/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 15:48:42,013 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 15:48:42,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 15:48:42,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 15:48:42,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 15:48:42,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 15:48:42,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 15:48:42,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 15:48:42,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 15:48:42,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 15:48:42,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 15:48:42,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 15:48:42,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 15:48:42,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 15:48:42,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 15:48:42,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 15:48:42,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 15:48:42,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 15:48:42,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 15:48:42,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 15:48:42,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 15:48:42,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 15:48:42,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 15:48:42,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 15:48:42,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 15:48:42,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 15:48:42,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 15:48:42,180 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 15:48:42,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 15:48:42,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 15:48:42,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 15:48:42,183 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 15:48:42,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 15:48:42,183 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 15:48:42,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 15:48:42,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 15:48:42,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 15:48:42,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 15:48:42,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 15:48:42,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 15:48:42,185 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 15:48:42,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 15:48:42,185 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 15:48:42,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 15:48:42,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 15:48:42,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 15:48:42,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 15:48:42,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 15:48:42,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 15:48:42,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 15:48:42,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 15:48:42,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 15:48:42,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 15:48:42,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 15:48:42,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 15:48:42,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 15:48:42,188 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 15:48:42,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 15:48:42,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 15:48:42,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 15:48:42,470 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 15:48:42,471 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 15:48:42,472 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-08-21 15:48:42,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9205bf38f/9d7982a1772b48c7a9c98811fa5d015d/FLAG17616f163 [2020-08-21 15:48:43,158 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 15:48:43,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-08-21 15:48:43,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9205bf38f/9d7982a1772b48c7a9c98811fa5d015d/FLAG17616f163 [2020-08-21 15:48:43,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9205bf38f/9d7982a1772b48c7a9c98811fa5d015d [2020-08-21 15:48:43,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 15:48:43,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 15:48:43,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 15:48:43,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 15:48:43,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 15:48:43,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 03:48:43" (1/1) ... [2020-08-21 15:48:43,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1e0449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:43, skipping insertion in model container [2020-08-21 15:48:43,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 03:48:43" (1/1) ... [2020-08-21 15:48:43,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 15:48:43,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 15:48:44,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 15:48:44,089 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 15:48:44,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 15:48:44,299 INFO L208 MainTranslator]: Completed translation [2020-08-21 15:48:44,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:44 WrapperNode [2020-08-21 15:48:44,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 15:48:44,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 15:48:44,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 15:48:44,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 15:48:44,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:44" (1/1) ... [2020-08-21 15:48:44,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:44" (1/1) ... [2020-08-21 15:48:44,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:44" (1/1) ... [2020-08-21 15:48:44,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:44" (1/1) ... [2020-08-21 15:48:44,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:44" (1/1) ... [2020-08-21 15:48:44,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:44" (1/1) ... [2020-08-21 15:48:44,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:44" (1/1) ... [2020-08-21 15:48:44,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 15:48:44,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 15:48:44,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 15:48:44,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 15:48:44,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-21 15:48:44,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 15:48:44,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 15:48:44,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 15:48:44,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 15:48:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 15:48:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 15:48:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 15:48:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 15:48:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 15:48:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 15:48:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 15:48:46,146 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 15:48:46,146 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 15:48:46,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 03:48:46 BoogieIcfgContainer [2020-08-21 15:48:46,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 15:48:46,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 15:48:46,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 15:48:46,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 15:48:46,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 03:48:43" (1/3) ... [2020-08-21 15:48:46,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3d0ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 03:48:46, skipping insertion in model container [2020-08-21 15:48:46,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:48:44" (2/3) ... [2020-08-21 15:48:46,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3d0ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 03:48:46, skipping insertion in model container [2020-08-21 15:48:46,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 03:48:46" (3/3) ... [2020-08-21 