/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 DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:09:04,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 20:09:04,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 20:09:04,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 20:09:04,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 20:09:04,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 20:09:04,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 20:09:04,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 20:09:04,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 20:09:04,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 20:09:04,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 20:09:04,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 20:09:04,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:09:04,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:09:04,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:09:04,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:09:04,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:09:04,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:09:04,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:09:04,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:09:04,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:09:04,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:09:04,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:09:04,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:09:04,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 20:09:04,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:09:04,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:09:04,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:09:04,339 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 20:09:04,360 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:09:04,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:09:04,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:09:04,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:09:04,363 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:09:04,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:09:04,363 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:09:04,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:09:04,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:09:04,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:09:04,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:09:04,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:09:04,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:09:04,364 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:09:04,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:09:04,365 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:09:04,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:09:04,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:09:04,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:09:04,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:09:04,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:09:04,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:09:04,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:09:04,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:09:04,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:09:04,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:09:04,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:04,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:09:04,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:09:04,368 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 -> DAGSIZE 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 -> 2 [2020-07-21 20:09:04,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:09:04,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:09:04,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:09:04,716 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:09:04,717 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:09:04,717 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-07-21 20:09:04,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d161896a/2d3e7c38a27d402e8dda781da9943bf7/FLAGd6f68e5a0 [2020-07-21 20:09:05,409 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:09:05,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-07-21 20:09:05,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d161896a/2d3e7c38a27d402e8dda781da9943bf7/FLAGd6f68e5a0 [2020-07-21 20:09:05,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d161896a/2d3e7c38a27d402e8dda781da9943bf7 [2020-07-21 20:09:05,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:09:05,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:09:05,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:09:05,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:09:05,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:09:05,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:09:05" (1/1) ... [2020-07-21 20:09:05,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c48897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:05, skipping insertion in model container [2020-07-21 20:09:05,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:09:05" (1/1) ... [2020-07-21 20:09:05,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:09:05,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:09:06,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:09:06,150 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:09:06,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:09:06,481 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:09:06,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:06 WrapperNode [2020-07-21 20:09:06,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:09:06,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:09:06,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:09:06,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:09:06,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:06" (1/1) ... [2020-07-21 20:09:06,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:06" (1/1) ... [2020-07-21 20:09:06,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:06" (1/1) ... [2020-07-21 20:09:06,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:06" (1/1) ... [2020-07-21 20:09:06,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:06" (1/1) ... [2020-07-21 20:09:06,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:06" (1/1) ... [2020-07-21 20:09:06,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:06" (1/1) ... [2020-07-21 20:09:06,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:09:06,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:09:06,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:09:06,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:09:06,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:06" (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 20:09:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:09:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:09:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 20:09:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:09:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 20:09:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:09:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 20:09:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 20:09:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:09:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:09:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:09:07,799 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:09:07,800 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 20:09:07,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:09:07 BoogieIcfgContainer [2020-07-21 20:09:07,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:09:07,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:09:07,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:09:07,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:09:07,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:09:05" (1/3) ... [2020-07-21 