/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:28:18,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:28:18,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:28:18,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:28:18,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:28:18,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:28:18,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:28:18,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:28:18,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:28:18,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:28:18,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:28:18,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:28:18,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:28:18,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:28:18,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:28:18,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:28:18,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:28:18,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:28:18,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:28:18,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:28:18,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:28:18,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:28:18,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:28:18,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:28:18,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:28:18,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:28:18,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:28:18,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:28:18,530 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 11:28:18,554 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:28:18,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:28:18,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:28:18,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:28:18,557 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:28:18,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:28:18,558 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:28:18,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:28:18,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:28:18,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:28:18,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:28:18,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:28:18,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:28:18,561 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:28:18,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:28:18,561 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:28:18,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:28:18,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:28:18,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:28:18,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:28:18,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:28:18,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:28:18,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:28:18,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:28:18,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:28:18,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:28:18,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:18,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:28:18,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:28:18,564 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 -> NOT_INCREMENTALLY [2020-07-21 11:28:18,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:28:18,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:28:18,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:28:18,859 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:28:18,859 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:28:18,860 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2020-07-21 11:28:18,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbd68f8b/b8c355251bac4549a74d62accfc50e5e/FLAG8e0e7dc84 [2020-07-21 11:28:19,527 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:28:19,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label47.c [2020-07-21 11:28:19,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbd68f8b/b8c355251bac4549a74d62accfc50e5e/FLAG8e0e7dc84 [2020-07-21 11:28:19,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbd68f8b/b8c355251bac4549a74d62accfc50e5e [2020-07-21 11:28:19,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:28:19,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:28:19,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:28:19,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:28:19,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:28:19,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:28:19" (1/1) ... [2020-07-21 11:28:19,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8e84bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:19, skipping insertion in model container [2020-07-21 11:28:19,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:28:19" (1/1) ... [2020-07-21 11:28:19,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:28:19,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:28:20,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:28:20,536 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:28:20,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:28:20,724 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:28:20,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:20 WrapperNode [2020-07-21 11:28:20,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:28:20,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:28:20,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:28:20,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:28:20,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:20" (1/1) ... [2020-07-21 11:28:20,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:20" (1/1) ... [2020-07-21 11:28:20,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:20" (1/1) ... [2020-07-21 11:28:20,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:20" (1/1) ... [2020-07-21 11:28:20,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:20" (1/1) ... [2020-07-21 11:28:20,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:20" (1/1) ... [2020-07-21 11:28:20,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:20" (1/1) ... [2020-07-21 11:28:20,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:28:20,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:28:20,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:28:20,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:28:20,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:20" (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 11:28:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:28:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:28:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 11:28:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:28:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 