/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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:57:12,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:57:12,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:57:12,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 22:57:12,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:57:12,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:57:12,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:57:12,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:57:12,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:57:12,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:57:12,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:57:12,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:57:12,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:57:12,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:57:12,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:57:12,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:57:12,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:57:12,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:57:12,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:57:12,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:57:12,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:57:12,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:57:12,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:57:12,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:57:12,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 22:57:12,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:57:12,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:57:12,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:57:12,528 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 22:57:12,565 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:57:12,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:57:12,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:57:12,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:57:12,567 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:57:12,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:57:12,567 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:57:12,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:57:12,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:57:12,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:57:12,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:57:12,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:57:12,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:57:12,571 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:57:12,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:57:12,571 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:57:12,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:57:12,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:57:12,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:57:12,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:57:12,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:57:12,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:57:12,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:57:12,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:57:12,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:57:12,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:57:12,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:12,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:57:12,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:57:12,575 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 22:57:12,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:57:12,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:57:12,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:57:12,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:57:12,867 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:57:12,867 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label54.c [2020-07-21 22:57:12,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9891588b1/c19c6680369e4eb185f3562a19092fe0/FLAG87759acad [2020-07-21 22:57:13,529 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:57:13,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label54.c [2020-07-21 22:57:13,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9891588b1/c19c6680369e4eb185f3562a19092fe0/FLAG87759acad [2020-07-21 22:57:13,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9891588b1/c19c6680369e4eb185f3562a19092fe0 [2020-07-21 22:57:13,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:57:13,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:57:13,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:57:13,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:57:13,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:57:13,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:57:13" (1/1) ... [2020-07-21 22:57:13,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@993f34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:13, skipping insertion in model container [2020-07-21 22:57:13,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:57:13" (1/1) ... [2020-07-21 22:57:13,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:57:13,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:57:14,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:57:14,371 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:57:14,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:57:14,628 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:57:14,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:14 WrapperNode [2020-07-21 22:57:14,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:57:14,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:57:14,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:57:14,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:57:14,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:14" (1/1) ... [2020-07-21 22:57:14,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:14" (1/1) ... [2020-07-21 22:57:14,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:14" (1/1) ... [2020-07-21 22:57:14,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:14" (1/1) ... [2020-07-21 22:57:14,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:14" (1/1) ... [2020-07-21 22:57:14,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:14" (1/1) ... [2020-07-21 22:57:14,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:14" (1/1) ... [2020-07-21 22:57:14,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:57:14,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:57:14,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:57:14,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:57:14,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:14" (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 22:57:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:57:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:57:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 22:57:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:57:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 22:57:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:57:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:57:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:57:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:57:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:57:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:57:16,006 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:57:16,007 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 22:57:16,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:57:16 BoogieIcfgContainer [2020-07-21 22:57:16,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:57:16,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:57:16,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:57:16,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:57:16,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:57:13" (1/3) ... [2020-07-21 22:57:16,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fb6b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:57:16, skipping insertion in model container [2020-07-21 22:57:16,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:57:14" (2/3) ... [2020-07-21 