20:09:07,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5098ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:09:07, skipping insertion in model container [2020-07-21 20:09:07,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:09:06" (2/3) ... [2020-07-21 20:09:07,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5098ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:09:07, skipping insertion in model container [2020-07-21 20:09:07,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:09:07" (3/3) ... [2020-07-21 20:09:07,816 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-07-21 20:09:07,827 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:09:07,836 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:09:07,851 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:09:07,878 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:09:07,879 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:09:07,879 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:09:07,879 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:09:07,879 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:09:07,880 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:09:07,880 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:09:07,880 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:09:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 20:09:07,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-21 20:09:07,918 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:09:07,920 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] [2020-07-21 20:09:07,920 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:09:07,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:09:07,927 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2020-07-21 20:09:07,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:09:07,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966472333] [2020-07-21 20:09:07,938 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 20:09:08,144 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:09:08,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:09:08,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:09:08,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:09:08,268 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 20:09:08,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:09:08,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966472333] [2020-07-21 20:09:08,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:09:08,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:09:08,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852400618] [2020-07-21 20:09:08,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:09:08,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:09:08,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:09:08,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:09:08,298 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 20:09:09,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:09:09,341 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2020-07-21 20:09:09,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:09:09,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-07-21 20:09:09,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:09:09,374 INFO L225 Difference]: With dead ends: 615 [2020-07-21 20:09:09,375 INFO L226 Difference]: Without dead ends: 317 [2020-07-21 20:09:09,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 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 20:09:09,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-21 20:09:09,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-21 20:09:09,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-21 20:09:09,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2020-07-21 20:09:09,493 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 123 [2020-07-21 20:09:09,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:09:09,494 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2020-07-21 20:09:09,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:09:09,495 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2020-07-21 20:09:09,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-21 20:09:09,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:09:09,500 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:09:09,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:09,704 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:09:09,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:09:09,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1925797076, now seen corresponding path program 1 times [2020-07-21 20:09:09,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:09:09,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812033542] [2020-07-21 20:09:09,707 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 20:09:09,833 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:09:09,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:09:09,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:09:09,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:09:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:09:09,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:09:09,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812033542] [2020-07-21 20:09:09,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:09:09,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:09:09,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053738891] [2020-07-21 20:09:09,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:09:09,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:09:09,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:09:09,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:09:09,963 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 3 states. [2020-07-21 20:09:10,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:09:10,595 INFO L93 Difference]: Finished difference Result 919 states and 1406 transitions. [2020-07-21 20:09:10,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:09:10,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-21 20:09:10,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:09:10,602 INFO L225 Difference]: With dead ends: 919 [2020-07-21 20:09:10,602 INFO L226 Difference]: Without dead ends: 608 [2020-07-21 20:09:10,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 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 20:09:10,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-07-21 20:09:10,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 462. [2020-07-21 20:09:10,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-07-21 20:09:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 642 transitions. [2020-07-21 20:09:10,662 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 642 transitions. Word has length 138 [2020-07-21 20:09:10,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:09:10,663 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 642 transitions. [2020-07-21 20:09:10,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:09:10,664 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 642 transitions. [2020-07-21 20:09:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-21 20:09:10,669 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:09:10,669 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 20:09:10,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:10,883 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:09:10,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:09:10,884 INFO L82 PathProgramCache]: Analyzing trace with hash -295293823, now seen corresponding path program 1 times [2020-07-21 20:09:10,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:09:10,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420938008] [2020-07-21 20:09:10,885 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 20:09:11,004 