/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:56:56,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:56:56,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:56:56,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 22:56:56,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:56:56,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:56:56,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:56:56,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:56:56,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:56:56,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:56:56,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:56:56,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:56:56,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:56:56,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:56:56,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:56:56,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:56:56,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:56:56,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:56:56,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:56:56,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:56:56,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:56:56,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:56:56,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:56:56,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:56:56,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 22:56:56,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:56:56,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:56:56,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:56:56,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 22:56:56,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:56:56,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:56:56,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:56:56,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:56:56,156 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:56:56,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:56:56,156 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:56:56,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:56:56,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:56:56,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:56:56,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:56:56,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:56:56,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:56:56,158 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:56:56,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:56:56,158 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:56:56,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:56:56,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:56:56,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:56:56,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:56:56,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:56:56,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:56:56,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:56:56,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:56:56,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:56:56,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:56:56,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:56:56,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:56:56,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:56:56,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:56:56,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:56:56,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:56:56,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:56:56,488 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:56:56,488 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:56:56,489 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-07-21 22:56:56,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0723e19de/4cdb1534f62e435db6c69770912bd902/FLAG608cbac9d [2020-07-21 22:56:57,113 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:56:57,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-07-21 22:56:57,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0723e19de/4cdb1534f62e435db6c69770912bd902/FLAG608cbac9d [2020-07-21 22:56:57,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0723e19de/4cdb1534f62e435db6c69770912bd902 [2020-07-21 22:56:57,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:56:57,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:56:57,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:56:57,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:56:57,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:56:57,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:56:57" (1/1) ... [2020-07-21 22:56:57,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b58d8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:57, skipping insertion in model container [2020-07-21 22:56:57,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:56:57" (1/1) ... [2020-07-21 22:56:57,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:56:57,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:56:57,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:56:57,854 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:56:58,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:56:58,134 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:56:58,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:58 WrapperNode [2020-07-21 22:56:58,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:56:58,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:56:58,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:56:58,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:56:58,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:58" (1/1) ... [2020-07-21 22:56:58,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:58" (1/1) ... [2020-07-21 22:56:58,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:58" (1/1) ... [2020-07-21 22:56:58,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:58" (1/1) ... [2020-07-21 22:56:58,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:58" (1/1) ... [2020-07-21 22:56:58,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:58" (1/1) ... [2020-07-21 22:56:58,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:58" (1/1) ... [2020-07-21 22:56:58,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:56:58,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:56:58,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:56:58,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:56:58,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:56:58,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:56:58,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:56:58,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 22:56:58,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:56:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 22:56:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:56:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:56:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:56:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:56:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:56:58,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:56:59,555 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:56:59,555 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 22:56:59,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:56:59 BoogieIcfgContainer [2020-07-21 22:56:59,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:56:59,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:56:59,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:56:59,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:56:59,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:56:57" (1/3) ... [2020-07-21 22:56:59,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a79628e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:56:59, skipping insertion in model container [2020-07-21 22:56:59,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:56:58" (2/3) ... [2020-07-21 22:56:59,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a79628e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:56:59, skipping insertion in model container [2020-07-21 22:56:59,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:56:59" (3/3) ... [2020-07-21 22:56:59,580 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2020-07-21 22:56:59,591 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:56:59,603 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:56:59,617 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:56:59,652 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:56:59,653 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:56:59,654 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:56:59,655 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:56:59,655 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:56:59,655 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:56:59,655 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:56:59,656 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:56:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 