/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 22:04:03,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 22:04:03,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 22:04:03,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 22:04:03,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 22:04:03,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 22:04:03,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 22:04:03,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 22:04:03,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 22:04:03,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 22:04:03,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 22:04:03,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 22:04:03,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 22:04:03,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 22:04:03,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 22:04:03,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 22:04:03,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 22:04:03,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 22:04:03,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 22:04:03,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 22:04:03,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 22:04:03,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 22:04:03,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 22:04:03,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 22:04:03,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 22:04:03,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 22:04:03,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 22:04:03,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 22:04:03,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 22:04:03,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 22:04:03,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 22:04:03,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 22:04:03,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 22:04:03,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 22:04:03,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 22:04:03,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 22:04:03,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 22:04:03,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 22:04:03,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 22:04:03,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 22:04:03,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 22:04:03,481 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 22:04:03,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 22:04:03,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 22:04:03,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 22:04:03,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 22:04:03,498 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 22:04:03,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 22:04:03,499 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 22:04:03,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 22:04:03,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 22:04:03,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 22:04:03,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 22:04:03,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 22:04:03,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 22:04:03,500 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 22:04:03,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 22:04:03,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 22:04:03,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 22:04:03,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 22:04:03,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 22:04:03,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 22:04:03,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 22:04:03,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:04:03,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 22:04:03,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 22:04:03,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 22:04:03,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 22:04:03,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:03,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 22:04:03,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 22:04:03,503 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 -> 4 [2020-07-20 22:04:03,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 22:04:03,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 22:04:03,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 22:04:03,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 22:04:03,898 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 22:04:03,899 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-07-20 22:04:03,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db7874ad9/5c615e7cb0664ac98fc7232c757842f2/FLAGd48ec97dd [2020-07-20 22:04:04,513 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 22:04:04,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-07-20 22:04:04,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db7874ad9/5c615e7cb0664ac98fc7232c757842f2/FLAGd48ec97dd [2020-07-20 22:04:04,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db7874ad9/5c615e7cb0664ac98fc7232c757842f2 [2020-07-20 22:04:04,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 22:04:04,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 22:04:04,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 22:04:04,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 22:04:04,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 22:04:04,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:04:04" (1/1) ... [2020-07-20 22:04:04,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9047ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:04, skipping insertion in model container [2020-07-20 22:04:04,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:04:04" (1/1) ... [2020-07-20 22:04:04,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 22:04:04,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 22:04:05,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:04:05,482 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 22:04:05,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 22:04:05,610 INFO L208 MainTranslator]: Completed translation [2020-07-20 22:04:05,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:05 WrapperNode [2020-07-20 22:04:05,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 22:04:05,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 22:04:05,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 22:04:05,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 22:04:05,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:05" (1/1) ... [2020-07-20 22:04:05,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:05" (1/1) ... [2020-07-20 22:04:05,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:05" (1/1) ... [2020-07-20 22:04:05,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:05" (1/1) ... [2020-07-20 22:04:05,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:05" (1/1) ... [2020-07-20 22:04:05,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:05" (1/1) ... [2020-07-20 22:04:05,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:05" (1/1) ... [2020-07-20 22:04:05,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 22:04:05,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 22:04:05,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 22:04:05,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 22:04:05,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 22:04:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 22:04:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 22:04:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 22:04:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 22:04:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 22:04:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 22:04:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 22:04:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 22:04:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 