22:57:16,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fb6b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:57:16, skipping insertion in model container [2020-07-21 22:57:16,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:57:16" (3/3) ... [2020-07-21 22:57:16,033 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label54.c [2020-07-21 22:57:16,045 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:57:16,058 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:57:16,073 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:57:16,108 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:57:16,110 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:57:16,110 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:57:16,110 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:57:16,110 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:57:16,111 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:57:16,111 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:57:16,111 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:57:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 22:57:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-21 22:57:16,152 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:16,153 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] [2020-07-21 22:57:16,154 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:16,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:16,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1789175463, now seen corresponding path program 1 times [2020-07-21 22:57:16,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:16,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876093782] [2020-07-21 22:57:16,168 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 22:57:16,382 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:57:16,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:16,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 22:57:16,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:16,902 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:57:16,907 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:57:16,927 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:57:17,004 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 22:57:17,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:57:17,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876093782] [2020-07-21 22:57:17,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:57:17,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 22:57:17,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216543019] [2020-07-21 22:57:17,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 22:57:17,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:17,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 22:57:17,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:57:17,035 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 22:57:18,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:18,288 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 22:57:18,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 22:57:18,290 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2020-07-21 22:57:18,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:18,304 INFO L225 Difference]: With dead ends: 527 [2020-07-21 22:57:18,304 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 22:57:18,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 98 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 22:57:18,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 22:57:18,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 22:57:18,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 22:57:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 22:57:18,378 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 107 [2020-07-21 22:57:18,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:18,379 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 22:57:18,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 22:57:18,379 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 22:57:18,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-21 22:57:18,384 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:18,385 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] [2020-07-21 22:57:18,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:18,600 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:18,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:18,601 INFO L82 PathProgramCache]: Analyzing trace with hash -151828536, now seen corresponding path program 1 times [2020-07-21 22:57:18,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:18,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490218210] [2020-07-21 22:57:18,602 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 22:57:18,698 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:57:18,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:18,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 22:57:18,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:19,230 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 22:57:19,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:19,608 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 22:57:19,610 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:57:19,611 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:57:19,612 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:57:19,614 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:57:19,636 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 22:57:19,636 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 22:57:19,676 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:19,767 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:19,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490218210] [2020-07-21 22:57:19,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:19,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 22:57:19,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322984418] [2020-07-21 22:57:19,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 22:57:19,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:19,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 22:57:19,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 22:57:19,874 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 22:57:20,708 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-07-21 22:57:21,040 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 22:57:22,321 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 22:57:22,550 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-07-21 22:57:24,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:24,133 INFO L93 Difference]: Finished difference Result 738 states and 1083 transitions. [2020-07-21 22:57:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 22:57:24,138 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 116 [2020-07-21 22:57:24,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:24,144 INFO L225 Difference]: With dead ends: 738 [2020-07-21 22:57:24,144 INFO L226 Difference]: Without dead ends: 423 [2020-07-21 22:57:24,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 209 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 22:57:24,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-21 22:57:24,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 393. [2020-07-21 22:57:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 22:57:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 533 transitions. [2020-07-21 22:57:24,189 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 533 transitions. Word has length 116 [2020-07-21 22:57:24,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:24,189 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 533 transitions. [2020-07-21 22:57:24,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 22:57:24,189 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 533 transitions. [2020-07-21 22:57:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-21 22:57:24,193 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:24,193 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] [2020-07-21 22:57:24,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:24,394 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:24,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:24,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1558132907, now