11:28:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:28:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:28:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 11:28:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:28:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:28:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:28:22,116 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:28:22,116 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 11:28:22,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:28:22 BoogieIcfgContainer [2020-07-21 11:28:22,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:28:22,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:28:22,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:28:22,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:28:22,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:28:19" (1/3) ... [2020-07-21 11:28:22,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c22bf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:28:22, skipping insertion in model container [2020-07-21 11:28:22,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:28:20" (2/3) ... [2020-07-21 11:28:22,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c22bf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:28:22, skipping insertion in model container [2020-07-21 11:28:22,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:28:22" (3/3) ... [2020-07-21 11:28:22,134 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label47.c [2020-07-21 11:28:22,146 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:28:22,155 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:28:22,172 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:28:22,202 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:28:22,203 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:28:22,203 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:28:22,203 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:28:22,203 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:28:22,204 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:28:22,204 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:28:22,204 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:28:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 11:28:22,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 11:28:22,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:22,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:22,247 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:22,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:22,254 INFO L82 PathProgramCache]: Analyzing trace with hash -681714095, now seen corresponding path program 1 times [2020-07-21 11:28:22,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:22,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030424685] [2020-07-21 11:28:22,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:28:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:22,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:28:22,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:22,558 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 11:28:22,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:28:22,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030424685] [2020-07-21 11:28:22,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:28:22,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:28:22,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635613298] [2020-07-21 11:28:22,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:28:22,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:22,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:28:22,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:22,587 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-21 11:28:23,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:23,629 INFO L93 Difference]: Finished difference Result 619 states and 1060 transitions. [2020-07-21 11:28:23,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:28:23,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-21 11:28:23,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:23,654 INFO L225 Difference]: With dead ends: 619 [2020-07-21 11:28:23,654 INFO L226 Difference]: Without dead ends: 321 [2020-07-21 11:28:23,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 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 11:28:23,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-21 11:28:23,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2020-07-21 11:28:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-21 11:28:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2020-07-21 11:28:23,741 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 113 [2020-07-21 11:28:23,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:23,742 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2020-07-21 11:28:23,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:28:23,743 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2020-07-21 11:28:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-21 11:28:23,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:23,748 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:23,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:23,964 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:23,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:23,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1721695616, now seen corresponding path program 1 times [2020-07-21 11:28:23,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:23,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915831884] [2020-07-21 11:28:23,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:28:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:24,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:28:24,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:28:24,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:28:24,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915831884] [2020-07-21 11:28:24,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:28:24,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:28:24,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365765186] [2020-07-21 11:28:24,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:28:24,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:24,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:28:24,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:24,101 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand 3 states. [2020-07-21 11:28:24,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:24,768 INFO L93 Difference]: Finished difference Result 780 states and 1068 transitions. [2020-07-21 11:28:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:28:24,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-07-21 11:28:24,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:24,776 INFO L225 Difference]: With dead ends: 780 [2020-07-21 11:28:24,776 INFO L226 Difference]: Without dead ends: 467 [2020-07-21 11:28:24,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 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 