22:04:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 22:04:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 22:04:06,967 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 22:04:06,968 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 22:04:06,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:04:06 BoogieIcfgContainer [2020-07-20 22:04:06,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 22:04:06,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 22:04:06,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 22:04:06,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 22:04:06,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:04:04" (1/3) ... [2020-07-20 22:04:06,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc65f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:04:06, skipping insertion in model container [2020-07-20 22:04:06,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:04:05" (2/3) ... [2020-07-20 22:04:06,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc65f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:04:06, skipping insertion in model container [2020-07-20 22:04:06,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:04:06" (3/3) ... [2020-07-20 22:04:06,983 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2020-07-20 22:04:06,994 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 22:04:07,003 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 22:04:07,018 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 22:04:07,045 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 22:04:07,045 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 22:04:07,046 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 22:04:07,046 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 22:04:07,046 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 22:04:07,046 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 22:04:07,047 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 22:04:07,047 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 22:04:07,074 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 22:04:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-20 22:04:07,097 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:04:07,099 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] [2020-07-20 22:04:07,100 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:04:07,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:04:07,107 INFO L82 PathProgramCache]: Analyzing trace with hash 927745969, now seen corresponding path program 1 times [2020-07-20 22:04:07,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:04:07,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1161716029] [2020-07-20 22:04:07,120 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:07,289 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:04:07,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:04:07,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 22:04:07,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:04:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:04:07,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:04:07,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1161716029] [2020-07-20 22:04:07,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:04:07,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:04:07,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978560615] [2020-07-20 22:04:07,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:04:07,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:04:07,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:04:07,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:04:07,430 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 22:04:08,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:04:08,358 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2020-07-20 22:04:08,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:04:08,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-07-20 22:04:08,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:04:08,391 INFO L225 Difference]: With dead ends: 615 [2020-07-20 22:04:08,392 INFO L226 Difference]: Without dead ends: 317 [2020-07-20 22:04:08,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:04:08,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-20 22:04:08,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-20 22:04:08,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-20 22:04:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2020-07-20 22:04:08,521 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 105 [2020-07-20 22:04:08,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:04:08,522 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2020-07-20 22:04:08,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:04:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2020-07-20 22:04:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-20 22:04:08,527 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:04:08,528 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] [2020-07-20 22:04:08,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:08,743 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:04:08,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:04:08,745 INFO L82 PathProgramCache]: Analyzing trace with hash -643989844, now seen corresponding path program 1 times [2020-07-20 22:04:08,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:04:08,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787922219] [2020-07-20 22:04:08,746 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:08,850 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:04:08,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:04:08,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:04:08,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:04:08,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:04:08,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:04:08,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787922219] [2020-07-20 22:04:08,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:04:08,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:04:08,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882875616] [2020-07-20 22:04:08,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:04:08,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:04:08,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:04:08,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:04:08,950 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 3 states. [2020-07-20 22:04:09,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:04:09,594 INFO L93 Difference]: Finished difference Result 919 states and 1406 transitions. [2020-07-20 22:04:09,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:04:09,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-20 22:04:09,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:04:09,601 INFO L225 Difference]: With dead ends: 919 [2020-07-20 22:04:09,601 INFO L226 Difference]: Without dead ends: 608 [2020-07-20 22:04:09,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:04:09,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-07-20 22:04:09,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 462. [2020-07-20 22:04:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-07-20 22:04:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 642 transitions. [2020-07-20 22:04:09,655 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 642 transitions. Word has length 120 [2020-07-20 22:04:09,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:04:09,658 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 642 transitions. [2020-07-20 22:04:09,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:04:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 642 transitions. [2020-07-20 22:04:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-07-20 22:04:09,668 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:04:09,668 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] [2020-07-20 22:04:09,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:09,896 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:04:09,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:04:09,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1033644135, now