seen corresponding path program 1 times [2020-07-21 22:57:24,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:24,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506484231] [2020-07-21 22:57:24,397 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 22:57:24,470 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:57:24,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:24,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 22:57:24,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:24,501 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 22:57:24,502 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:57:24,526 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:57:24,550 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 22:57:24,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:24,640 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:57:24,641 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:24,669 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:57:24,726 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:24,730 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:57:24,746 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 22:57:24,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506484231] [2020-07-21 22:57:24,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:24,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:57:24,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175936187] [2020-07-21 22:57:24,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:57:24,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:24,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:57:24,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:57:24,749 INFO L87 Difference]: Start difference. First operand 393 states and 533 transitions. Second operand 7 states. [2020-07-21 22:57:26,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:26,507 INFO L93 Difference]: Finished difference Result 1434 states and 2028 transitions. [2020-07-21 22:57:26,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 22:57:26,508 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 128 [2020-07-21 22:57:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:26,516 INFO L225 Difference]: With dead ends: 1434 [2020-07-21 22:57:26,516 INFO L226 Difference]: Without dead ends: 1047 [2020-07-21 22:57:26,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 255 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 22:57:26,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2020-07-21 22:57:26,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1015. [2020-07-21 22:57:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-07-21 22:57:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1272 transitions. [2020-07-21 22:57:26,590 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1272 transitions. Word has length 128 [2020-07-21 22:57:26,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:26,591 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1272 transitions. [2020-07-21 22:57:26,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:57:26,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1272 transitions. [2020-07-21 22:57:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-21 22:57:26,599 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:26,599 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] [2020-07-21 22:57:26,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:26,813 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:26,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:26,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1552967928, now seen corresponding path program 1 times [2020-07-21 22:57:26,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:26,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317137865] [2020-07-21 22:57:26,815 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 22:57:26,922 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:57:26,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:26,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:57:26,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:26,956 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 22:57:26,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:57:26,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317137865] [2020-07-21 22:57:26,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:57:26,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:57:26,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387888017] [2020-07-21 22:57:26,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:57:26,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:26,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:57:26,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:57:26,959 INFO L87 Difference]: Start difference. First operand 1015 states and 1272 transitions. Second operand 3 states. [2020-07-21 22:57:27,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:27,590 INFO L93 Difference]: Finished difference Result 2323 states and 2938 transitions. [2020-07-21 22:57:27,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:57:27,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-21 22:57:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:27,612 INFO L225 Difference]: With dead ends: 2323 [2020-07-21 22:57:27,612 INFO L226 Difference]: Without dead ends: 1314 [2020-07-21 22:57:27,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:57:27,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-07-21 22:57:27,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2020-07-21 22:57:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-07-21 22:57:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1639 transitions. [2020-07-21 22:57:27,701 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1639 transitions. Word has length 142 [2020-07-21 22:57:27,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:27,702 INFO L479 AbstractCegarLoop]: Abstraction has 1314 states and 1639 transitions. [2020-07-21 22:57:27,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:57:27,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1639 transitions. [2020-07-21 22:57:27,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 22:57:27,716 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:27,716 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] [2020-07-21 22:57:27,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:27,932 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:27,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:27,932 INFO L82 PathProgramCache]: Analyzing trace with hash -748230946, now seen corresponding path program 1 times [2020-07-21 22:57:27,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:27,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504000134] [2020-07-21 22:57:27,933 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 22:57:28,042 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:57:28,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:28,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:57:28,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:28,080 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 22:57:28,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:57:28,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504000134] [2020-07-21 22:57:28,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:57:28,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:57:28,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133497568] [2020-07-21 22:57:28,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:57:28,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:28,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:57:28,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:57:28,083 INFO L87 Difference]: Start difference. First operand 1314 states and 1639 transitions. Second operand 3 states. [2020-07-21 22:57:28,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:28,665 INFO L93 Difference]: Finished difference Result 3231 states and 4165 transitions. [2020-07-21 22:57:28,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:57:28,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-21 22:57:28,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:28,678 INFO L225 Difference]: With dead ends: 