11:28:24,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-07-21 11:28:24,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 465. [2020-07-21 11:28:24,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-07-21 11:28:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 636 transitions. [2020-07-21 11:28:24,814 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 636 transitions. Word has length 122 [2020-07-21 11:28:24,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:24,815 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 636 transitions. [2020-07-21 11:28:24,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:28:24,815 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 636 transitions. [2020-07-21 11:28:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-21 11:28:24,819 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:24,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:25,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:25,034 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:25,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:25,035 INFO L82 PathProgramCache]: Analyzing trace with hash 887096840, now seen corresponding path program 1 times [2020-07-21 11:28:25,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:25,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092158564] [2020-07-21 11:28:25,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:28:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:25,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 11:28:25,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 11:28:25,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 11:28:25,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092158564] [2020-07-21 11:28:25,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 11:28:25,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2020-07-21 11:28:25,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543100415] [2020-07-21 11:28:25,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 11:28:25,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:25,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 11:28:25,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:28:25,294 INFO L87 Difference]: Start difference. First operand 465 states and 636 transitions. Second operand 4 states. [2020-07-21 11:28:26,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:26,014 INFO L93 Difference]: Finished difference Result 1376 states and 1912 transitions. [2020-07-21 11:28:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 11:28:26,017 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2020-07-21 11:28:26,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:26,028 INFO L225 Difference]: With dead ends: 1376 [2020-07-21 11:28:26,028 INFO L226 Difference]: Without dead ends: 917 [2020-07-21 11:28:26,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 244 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:28:26,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-07-21 11:28:26,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 917. [2020-07-21 11:28:26,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 917 states. [2020-07-21 11:28:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1236 transitions. [2020-07-21 11:28:26,111 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1236 transitions. Word has length 126 [2020-07-21 11:28:26,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:26,112 INFO L479 AbstractCegarLoop]: Abstraction has 917 states and 1236 transitions. [2020-07-21 11:28:26,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 11:28:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1236 transitions. [2020-07-21 11:28:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-21 11:28:26,119 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:26,120 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:26,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:26,334 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:26,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:26,336 INFO L82 PathProgramCache]: Analyzing trace with hash 22513303, now seen corresponding path program 1 times [2020-07-21 11:28:26,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:26,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422501051] [2020-07-21 11:28:26,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:28:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:26,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 11:28:26,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 11:28:26,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:28:26,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422501051] [2020-07-21 11:28:26,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:28:26,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:28:26,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198786382] [2020-07-21 11:28:26,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:28:26,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:26,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:28:26,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:28:26,556 INFO L87 Difference]: Start difference. First operand 917 states and 1236 transitions. Second operand 5 states. [2020-07-21 11:28:27,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:27,548 INFO L93 Difference]: Finished difference Result 2616 states and 3641 transitions. [2020-07-21 11:28:27,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 11:28:27,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-07-21 11:28:27,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:27,573 INFO L225 Difference]: With dead ends: 2616 [2020-07-21 11:28:27,573 INFO L226 Difference]: Without dead ends: 1705 [2020-07-21 11:28:27,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:28:27,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-07-21 11:28:27,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1681. [2020-07-21 11:28:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1681 states. [2020-07-21 11:28:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2154 transitions. [2020-07-21 11:28:27,669 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2154 transitions. Word has length 140 [2020-07-21 11:28:27,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:27,669 INFO L479 AbstractCegarLoop]: Abstraction has 1681 states and 2154 transitions. [2020-07-21 11:28:27,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:28:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2154 transitions. [2020-07-21 11:28:27,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-21 11:28:27,676 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:27,676 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:27,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:27,890 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:27,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:27,891 INFO L82 PathProgramCache]: Analyzing trace with hash -246324716, now seen corresponding path program 1 times [2020-07-21 11:28:27,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:27,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832056904] [2020-07-21 