seen corresponding path program 1 times [2020-07-20 22:04:09,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:04:09,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820609538] [2020-07-20 22:04:09,899 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:10,037 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:04:10,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:04:10,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:04:10,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:04:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:04:10,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:04:10,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820609538] [2020-07-20 22:04:10,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:04:10,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:04:10,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769234538] [2020-07-20 22:04:10,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:04:10,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:04:10,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:04:10,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:04:10,134 INFO L87 Difference]: Start difference. First operand 462 states and 642 transitions. Second operand 3 states. [2020-07-20 22:04:10,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:04:10,753 INFO L93 Difference]: Finished difference Result 1209 states and 1740 transitions. [2020-07-20 22:04:10,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:04:10,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-07-20 22:04:10,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:04:10,769 INFO L225 Difference]: With dead ends: 1209 [2020-07-20 22:04:10,769 INFO L226 Difference]: Without dead ends: 753 [2020-07-20 22:04:10,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:04:10,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-07-20 22:04:10,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 609. [2020-07-20 22:04:10,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-20 22:04:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 820 transitions. [2020-07-20 22:04:10,810 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 820 transitions. Word has length 127 [2020-07-20 22:04:10,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:04:10,810 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 820 transitions. [2020-07-20 22:04:10,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:04:10,811 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 820 transitions. [2020-07-20 22:04:10,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-20 22:04:10,814 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:04:10,814 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] [2020-07-20 22:04:11,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:11,020 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:04:11,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:04:11,020 INFO L82 PathProgramCache]: Analyzing trace with hash -288422879, now seen corresponding path program 1 times [2020-07-20 22:04:11,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:04:11,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975913571] [2020-07-20 22:04:11,022 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:11,152 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:04:11,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:04:11,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 22:04:11,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:04:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:04:11,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:04:11,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975913571] [2020-07-20 22:04:11,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:04:11,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:04:11,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544312486] [2020-07-20 22:04:11,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:04:11,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:04:11,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:04:11,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:04:11,200 INFO L87 Difference]: Start difference. First operand 609 states and 820 transitions. Second operand 5 states. [2020-07-20 22:04:12,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:04:12,119 INFO L93 Difference]: Finished difference Result 1827 states and 2557 transitions. [2020-07-20 22:04:12,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:04:12,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-07-20 22:04:12,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:04:12,129 INFO L225 Difference]: With dead ends: 1827 [2020-07-20 22:04:12,129 INFO L226 Difference]: Without dead ends: 1224 [2020-07-20 22:04:12,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-20 22:04:12,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-07-20 22:04:12,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1208. [2020-07-20 22:04:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-07-20 22:04:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1597 transitions. [2020-07-20 22:04:12,181 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1597 transitions. Word has length 131 [2020-07-20 22:04:12,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:04:12,181 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1597 transitions. [2020-07-20 22:04:12,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:04:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1597 transitions. [2020-07-20 22:04:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-20 22:04:12,186 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:04:12,186 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:04:12,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:12,400 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:04:12,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:04:12,401 INFO L82 PathProgramCache]: Analyzing trace with hash -2107190021, now seen corresponding path program 1 times [2020-07-20 22:04:12,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:04:12,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740277696] [2020-07-20 22:04:12,403 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:12,505 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:04:12,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:04:12,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 22:04:12,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:04:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:04:12,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:04:12,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740277696] [2020-07-20 22:04:12,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:04:12,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 22:04:12,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927641811] [2020-07-20 22:04:12,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 22:04:12,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:04:12,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 22:04:12,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 22:04:12,573 INFO L87 Difference]: Start difference. First operand 1208 states and 1597 transitions. Second operand 5 states. [2020-07-20 22:04:13,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:04:13,476 INFO L93 Difference]: Finished difference Result 2890 states and 3972 transitions. [2020-07-20 22:04:13,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:04:13,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-07-20 22:04:13,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:04:13,495 INFO L225 Difference]: With dead ends: 2890 [2020-07-20 22:04:13,495 INFO L226 Difference]: Without dead ends: 1688 [2020-07-20 22:04:13,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 22:04:13,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2020-07-20 22:04:13,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1680. [2020-07-20 22:04:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-07-20 22:04:13,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2186 transitions. [2020-07-20 22:04:13,582 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2186 