3231 [2020-07-21 22:57:28,678 INFO L226 Difference]: Without dead ends: 1923 [2020-07-21 22:57:28,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:57:28,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2020-07-21 22:57:28,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1913. [2020-07-21 22:57:28,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1913 states. [2020-07-21 22:57:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2431 transitions. [2020-07-21 22:57:28,752 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2431 transitions. Word has length 149 [2020-07-21 22:57:28,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:28,754 INFO L479 AbstractCegarLoop]: Abstraction has 1913 states and 2431 transitions. [2020-07-21 22:57:28,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:57:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2431 transitions. [2020-07-21 22:57:28,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-21 22:57:28,770 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:28,771 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] [2020-07-21 22:57:28,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:28,984 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:28,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:28,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1918758230, now seen corresponding path program 1 times [2020-07-21 22:57:28,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:28,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625329379] [2020-07-21 22:57:28,987 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 22:57:29,092 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:57:29,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:29,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:57:29,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:29,165 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 22:57:29,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:29,230 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 22:57:29,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625329379] [2020-07-21 22:57:29,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:29,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:57:29,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976629455] [2020-07-21 22:57:29,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:57:29,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:29,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:57:29,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:57:29,233 INFO L87 Difference]: Start difference. First operand 1913 states and 2431 transitions. Second operand 7 states. [2020-07-21 22:57:30,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:30,103 INFO L93 Difference]: Finished difference Result 5221 states and 7151 transitions. [2020-07-21 22:57:30,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:57:30,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 155 [2020-07-21 22:57:30,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:30,125 INFO L225 Difference]: With dead ends: 5221 [2020-07-21 22:57:30,125 INFO L226 Difference]: Without dead ends: 3314 [2020-07-21 22:57:30,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 305 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 22:57:30,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3314 states. [2020-07-21 22:57:30,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3314 to 3262. [2020-07-21 22:57:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3262 states. [2020-07-21 22:57:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4135 transitions. [2020-07-21 22:57:30,267 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4135 transitions. Word has length 155 [2020-07-21 22:57:30,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:30,268 INFO L479 AbstractCegarLoop]: Abstraction has 3262 states and 4135 transitions. [2020-07-21 22:57:30,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:57:30,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4135 transitions. [2020-07-21 22:57:30,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-21 22:57:30,280 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:30,281 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 22:57:30,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:30,495 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:30,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:30,495 INFO L82 PathProgramCache]: Analyzing trace with hash -2019464660, now seen corresponding path program 1 times [2020-07-21 22:57:30,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:30,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [224479037] [2020-07-21 22:57:30,496 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 22:57:30,592 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:57:30,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:30,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:57:30,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:30,677 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:57:30,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:57:30,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [224479037] [2020-07-21 22:57:30,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:30,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:57:30,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163533300] [2020-07-21 22:57:30,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:57:30,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:30,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:57:30,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:57:30,764 INFO L87 Difference]: Start difference. First operand 3262 states and 4135 transitions. Second operand 7 states. [2020-07-21 22:57:31,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:31,890 INFO L93 Difference]: Finished difference Result 7436 states and 9501 transitions. [2020-07-21 22:57:31,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:57:31,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 170 [2020-07-21 22:57:31,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:31,908 INFO L225 Difference]: With dead ends: 7436 [2020-07-21 22:57:31,908 INFO L226 Difference]: Without dead ends: 2998 [2020-07-21 22:57:31,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 335 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:57:31,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2020-07-21 22:57:32,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 2944. [2020-07-21 22:57:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2944 states. [2020-07-21 22:57:32,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 3587 transitions. [2020-07-21 22:57:32,031 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 3587 transitions. Word has length 170 [2020-07-21 22:57:32,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:32,032 INFO L479 AbstractCegarLoop]: Abstraction has 2944 states and 3587 transitions. [2020-07-21 22:57:32,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:57:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 3587 transitions. [2020-07-21 22:57:32,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-07-21 22:57:32,043 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:32,044 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:32,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:32,258 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:32,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:32,259 INFO L82 PathProgramCache]: Analyzing trace with hash -387416969, now seen corresponding path program 1 times [2020-07-21 22:57:32,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:32,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130134140] [2020-07-21 22:57:32,259 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 22:57:32,354 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:57:32,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:32,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:57:32,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:32,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:32,528 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:57:32,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130134140] [2020-07-21 