15:48:46,163 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-08-21 15:48:46,174 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 15:48:46,182 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 15:48:46,198 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 15:48:46,225 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 15:48:46,225 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 15:48:46,226 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 15:48:46,226 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 15:48:46,226 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 15:48:46,226 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 15:48:46,226 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 15:48:46,226 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 15:48:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-08-21 15:48:46,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 15:48:46,261 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:48:46,262 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] [2020-08-21 15:48:46,263 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:48:46,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:48:46,270 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times [2020-08-21 15:48:46,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:48:46,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212596672] [2020-08-21 15:48:46,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:48:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:46,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:48:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 15:48:46,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212596672] [2020-08-21 15:48:46,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:48:46,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 15:48:46,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864448977] [2020-08-21 15:48:46,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 15:48:46,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:48:46,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 15:48:46,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 15:48:46,655 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-08-21 15:48:49,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:48:49,491 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-08-21 15:48:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 15:48:49,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-08-21 15:48:49,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:48:49,534 INFO L225 Difference]: With dead ends: 886 [2020-08-21 15:48:49,534 INFO L226 Difference]: Without dead ends: 564 [2020-08-21 15:48:49,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 15:48:49,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-08-21 15:48:49,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-08-21 15:48:49,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-08-21 15:48:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-08-21 15:48:49,656 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 56 [2020-08-21 15:48:49,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:48:49,657 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-08-21 15:48:49,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 15:48:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-08-21 15:48:49,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-08-21 15:48:49,665 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:48:49,665 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:48:49,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 15:48:49,666 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:48:49,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:48:49,666 INFO L82 PathProgramCache]: Analyzing trace with hash 438966350, now seen corresponding path program 1 times [2020-08-21 15:48:49,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:48:49,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234031968] [2020-08-21 15:48:49,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:48:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:49,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:48:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:49,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 15:48:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 15:48:50,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234031968] [2020-08-21 15:48:50,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:48:50,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 15:48:50,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748709514] [2020-08-21 15:48:50,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 15:48:50,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:48:50,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 15:48:50,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 15:48:50,007 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-08-21 15:48:51,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:48:51,993 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2020-08-21 15:48:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 15:48:51,993 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 130 [2020-08-21 15:48:51,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:48:51,999 INFO L225 Difference]: With dead ends: 1320 [2020-08-21 15:48:52,000 INFO L226 Difference]: Without dead ends: 768 [2020-08-21 15:48:52,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-21 15:48:52,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-08-21 15:48:52,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2020-08-21 15:48:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-08-21 15:48:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2020-08-21 15:48:52,046 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 130 [2020-08-21 15:48:52,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:48:52,049 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2020-08-21 15:48:52,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 15:48:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2020-08-21 15:48:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-21 15:48:52,067 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:48:52,067 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:48:52,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 15:48:52,068 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:48:52,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:48:52,068 INFO L82 PathProgramCache]: Analyzing trace with hash 123351809, now seen corresponding path program 1 times [2020-08-21 15:48:52,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:48:52,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911418457] [2020-08-21 15:48:52,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:48:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:52,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:48:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:52,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 15:48:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 15:48:52,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911418457] [2020-08-21 15:48:52,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:48:52,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 15:48:52,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630179217] [2020-08-21 15:48:52,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 15:48:52,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:48:52,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 15:48:52,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 15:48:52,468 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand 8 states. [2020-08-21 15:48:54,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:48:54,427 INFO L93 Difference]: Finished difference Result 1330 states and 1917 transitions. [2020-08-21 15:48:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 15:48:54,428 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-21 15:48:54,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:48:54,433 INFO L225 Difference]: With dead ends: 1330 [2020-08-21 15:48:54,433 INFO L226 Difference]: Without dead ends: 770 [2020-08-21 15:48:54,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-21 15:48:54,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-08-21 15:48:54,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 754. [2020-08-21 15:48:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-08-21 