transitions. Word has length 140 [2020-07-20 22:04:13,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:04:13,582 INFO L479 AbstractCegarLoop]: Abstraction has 1680 states and 2186 transitions. [2020-07-20 22:04:13,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 22:04:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2186 transitions. [2020-07-20 22:04:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 22:04:13,593 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:04:13,594 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 22:04:13,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:13,808 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:04:13,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:04:13,808 INFO L82 PathProgramCache]: Analyzing trace with hash -120934292, now seen corresponding path program 1 times [2020-07-20 22:04:13,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:04:13,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408464574] [2020-07-20 22:04:13,809 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:13,915 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:04:13,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:04:13,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:04:13,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:04:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:04:13,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:04:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:04:14,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408464574] [2020-07-20 22:04:14,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:04:14,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 22:04:14,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942801154] [2020-07-20 22:04:14,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:04:14,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:04:14,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:04:14,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:04:14,047 INFO L87 Difference]: Start difference. First operand 1680 states and 2186 transitions. Second operand 6 states. [2020-07-20 22:04:14,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:04:14,857 INFO L93 Difference]: Finished difference Result 3362 states and 4385 transitions. [2020-07-20 22:04:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:04:14,857 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2020-07-20 22:04:14,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:04:14,871 INFO L225 Difference]: With dead ends: 3362 [2020-07-20 22:04:14,872 INFO L226 Difference]: Without dead ends: 1533 [2020-07-20 22:04:14,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 292 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 22:04:14,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-07-20 22:04:14,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1526. [2020-07-20 22:04:14,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-07-20 22:04:14,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1835 transitions. [2020-07-20 22:04:14,940 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1835 transitions. Word has length 149 [2020-07-20 22:04:14,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:04:14,940 INFO L479 AbstractCegarLoop]: Abstraction has 1526 states and 1835 transitions. [2020-07-20 22:04:14,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:04:14,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1835 transitions. [2020-07-20 22:04:14,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 22:04:14,945 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:04:14,945 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 22:04:15,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:15,159 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:04:15,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:04:15,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1053781276, now seen corresponding path program 1 times [2020-07-20 22:04:15,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:04:15,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466876085] [2020-07-20 22:04:15,161 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:15,268 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:04:15,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:04:15,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 22:04:15,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:04:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:04:15,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:04:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:04:15,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466876085] [2020-07-20 22:04:15,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:04:15,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 22:04:15,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127061967] [2020-07-20 22:04:15,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:04:15,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:04:15,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:04:15,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:04:15,389 INFO L87 Difference]: Start difference. First operand 1526 states and 1835 transitions. Second operand 6 states. [2020-07-20 22:04:16,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:04:16,741 INFO L93 Difference]: Finished difference Result 4976 states and 6577 transitions. [2020-07-20 22:04:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 22:04:16,741 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2020-07-20 22:04:16,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:04:16,769 INFO L225 Difference]: With dead ends: 4976 [2020-07-20 22:04:16,769 INFO L226 Difference]: Without dead ends: 3456 [2020-07-20 22:04:16,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-20 22:04:16,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3456 states. [2020-07-20 22:04:16,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3456 to 3213. [2020-07-20 22:04:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3213 states. [2020-07-20 22:04:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 3885 transitions. [2020-07-20 22:04:16,886 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 3885 transitions. Word has length 153 [2020-07-20 22:04:16,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:04:16,886 INFO L479 AbstractCegarLoop]: Abstraction has 3213 states and 3885 transitions. [2020-07-20 22:04:16,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:04:16,886 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 3885 transitions. [2020-07-20 22:04:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-20 22:04:16,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:04:16,925 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] [2020-07-20 22:04:17,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:17,126 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:04:17,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:04:17,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1869326033, now seen corresponding path program 1 times [2020-07-20 22:04:17,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:04:17,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645778970] [2020-07-20 22:04:17,127 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:17,227 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:04:17,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:04:17,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:04:17,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:04:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 22:04:17,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 22:04:17,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645778970] [2020-07-20 22:04:17,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 22:04:17,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 22:04:17,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80591182] [2020-07-20 22:04:17,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 22:04:17,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:04:17,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 22:04:17,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:04:17,277 