22:57:32,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:32,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:57:32,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067834217] [2020-07-21 22:57:32,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:57:32,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:32,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:57:32,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:57:32,531 INFO L87 Difference]: Start difference. First operand 2944 states and 3587 transitions. Second operand 7 states. [2020-07-21 22:57:33,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:33,733 INFO L93 Difference]: Finished difference Result 5890 states and 7199 transitions. [2020-07-21 22:57:33,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 22:57:33,739 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 186 [2020-07-21 22:57:33,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:33,752 INFO L225 Difference]: With dead ends: 5890 [2020-07-21 22:57:33,753 INFO L226 Difference]: Without dead ends: 2644 [2020-07-21 22:57:33,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 367 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 22:57:33,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2020-07-21 22:57:33,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2631. [2020-07-21 22:57:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2631 states. [2020-07-21 22:57:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 2945 transitions. [2020-07-21 22:57:33,839 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 2945 transitions. Word has length 186 [2020-07-21 22:57:33,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:33,840 INFO L479 AbstractCegarLoop]: Abstraction has 2631 states and 2945 transitions. [2020-07-21 22:57:33,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:57:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 2945 transitions. [2020-07-21 22:57:33,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-21 22:57:33,852 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:33,852 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-21 22:57:34,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:34,066 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:34,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:34,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1741109046, now seen corresponding path program 1 times [2020-07-21 22:57:34,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:34,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106137015] [2020-07-21 22:57:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:34,161 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:57:34,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:34,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 22:57:34,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:34,224 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-21 22:57:34,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:57:34,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106137015] [2020-07-21 22:57:34,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:57:34,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:57:34,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744144131] [2020-07-21 22:57:34,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:57:34,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:34,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:57:34,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:57:34,227 INFO L87 Difference]: Start difference. First operand 2631 states and 2945 transitions. Second operand 3 states. [2020-07-21 22:57:34,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:34,800 INFO L93 Difference]: Finished difference Result 5685 states and 6416 transitions. [2020-07-21 22:57:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:57:34,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2020-07-21 22:57:34,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:34,816 INFO L225 Difference]: With dead ends: 5685 [2020-07-21 22:57:34,816 INFO L226 Difference]: Without dead ends: 3060 [2020-07-21 22:57:34,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:57:34,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2020-07-21 22:57:34,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 3060. [2020-07-21 22:57:34,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3060 states. [2020-07-21 22:57:34,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 3412 transitions. [2020-07-21 22:57:34,904 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 3412 transitions. Word has length 195 [2020-07-21 22:57:34,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:34,905 INFO L479 AbstractCegarLoop]: Abstraction has 3060 states and 3412 transitions. [2020-07-21 22:57:34,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:57:34,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 3412 transitions. [2020-07-21 22:57:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-07-21 22:57:34,916 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:34,917 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1] [2020-07-21 22:57:35,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:35,132 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:35,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:35,133 INFO L82 PathProgramCache]: Analyzing trace with hash 830010778, now seen corresponding path program 1 times [2020-07-21 22:57:35,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:35,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380052296] [2020-07-21 22:57:35,134 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:35,248 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:57:35,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:35,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:57:35,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:35,293 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-21 22:57:35,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:57:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 121 proven. 23 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-21 22:57:35,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380052296] [2020-07-21 22:57:35,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:57:35,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 22:57:35,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128976428] [2020-07-21 22:57:35,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:57:35,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:35,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:57:35,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:57:35,376 INFO L87 Difference]: Start difference. First operand 3060 states and 3412 transitions. Second operand 6 states. [2020-07-21 22:57:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:35,778 INFO L93 Difference]: Finished difference Result 5348 states and 5931 transitions. [2020-07-21 22:57:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 22:57:35,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 200 [2020-07-21 22:57:35,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:35,788 INFO L225 Difference]: With dead ends: 5348 [2020-07-21 22:57:35,788 INFO L226 Difference]: Without dead ends: 2294 [2020-07-21 22:57:35,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 394 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:57:35,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2020-07-21 22:57:35,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 2144. [2020-07-21 22:57:35,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2144 states. [2020-07-21 22:57:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 2144 states and 2325 transitions. [2020-07-21 22:57:35,851 INFO L78 Accepts]: Start accepts. Automaton has 2144 states and 2325 transitions. Word has length 200 [2020-07-21 22:57:35,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:35,852 INFO L479 AbstractCegarLoop]: Abstraction has 2144 states and 2325 transitions. [2020-07-21 22:57:35,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:57:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2325 transitions. [2020-07-21 22:57:35,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-07-21 22:57:35,860 