11:28:27,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:28:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:27,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:28:27,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 11:28:28,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 11:28:28,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [832056904] [2020-07-21 11:28:28,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:28:28,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:28:28,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701258461] [2020-07-21 11:28:28,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:28:28,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:28,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:28:28,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:28:28,142 INFO L87 Difference]: Start difference. First operand 1681 states and 2154 transitions. Second operand 7 states. [2020-07-21 11:28:29,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:29,797 INFO L93 Difference]: Finished difference Result 3994 states and 5259 transitions. [2020-07-21 11:28:29,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 11:28:29,798 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 143 [2020-07-21 11:28:29,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:29,812 INFO L225 Difference]: With dead ends: 3994 [2020-07-21 11:28:29,812 INFO L226 Difference]: Without dead ends: 2319 [2020-07-21 11:28:29,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-07-21 11:28:29,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2020-07-21 11:28:29,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2299. [2020-07-21 11:28:29,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2020-07-21 11:28:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 2873 transitions. [2020-07-21 11:28:29,897 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 2873 transitions. Word has length 143 [2020-07-21 11:28:29,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:29,897 INFO L479 AbstractCegarLoop]: Abstraction has 2299 states and 2873 transitions. [2020-07-21 11:28:29,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:28:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2873 transitions. [2020-07-21 11:28:29,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-21 11:28:29,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:29,906 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:30,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:30,121 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:30,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:30,122 INFO L82 PathProgramCache]: Analyzing trace with hash 730174251, now seen corresponding path program 1 times [2020-07-21 11:28:30,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:30,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614246596] [2020-07-21 11:28:30,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:28:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:30,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:28:30,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-21 11:28:30,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 54 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-21 11:28:30,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614246596] [2020-07-21 11:28:30,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:28:30,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:28:30,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791053024] [2020-07-21 11:28:30,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:28:30,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:30,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:28:30,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:28:30,373 INFO L87 Difference]: Start difference. First operand 2299 states and 2873 transitions. Second operand 7 states. [2020-07-21 11:28:31,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:31,163 INFO L93 Difference]: Finished difference Result 4455 states and 5676 transitions. [2020-07-21 11:28:31,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 11:28:31,164 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 153 [2020-07-21 11:28:31,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:31,190 INFO L225 Difference]: With dead ends: 4455 [2020-07-21 11:28:31,191 INFO L226 Difference]: Without dead ends: 2162 [2020-07-21 11:28:31,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:28:31,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2020-07-21 11:28:31,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2134. [2020-07-21 11:28:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2134 states. [2020-07-21 11:28:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 2547 transitions. [2020-07-21 11:28:31,277 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 2547 transitions. Word has length 153 [2020-07-21 11:28:31,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:31,279 INFO L479 AbstractCegarLoop]: Abstraction has 2134 states and 2547 transitions. [2020-07-21 11:28:31,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:28:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2547 transitions. [2020-07-21 11:28:31,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-21 11:28:31,287 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:31,288 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:31,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:31,504 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:31,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:31,505 INFO L82 PathProgramCache]: Analyzing trace with hash -112148995, now seen corresponding path program 1 times [2020-07-21 11:28:31,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:31,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619371185] [2020-07-21 11:28:31,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:28:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:31,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:28:31,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 11:28:31,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 11:28:31,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619371185] [2020-07-21 11:28:31,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:28:31,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:28:31,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522875762] [2020-07-21 11:28:31,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:28:31,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:31,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:28:31,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:28:31,748 INFO L87 Difference]: Start difference. First operand 2134 states and 2547 transitions. Second operand 7 states. [2020-07-21 11:28:33,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:33,339 INFO L93 Difference]: Finished difference Result 5418 states and 6431 transitions. [2020-07-21 11:28:33,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:28:33,339 