15:48:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1023 transitions. [2020-08-21 15:48:54,460 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1023 transitions. Word has length 139 [2020-08-21 15:48:54,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:48:54,461 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1023 transitions. [2020-08-21 15:48:54,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 15:48:54,461 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1023 transitions. [2020-08-21 15:48:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-08-21 15:48:54,465 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:48:54,465 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:48:54,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 15:48:54,465 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:48:54,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:48:54,466 INFO L82 PathProgramCache]: Analyzing trace with hash -657639750, now seen corresponding path program 1 times [2020-08-21 15:48:54,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:48:54,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367072325] [2020-08-21 15:48:54,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:48:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:54,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:48:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:54,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 15:48:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:54,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 15:48:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 128 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 15:48:54,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367072325] [2020-08-21 15:48:54,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:48:54,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 15:48:54,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608050734] [2020-08-21 15:48:54,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 15:48:54,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:48:54,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 15:48:55,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-21 15:48:55,000 INFO L87 Difference]: Start difference. First operand 754 states and 1023 transitions. Second operand 9 states. [2020-08-21 15:48:57,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:48:57,738 INFO L93 Difference]: Finished difference Result 1787 states and 2436 transitions. [2020-08-21 15:48:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 15:48:57,739 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 223 [2020-08-21 15:48:57,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:48:57,746 INFO L225 Difference]: With dead ends: 1787 [2020-08-21 15:48:57,747 INFO L226 Difference]: Without dead ends: 996 [2020-08-21 15:48:57,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-08-21 15:48:57,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2020-08-21 15:48:57,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 940. [2020-08-21 15:48:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2020-08-21 15:48:57,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1119 transitions. [2020-08-21 15:48:57,798 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1119 transitions. Word has length 223 [2020-08-21 15:48:57,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:48:57,800 INFO L479 AbstractCegarLoop]: Abstraction has 940 states and 1119 transitions. [2020-08-21 15:48:57,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 15:48:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1119 transitions. [2020-08-21 15:48:57,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-08-21 15:48:57,805 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:48:57,806 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:48:57,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 15:48:57,806 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:48:57,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:48:57,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1982541177, now seen corresponding path program 1 times [2020-08-21 15:48:57,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:48:57,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760234542] [2020-08-21 15:48:57,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:48:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:57,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:48:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:58,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 15:48:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:58,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-21 15:48:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-08-21 15:48:58,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760234542] [2020-08-21 15:48:58,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:48:58,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 15:48:58,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586087651] [2020-08-21 15:48:58,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 15:48:58,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:48:58,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 15:48:58,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 15:48:58,212 INFO L87 Difference]: Start difference. First operand 940 states and 1119 transitions. Second operand 6 states. [2020-08-21 15:48:59,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:48:59,153 INFO L93 Difference]: Finished difference Result 1916 states and 2285 transitions. [2020-08-21 15:48:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 15:48:59,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 248 [2020-08-21 15:48:59,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:48:59,166 INFO L225 Difference]: With dead ends: 1916 [2020-08-21 15:48:59,166 INFO L226 Difference]: Without dead ends: 948 [2020-08-21 15:48:59,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-21 15:48:59,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-08-21 15:48:59,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 938. [2020-08-21 15:48:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2020-08-21 15:48:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1110 transitions. [2020-08-21 15:48:59,198 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1110 transitions. Word has length 248 [2020-08-21 15:48:59,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:48:59,199 INFO L479 AbstractCegarLoop]: Abstraction has 938 states and 1110 transitions. [2020-08-21 15:48:59,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 15:48:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1110 transitions. [2020-08-21 15:48:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-08-21 15:48:59,205 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:48:59,206 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:48:59,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 15:48:59,206 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:48:59,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:48:59,207 INFO L82 PathProgramCache]: Analyzing trace with hash -2036405193, now seen corresponding path program 1 times [2020-08-21 15:48:59,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:48:59,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499320604] [2020-08-21 15:48:59,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:48:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:59,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:48:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:59,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 15:48:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:59,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-21 15:48:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:59,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-21 15:48:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:48:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-08-21 15:48:59,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499320604] [2020-08-21 15:48:59,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:48:59,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 15:48:59,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751311788] [2020-08-21 15:48:59,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 15:48:59,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:48:59,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 15:48:59,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 