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:57:35,861 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:36,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:36,076 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:57:36,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:57:36,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1211519974, now seen corresponding path program 1 times [2020-07-21 22:57:36,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:57:36,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697961411] [2020-07-21 22:57:36,079 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:36,270 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:57:36,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:57:36,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:57:36,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:57:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-07-21 22:57:36,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:57:36,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697961411] [2020-07-21 22:57:36,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:57:36,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:57:36,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340942595] [2020-07-21 22:57:36,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:57:36,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:57:36,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:57:36,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:57:36,336 INFO L87 Difference]: Start difference. First operand 2144 states and 2325 transitions. Second operand 3 states. [2020-07-21 22:57:36,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:57:36,782 INFO L93 Difference]: Finished difference Result 4948 states and 5422 transitions. [2020-07-21 22:57:36,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:57:36,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2020-07-21 22:57:36,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:57:36,791 INFO L225 Difference]: With dead ends: 4948 [2020-07-21 22:57:36,791 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:57:36,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:57:36,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:57:36,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:57:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:57:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:57:36,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2020-07-21 22:57:36,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:57:36,803 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:57:36,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:57:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:57:36,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:57:37,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:57:37,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:57:37,501 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 108 [2020-07-21 22:57:37,607 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 119 [2020-07-21 22:57:39,161 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 173 DAG size of output: 109 [2020-07-21 22:57:39,790 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 59 [2020-07-21 22:57:40,431 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 59 [2020-07-21 22:57:40,436 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:57:40,437 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 22:57:40,437 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:57:40,437 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,437 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,437 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,438 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,438 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,438 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 22:57:40,438 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 22:57:40,438 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 22:57:40,439 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 22:57:40,439 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 22:57:40,439 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 22:57:40,439 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 22:57:40,439 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 22:57:40,439 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 22:57:40,439 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 22:57:40,439 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 22:57:40,440 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 22:57:40,441 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 22:57:40,441 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 22:57:40,441 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 22:57:40,441 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 22:57:40,441 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:57:40,441 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:57:40,441 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 22:57:40,441 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 22:57:40,442 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 22:57:40,442 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:57:40,442 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:57:40,442 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 22:57:40,442 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,442 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,442 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,442 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,442 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,443 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2020-07-21 22:57:40,443 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:57:40,443 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 22:57:40,443 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:57:40,443 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 22:57:40,443 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 22:57:40,443 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 22:57:40,444 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 22:57:40,444 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 22:57:40,444 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 22:57:40,444 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 22:57:40,444 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 22:57:40,444 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,444 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,444 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,445 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,445 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,445 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 22:57:40,445 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 22:57:40,445 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 22:57:40,445 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 22:57:40,445 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 22:57:40,445 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 22:57:40,445 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 22:57:40,446 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 22:57:40,446 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 22:57:40,446 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 22:57:40,446 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 22:57:40,446 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 22:57:40,446 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 22:57:40,446 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,446 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,446 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,447 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,447 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,447 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 22:57:40,447 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 22:57:40,447 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 22:57:40,447 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 22:57:40,447 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 22:57:40,448 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 22:57:40,448 