked=0, Total=1980 [2020-07-21 01:25:46,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2020-07-21 01:25:46,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2167. [2020-07-21 01:25:46,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2167 states. [2020-07-21 01:25:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2708 transitions. [2020-07-21 01:25:46,574 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2708 transitions. Word has length 240 [2020-07-21 01:25:46,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:46,574 INFO L479 AbstractCegarLoop]: Abstraction has 2167 states and 2708 transitions. [2020-07-21 01:25:46,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-21 01:25:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2708 transitions. [2020-07-21 01:25:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-07-21 01:25:46,581 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:46,581 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:25:46,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:46,797 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:46,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:46,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1449891231, now seen corresponding path program 1 times [2020-07-21 01:25:46,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:46,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308615831] [2020-07-21 01:25:46,799 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 01:25:46,919 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:25:46,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:46,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:25:46,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-21 01:25:47,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:25:47,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308615831] [2020-07-21 01:25:47,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:25:47,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:25:47,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555951969] [2020-07-21 01:25:47,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:25:47,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:47,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:25:47,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:25:47,026 INFO L87 Difference]: Start difference. First operand 2167 states and 2708 transitions. Second operand 3 states. [2020-07-21 01:25:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:47,695 INFO L93 Difference]: Finished difference Result 3971 states and 5002 transitions. [2020-07-21 01:25:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:25:47,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2020-07-21 01:25:47,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:47,703 INFO L225 Difference]: With dead ends: 3971 [2020-07-21 01:25:47,704 INFO L226 Difference]: Without dead ends: 1516 [2020-07-21 01:25:47,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 251 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 01:25:47,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2020-07-21 01:25:47,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1370. [2020-07-21 01:25:47,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1370 states. [2020-07-21 01:25:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 1574 transitions. [2020-07-21 01:25:47,746 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 1574 transitions. Word has length 253 [2020-07-21 01:25:47,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:47,747 INFO L479 AbstractCegarLoop]: Abstraction has 1370 states and 1574 transitions. [2020-07-21 01:25:47,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:25:47,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1574 transitions. [2020-07-21 01:25:47,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-07-21 01:25:47,751 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:25:47,752 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:25:47,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:47,967 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:25:47,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:25:47,968 INFO L82 PathProgramCache]: Analyzing trace with hash -975607092, now seen corresponding path program 1 times [2020-07-21 01:25:47,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:25:47,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395883994] [2020-07-21 01:25:47,969 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:48,092 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:25:48,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:25:48,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:25:48,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:25:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-21 01:25:48,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:25:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-21 01:25:48,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1395883994] [2020-07-21 01:25:48,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:25:48,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:25:48,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400578148] [2020-07-21 01:25:48,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:25:48,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:25:48,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:25:48,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:25:48,245 INFO L87 Difference]: Start difference. First operand 1370 states and 1574 transitions. Second operand 7 states. [2020-07-21 01:25:49,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:25:49,052 INFO L93 Difference]: Finished difference Result 2399 states and 2707 transitions. [2020-07-21 01:25:49,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:25:49,054 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 268 [2020-07-21 01:25:49,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:25:49,055 INFO L225 Difference]: With dead ends: 2399 [2020-07-21 01:25:49,055 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 01:25:49,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 531 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:25:49,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 01:25:49,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 01:25:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 01:25:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 01:25:49,060 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 268 [2020-07-21 01:25:49,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:25:49,061 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 01:25:49,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:25:49,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 01:25:49,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 01:25:49,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:25:49,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 01:25:50,737 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 114 [2020-07-21 01:25:51,020 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-07-21 01:25:51,402 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2020-07-21 