15:48:59,663 INFO L87 Difference]: Start difference. First operand 938 states and 1110 transitions. Second operand 5 states. [2020-08-21 15:49:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:49:00,949 INFO L93 Difference]: Finished difference Result 2436 states and 2980 transitions. [2020-08-21 15:49:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 15:49:00,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 351 [2020-08-21 15:49:00,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:49:00,959 INFO L225 Difference]: With dead ends: 2436 [2020-08-21 15:49:00,960 INFO L226 Difference]: Without dead ends: 1504 [2020-08-21 15:49:00,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 15:49:00,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2020-08-21 15:49:01,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1316. [2020-08-21 15:49:01,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2020-08-21 15:49:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1554 transitions. [2020-08-21 15:49:01,016 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1554 transitions. Word has length 351 [2020-08-21 15:49:01,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:49:01,017 INFO L479 AbstractCegarLoop]: Abstraction has 1316 states and 1554 transitions. [2020-08-21 15:49:01,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 15:49:01,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1554 transitions. [2020-08-21 15:49:01,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-08-21 15:49:01,028 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:49:01,028 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:49:01,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 15:49:01,029 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:49:01,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:49:01,029 INFO L82 PathProgramCache]: Analyzing trace with hash 153889291, now seen corresponding path program 1 times [2020-08-21 15:49:01,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:49:01,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940743055] [2020-08-21 15:49:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:49:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:01,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:49:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:01,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 15:49:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:01,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-21 15:49:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:01,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-21 15:49:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 306 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-08-21 15:49:01,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940743055] [2020-08-21 15:49:01,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:49:01,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 15:49:01,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548038606] [2020-08-21 15:49:01,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 15:49:01,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:49:01,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 15:49:01,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 15:49:01,468 INFO L87 Difference]: Start difference. First operand 1316 states and 1554 transitions. Second operand 7 states. [2020-08-21 15:49:04,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:49:04,016 INFO L93 Difference]: Finished difference Result 3398 states and 4060 transitions. [2020-08-21 15:49:04,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 15:49:04,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 357 [2020-08-21 15:49:04,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:49:04,027 INFO L225 Difference]: With dead ends: 3398 [2020-08-21 15:49:04,028 INFO L226 Difference]: Without dead ends: 2088 [2020-08-21 15:49:04,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 15:49:04,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2020-08-21 15:49:04,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 1888. [2020-08-21 15:49:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1888 states. [2020-08-21 15:49:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1888 states and 2230 transitions. [2020-08-21 15:49:04,086 INFO L78 Accepts]: Start accepts. Automaton has 1888 states and 2230 transitions. Word has length 357 [2020-08-21 15:49:04,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:49:04,087 INFO L479 AbstractCegarLoop]: Abstraction has 1888 states and 2230 transitions. [2020-08-21 15:49:04,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 15:49:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2230 transitions. [2020-08-21 15:49:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-08-21 15:49:04,094 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:49:04,095 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:49:04,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 15:49:04,095 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:49:04,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:49:04,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1878254157, now seen corresponding path program 1 times [2020-08-21 15:49:04,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:49:04,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567622491] [2020-08-21 15:49:04,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:49:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:04,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:49:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:04,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 15:49:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:04,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-21 15:49:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:04,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-21 15:49:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-08-21 15:49:04,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567622491] [2020-08-21 15:49:04,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:49:04,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 15:49:04,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128765420] [2020-08-21 15:49:04,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 15:49:04,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:49:04,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 15:49:04,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 15:49:04,573 INFO L87 Difference]: Start difference. First operand 1888 states and 2230 transitions. Second operand 5 states. [2020-08-21 15:49:05,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:49:05,949 INFO L93 Difference]: Finished difference Result 4886 states and 5887 transitions. [2020-08-21 15:49:05,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 15:49:05,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 369 [2020-08-21 15:49:05,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:49:05,965 INFO L225 Difference]: With dead ends: 4886 [2020-08-21 15:49:05,966 INFO L226 Difference]: Without dead ends: 3004 [2020-08-21 15:49:05,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 15:49:05,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3004 states. [2020-08-21 15:49:06,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3004 to 2814. [2020-08-21 15:49:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2020-08-21 15:49:06,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3275 transitions. [2020-08-21 15:49:06,053 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3275 transitions. Word has length 369 [2020-08-21 15:49:06,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:49:06,054 INFO L479 AbstractCegarLoop]: Abstraction has 2814 states and 3275 transitions. [2020-08-21 15:49:06,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 15:49:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3275 transitions. [2020-08-21 15:49:06,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2020-08-21 15:49:06,060 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:49:06,061 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 15:49:06,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 15:49:06,061 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:49:06,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:49:06,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1519298699, now seen corresponding path program 1 times [2020-08-21 15:49:06,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:49:06,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044625641] [2020-08-21 15:49:06,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:49:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:06,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:49:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:06,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 15:49:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:06,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-21 15:49:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:06,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-08-21 15:49:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:49:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 147 proven. 