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:09:11,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:09:11,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:09:11,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:09:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:09:11,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:09:11,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420938008] [2020-07-21 20:09:11,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:09:11,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:09:11,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516063167] [2020-07-21 20:09:11,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:09:11,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:09:11,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:09:11,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:09:11,061 INFO L87 Difference]: Start difference. First operand 462 states and 642 transitions. Second operand 3 states. [2020-07-21 20:09:11,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:09:11,722 INFO L93 Difference]: Finished difference Result 1209 states and 1740 transitions. [2020-07-21 20:09:11,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:09:11,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-21 20:09:11,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:09:11,728 INFO L225 Difference]: With dead ends: 1209 [2020-07-21 20:09:11,729 INFO L226 Difference]: Without dead ends: 753 [2020-07-21 20:09:11,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 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 20:09:11,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-07-21 20:09:11,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 609. [2020-07-21 20:09:11,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-21 20:09:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 820 transitions. [2020-07-21 20:09:11,809 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 820 transitions. Word has length 145 [2020-07-21 20:09:11,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:09:11,811 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 820 transitions. [2020-07-21 20:09:11,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:09:11,811 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 820 transitions. [2020-07-21 20:09:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 20:09:11,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:09:11,821 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:09:12,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:12,023 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:09:12,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:09:12,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2124265719, now seen corresponding path program 1 times [2020-07-21 20:09:12,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:09:12,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011350086] [2020-07-21 20:09:12,025 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 20:09:12,131 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:09:12,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:09:12,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:09:12,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:09:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:09:12,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:09:12,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011350086] [2020-07-21 20:09:12,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:09:12,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:09:12,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284921250] [2020-07-21 20:09:12,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:09:12,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:09:12,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:09:12,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:09:12,181 INFO L87 Difference]: Start difference. First operand 609 states and 820 transitions. Second operand 3 states. [2020-07-21 20:09:12,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:09:12,830 INFO L93 Difference]: Finished difference Result 1505 states and 2105 transitions. [2020-07-21 20:09:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:09:12,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-21 20:09:12,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:09:12,836 INFO L225 Difference]: With dead ends: 1505 [2020-07-21 20:09:12,836 INFO L226 Difference]: Without dead ends: 902 [2020-07-21 20:09:12,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 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 20:09:12,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-07-21 20:09:12,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 756. [2020-07-21 20:09:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-07-21 20:09:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 988 transitions. [2020-07-21 20:09:12,886 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 988 transitions. Word has length 149 [2020-07-21 20:09:12,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:09:12,887 INFO L479 AbstractCegarLoop]: Abstraction has 756 states and 988 transitions. [2020-07-21 20:09:12,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:09:12,887 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 988 transitions. [2020-07-21 20:09:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-21 20:09:12,892 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:09:12,892 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:09:13,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:13,107 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:09:13,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:09:13,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1399604522, now seen corresponding path program 1 times [2020-07-21 20:09:13,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:09:13,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472074716] [2020-07-21 20:09:13,109 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 20:09:13,219 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:09:13,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:09:13,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:09:13,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:09:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:09:13,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:09:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:09:13,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472074716] [2020-07-21 20:09:13,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:09:13,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 20:09:13,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406497659] [2020-07-21 20:09:13,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 20:09:13,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:09:13,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 20:09:13,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:09:13,372 INFO L87 Difference]: Start difference. First operand 756 states and 988 transitions. Second operand 7 states. [2020-07-21 20:09:14,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:09:14,397 INFO L93 Difference]: Finished difference Result 1824 states and 2492 transitions. [2020-07-21 20:09:14,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 20:09:14,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-07-21 20:09:14,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:09:14,408 INFO L225 Difference]: With dead ends: 1824 [2020-07-21 20:09:14,408 INFO L226 Difference]: Without dead ends: 1074 [2020-07-21 20:09:14,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 342 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 20:09:14,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2020-07-21 20:09:14,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 920. [2020-07-21 20:09:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-07-21 20:09:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1204 transitions. [2020-07-21 20:09:14,479 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1204 transitions. Word has length 174 [2020-07-21 