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-07-21 11:28:33,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:33,358 INFO L225 Difference]: With dead ends: 5418 [2020-07-21 11:28:33,358 INFO L226 Difference]: Without dead ends: 3290 [2020-07-21 11:28:33,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 329 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 11:28:33,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2020-07-21 11:28:33,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 3290. [2020-07-21 11:28:33,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3290 states. [2020-07-21 11:28:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 3780 transitions. [2020-07-21 11:28:33,471 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 3780 transitions. Word has length 167 [2020-07-21 11:28:33,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:33,472 INFO L479 AbstractCegarLoop]: Abstraction has 3290 states and 3780 transitions. [2020-07-21 11:28:33,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:28:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 3780 transitions. [2020-07-21 11:28:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-21 11:28:33,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:33,482 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:33,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:33,697 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:33,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:33,699 INFO L82 PathProgramCache]: Analyzing trace with hash 2077018293, now seen corresponding path program 1 times [2020-07-21 11:28:33,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:33,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440881221] [2020-07-21 11:28:33,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:28:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:33,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:28:33,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 11:28:33,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 11:28:33,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440881221] [2020-07-21 11:28:33,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:28:33,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:28:33,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606564693] [2020-07-21 11:28:33,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:28:33,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:33,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:28:33,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:28:33,946 INFO L87 Difference]: Start difference. First operand 3290 states and 3780 transitions. Second operand 7 states. [2020-07-21 11:28:35,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:35,379 INFO L93 Difference]: Finished difference Result 6288 states and 7180 transitions. [2020-07-21 11:28:35,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 11:28:35,385 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-07-21 11:28:35,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:35,398 INFO L225 Difference]: With dead ends: 6288 [2020-07-21 11:28:35,399 INFO L226 Difference]: Without dead ends: 2987 [2020-07-21 11:28:35,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 343 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 11:28:35,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2020-07-21 11:28:35,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2841. [2020-07-21 11:28:35,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2020-07-21 11:28:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3194 transitions. [2020-07-21 11:28:35,479 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3194 transitions. Word has length 174 [2020-07-21 11:28:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:35,480 INFO L479 AbstractCegarLoop]: Abstraction has 2841 states and 3194 transitions. [2020-07-21 11:28:35,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:28:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3194 transitions. [2020-07-21 11:28:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-07-21 11:28:35,487 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:35,488 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:28:35,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:35,703 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:35,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:35,703 INFO L82 PathProgramCache]: Analyzing trace with hash -199186367, now seen corresponding path program 1 times [2020-07-21 11:28:35,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:35,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818076458] [2020-07-21 11:28:35,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:28:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:35,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 11:28:35,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-07-21 11:28:35,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:28:36,090 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 93 proven. 39 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-21 11:28:36,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818076458] [2020-07-21 11:28:36,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:28:36,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:28:36,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333529189] [2020-07-21 11:28:36,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:28:36,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:36,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:28:36,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:28:36,104 INFO L87 Difference]: Start difference. First operand 2841 states and 3194 transitions. Second operand 7 states. [2020-07-21 11:28:37,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:37,658 INFO L93 Difference]: Finished difference Result 7159 states and 8072 transitions. [2020-07-21 11:28:37,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 11:28:37,658 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-07-21 11:28:37,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:37,675 INFO L225 Difference]: With dead ends: 7159 [2020-07-21 11:28:37,678 INFO L226 Difference]: Without dead ends: 4021 [2020-07-21 11:28:37,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 394 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 11:28:37,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4021 states. [2020-07-21 11:28:37,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4021 to 4019. [2020-07-21 11:28:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4019 states. [2020-07-21 11:28:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 4422 transitions. [2020-07-21 11:28:37,797 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 4422 transitions. Word has length 199 [2020-07-21 11:28:37,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:37,797 INFO L479 AbstractCegarLoop]: Abstraction has 4019 states and 4422 transitions. [2020-07-21 11:28:37,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:28:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 