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 22:57:40,448 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 22:57:40,448 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 22:57:40,448 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 22:57:40,448 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 22:57:40,448 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 22:57:40,448 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 22:57:40,449 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:57:40,449 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 22:57:40,449 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:57:40,449 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,449 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,449 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,449 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,450 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 22:57:40,450 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,450 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:57:40,450 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,450 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:57:40,450 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:57:40,450 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:57:40,450 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,451 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,451 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 22:57:40,451 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 22:57:40,451 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 22:57:40,451 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 22:57:40,451 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 22:57:40,451 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 22:57:40,451 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 22:57:40,452 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 22:57:40,452 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 22:57:40,452 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 22:57:40,452 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 22:57:40,452 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,452 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,452 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,452 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,453 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,453 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,453 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 22:57:40,453 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 22:57:40,453 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 22:57:40,453 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 22:57:40,453 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 22:57:40,453 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 22:57:40,454 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 22:57:40,454 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 22:57:40,454 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 22:57:40,454 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 22:57:40,454 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 22:57:40,454 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,454 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,454 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,454 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,455 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,455 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,455 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 22:57:40,455 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 22:57:40,455 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 22:57:40,455 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 22:57:40,455 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 22:57:40,455 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 22:57:40,455 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 22:57:40,456 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 22:57:40,456 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 22:57:40,456 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 22:57:40,456 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 22:57:40,456 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 22:57:40,456 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 22:57:40,456 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 22:57:40,456 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,456 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,457 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,457 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse18 (not (= 1 ~a21~0))) (.cse13 (= 1 |old(~a25~0)|)) (.cse15 (<= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse6 (<= |old(~a28~0)| ~a28~0)) (.cse12 (= ~a25~0 |old(~a25~0)|))) (let ((.cse17 (not (< 8 |old(~a28~0)|))) (.cse22 (not (<= |old(~a28~0)| 9))) (.cse14 (<= ~a11~0 |old(~a11~0)|)) (.cse19 (not (<= |old(~a11~0)| 0))) (.cse24 (and .cse15 .cse5 .cse6 .cse12)) (.cse16 (not (<= |old(~a17~0)| 7))) (.cse0 (= 1 |old(~a11~0)|)) (.cse9 (not .cse13)) (.cse1 (<= ~a28~0 |old(~a28~0)|)) (.cse2 (<= ~a17~0 8)) (.cse4 (not (= 1 ~a11~0))) (.cse7 (= 1 ~a25~0)) (.cse10 (not (<= |old(~a17~0)| 8))) (.cse21 (not (= 1 |old(~a19~0)|))) (.cse8 (not (<= 8 |old(~a17~0)|))) (.cse3 (<= 8 ~a17~0)) (.cse23 (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) .cse18)) (.cse20 (not (<= 10 |old(~a28~0)|))) (.cse11 (not (< |old(~a28~0)| 11)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9 .cse10 .cse11) (or (not (<= |old(~a28~0)| 7)) .cse8 (and .cse1 .cse2 .cse3 .cse5 .cse6 .cse12) .cse10) (or (and .cse13 (not (< 9 |old(~a28~0)|))) (and .cse14 .cse15 .cse5 .cse6 .cse12) .cse16 .cse17 .cse18 .cse19) (or .cse14 .cse9 .cse20 .cse10 .cse18 .cse19 .cse11) (or .cse21 .cse14 .cse16 .cse18 .cse19) (or .cse21 (and .cse2 .cse3 (<= ~a28~0 9) .cse5 .cse6 .cse12) .cse22 .cse8 .cse17 .cse10) (or .cse21 .cse22 .cse8 .cse9 (and .cse1 .cse2 .cse3 .cse5 .cse6 .cse7) .cse10) (or .cse9 .cse16 (and .cse15 .cse5 .cse23 .cse6 .cse7)) (or .cse0 .cse22 .cse8 .cse10 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse12)) (or .cse14 .cse22 .cse8 .cse10 .cse18 .cse19) (or .cse21 .cse24 .cse16) (or .cse21 .cse14 (not (= 10 |old(~a28~0)|)) (not (= 8 |old(~a17~0)|)) (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|))) .cse18 .cse19) (or .cse24 .cse16 .cse20) (or .cse21 .cse0 .cse8 .cse9 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse23 .cse6 .cse7) .cse10) (or .cse21 .cse8 (and .cse15 .cse3 (< ~a28~0 11) .cse5 .cse23 .cse6 .cse12) .cse20 .cse11)))) [2020-07-21 22:57:40,457 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,457 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,458 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,458 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 22:57:40,458 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 22:57:40,458 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 22:57:40,458 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 22:57:40,458 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 22:57:40,458 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 22:57:40,458 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 22:57:40,458 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 22:57:40,459 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 22:57:40,459 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 22:57:40,459 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 22:57:40,459 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 22:57:40,459 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 22:57:40,459 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,459 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,459 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,459 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,460 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,460 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,460 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 22:57:40,460 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 22:57:40,460 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 22:57:40,460 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 