01:25:51,407 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:25:51,407 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (let ((.cse0 (not (= 1 ~a21~0)))) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (or (not (= 1 |old(~a19~0)|)) (and (= 1 ~a19~0) (= 8 ~a17~0)) (not (= 8 |old(~a17~0)|)) .cse0) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) .cse0))) [2020-07-21 01:25:51,407 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:25:51,408 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,408 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,408 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,409 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,410 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,410 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 01:25:51,410 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 01:25:51,410 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 01:25:51,410 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 01:25:51,411 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 01:25:51,411 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 01:25:51,411 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 01:25:51,411 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 01:25:51,411 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 01:25:51,411 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 01:25:51,411 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 01:25:51,411 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 01:25:51,412 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 01:25:51,412 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,412 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,412 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,412 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,412 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 01:25:51,412 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,412 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 01:25:51,413 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 01:25:51,413 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 01:25:51,413 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 01:25:51,413 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 01:25:51,414 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 01:25:51,414 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 01:25:51,414 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 01:25:51,414 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 01:25:51,414 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 01:25:51,415 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 01:25:51,415 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 01:25:51,415 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 01:25:51,416 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 01:25:51,416 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 01:25:51,416 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,418 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,418 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,418 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,418 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,418 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2020-07-21 01:25:51,419 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 01:25:51,419 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 01:25:51,419 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 01:25:51,419 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 01:25:51,419 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 01:25:51,419 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 01:25:51,419 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 01:25:51,419 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 01:25:51,419 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 01:25:51,420 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 01:25:51,420 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 01:25:51,420 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,420 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,420 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,420 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,420 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,420 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 01:25:51,421 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 01:25:51,421 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 01:25:51,421 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 01:25:51,421 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 01:25:51,421 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 01:25:51,421 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 01:25:51,421 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 01:25:51,421 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 01:25:51,421 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 01:25:51,422 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 01:25:51,423 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 01:25:51,424 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 01:25:51,424 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,424 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,424 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,425 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,425 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,425 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 01:25:51,425 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 01:25:51,425 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 01:25:51,425 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 01:25:51,425 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 01:25:51,425 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 01:25:51,425 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 01:25:51,426 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 01:25:51,426 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 01:25:51,426 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 01:25:51,426 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 01:25:51,426 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 01:25:51,427 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 01:25:51,428 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 01:25:51,428 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 01:25:51,428 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 01:25:51,428 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,428 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,428 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,428 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,428 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 01:25:51,428 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,429 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 01:25:51,429 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,429 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 01:25:51,430 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 01:25:51,430 