INFO L87 Difference]: Start difference. First operand 3213 states and 3885 transitions. Second operand 3 states. [2020-07-20 22:04:17,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:04:17,858 INFO L93 Difference]: Finished difference Result 6267 states and 7621 transitions. [2020-07-20 22:04:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 22:04:17,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-07-20 22:04:17,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:04:17,874 INFO L225 Difference]: With dead ends: 6267 [2020-07-20 22:04:17,874 INFO L226 Difference]: Without dead ends: 3064 [2020-07-20 22:04:17,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 22:04:17,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3064 states. [2020-07-20 22:04:17,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3064 to 2918. [2020-07-20 22:04:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2918 states. [2020-07-20 22:04:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 3378 transitions. [2020-07-20 22:04:17,969 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 3378 transitions. Word has length 163 [2020-07-20 22:04:17,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:04:17,969 INFO L479 AbstractCegarLoop]: Abstraction has 2918 states and 3378 transitions. [2020-07-20 22:04:17,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 22:04:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3378 transitions. [2020-07-20 22:04:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-07-20 22:04:17,980 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 22:04:17,980 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2020-07-20 22:04:18,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:18,194 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 22:04:18,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 22:04:18,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1712063712, now seen corresponding path program 1 times [2020-07-20 22:04:18,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 22:04:18,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177220400] [2020-07-20 22:04:18,195 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:18,329 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 22:04:18,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 22:04:18,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 22:04:18,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 22:04:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-20 22:04:18,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 22:04:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 129 proven. 45 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-07-20 22:04:18,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177220400] [2020-07-20 22:04:18,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 22:04:18,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 22:04:18,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640909712] [2020-07-20 22:04:18,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 22:04:18,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 22:04:18,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 22:04:18,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 22:04:18,537 INFO L87 Difference]: Start difference. First operand 2918 states and 3378 transitions. Second operand 6 states. [2020-07-20 22:04:19,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 22:04:19,458 INFO L93 Difference]: Finished difference Result 5536 states and 6438 transitions. [2020-07-20 22:04:19,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 22:04:19,459 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2020-07-20 22:04:19,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 22:04:19,459 INFO L225 Difference]: With dead ends: 5536 [2020-07-20 22:04:19,459 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 22:04:19,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 434 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 22:04:19,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 22:04:19,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 22:04:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 22:04:19,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 22:04:19,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2020-07-20 22:04:19,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 22:04:19,507 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 22:04:19,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 22:04:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 22:04:19,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 22:04:19,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 22:04:19,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 22:04:20,771 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 60 [2020-07-20 22:04:21,002 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2020-07-20 22:04:21,219 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2020-07-20 22:04:21,224 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:04:21,224 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2020-07-20 22:04:21,224 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 22:04:21,225 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 22:04:21,226 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,227 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 22:04:21,227 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 22:04:21,227 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 22:04:21,227 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 22:04:21,227 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 22:04:21,227 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 22:04:21,227 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 22:04:21,227 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 22:04:21,227 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 22:04:21,227 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 22:04:21,228 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 22:04:21,228 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 22:04:21,228 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 22:04:21,228 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 22:04:21,228 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 22:04:21,228 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,228 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,228 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,228 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,228 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,229 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2020-07-20 22:04:21,229 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 22:04:21,229 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 22:04:21,229 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 22:04:21,229 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 22:04:21,229 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 22:04:21,229 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 22:04:21,230 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 22:04:21,230 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 22:04:21,230 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 22:04:21,230 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 22:04:21,230 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 22:04:21,230 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,230 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,230 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,230 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 22:04:21,231 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 22:04:21,232 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 22:04:21,232 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 22:04:21,232 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,232 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,232 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,232 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,232 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,232 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 22:04:21,233 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 22:04:21,234 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 22:04:21,235 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 22:04:21,236 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,237 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 22:04:21,238 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 22:04:21,239 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,239 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,239 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,239 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 |old(~a28~0)|)) (.cse10 (<= 8 ~a17~0)) (.