12 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2020-08-21 15:49:06,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044625641] [2020-08-21 15:49:06,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:49:06,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 15:49:06,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6664545] [2020-08-21 15:49:06,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 15:49:06,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:49:06,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 15:49:06,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-21 15:49:06,505 INFO L87 Difference]: Start difference. First operand 2814 states and 3275 transitions. Second operand 8 states. [2020-08-21 15:49:09,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:49:09,765 INFO L93 Difference]: Finished difference Result 6178 states and 7338 transitions. [2020-08-21 15:49:09,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 15:49:09,766 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 389 [2020-08-21 15:49:09,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:49:09,768 INFO L225 Difference]: With dead ends: 6178 [2020-08-21 15:49:09,768 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 15:49:09,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-08-21 15:49:09,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 15:49:09,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 15:49:09,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 15:49:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 15:49:09,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 389 [2020-08-21 15:49:09,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:49:09,781 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 15:49:09,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 15:49:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 15:49:09,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 15:49:09,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 15:49:09,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 15:49:10,142 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 104 [2020-08-21 15:49:10,272 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 104 [2020-08-21 15:49:10,863 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 48 [2020-08-21 15:49:11,249 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2020-08-21 15:49:11,644 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2020-08-21 15:49:11,648 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 15:49:11,649 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-08-21 15:49:11,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 15:49:11,649 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-08-21 15:49:11,649 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-08-21 15:49:11,649 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,649 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,649 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,650 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-08-21 15:49:11,650 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 15:49:11,650 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 15:49:11,650 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 15:49:11,650 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-08-21 15:49:11,650 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-08-21 15:49:11,650 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-08-21 15:49:11,651 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-08-21 15:49:11,651 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,651 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,651 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,651 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-08-21 15:49:11,652 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-08-21 15:49:11,652 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 15:49:11,652 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 15:49:11,652 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 15:49:11,652 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-08-21 15:49:11,652 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-08-21 15:49:11,652 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-08-21 15:49:11,652 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,652 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,653 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,653 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-08-21 15:49:11,653 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 15:49:11,653 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 15:49:11,653 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 15:49:11,653 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-08-21 15:49:11,653 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-08-21 15:49:11,653 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-08-21 15:49:11,653 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-08-21 15:49:11,654 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-08-21 15:49:11,654 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,654 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,654 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,654 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-08-21 15:49:11,654 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 15:49:11,654 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 15:49:11,654 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 15:49:11,654 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-08-21 15:49:11,654 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-08-21 15:49:11,655 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-08-21 15:49:11,655 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,655 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,655 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,655 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-08-21 15:49:11,655 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 15:49:11,655 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 15:49:11,655 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 15:49:11,656 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 15:49:11,657 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 15:49:11,657 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-08-21 15:49:11,657 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-08-21 15:49:11,657 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-08-21 15:49:11,657 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-08-21 15:49:11,657 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,657 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,657 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,657 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-08-21 15:49:11,658 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 15:49:11,659 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 15:49:11,659 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 15:49:11,659 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-08-21 15:49:11,659 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse5 (and .cse0 .cse4 .cse1 .cse2)) (.cse3 (not (<= |old(~a15~0)| 8)))) (and (or (and .cse0 (= ~a21~0 9) .cse1 .cse2) .cse3 (not (= 9 |old(~a21~0)|))) (or (not (= 10 |old(~a21~0)|)) (not (= |old(~a24~0)| 1)) (and .cse4 (= ~a24~0 1) .cse1 .cse2) (not (<= |old(~a12~0)| 10)) .cse3) (or .cse5 .cse3 (= 6 |old(~a15~0)|)) (or .cse5 (not (<= 8 |old(~a15~0)|)) (= 10 |old(~a15~0)|)) (or .cse5 .cse3 (not (<= |old(~a21~0)| 8)))))) [2020-08-21 15:49:11,659 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-08-21 15:49:11,659 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-08-21 15:49:11,659 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,659 