22:56:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-21 22:56:59,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:56:59,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:56:59,712 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:56:59,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:56:59,719 INFO L82 PathProgramCache]: Analyzing trace with hash 231210793, now seen corresponding path program 1 times [2020-07-21 22:56:59,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:56:59,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301528719] [2020-07-21 22:56:59,730 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:56:59,931 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:56:59,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:56:59,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 22:56:59,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:00,444 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:57:00,449 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:57:00,450 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:57:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:00,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:57:00,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301528719] [2020-07-21 22:57:00,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:57:00,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 22:57:00,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656213926] [2020-07-21 22:57:00,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 22:57:00,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:00,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 22:57:00,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:57:00,649 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 22:57:01,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:01,924 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 22:57:01,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 22:57:01,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2020-07-21 22:57:01,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:01,941 INFO L225 Difference]: With dead ends: 527 [2020-07-21 22:57:01,941 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 22:57:01,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-07-21 22:57:01,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 22:57:02,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 22:57:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 22:57:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 22:57:02,010 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 143 [2020-07-21 22:57:02,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:02,011 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 22:57:02,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 22:57:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 22:57:02,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 22:57:02,016 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:02,016 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:57:02,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:02,230 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:02,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:02,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1011196440, now seen corresponding path program 1 times [2020-07-21 22:57:02,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:02,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102245024] [2020-07-21 22:57:02,231 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:02,354 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:57:02,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:02,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 22:57:02,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:02,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:03,374 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 22:57:03,376 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:57:03,378 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:57:03,379 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:57:03,380 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:57:03,403 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 22:57:03,403 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 22:57:03,437 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:03,516 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:03,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:03,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102245024] [2020-07-21 22:57:03,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:03,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 22:57:03,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049895065] [2020-07-21 22:57:03,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 22:57:03,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:03,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 22:57:03,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 22:57:03,664 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 22:57:04,817 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 22:57:06,018 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 22:57:07,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:07,709 INFO L93 Difference]: Finished difference Result 738 states and 1083 transitions. [2020-07-21 22:57:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 22:57:07,712 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 152 [2020-07-21 22:57:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:07,724 INFO L225 Difference]: With dead ends: 738 [2020-07-21 22:57:07,725 INFO L226 Difference]: Without dead ends: 423 [2020-07-21 22:57:07,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 281 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2020-07-21 22:57:07,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-21 22:57:07,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 393. [2020-07-21 22:57:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 22:57:07,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 533 transitions. [2020-07-21 22:57:07,781 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 533 transitions. Word has length 152 [2020-07-21 22:57:07,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:07,782 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 533 transitions. [2020-07-21 22:57:07,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 22:57:07,782 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 533 transitions. [2020-07-21 22:57:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-21 22:57:07,786 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:07,787 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:57:07,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:08,000 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:08,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:08,001 INFO L82 PathProgramCache]: Analyzing trace with hash 726605605, now seen corresponding path program 1 times [2020-07-21 22:57:08,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:08,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507083242] [2020-07-21 22:57:08,003 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:08,108 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:57:08,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:08,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 22:57:08,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:08,139 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 22:57:08,139 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:57:08,159 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:57:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:08,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:08,274 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:57:08,275 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:08,303 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:57:08,360 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:08,366 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:08,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507083242] [2020-07-21 22:57:08,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:08,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:57:08,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782577859] [2020-07-21 22:57:08,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:57:08,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:08,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:57:08,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:57:08,391 INFO L87 Difference]: Start difference. First operand 393 states and 533 transitions. Second operand 7 states. [2020-07-21 22:57:10,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:10,051 INFO L93 Difference]: Finished difference Result 1434 states and 2028 transitions. [2020-07-21 22:57:10,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 22:57:10,051 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-07-21 22:57:10,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:10,059 INFO L225 Difference]: With dead