20:09:14,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:09:14,480 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1204 transitions. [2020-07-21 20:09:14,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 20:09:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1204 transitions. [2020-07-21 20:09:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-21 20:09:14,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:09:14,492 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:09:14,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:14,706 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:09:14,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:09:14,706 INFO L82 PathProgramCache]: Analyzing trace with hash 869514523, now seen corresponding path program 1 times [2020-07-21 20:09:14,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:09:14,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20840058] [2020-07-21 20:09:14,708 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 20:09:14,823 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:09:14,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:09:14,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 20:09:14,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:09:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-21 20:09:14,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:09:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-21 20:09:14,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20840058] [2020-07-21 20:09:14,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:09:14,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 20:09:14,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380024203] [2020-07-21 20:09:14,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 20:09:14,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:09:14,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 20:09:14,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:09:14,963 INFO L87 Difference]: Start difference. First operand 920 states and 1204 transitions. Second operand 7 states. [2020-07-21 20:09:16,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:09:16,479 INFO L93 Difference]: Finished difference Result 3366 states and 4682 transitions. [2020-07-21 20:09:16,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 20:09:16,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-07-21 20:09:16,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:09:16,498 INFO L225 Difference]: With dead ends: 3366 [2020-07-21 20:09:16,498 INFO L226 Difference]: Without dead ends: 2452 [2020-07-21 20:09:16,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 20:09:16,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2020-07-21 20:09:16,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 2444. [2020-07-21 20:09:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2444 states. [2020-07-21 20:09:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3109 transitions. [2020-07-21 20:09:16,619 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3109 transitions. Word has length 182 [2020-07-21 20:09:16,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:09:16,620 INFO L479 AbstractCegarLoop]: Abstraction has 2444 states and 3109 transitions. [2020-07-21 20:09:16,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 20:09:16,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3109 transitions. [2020-07-21 20:09:16,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-21 20:09:16,634 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:09:16,635 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:09:16,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:16,850 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:09:16,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:09:16,851 INFO L82 PathProgramCache]: Analyzing trace with hash -307383145, now seen corresponding path program 1 times [2020-07-21 20:09:16,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:09:16,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451913841] [2020-07-21 20:09:16,851 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 20:09:16,969 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:09:16,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:09:16,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:09:16,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:09:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:09:17,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:09:17,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451913841] [2020-07-21 20:09:17,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:09:17,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:09:17,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187616421] [2020-07-21 20:09:17,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:09:17,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:09:17,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:09:17,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:09:17,024 INFO L87 Difference]: Start difference. First operand 2444 states and 3109 transitions. Second operand 3 states. [2020-07-21 20:09:17,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:09:17,700 INFO L93 Difference]: Finished difference Result 7129 states and 9243 transitions. [2020-07-21 20:09:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:09:17,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-07-21 20:09:17,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:09:17,730 INFO L225 Difference]: With dead ends: 7129 [2020-07-21 20:09:17,731 INFO L226 Difference]: Without dead ends: 4695 [2020-07-21 20:09:17,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 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 20:09:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2020-07-21 20:09:17,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4546. [2020-07-21 20:09:17,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4546 states. [2020-07-21 20:09:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4546 states to 4546 states and 5795 transitions. [2020-07-21 20:09:17,985 INFO L78 Accepts]: Start accepts. Automaton has 4546 states and 5795 transitions. Word has length 181 [2020-07-21 20:09:17,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:09:17,985 INFO L479 AbstractCegarLoop]: Abstraction has 4546 states and 5795 transitions. [2020-07-21 20:09:17,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:09:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 4546 states and 5795 transitions. [2020-07-21 20:09:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-21 20:09:18,015 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:09:18,016 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 20:09:18,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:18,230 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:09:18,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:09:18,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1619189299, now seen corresponding path program 1 times [2020-07-21 20:09:18,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:09:18,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781611504] [2020-07-21 20:09:18,232 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 20:09:18,355 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:09:18,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:09:18,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 20:09:18,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:09:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-21 20:09:18,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:09:18,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781611504] [2020-07-21 20:09:18,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:09:18,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 20:09:18,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341329144] [2020-07-21 20:09:18,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 20:09:18,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:09:18,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 