22:57:40,460 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 22:57:40,460 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 22:57:40,461 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 22:57:40,461 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 22:57:40,461 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 22:57:40,461 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 22:57:40,461 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 22:57:40,461 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:57:40,461 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:57:40,461 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 22:57:40,461 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 22:57:40,462 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 22:57:40,462 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,462 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,462 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,462 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,462 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:57:40,462 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 22:57:40,462 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 22:57:40,462 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 22:57:40,463 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 22:57:40,463 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 22:57:40,463 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 22:57:40,463 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 22:57:40,463 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 22:57:40,463 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 22:57:40,463 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 22:57:40,463 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 22:57:40,463 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:57:40,464 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 22:57:40,464 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:57:40,464 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 22:57:40,464 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:57:40,464 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:57:40,464 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 22:57:40,464 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 22:57:40,464 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:57:40,465 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 22:57:40,465 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:57:40,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:57:40,465 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 22:57:40,465 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse6 (< ~a28~0 11)) (.cse4 (< 8 ~a28~0)) (.cse7 (<= 10 ~a28~0)) (.cse5 (<= ~a17~0 7)) (.cse2 (not (= 1 ~a11~0))) (.cse9 (<= 8 ~a17~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 8)) (.cse8 (<= ~a28~0 9)) (.cse3 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= ~a11~0 0) .cse5) (and .cse1 .cse6 .cse2 .cse3) (and .cse0 (<= ~a17~0 |old(~a17~0)|) .cse6 .cse7) (and .cse0 .cse4 .cse1 .cse8) (and .cse0 .cse5) (not (= 7 |old(~a28~0)|)) (and .cse5 .cse7) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse5 .cse3) (and .cse1 .cse9 .cse8 .cse2) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse1 .cse9 (<= ~a28~0 7)) (and .cse0 .cse1 .cse8 .cse3))) [2020-07-21 22:57:40,465 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:57:40,466 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:57:40,466 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (< ~a28~0 11)) (.cse4 (< 8 ~a28~0)) (.cse7 (<= 10 ~a28~0)) (.cse5 (<= ~a17~0 7)) (.cse2 (not (= 1 ~a11~0))) (.cse9 (<= 8 ~a17~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 8)) (.cse8 (<= ~a28~0 9)) (.cse3 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= ~a11~0 0) .cse5) (and .cse1 .cse6 .cse2 .cse3) (and .cse0 (<= ~a17~0 |old(~a17~0)|) .cse6 .cse7) (and .cse0 .cse4 .cse1 .cse8) (and .cse0 .cse5) (not (= 7 |old(~a28~0)|)) (and .cse5 .cse7) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse5 .cse3) (and .cse1 .cse9 .cse8 .cse2) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse1 .cse9 (<= ~a28~0 7)) (and .cse0 .cse1 .cse8 .cse3))) [2020-07-21 22:57:40,466 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 22:57:40,466 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 22:57:40,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:57:40 BoogieIcfgContainer [2020-07-21 22:57:40,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:57:40,495 INFO L168 Benchmark]: Toolchain (without parser) took 26679.37 ms. Allocated memory was 138.4 MB in the beginning and 547.9 MB in the end (delta: 409.5 MB). Free memory was 101.3 MB in the beginning and 128.8 MB in the end (delta: -27.5 MB). Peak memory consumption was 388.7 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,496 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 22:57:40,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.31 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 100.9 MB in the beginning and 172.7 MB in the end (delta: -71.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,497 INFO L168 Benchmark]: Boogie Preprocessor took 128.58 ms. Allocated memory is still 205.5 MB. Free memory was 172.7 MB in the beginning and 167.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,498 INFO L168 Benchmark]: RCFGBuilder took 1261.52 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 167.5 MB in the beginning and 182.9 MB in the end (delta: -15.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,499 INFO L168 Benchmark]: TraceAbstraction took 24470.44 ms. Allocated memory was 238.6 MB in the beginning and 547.9 MB in the end (delta: 309.3 MB). Free memory was 182.9 MB in the beginning and 128.8 MB in the end (delta: 54.1 MB). Peak memory consumption was 370.1 MB. Max. memory is 7.1 GB. [2020-07-21 22:57:40,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 810.31 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 100.9 MB in the beginning and 172.7 MB in the end (delta: -71.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.58 ms. Allocated memory is still 205.5 MB. Free memory was 172.7 MB in the beginning and 167.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1261.52 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 167.5 MB in the beginning and 182.9 MB in the end (delta: -15.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24470.44 ms. Allocated memory was 238.6 MB in the beginning and 547.9 MB in the end (delta: 309.3 MB). Free memory was 182.9 MB in the beginning and 128.8 MB in the end (delta: 54.1 MB). Peak memory consumption was 370.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == \old(a19)) || (((1 == a19 && a17 <= 8) && !(1 == a11)) && 1 == a25)) || ((8 < a28 && a11 <= 0) && a17 <= 7)) || (((a17 <= 8 && a28 < 11) && !(1 == a11)) && 1 == a25)) || (((1 == a19 && a17 <= \old(a17)) && a28 < 11) && 10 <= a28)) || (((1 == a19 && 8 < a28) && a17 <= 8) && a28 <= 9)) || (1 == a19 && a17 <= 7)) || !(7 == \old(a28))) || (a17 <= 7 && 10 <= a28)) || !(1 == a21)) || !(\old(a11) <= 0)) || (a17 <= 7 && 1 == a25)) || (((a17 <= 8 && 8 <= a17) && a28 <= 9) && !(1 == a11))) || !(8 == \old(a17))) || !(\old(a25) <= 0)) || ((a17 <= 8 && 8 <= a17) && a28 <= 7)) || (((1 == a19 && a17 <= 8) && a28 <= 9) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.9s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1068 SDtfs, 5027 SDslu, 804 SDs, 0 SdLazy, 9185 SolverSat, 1269 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2797 GetRequests, 2690 SyntacticMatches, 8 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3262occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 341 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 168 PreInvPairs, 234 NumberOfFragments, 916 HoareAnnotationTreeSize, 168 FomulaSimplifications, 3268 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5600 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1797 NumberOfCodeBlocks, 1196 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2735 ConstructedInterpolants, 0 QuantifiedInterpolants, 1549601 SizeOfPredicates, 39 NumberOfNonLiveVariables, 3961 ConjunctsInSsa, 136 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 1312/1359 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...