4422 transitions. [2020-07-21 11:28:37,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-07-21 11:28:37,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:28:37,811 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 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 11:28:38,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:38,026 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:28:38,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:28:38,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1074860385, now seen corresponding path program 1 times [2020-07-21 11:28:38,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:28:38,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516016538] [2020-07-21 11:28:38,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:28:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:28:38,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 11:28:38,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:28:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-07-21 11:28:38,318 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:28:38,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516016538] [2020-07-21 11:28:38,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:28:38,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:28:38,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284968711] [2020-07-21 11:28:38,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:28:38,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:28:38,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:28:38,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:28:38,322 INFO L87 Difference]: Start difference. First operand 4019 states and 4422 transitions. Second operand 3 states. [2020-07-21 11:28:38,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:28:38,925 INFO L93 Difference]: Finished difference Result 6095 states and 6709 transitions. [2020-07-21 11:28:38,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:28:38,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2020-07-21 11:28:38,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:28:38,927 INFO L225 Difference]: With dead ends: 6095 [2020-07-21 11:28:38,927 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:28:38,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 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 11:28:38,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:28:38,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:28:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:28:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:28:38,943 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2020-07-21 11:28:38,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:28:38,943 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:28:38,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:28:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:28:38,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:28:39,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:28:39,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:28:39,848 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2020-07-21 11:28:41,379 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 145 DAG size of output: 76 [2020-07-21 11:28:41,952 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2020-07-21 11:28:42,482 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2020-07-21 11:28:42,488 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:28:42,489 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|)) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 11:28:42,489 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:28:42,489 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,489 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,489 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,489 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,489 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,489 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 11:28:42,490 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 11:28:42,490 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 11:28:42,490 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 11:28:42,490 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 11:28:42,490 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 11:28:42,490 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 11:28:42,490 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 11:28:42,490 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 11:28:42,490 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 11:28:42,491 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 11:28:42,492 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 11:28:42,492 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 11:28:42,492 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 11:28:42,492 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 11:28:42,492 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 11:28:42,492 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 11:28:42,492 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 11:28:42,492 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 11:28:42,492 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 11:28:42,493 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 11:28:42,493 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 11:28:42,493 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 11:28:42,493 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,493 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,493 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,493 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,493 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,494 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 493) no Hoare annotation was computed. [2020-07-21 11:28:42,494 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 11:28:42,494 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 11:28:42,494 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 11:28:42,494 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 11:28:42,494 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 11:28:42,495 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 11:28:42,495 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 11:28:42,495 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 11:28:42,495 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 11:28:42,495 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 11:28:42,495 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 11:28:42,495 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,495 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 11:28:42,496 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 11:28:42,497 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 11:28:42,497 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 11:28:42,497 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 11:28:42,497 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 