20:09:18,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:09:18,421 INFO L87 Difference]: Start difference. First operand 4546 states and 5795 transitions. Second operand 5 states. [2020-07-21 20:09:19,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:09:19,259 INFO L93 Difference]: Finished difference Result 9048 states and 11366 transitions. [2020-07-21 20:09:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 20:09:19,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-07-21 20:09:19,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:09:19,286 INFO L225 Difference]: With dead ends: 9048 [2020-07-21 20:09:19,287 INFO L226 Difference]: Without dead ends: 4512 [2020-07-21 20:09:19,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-21 20:09:19,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2020-07-21 20:09:19,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 3312. [2020-07-21 20:09:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-07-21 20:09:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 3842 transitions. [2020-07-21 20:09:19,496 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 3842 transitions. Word has length 212 [2020-07-21 20:09:19,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:09:19,497 INFO L479 AbstractCegarLoop]: Abstraction has 3312 states and 3842 transitions. [2020-07-21 20:09:19,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 20:09:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 3842 transitions. [2020-07-21 20:09:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-21 20:09:19,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:09:19,509 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2020-07-21 20:09:19,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:19,723 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:09:19,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:09:19,724 INFO L82 PathProgramCache]: Analyzing trace with hash -548929934, now seen corresponding path program 1 times [2020-07-21 20:09:19,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:09:19,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539042462] [2020-07-21 20:09:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 20:09:19,853 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:09:19,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:09:19,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:09:19,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:09:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-21 20:09:19,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:09:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 143 proven. 30 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-21 20:09:19,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539042462] [2020-07-21 20:09:19,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:09:19,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 20:09:20,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692156926] [2020-07-21 20:09:20,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 20:09:20,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:09:20,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 20:09:20,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 20:09:20,001 INFO L87 Difference]: Start difference. First operand 3312 states and 3842 transitions. Second operand 6 states. [2020-07-21 20:09:20,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:09:20,561 INFO L93 Difference]: Finished difference Result 6357 states and 7526 transitions. [2020-07-21 20:09:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 20:09:20,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2020-07-21 20:09:20,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:09:20,576 INFO L225 Difference]: With dead ends: 6357 [2020-07-21 20:09:20,576 INFO L226 Difference]: Without dead ends: 3051 [2020-07-21 20:09:20,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 450 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:09:20,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2020-07-21 20:09:20,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3003. [2020-07-21 20:09:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3003 states. [2020-07-21 20:09:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 3416 transitions. [2020-07-21 20:09:20,656 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 3416 transitions. Word has length 228 [2020-07-21 20:09:20,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:09:20,657 INFO L479 AbstractCegarLoop]: Abstraction has 3003 states and 3416 transitions. [2020-07-21 20:09:20,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 20:09:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 3416 transitions. [2020-07-21 20:09:20,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-07-21 20:09:20,667 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:09:20,667 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] [2020-07-21 20:09:20,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:20,883 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:09:20,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:09:20,884 INFO L82 PathProgramCache]: Analyzing trace with hash -726614399, now seen corresponding path program 1 times [2020-07-21 20:09:20,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:09:20,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680036752] [2020-07-21 20:09:20,885 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 20:09:20,997 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:09:20,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:09:20,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 20:09:21,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:09:21,047 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 20:09:21,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:09:21,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680036752] [2020-07-21 20:09:21,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:09:21,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:09:21,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156972870] [2020-07-21 20:09:21,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:09:21,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:09:21,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:09:21,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:09:21,050 INFO L87 Difference]: Start difference. First operand 3003 states and 3416 transitions. Second operand 3 states. [2020-07-21 20:09:21,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:09:21,630 INFO L93 Difference]: Finished difference Result 7314 states and 8414 transitions. [2020-07-21 20:09:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:09:21,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-07-21 20:09:21,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:09:21,631 INFO L225 Difference]: With dead ends: 7314 [2020-07-21 20:09:21,631 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:09:21,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 227 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 20:09:21,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:09:21,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:09:21,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:09:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:09:21,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2020-07-21 20:09:21,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:09:21,645 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:09:21,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:09:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:09:21,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:09:21,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:09:21,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:09:23,317 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-07-21 20:09:23,636 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2020-07-21 20:09:23,955 