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 01:25:51,430 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,430 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,431 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 01:25:51,431 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 01:25:51,431 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 01:25:51,431 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 01:25:51,431 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 01:25:51,431 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 01:25:51,431 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 01:25:51,431 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 01:25:51,431 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 01:25:51,432 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 01:25:51,432 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 01:25:51,432 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,432 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,432 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,432 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,432 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,432 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,432 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 01:25:51,433 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 01:25:51,433 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 01:25:51,433 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 01:25:51,433 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 01:25:51,433 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 01:25:51,433 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 01:25:51,433 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 01:25:51,433 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 01:25:51,433 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 01:25:51,433 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 01:25:51,434 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,434 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,434 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,434 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,434 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,434 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,434 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 01:25:51,434 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 01:25:51,434 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 01:25:51,435 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 01:25:51,435 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 01:25:51,435 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 01:25:51,435 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 01:25:51,435 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 01:25:51,435 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 01:25:51,435 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 01:25:51,435 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 01:25:51,435 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 01:25:51,436 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 01:25:51,436 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 01:25:51,436 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,436 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,436 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,437 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (= 1 |old(~a25~0)|))) (let ((.cse10 (= 9 ~a28~0)) (.cse13 (not (= 9 |old(~a28~0)|))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse3 (= 1 ~a19~0)) (.cse17 (<= ~a25~0 0)) (.cse16 (not (<= |old(~a25~0)| 0))) (.cse1 (not (= 10 |old(~a28~0)|))) (.cse2 (not (= 8 |old(~a17~0)|))) (.cse18 (not .cse12)) (.cse5 (= 10 ~a28~0)) (.cse22 (<= ~a19~0 0)) (.cse6 (= 8 ~a17~0)) (.cse11 (= 1 ~a25~0)) (.cse23 (not (<= |old(~a19~0)| 0))) (.cse7 (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|)))) (.cse21 (= 1 ~a11~0)) (.cse14 (not (= 1 |old(~a11~0)|))) (.cse15 (not (<= |old(~a28~0)| 8))) (.cse24 (not (< |old(~a17~0)| 9))) (.cse8 (not (= 1 ~a21~0))) (.cse9 (not (<= |old(~a11~0)| 0))) (.cse4 (<= ~a11~0 |old(~a11~0)|)) (.cse19 (<= ~a17~0 |old(~a17~0)|)) (.cse20 (<= ~a28~0 |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 .cse9) (or .cse0 (and .cse10 (not .cse11)) .cse12 .cse2 .cse7 .cse8 .cse13 .cse14) (or .cse0 .cse2 (and .cse3 .cse6) .cse15 .cse8 .cse9) (or .cse0 .cse2 .cse16 (not (= 7 |old(~a28~0)|)) .cse7 .cse8 .cse9 (and .cse17 (= 7 ~a28~0))) (or .cse0 (and .cse3 .cse4 .cse10 .cse6) .cse2 .cse7 .cse8 .cse9 .cse13) (or .cse0 .cse2 .cse18 .cse7 .cse8 .cse9 .cse13 .cse11) (or (not (<= |old(~a17~0)| 7)) (and .cse19 .cse20 .cse21) .cse8 .cse14) (or .cse0 .cse2 .cse18 .cse7 .cse8 (and .cse10 .cse11) .cse13 .cse14) (or .cse0 .cse2 (and .cse3 .cse20 .cse21 .cse6) .cse8 (not (< |old(~a28~0)| 11)) .cse14) (or .cse0 .cse2 (and .cse3 .cse4 (= 11 ~a28~0) .cse6 .cse11) (not (= 11 |old(~a28~0)|)) .cse18 .cse7 .cse8 .cse9) (or .cse1 (and (= 7 ~a17~0) .cse17 .cse5 .cse22) .cse16 .cse23 (not (= 7 |old(~a17~0)|)) .cse8 .cse14) (or .cse1 .cse2 .cse18 (and .cse4 .cse5 .cse22 .cse6 .cse11) .cse23 .cse7 .cse8 .cse9) (or (and .cse20 .cse21 (< ~a17~0 9)) .cse15 .cse24 .cse8 .cse14) (or .cse15 .cse24 .cse8 .cse9 (and .cse4 .cse19 .cse20))))) [2020-07-21 01:25:51,437 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,437 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,437 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,437 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 01:25:51,437 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 01:25:51,437 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 01:25:51,437 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 01:25:51,437 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 01:25:51,438 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 01:25:51,438 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 01:25:51,438 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 01:25:51,438 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 01:25:51,438 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 01:25:51,438 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 01:25:51,438 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 01:25:51,438 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 01:25:51,438 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,438 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,439 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,439 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,439 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,439 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,439 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 01:25:51,439 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 01:25:51,439 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 01:25:51,439 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 01:25:51,439 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 01:25:51,440 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 01:25:51,440 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 01:25:51,440 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 