11:28:42,497 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 11:28:42,497 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,497 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,497 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,498 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,498 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,498 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 11:28:42,498 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 11:28:42,498 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 11:28:42,498 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 11:28:42,498 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 11:28:42,498 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,499 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,500 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,500 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 11:28:42,500 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,500 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 11:28:42,500 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,500 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 11:28:42,500 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 11:28:42,500 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 11:28:42,500 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 11:28:42,501 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 11:28:42,502 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 11:28:42,503 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,504 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,505 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,505 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse15 (<= ~a11~0 0))) (let ((.cse22 (<= ~a17~0 |old(~a17~0)|)) (.cse23 (or .cse15 (< 0 |old(~a11~0)|))) (.cse21 (<= ~a28~0 10)) (.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse7 (<= |old(~a28~0)| ~a28~0))) (let ((.cse17 (not (<= |old(~a11~0)| 0))) (.cse18 (and .cse22 .cse23 .cse21 .cse6 .cse7)) (.cse0 (not (<= |old(~a28~0)| 7))) (.cse19 (not (<= |old(~a17~0)| 7))) (.cse8 (<= ~a28~0 7)) (.cse2 (not (<= |old(~a19~0)| 0))) (.cse4 (<= ~a17~0 8)) (.cse14 (not (= 1 ~a11~0))) (.cse20 (= 1 ~a25~0)) (.cse13 (= 1 |old(~a11~0)|)) (.cse16 (not (= 1 |old(~a25~0)|))) (.cse10 (not (= 1 |old(~a19~0)|))) (.cse11 (not (<= |old(~a28~0)| 10))) (.cse12 (not (<= 9 |old(~a28~0)|))) (.cse1 (not (<= 8 |old(~a17~0)|))) (.cse5 (<= 8 ~a17~0)) (.cse9 (= ~a25~0 |old(~a25~0)|)) (.cse3 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9)) (or .cse10 .cse11 .cse12 .cse13 .cse1 .cse14 .cse3) (or .cse10 .cse15 .cse1 .cse16 .cse3 .cse17) (or .cse11 .cse12 .cse18 .cse2 .cse19) (or .cse10 (and .cse15 .cse4 .cse6 .cse7 .cse8 .cse9) .cse0 .cse3 .cse17) (or .cse10 .cse0 .cse1 .cse16 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse20) .cse3) (or .cse10 .cse11 .cse12 .cse18 .cse3) (or .cse10 (not (< 7 |old(~a28~0)|)) .cse11 .cse13 .cse1 .cse16 (and .cse4 .cse5 .cse21 .cse14 .cse6 .cse7 .cse20) .cse3) (or .cse10 .cse0 .cse19 (and .cse22 .cse6 .cse7 .cse8)) (or .cse11 .cse13 .cse1 .cse2 (and .cse23 .cse4 .cse5 .cse21 .cse14 .cse6 .cse7 .cse9) .cse3) (or .cse10 (and .cse4 .cse5 .cse14 .cse6 .cse7 .cse20) .cse12 .cse13 .cse1 .cse16 .cse3) (or .cse10 .cse11 .cse12 .cse1 (and .cse5 .cse9) .cse3))))) [2020-07-21 11:28:42,506 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,506 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,506 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,506 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 11:28:42,506 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 11:28:42,506 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 11:28:42,506 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 11:28:42,507 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 11:28:42,507 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 11:28:42,507 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 11:28:42,507 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 11:28:42,507 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 11:28:42,507 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 11:28:42,507 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 11:28:42,508 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 11:28:42,508 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 11:28:42,508 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,508 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,508 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,508 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,508 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,509 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,509 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 11:28:42,509 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 11:28:42,509 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 11:28:42,509 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 11:28:42,509 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 11:28:42,509 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 11:28:42,509 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 11:28:42,510 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 11:28:42,510 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 11:28:42,510 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 11:28:42,510 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 11:28:42,510 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 11:28:42,510 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 11:28:42,510 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 11:28:42,510 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 11:28:42,511 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 11:28:42,511 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,511 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,511 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,511 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,511 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 11:28:42,511 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 11:28:42,512 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 11:28:42,512 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 11:28:42,512 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 11:28:42,512 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 11:28:42,512 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 11:28:42,512 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 11:28:42,512 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 11:28:42,512 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 11:28:42,513 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 11:28:42,513 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 11:28:42,513 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 11:28:42,513 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 11:28:42,513 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 11:28:42,513 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 11:28:42,513 