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2020-07-21 20:09:23,959 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:09:23,960 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|)) [2020-07-21 20:09:23,960 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:09:23,960 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,960 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,960 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,960 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,960 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,960 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 20:09:23,961 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 20:09:23,961 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 20:09:23,961 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 20:09:23,961 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 20:09:23,961 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 20:09:23,961 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 20:09:23,961 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 20:09:23,961 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 20:09:23,961 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 20:09:23,961 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 20:09:23,962 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 20:09:23,963 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 20:09:23,963 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 20:09:23,963 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 20:09:23,963 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 20:09:23,963 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 20:09:23,963 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 20:09:23,963 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 20:09:23,963 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 20:09:23,964 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 20:09:23,964 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 20:09:23,964 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,964 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,964 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,964 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,965 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,965 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2020-07-21 20:09:23,965 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 20:09:23,965 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 20:09:23,965 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 20:09:23,965 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 20:09:23,965 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 20:09:23,965 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 20:09:23,966 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 20:09:23,966 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 20:09:23,966 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 20:09:23,966 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 20:09:23,966 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 20:09:23,966 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,966 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,966 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,967 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,967 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,967 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 20:09:23,967 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 20:09:23,967 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 20:09:23,967 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 20:09:23,967 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 20:09:23,967 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 20:09:23,968 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 20:09:23,968 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 20:09:23,968 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 20:09:23,968 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 20:09:23,968 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 20:09:23,968 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 20:09:23,968 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 20:09:23,969 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,969 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,969 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,969 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,969 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,969 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 20:09:23,969 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 20:09:23,969 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 20:09:23,970 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 20:09:23,970 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 20:09:23,970 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 20:09:23,970 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 20:09:23,970 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 20:09:23,970 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 20:09:23,970 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 20:09:23,970 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,971 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 20:09:23,972 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 20:09:23,973 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,974 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 20:09:23,975 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 20:09:23,976 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 20:09:23,976 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,976 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,976 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,976 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= 1 |old(~a19~0)|)) (.cse2 (<= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a28~0 |old(~a28~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= 1 ~a25~0))) (let ((.cse0 (not (<= 10 |old(~a28~0)|))) (.cse13 (and .cse2 .cse3 .cse4 .cse9)) (.cse5 (not .cse10)) (.cse12 (not (<= 8 |old(~a17~0)|))) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse6 (<= ~a11~0 0)) (.cse11 (not (<= |old(~a28~0)| 8))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse7 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (<= 10 ~a28~0) .cse4)) (or .cse5 .cse6 .cse0 .cse1 .cse7) (or (not (<= |old(~a28~0)| 7)) (and .cse2 .cse6 .cse3 .cse4) .cse1 .cse7) (or .cse6 .cse8 .cse0 .cse1 .cse7) (or .cse8 .cse0 .cse1 .cse9) (or .cse10 .cse11 (and .cse2 .cse3 .cse4) .cse1) (or .cse5 .cse6 .cse12 .cse1 .cse7) (or .cse13 .cse11 .cse8 .cse1) (or .cse12 (and .cse3 (<= ~a17~0 8) (<= 8 ~a17~0) .cse4) .cse1) (or .cse10 .cse13 .cse8 .cse1) (or .cse5 (not (<= 11 |old(~a28~0)|)) (<= 11 ~a28~0) .cse1) (or .cse6 .cse11 .cse8 .cse1 .cse7) (or .cse12 .cse8 .cse1 .cse9) (or .cse10 .cse6 .cse11 .cse1 .cse7)))) [2020-07-21 20:09:23,976 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,976 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,977 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,977 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 20:09:23,977 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 20:09:23,977 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 20:09:23,977 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 20:09:23,977 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 20:09:23,977 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 20:09:23,977 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 20:09:23,978 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 20:09:23,978 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 20:09:23,978 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 20:09:23,978 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 20:09:23,978 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 20:09:23,978 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 20:09:23,978 