01:25:51,440 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 01:25:51,440 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 01:25:51,440 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 01:25:51,440 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 01:25:51,440 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 01:25:51,440 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 01:25:51,440 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 01:25:51,441 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 01:25:51,441 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,441 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,441 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,441 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,441 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:25:51,441 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 01:25:51,441 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 01:25:51,441 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 01:25:51,442 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 01:25:51,443 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 01:25:51,443 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 01:25:51,443 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 01:25:51,443 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 01:25:51,443 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 01:25:51,443 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:25:51,443 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 01:25:51,443 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 01:25:51,443 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:25:51,444 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (and (= 1 ~a19~0) (<= ~a11~0 |old(~a11~0)|) (<= ~a25~0 0) (= 7 ~a28~0) (= 8 ~a17~0)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0))) [2020-07-21 01:25:51,444 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 1 ~a19~0)) (.cse5 (< ~a28~0 11)) (.cse4 (= 1 ~a11~0)) (.cse6 (<= ~a28~0 8)) (.cse7 (< ~a17~0 9)) (.cse1 (<= ~a11~0 0)) (.cse2 (= 8 ~a17~0)) (.cse3 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 (= 11 ~a28~0) .cse2 .cse3) (and .cse4 (<= ~a17~0 7)) (and .cse0 .cse1 .cse5 .cse2) (and .cse0 .cse4 .cse5 .cse2) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse4 .cse6 .cse7) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse6 .cse7) (not (<= |old(~a25~0)| 0)) (and .cse1 (= 10 ~a28~0) (<= ~a19~0 0) .cse2 .cse3))) [2020-07-21 01:25:51,444 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 01:25:51,444 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 01:25:51,444 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (< ~a28~0 11)) (.cse5 (= 1 ~a11~0)) (.cse6 (<= ~a28~0 8)) (.cse7 (< ~a17~0 9)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a11~0 0)) (.cse3 (= 8 ~a17~0)) (.cse4 (or (= 1 main_~input~0) (= 6 main_~input~0) (= 4 main_~input~0) (= 5 main_~input~0) (= 3 main_~input~0))) (.cse8 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse5 (<= ~a17~0 7)) (and .cse0 .cse5 .cse2 .cse3) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse5 .cse6 .cse7) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse6 .cse7) (not (<= |old(~a25~0)| 0)) (and .cse1 (= 10 ~a28~0) (<= ~a19~0 0) .cse3 .cse4 .cse8) (and .cse0 .cse1 (= 11 ~a28~0) .cse3 .cse4 .cse8))) [2020-07-21 01:25:51,444 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 01:25:51,444 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 01:25:51,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:25:51 BoogieIcfgContainer [2020-07-21 01:25:51,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 01:25:51,491 INFO L168 Benchmark]: Toolchain (without parser) took 42016.79 ms. Allocated memory was 136.8 MB in the beginning and 667.9 MB in the end (delta: 531.1 MB). Free memory was 100.3 MB in the beginning and 381.9 MB in the end (delta: -281.6 MB). Peak memory consumption was 529.5 MB. Max. memory is 7.1 GB. [2020-07-21 01:25:51,491 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 01:25:51,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.19 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 169.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2020-07-21 01:25:51,493 INFO L168 Benchmark]: Boogie Preprocessor took 100.84 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 164.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 01:25:51,494 INFO L168 Benchmark]: RCFGBuilder took 1272.47 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 164.8 MB in the beginning and 179.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-07-21 01:25:51,494 INFO L168 Benchmark]: TraceAbstraction took 39856.63 ms. Allocated memory was 232.8 MB in the beginning and 667.9 MB in the end (delta: 435.2 MB). Free memory was 179.9 MB in the beginning and 381.9 MB in the end (delta: -202.0 MB). Peak memory consumption was 513.2 MB. Max. memory is 7.1 GB. [2020-07-21 01:25:51,498 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 779.19 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 169.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.84 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 164.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1272.47 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 164.8 MB in the beginning and 179.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39856.63 ms. Allocated memory was 232.8 MB in the beginning and 667.9 MB in the end (delta: 435.2 MB). Free memory was 179.9 MB in the beginning and 381.9 MB in the end (delta: -202.0 MB). Peak memory consumption was 513.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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)) || !(7 == \old(a28))) || ((((1 == a19 && a11 <= 0) && 11 == a28) && 8 == a17) && 1 == a25)) || (1 == a11 && a17 <= 7)) || (((1 == a19 && a11 <= 0) && a28 < 11) && 8 == a17)) || (((1 == a19 && 1 == a11) && a28 < 11) && 8 == a17)) || !(1 == a21)) || !(\old(a11) <= 0)) || ((1 == a11 && a28 <= 8) && a17 < 9)) || !(8 == \old(a17))) || ((a11 <= 0 && a28 <= 8) && a17 < 9)) || !(\old(a25) <= 0)) || ((((a11 <= 0 && 10 == a28) && a19 <= 0) && 8 == a17) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.5s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 924 SDtfs, 6046 SDslu, 1430 SDs, 0 SdLazy, 15177 SolverSat, 1452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3370 GetRequests, 3130 SyntacticMatches, 22 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2060 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2167occurred 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 357 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 96 PreInvPairs, 133 NumberOfFragments, 987 HoareAnnotationTreeSize, 96 FomulaSimplifications, 4252 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1187 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 2017 NumberOfCodeBlocks, 1381 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3255 ConstructedInterpolants, 0 QuantifiedInterpolants, 8980353 SizeOfPredicates, 107 NumberOfNonLiveVariables, 3587 ConjunctsInSsa, 307 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 912/1147 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...