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 11:28:42,513 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 11:28:42,514 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 11:28:42,514 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 11:28:42,514 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:28:42,514 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (<= ~a28~0 7)) [2020-07-21 11:28:42,514 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:28:42,514 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:28:42,515 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and (<= ~a17~0 |old(~a17~0)|) (<= ~a11~0 0) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (<= ~a28~0 7) (= ~a25~0 |old(~a25~0)|))) [2020-07-21 11:28:42,515 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (not (= 1 ~a11~0))) (.cse8 (<= ~a19~0 0)) (.cse6 (<= ~a28~0 10)) (.cse10 (<= ~a17~0 7)) (.cse11 (< 7 |old(~a17~0)|)) (.cse7 (<= 9 ~a28~0)) (.cse2 (<= 8 ~a17~0)) (.cse3 (not (= 1 |old(~a25~0)|))) (.cse5 (= 1 ~a25~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (<= ~a28~0 7))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7) (and .cse1 .cse2 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse11 .cse7 .cse8) (not (<= |old(~a11~0)| 0)) (and (<= 1 ~a19~0) .cse10 (<= ~a19~0 |old(~a19~0)|) .cse11 .cse9) (and .cse1 .cse2 .cse6 .cse3 .cse4 .cse8) (and .cse0 .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse5) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 (<= ~a11~0 0) .cse9 (= ~a25~0 |old(~a25~0)|)))) [2020-07-21 11:28:42,515 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 11:28:42,515 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 11:28:42,516 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (not (= 1 ~a11~0))) (.cse8 (<= ~a19~0 0)) (.cse6 (<= ~a28~0 10)) (.cse10 (<= ~a17~0 7)) (.cse11 (< 7 |old(~a17~0)|)) (.cse7 (<= 9 ~a28~0)) (.cse2 (<= 8 ~a17~0)) (.cse3 (not (= 1 |old(~a25~0)|))) (.cse5 (= 1 ~a25~0)) (.cse0 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (<= ~a28~0 7))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7) (and .cse1 .cse2 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse11 .cse7 .cse8) (not (<= |old(~a11~0)| 0)) (and (<= 1 ~a19~0) .cse10 (<= ~a19~0 |old(~a19~0)|) .cse11 .cse9) (and .cse1 .cse2 .cse6 .cse3 .cse4 .cse8) (and .cse0 .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse5) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 (<= ~a11~0 0) .cse9 (= ~a25~0 |old(~a25~0)|)))) [2020-07-21 11:28:42,516 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 11:28:42,516 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 11:28:42,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:28:42 BoogieIcfgContainer [2020-07-21 11:28:42,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:28:42,554 INFO L168 Benchmark]: Toolchain (without parser) took 22712.83 ms. Allocated memory was 137.9 MB in the beginning and 511.7 MB in the end (delta: 373.8 MB). Free memory was 100.7 MB in the beginning and 260.6 MB in the end (delta: -159.9 MB). Peak memory consumption was 394.3 MB. Max. memory is 7.1 GB. [2020-07-21 11:28:42,555 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 11:28:42,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.86 ms. Allocated memory was 137.9 MB in the beginning and 206.0 MB in the end (delta: 68.2 MB). Free memory was 100.3 MB in the beginning and 173.0 MB in the end (delta: -72.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-07-21 11:28:42,557 INFO L168 Benchmark]: Boogie Preprocessor took 108.29 ms. Allocated memory is still 206.0 MB. Free memory was 173.0 MB in the beginning and 168.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-21 11:28:42,562 INFO L168 Benchmark]: RCFGBuilder took 1288.58 ms. Allocated memory was 206.0 MB in the beginning and 237.0 MB in the end (delta: 30.9 MB). Free memory was 168.0 MB in the beginning and 184.2 MB in the end (delta: -16.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-07-21 11:28:42,564 INFO L168 Benchmark]: TraceAbstraction took 20426.39 ms. Allocated memory was 237.0 MB in the beginning and 511.7 MB in the end (delta: 274.7 MB). Free memory was 182.8 MB in the beginning and 260.6 MB in the end (delta: -77.8 MB). Peak memory consumption was 377.3 MB. Max. memory is 7.1 GB. [2020-07-21 11:28:42,574 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 882.86 ms. Allocated memory was 137.9 MB in the beginning and 206.0 MB in the end (delta: 68.2 MB). Free memory was 100.3 MB in the beginning and 173.0 MB in the end (delta: -72.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.29 ms. Allocated memory is still 206.0 MB. Free memory was 173.0 MB in the beginning and 168.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1288.58 ms. Allocated memory was 206.0 MB in the beginning and 237.0 MB in the end (delta: 30.9 MB). Free memory was 168.0 MB in the beginning and 184.2 MB in the end (delta: -16.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20426.39 ms. Allocated memory was 237.0 MB in the beginning and 511.7 MB in the end (delta: 274.7 MB). Free memory was 182.8 MB in the beginning and 260.6 MB in the end (delta: -77.8 MB). Peak memory consumption was 377.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 493]: 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)) || !(\old(a28) <= 7)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && !(1 == a11)) && 1 == a25)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && a28 <= 10) && 9 <= a28)) || ((((a17 <= \old(a17) && 8 <= a17) && !(1 == \old(a25))) && a19 <= 0) && a28 <= 7)) || ((((a28 <= 10 && a17 <= 7) && 7 < \old(a17)) && 9 <= a28) && a19 <= 0)) || !(\old(a11) <= 0)) || ((((1 <= a19 && a17 <= 7) && a19 <= \old(a19)) && 7 < \old(a17)) && a28 <= 7)) || (((((a17 <= \old(a17) && 8 <= a17) && a28 <= 10) && !(1 == \old(a25))) && !(1 == a11)) && a19 <= 0)) || ((((1 == a19 && a28 <= 10) && a17 <= 7) && 7 < \old(a17)) && 9 <= a28)) || (((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && !(1 == \old(a25))) && a28 <= 7) && 1 == a25)) || !(\old(a17) <= 8)) || ((((1 == a19 && a17 <= \old(a17)) && a11 <= 0) && a28 <= 7) && a25 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.9s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 587 SDtfs, 4805 SDslu, 552 SDs, 0 SdLazy, 8175 SolverSat, 1006 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2531 GetRequests, 2477 SyntacticMatches, 8 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4019occurred in iteration=9, 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, 10 MinimizatonAttempts, 224 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 142 PreInvPairs, 218 NumberOfFragments, 868 HoareAnnotationTreeSize, 142 FomulaSimplifications, 3502 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3467 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1556 NumberOfCodeBlocks, 1556 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2502 ConstructedInterpolants, 0 QuantifiedInterpolants, 632882 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4304 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 1101/1173 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...