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,978 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,979 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,979 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,979 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,979 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,979 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 20:09:23,979 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 20:09:23,979 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 20:09:23,979 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 20:09:23,980 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 20:09:23,980 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 20:09:23,980 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 20:09:23,980 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 20:09:23,980 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 20:09:23,980 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 20:09:23,980 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 20:09:23,980 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 20:09:23,980 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 20:09:23,981 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 20:09:23,981 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 20:09:23,981 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 20:09:23,981 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,981 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,981 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,981 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,981 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 20:09:23,982 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 20:09:23,982 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 20:09:23,982 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 20:09:23,982 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 20:09:23,982 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 20:09:23,982 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 20:09:23,982 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 20:09:23,982 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 20:09:23,982 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 20:09:23,983 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 20:09:23,983 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 20:09:23,983 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 20:09:23,983 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 20:09:23,983 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 20:09:23,983 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 20:09:23,983 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 20:09:23,983 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 20:09:23,983 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 20:09:23,983 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 20:09:23,984 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:09:23,984 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-21 20:09:23,984 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:09:23,984 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:09:23,984 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (and (<= ~a11~0 0) (<= ~a28~0 |old(~a28~0)|) (<= ~a17~0 8) (<= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-21 20:09:23,984 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= 1 ~a19~0))) (.cse0 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 8)) (.cse2 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse0 (<= 10 ~a28~0)) (and .cse0 .cse3 .cse1) (and (<= ~a11~0 0) .cse0 (<= ~a28~0 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse3 .cse2))) [2020-07-21 20:09:23,985 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 20:09:23,985 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 20:09:23,985 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= 1 ~a19~0))) (.cse0 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 8)) (.cse2 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse0 (<= 10 ~a28~0)) (and .cse0 .cse3 .cse1) (and (<= ~a11~0 0) .cse0 (<= ~a28~0 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 (<= 8 ~a17~0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse3 .cse2))) [2020-07-21 20:09:23,985 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 20:09:23,985 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 20:09:24,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:09:24 BoogieIcfgContainer [2020-07-21 20:09:24,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:09:24,013 INFO L168 Benchmark]: Toolchain (without parser) took 18357.99 ms. Allocated memory was 142.1 MB in the beginning and 490.7 MB in the end (delta: 348.7 MB). Free memory was 102.1 MB in the beginning and 206.1 MB in the end (delta: -104.0 MB). Peak memory consumption was 385.4 MB. Max. memory is 7.1 GB. [2020-07-21 20:09:24,013 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 20:09:24,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.17 ms. Allocated memory was 142.1 MB in the beginning and 206.6 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 173.5 MB in the end (delta: -71.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2020-07-21 20:09:24,015 INFO L168 Benchmark]: Boogie Preprocessor took 111.35 ms. Allocated memory is still 206.6 MB. Free memory was 173.5 MB in the beginning and 168.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-21 20:09:24,016 INFO L168 Benchmark]: RCFGBuilder took 1212.94 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 168.7 MB in the beginning and 183.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-07-21 20:09:24,017 INFO L168 Benchmark]: TraceAbstraction took 16202.59 ms. Allocated memory was 240.1 MB in the beginning and 490.7 MB in the end (delta: 250.6 MB). Free memory was 182.0 MB in the beginning and 206.1 MB in the end (delta: -24.1 MB). Peak memory consumption was 367.2 MB. Max. memory is 7.1 GB. [2020-07-21 20:09:24,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 824.17 ms. Allocated memory was 142.1 MB in the beginning and 206.6 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 173.5 MB in the end (delta: -71.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.35 ms. Allocated memory is still 206.6 MB. Free memory was 173.5 MB in the beginning and 168.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.94 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 168.7 MB in the beginning and 183.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16202.59 ms. Allocated memory was 240.1 MB in the beginning and 490.7 MB in the end (delta: 250.6 MB). Free memory was 182.0 MB in the beginning and 206.1 MB in the end (delta: -24.1 MB). Peak memory consumption was 367.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: 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)) || ((a17 <= 8 && !(1 == a19)) && 1 == a25)) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || (a17 <= 8 && 10 <= a28)) || ((a17 <= 8 && a28 <= 8) && !(1 == a19))) || ((a11 <= 0 && a17 <= 8) && a28 <= 7)) || !(\old(a17) <= 8)) || (a17 <= 8 && 8 <= a17)) || !(\old(a11) <= 0)) || ((a17 <= 8 && a28 <= 8) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1253 SDtfs, 2569 SDslu, 418 SDs, 0 SdLazy, 5449 SolverSat, 995 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2347 GetRequests, 2313 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4546occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 1995 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 175 PreInvPairs, 233 NumberOfFragments, 509 HoareAnnotationTreeSize, 175 FomulaSimplifications, 2496 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2294 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1761 NumberOfCodeBlocks, 1761 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2332 ConstructedInterpolants, 0 QuantifiedInterpolants, 789218 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4238 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 1070/1116 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...