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse12 (= ~a25~0 |old(~a25~0)|))) (let ((.cse6 (not (<= 11 |old(~a28~0)|))) (.cse3 (<= 11 ~a28~0)) (.cse11 (<= 9 ~a28~0)) (.cse8 (not (<= 9 |old(~a28~0)|))) (.cse15 (not (<= 10 |old(~a28~0)|))) (.cse14 (<= 10 ~a28~0)) (.cse7 (not (<= |old(~a28~0)| 10))) (.cse9 (not (<= 8 |old(~a17~0)|))) (.cse17 (and .cse1 .cse10 .cse2 .cse12)) (.cse13 (not (<= |old(~a19~0)| 0))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse16 (not (<= |old(~a28~0)| 7))) (.cse5 (not (= 1 |old(~a25~0)|))) (.cse4 (= 1 ~a25~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse0 .cse7 .cse8 .cse9 (and .cse1 .cse10 .cse2 .cse11 .cse12)) (or .cse13 .cse6 .cse3) (or .cse0 (and (<= ~a28~0 10) .cse14 .cse2) .cse7 .cse15) (or (and .cse1 .cse2 .cse11 .cse12) .cse8 .cse13) (or .cse0 .cse7 (and .cse1 .cse10 .cse2 .cse4) .cse9 .cse5) (or .cse13 .cse15 .cse14) (or .cse0 .cse16 .cse9 .cse17) (or .cse7 .cse9 .cse17 .cse13) (or .cse0 .cse16 .cse5 (and .cse1 .cse2 .cse4))))) [2020-07-20 22:04:21,239 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,239 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,239 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,239 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 22:04:21,239 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 22:04:21,239 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,240 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 22:04:21,241 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 22:04:21,242 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 22:04:21,243 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 22:04:21,243 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 22:04:21,243 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 22:04:21,243 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 22:04:21,243 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 22:04:21,243 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 22:04:21,243 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 22:04:21,243 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 22:04:21,244 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 22:04:21,244 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 22:04:21,244 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 22:04:21,244 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 22:04:21,244 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 22:04:21,244 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 22:04:21,244 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 22:04:21,244 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-20 22:04:21,245 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 22:04:21,245 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 22:04:21,245 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and (<= ~a28~0 |old(~a28~0)|) (<= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|))) [2020-07-20 22:04:21,245 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 7)) (.cse5 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 10)) (.cse0 (= 1 ~a19~0)) (.cse1 (= 1 ~a25~0)) (.cse3 (<= 8 ~a17~0)) (.cse6 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (<= 11 ~a28~0) .cse1) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse6 .cse5) (and .cse0 .cse4 (<= 10 ~a28~0)) (and .cse0 .cse3 .cse1) (and .cse3 .cse6))) [2020-07-20 22:04:21,245 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 22:04:21,245 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 22:04:21,246 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 7)) (.cse5 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 10)) (.cse0 (= 1 ~a19~0)) (.cse1 (= 1 ~a25~0)) (.cse3 (<= 8 ~a17~0)) (.cse6 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (<= 11 ~a28~0) .cse1) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and .cse6 .cse5) (and .cse0 .cse4 (<= 10 ~a28~0)) (and .cse0 .cse3 .cse1) (and .cse3 .cse6))) [2020-07-20 22:04:21,246 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 22:04:21,246 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 22:04:21,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:04:21 BoogieIcfgContainer [2020-07-20 22:04:21,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 22:04:21,270 INFO L168 Benchmark]: Toolchain (without parser) took 16441.58 ms. Allocated memory was 147.8 MB in the beginning and 431.5 MB in the end (delta: 283.6 MB). Free memory was 103.7 MB in the beginning and 159.9 MB in the end (delta: -56.2 MB). Peak memory consumption was 227.4 MB. Max. memory is 7.1 GB. [2020-07-20 22:04:21,271 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 22:04:21,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.61 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 103.3 MB in the beginning and 170.3 MB in the end (delta: -67.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2020-07-20 22:04:21,272 INFO L168 Benchmark]: Boogie Preprocessor took 104.09 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 165.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 22:04:21,273 INFO L168 Benchmark]: RCFGBuilder took 1258.57 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 165.7 MB in the beginning and 177.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2020-07-20 22:04:21,273 INFO L168 Benchmark]: TraceAbstraction took 14291.97 ms. Allocated memory was 237.0 MB in the beginning and 431.5 MB in the end (delta: 194.5 MB). Free memory was 175.6 MB in the beginning and 159.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 210.2 MB. Max. memory is 7.1 GB. [2020-07-20 22:04:21,277 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 781.61 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 103.3 MB in the beginning and 170.3 MB in the end (delta: -67.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.09 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 165.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1258.57 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 165.7 MB in the beginning and 177.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14291.97 ms. Allocated memory was 237.0 MB in the beginning and 431.5 MB in the end (delta: 194.5 MB). Free memory was 175.6 MB in the beginning and 159.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 210.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == \old(a19)) || ((1 == a19 && 11 <= a28) && 1 == a25)) || ((1 == a19 && a28 <= 7) && 1 == a25)) || (((1 == a19 && 8 <= a17) && a28 <= 10) && 9 <= a28)) || ((1 == a19 && 8 <= a17) && a28 <= 7)) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || (a19 <= 0 && 9 <= a28)) || ((1 == a19 && a28 <= 10) && 10 <= a28)) || ((1 == a19 && 8 <= a17) && 1 == a25)) || (8 <= a17 && a19 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1142 SDtfs, 2821 SDslu, 517 SDs, 0 SdLazy, 5472 SolverSat, 989 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1841 GetRequests, 1800 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3213occurred 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: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 710 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 160 NumberOfFragments, 461 HoareAnnotationTreeSize, 110 FomulaSimplifications, 4126 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1659 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1307 NumberOfCodeBlocks, 1307 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1816 ConstructedInterpolants, 0 QuantifiedInterpolants, 540060 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3359 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 750/805 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...