ends: 1434 [2020-07-21 22:57:10,059 INFO L226 Difference]: Without dead ends: 1047 [2020-07-21 22:57:10,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-07-21 22:57:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2020-07-21 22:57:10,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1015. [2020-07-21 22:57:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-07-21 22:57:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1272 transitions. [2020-07-21 22:57:10,112 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1272 transitions. Word has length 164 [2020-07-21 22:57:10,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:10,113 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1272 transitions. [2020-07-21 22:57:10,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:57:10,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1272 transitions. [2020-07-21 22:57:10,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-21 22:57:10,118 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:10,118 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:57:10,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:10,333 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:10,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:10,334 INFO L82 PathProgramCache]: Analyzing trace with hash 689826632, now seen corresponding path program 1 times [2020-07-21 22:57:10,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:10,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393380205] [2020-07-21 22:57:10,335 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:10,447 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:57:10,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:10,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 27 conjunts are in the unsatisfiable core [2020-07-21 22:57:10,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:10,496 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:57:10,497 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:57:10,497 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:57:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:57:10,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:57:10,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393380205] [2020-07-21 22:57:10,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:57:10,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 22:57:10,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472830246] [2020-07-21 22:57:10,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 22:57:10,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:10,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 22:57:10,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 22:57:10,597 INFO L87 Difference]: Start difference. First operand 1015 states and 1272 transitions. Second operand 4 states. [2020-07-21 22:57:11,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:11,264 INFO L93 Difference]: Finished difference Result 2113 states and 2682 transitions. [2020-07-21 22:57:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 22:57:11,265 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 178 [2020-07-21 22:57:11,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:11,277 INFO L225 Difference]: With dead ends: 2113 [2020-07-21 22:57:11,277 INFO L226 Difference]: Without dead ends: 1015 [2020-07-21 22:57:11,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 22:57:11,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-07-21 22:57:11,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2020-07-21 22:57:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-07-21 22:57:11,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1266 transitions. [2020-07-21 22:57:11,345 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1266 transitions. Word has length 178 [2020-07-21 22:57:11,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:11,348 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1266 transitions. [2020-07-21 22:57:11,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 22:57:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1266 transitions. [2020-07-21 22:57:11,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-21 22:57:11,353 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:11,354 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:57:11,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:11,568 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:11,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:11,568 INFO L82 PathProgramCache]: Analyzing trace with hash 134344238, now seen corresponding path program 1 times [2020-07-21 22:57:11,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:11,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428302653] [2020-07-21 22:57:11,569 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:11,694 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:57:11,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:11,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 33 conjunts are in the unsatisfiable core [2020-07-21 22:57:11,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:11,803 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:57:11,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:57:11,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428302653] [2020-07-21 22:57:11,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:57:11,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 22:57:11,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791942262] [2020-07-21 22:57:11,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 22:57:11,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:11,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 22:57:11,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 22:57:11,808 INFO L87 Difference]: Start difference. First operand 1015 states and 1266 transitions. Second operand 4 states. [2020-07-21 22:57:12,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:12,489 INFO L93 Difference]: Finished difference Result 2113 states and 2711 transitions. [2020-07-21 22:57:12,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 22:57:12,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 185 [2020-07-21 22:57:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:12,499 INFO L225 Difference]: With dead ends: 2113 [2020-07-21 22:57:12,500 INFO L226 Difference]: Without dead ends: 1015 [2020-07-21 22:57:12,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 22:57:12,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-07-21 22:57:12,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2020-07-21 22:57:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-07-21 22:57:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1260 transitions. [2020-07-21 22:57:12,538 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1260 transitions. Word has length 185 [2020-07-21 22:57:12,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:12,539 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1260 transitions. [2020-07-21 22:57:12,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 22:57:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1260 transitions. [2020-07-21 22:57:12,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-07-21 22:57:12,555 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:12,555 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:57:12,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:12,769 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:12,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:12,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1526735866, now seen corresponding path program 1 times [2020-07-21 22:57:12,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:12,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782078656] [2020-07-21 22:57:12,770 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:12,876 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:57:12,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:12,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:57:12,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:12,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:12,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782078656] [2020-07-21 22:57:12,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:12,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:57:12,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063532157] [2020-07-21 22:57:12,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:57:12,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:12,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:57:12,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:57:12,996 INFO L87 Difference]: Start difference. First operand 1015 states and 1260 transitions. Second operand 7 states. [2020-07-21 22:57:13,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:13,956 INFO L93 Difference]: Finished difference Result 2679 states and 3578 transitions. [2020-07-21 22:57:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:57:13,960 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-07-21 22:57:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:13,971 INFO L225 Difference]: With dead ends: 2679 [2020-07-21 22:57:13,971 INFO L226 Difference]: Without dead ends: 1670 [2020-07-21 22:57:13,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:57:13,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2020-07-21 22:57:14,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1628. [2020-07-21 22:57:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1628 states. [2020-07-21 22:57:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2036 transitions. [2020-07-21 22:57:14,029 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2036 transitions. Word has length 191 [2020-07-21 22:57:14,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:14,030 INFO L479 AbstractCegarLoop]: Abstraction has 1628 states and 2036 transitions. [2020-07-21 22:57:14,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:57:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2036 transitions. [2020-07-21 22:57:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-07-21 22:57:14,035 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:14,036 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:57:14,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:14,249 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:14,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:14,250 INFO L82 PathProgramCache]: Analyzing trace with hash -818970531, now seen corresponding path program 1 times [2020-07-21 22:57:14,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:14,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953598164] [2020-07-21 22:57:14,251 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:14,353 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:57:14,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:14,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:57:14,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:14,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:14,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953598164] [2020-07-21 22:57:14,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:14,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:57:14,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066912531] [2020-07-21 22:57:14,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:57:14,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:14,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:57:14,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:57:14,492 INFO L87 Difference]: Start difference. First operand 1628 states and 2036 transitions. Second operand 7 states. [2020-07-21 22:57:15,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:15,786 INFO L93 Difference]: Finished difference Result 4169 states and 5265 transitions. [2020-07-21 22:57:15,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 22:57:15,786 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2020-07-21 22:57:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:15,798 INFO L225 Difference]: With dead ends: 4169 [2020-07-21 22:57:15,798 INFO L226 Difference]: Without dead ends: 2547 [2020-07-21 22:57:15,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 405 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 22:57:15,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2547 states. [2020-07-21 22:57:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2547 to 2526. [2020-07-21 22:57:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2526 states. [2020-07-21 22:57:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 2936 transitions. [2020-07-21 22:57:15,869 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 2936 transitions. Word has length 205 [2020-07-21 22:57:15,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:15,870 INFO L479 AbstractCegarLoop]: Abstraction has 2526 states and 2936 transitions. [2020-07-21 22:57:15,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:57:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2936 transitions. [2020-07-21 22:57:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-07-21 22:57:15,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:15,880 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 22:57:16,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:16,094 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:16,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:16,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1903954533, now seen corresponding path program 1 times [2020-07-21 22:57:16,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:16,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947715671] [2020-07-21 22:57:16,096 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:16,222 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:57:16,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:16,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 22:57:16,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-07-21 22:57:16,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 184 proven. 77 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-21 22:57:16,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947715671] [2020-07-21 22:57:16,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:16,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:57:16,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922968991] [2020-07-21 22:57:16,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:57:16,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:16,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:57:16,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:57:16,526 INFO L87 Difference]: Start difference. First operand 2526 states and 2936 transitions. Second operand 7 states. [2020-07-21 22:57:16,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:16,993 INFO L93 Difference]: Finished difference Result 4585 states and 5424 transitions. [2020-07-21 22:57:16,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 22:57:16,994 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 312 [2020-07-21 22:57:16,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:16,994 INFO L225 Difference]: With dead ends: 4585 [2020-07-21 22:57:16,994 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:57:17,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 616 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 22:57:17,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:57:17,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:57:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:57:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:57:17,006 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 312 [2020-07-21 22:57:17,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:17,006 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:57:17,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:57:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:57:17,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:57:17,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:17,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:57:18,655 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2020-07-21 22:57:18,957 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 34 [2020-07-21 22:57:19,224 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2020-07-21 22:57:19,229 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:57:19,229 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) (not (= 1 ~a21~0))) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 22:57:19,229 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:57:19,229 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,229 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 22:57:19,230 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 22:57:19,231 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 22:57:19,231 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 22:57:19,231 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:57:19,231 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:57:19,231 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 22:57:19,231 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,231 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,231 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,231 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,231 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 22:57:19,232 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,232 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 22:57:19,232 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 22:57:19,232 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 22:57:19,232 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 22:57:19,232 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 22:57:19,232 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 22:57:19,232 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 22:57:19,233 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:57:19,233 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:57:19,233 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 22:57:19,233 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 22:57:19,233 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 22:57:19,233 