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,659 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-08-21 15:49:11,660 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 15:49:11,661 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-08-21 15:49:11,662 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-08-21 15:49:11,663 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 15:49:11,664 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-08-21 15:49:11,665 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-08-21 15:49:11,666 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 15:49:11,667 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 15:49:11,668 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 15:49:11,668 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-08-21 15:49:11,668 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-08-21 15:49:11,668 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-08-21 15:49:11,668 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-08-21 15:49:11,668 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,668 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,668 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,668 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-08-21 15:49:11,668 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-08-21 15:49:11,669 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 15:49:11,669 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 15:49:11,669 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 15:49:11,669 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-08-21 15:49:11,669 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-08-21 15:49:11,669 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-08-21 15:49:11,669 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,669 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,669 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,670 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-08-21 15:49:11,670 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 15:49:11,670 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 15:49:11,670 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 15:49:11,670 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-08-21 15:49:11,670 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-08-21 15:49:11,670 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-08-21 15:49:11,670 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-08-21 15:49:11,670 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-08-21 15:49:11,671 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,671 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,671 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-08-21 15:49:11,671 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-08-21 15:49:11,671 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 15:49:11,671 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 15:49:11,671 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 15:49:11,671 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-08-21 15:49:11,671 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 15:49:11,672 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a21~0) (<= 8 ~a15~0) (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (<= ~a21~0 8)) [2020-08-21 15:49:11,672 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 15:49:11,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 15:49:11,672 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 8)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= 8 ~a15~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-08-21 15:49:11,672 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-08-21 15:49:11,672 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= ~a15~0 6)) (.cse1 (<= ~a15~0 8))) (or (not (<= 8 |old(~a15~0)|)) (and (<= ~a12~0 10) (= ~a21~0 10) (= ~a24~0 1) .cse0) (and .cse1 (= ~a21~0 9)) (and (<= 8 ~a15~0) (not (= ~a15~0 10))) (not (<= |old(~a15~0)| 8)) (and .cse1 (<= ~a21~0 8)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 8)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (not .cse0) .cse1))) [2020-08-21 15:49:11,672 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-08-21 15:49:11,673 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-21 15:49:11,673 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a15~0 6)) (.cse1 (<= ~a15~0 8))) (or (not (<= 8 |old(~a15~0)|)) (and (<= ~a12~0 10) (= ~a21~0 10) (= ~a24~0 1) .cse0) (and .cse1 (= ~a21~0 9)) (and (<= 8 ~a15~0) (not (= ~a15~0 10))) (not (<= |old(~a15~0)| 8)) (and .cse1 (<= ~a21~0 8)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 8)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (not .cse0) .cse1))) [2020-08-21 15:49:11,673 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-08-21 15:49:11,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 03:49:11 BoogieIcfgContainer [2020-08-21 15:49:11,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 15:49:11,696 INFO L168 Benchmark]: Toolchain (without parser) took 28280.36 ms. Allocated memory was 141.0 MB in the beginning and 611.3 MB in the end (delta: 470.3 MB). Free memory was 102.2 MB in the beginning and 377.6 MB in the end (delta: -275.4 MB). Peak memory consumption was 437.6 MB. Max. memory is 7.1 GB. [2020-08-21 15:49:11,697 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.1 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-08-21 15:49:11,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 884.79 ms. Allocated memory was 141.0 MB in the beginning and 207.1 MB in the end (delta: 66.1 MB). Free memory was 101.8 MB in the beginning and 169.0 MB in the end (delta: -67.2 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2020-08-21 15:49:11,699 INFO L168 Benchmark]: Boogie Preprocessor took 201.52 ms. Allocated memory is still 207.1 MB. Free memory was 169.0 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-21 15:49:11,700 INFO L168 Benchmark]: RCFGBuilder took 1649.06 ms. Allocated memory was 207.1 MB in the beginning and 237.0 MB in the end (delta: 29.9 MB). Free memory was 164.1 MB in the beginning and 152.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2020-08-21 15:49:11,701 INFO L168 Benchmark]: TraceAbstraction took 25539.40 ms. Allocated memory was 237.0 MB in the beginning and 611.3 MB in the end (delta: 374.3 MB). Free memory was 152.5 MB in the beginning and 377.6 MB in the end (delta: -225.1 MB). Peak memory consumption was 391.9 MB. Max. memory is 7.1 GB. [2020-08-21 15:49:11,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.1 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 884.79 ms. Allocated memory was 141.0 MB in the beginning and 207.1 MB in the end (delta: 66.1 MB). Free memory was 101.8 MB in the beginning and 169.0 MB in the end (delta: -67.2 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.52 ms. Allocated memory is still 207.1 MB. Free memory was 169.0 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1649.06 ms. Allocated memory was 207.1 MB in the beginning and 237.0 MB in the end (delta: 29.9 MB). Free memory was 164.1 MB in the beginning and 152.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25539.40 ms. Allocated memory was 237.0 MB in the beginning and 611.3 MB in the end (delta: 374.3 MB). Free memory was 152.5 MB in the beginning and 377.6 MB in the end (delta: -225.1 MB). Peak memory consumption was 391.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((!(8 <= \old(a15)) || (((a12 <= 10 && a21 == 10) && a24 == 1) && a15 == 6)) || (a15 <= 8 && a21 == 9)) || (8 <= a15 && !(a15 == 10))) || !(\old(a15) <= 8)) || (a15 <= 8 && a21 <= 8)) || !(7 <= \old(a21))) || !(\old(a21) <= 8)) || !(\old(a12) + 49 <= 0)) || (!(a15 == 6) && a15 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.5s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 19.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 249 SDtfs, 7503 SDslu, 304 SDs, 0 SdLazy, 10591 SolverSat, 2610 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2814occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 868 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 80 PreInvPairs, 124 NumberOfFragments, 338 HoareAnnotationTreeSize, 80 FomulaSimplifications, 166125 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 58180 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2262 NumberOfCodeBlocks, 2262 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2253 ConstructedInterpolants, 0 QuantifiedInterpolants, 1555567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 2090/2164 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...