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:57:19,233 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:57:19,233 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 22:57:19,233 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,233 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,234 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,234 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,234 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,234 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 583) no Hoare annotation was computed. [2020-07-21 22:57:19,234 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:57:19,234 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 22:57:19,234 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:57:19,235 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 22:57:19,235 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 22:57:19,235 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 22:57:19,235 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 22:57:19,235 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 22:57:19,235 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 22:57:19,235 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 22:57:19,235 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 22:57:19,235 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,236 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,236 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,236 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,236 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,236 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 22:57:19,236 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 22:57:19,236 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 22:57:19,236 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 22:57:19,236 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 22:57:19,237 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 22:57:19,237 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 22:57:19,237 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 22:57:19,237 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 22:57:19,237 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 22:57:19,237 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 22:57:19,237 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 22:57:19,237 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 22:57:19,237 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,238 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,238 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,238 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,238 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,238 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 22:57:19,238 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 22:57:19,238 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 22:57:19,238 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 22:57:19,239 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 22:57:19,239 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 22:57:19,239 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 22:57:19,239 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 22:57:19,239 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 22:57:19,239 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 22:57:19,239 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 22:57:19,239 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 22:57:19,239 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 22:57:19,240 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:57:19,240 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 22:57:19,240 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:57:19,240 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,240 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,240 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,240 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,240 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 22:57:19,241 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,241 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:57:19,241 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,241 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:57:19,241 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:57:19,241 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:57:19,241 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,241 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,241 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 22:57:19,242 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 22:57:19,242 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 22:57:19,242 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 22:57:19,242 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 22:57:19,242 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 22:57:19,242 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 22:57:19,242 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 22:57:19,242 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 22:57:19,242 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 22:57:19,243 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 22:57:19,243 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,243 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,243 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,243 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,243 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,243 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,243 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 22:57:19,243 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 22:57:19,243 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 22:57:19,244 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 22:57:19,244 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 22:57:19,244 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 22:57:19,244 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 22:57:19,244 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 22:57:19,244 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 22:57:19,244 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 22:57:19,244 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 22:57:19,245 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,245 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,245 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,245 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,245 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,245 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,245 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 22:57:19,245 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 22:57:19,245 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 22:57:19,246 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 22:57:19,246 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 22:57:19,246 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 22:57:19,246 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 22:57:19,246 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 22:57:19,246 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 22:57:19,246 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 22:57:19,246 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 22:57:19,246 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 22:57:19,246 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 22:57:19,247 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 22:57:19,247 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,247 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,247 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,247 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (not (<= |old(~a25~0)| 0))) (.cse12 (= 1 ~a11~0)) (.cse13 (not (= 1 |old(~a11~0)|))) (.cse0 (<= ~a28~0 |old(~a28~0)|)) (.cse15 (<= ~a17~0 |old(~a17~0)|)) (.cse16 (= ~a19~0 |old(~a19~0)|)) (.cse17 (<= |old(~a28~0)| ~a28~0)) (.cse10 (not (< |old(~a28~0)| 11))) (.cse11 (not (= 10 |old(~a28~0)|))) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse6 (and (not (= 6 |calculate_output_#in~input|)) (not (= 1 |calculate_output_#in~input|)) (not (= 4 |calculate_output_#in~input|)) (not (= 5 |calculate_output_#in~input|)) (not (= 3 |calculate_output_#in~input|)))) (.cse7 (= 8 ~a17~0)) (.cse3 (not (= 1 |old(~a19~0)|))) (.cse9 (<= ~a11~0 |old(~a11~0)|)) (.cse14 (not (= 1 |old(~a25~0)|))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse2 (not (= 1 ~a21~0))) (.cse8 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 (not (<= |old(~a28~0)| 9)) .cse1 .cse2) (or .cse3 .cse4 .cse5 (not (= 7 |old(~a28~0)|)) .cse6 .cse2 .cse7 .cse8) (or .cse9 .cse1 .cse2 .cse8 .cse10) (or .cse11 (and .cse12 (= 7 ~a17~0)) .cse5 (not (<= |old(~a19~0)| 0)) (not (= 7 |old(~a17~0)|)) .cse2 .cse13) (or .cse3 .cse4 .cse14 (and .cse12 .cse7) .cse2 (not (= 9 |old(~a28~0)|)) .cse13) (or .cse3 .cse14 (and .cse15 .cse0 .cse16 .cse17 (= 1 ~a25~0)) .cse1 .cse2) (or (and .cse15 (< ~a28~0 11) .cse16 .cse17 (= ~a25~0 |old(~a25~0)|)) .cse1 .cse2 .cse10) (or .cse3 .cse11 .cse4 .cse6 .cse2 .cse7 .cse8) (or .cse3 .cse9 .cse14 .cse1 .cse2 .cse8))) [2020-07-21 22:57:19,248 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,248 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,248 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,248 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 22:57:19,248 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 22:57:19,248 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 22:57:19,248 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 22:57:19,248 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 22:57:19,248 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 22:57:19,249 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 22:57:19,249 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 22:57:19,249 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 22:57:19,249 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 22:57:19,249 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 22:57:19,249 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 22:57:19,249 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 22:57:19,249 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,249 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,250 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,250 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,250 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,250 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,250 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 22:57:19,250 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 22:57:19,250 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 22:57:19,250 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 22:57:19,250 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 22:57:19,251 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 22:57:19,251 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 22:57:19,251 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 22:57:19,251 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 22:57:19,251 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 22:57:19,251 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 22:57:19,251 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:57:19,251 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:57:19,251 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 22:57:19,252 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 22:57:19,252 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 22:57:19,252 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,252 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,252 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,252 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,252 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:19,252 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 22:57:19,253 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 22:57:19,253 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 22:57:19,253 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 22:57:19,253 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 22:57:19,253 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 22:57:19,253 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 22:57:19,253 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 22:57:19,253 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 22:57:19,254 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 22:57:19,254 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 22:57:19,254 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:57:19,254 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 22:57:19,254 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:57:19,254 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 22:57:19,254 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:57:19,254 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:57:19,254 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 22:57:19,255 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 22:57:19,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:57:19,255 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 7 ~a28~0) (= 1 ~a21~0) (= 8 ~a17~0)) [2020-07-21 22:57:19,255 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:57:19,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:57:19,255 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and (<= ~a11~0 |old(~a11~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= 8 ~a17~0) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|))) [2020-07-21 22:57:19,255 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (= 1 ~a19~0) .cse0 (= 1 ~a25~0)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (< ~a28~0 11)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)))) [2020-07-21 22:57:19,256 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:57:19,256 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:57:19,256 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (= 1 ~a19~0) .cse0 (= 1 ~a25~0)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (< ~a28~0 11)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)))) [2020-07-21 22:57:19,256 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 22:57:19,256 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 22:57:19,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:57:19 BoogieIcfgContainer [2020-07-21 22:57:19,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:57:19,277 INFO L168 Benchmark]: Toolchain (without parser) took 21870.10 ms. Allocated memory was 136.8 MB in the beginning and 492.8 MB in the end (delta: 356.0 MB). Free memory was 99.0 MB in the beginning and 312.7 MB in the end (delta: -213.7 MB). Peak memory consumption was 381.2 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:19,278 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory is still 118.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 22:57:19,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.61 ms. Allocated memory was 136.8 MB in the beginning and 202.9 MB in the end (delta: 66.1 MB). Free memory was 98.6 MB in the beginning and 169.2 MB in the end (delta: -70.6 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:19,279 INFO L168 Benchmark]: Boogie Preprocessor took 122.01 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 164.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:19,280 INFO L168 Benchmark]: RCFGBuilder took 1311.60 ms. Allocated memory was 202.9 MB in the beginning and 233.3 MB in the end (delta: 30.4 MB). Free memory was 164.2 MB in the beginning and 179.3 MB in the end (delta: -15.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:19,281 INFO L168 Benchmark]: TraceAbstraction took 19704.51 ms. Allocated memory was 233.3 MB in the beginning and 492.8 MB in the end (delta: 259.5 MB). Free memory was 179.3 MB in the beginning and 312.7 MB in the end (delta: -133.5 MB). Peak memory consumption was 365.0 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:19,284 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 136.8 MB. Free memory is still 118.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 725.61 ms. Allocated memory was 136.8 MB in the beginning and 202.9 MB in the end (delta: 66.1 MB). Free memory was 98.6 MB in the beginning and 169.2 MB in the end (delta: -70.6 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.01 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 164.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1311.60 ms. Allocated memory was 202.9 MB in the beginning and 233.3 MB in the end (delta: 30.4 MB). Free memory was 164.2 MB in the beginning and 179.3 MB in the end (delta: -15.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19704.51 ms. Allocated memory was 233.3 MB in the beginning and 492.8 MB in the end (delta: 259.5 MB). Free memory was 179.3 MB in the beginning and 312.7 MB in the end (delta: -133.5 MB). Peak memory consumption was 365.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 583]: 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)) || !(8 == \old(a17))) || ((1 == a19 && a17 <= 8) && 1 == a25)) || !(\old(a25) <= 0)) || !(7 == \old(a28))) || (a17 <= 8 && a28 < 11)) || !(1 == a21)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.5s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 618 SDtfs, 3923 SDslu, 723 SDs, 0 SdLazy, 7955 SolverSat, 1118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2598 GetRequests, 2497 SyntacticMatches, 8 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2526occurred 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 125 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 86 PreInvPairs, 138 NumberOfFragments, 456 HoareAnnotationTreeSize, 86 FomulaSimplifications, 1739 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3569 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1530 NumberOfCodeBlocks, 859 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2541 ConstructedInterpolants, 0 QuantifiedInterpolants, 2505075 SizeOfPredicates, 56 NumberOfNonLiveVariables, 2704 ConjunctsInSsa, 176 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 885/984 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...