/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=DEEPEST --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/Problem02_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:36:30,270 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 20:36:30,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:36:30,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:36:30,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:36:30,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:36:30,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:36:30,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:36:30,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:36:30,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:36:30,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:36:30,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:36:30,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:36:30,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:36:30,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:36:30,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:36:30,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:36:30,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:36:30,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:36:30,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:36:30,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:36:30,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:36:30,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 20:36:30,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:36:30,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:36:30,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:36:30,410 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 20:36:30,448 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:36:30,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:36:30,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:36:30,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:36:30,450 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:36:30,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:36:30,451 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:36:30,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:36:30,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:36:30,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:36:30,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:36:30,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:36:30,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:36:30,453 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:36:30,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:36:30,454 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:36:30,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:36:30,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:36:30,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:36:30,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:36:30,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:36:30,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:36:30,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:36:30,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:36:30,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:36:30,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:36:30,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:36:30,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:36:30,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:36:30,457 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=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:36:30,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:36:30,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:36:30,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:36:30,785 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:36:30,787 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:36:30,787 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-08-21 20:36:30,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1b9bff06/e76c499ef3c84f7b8872c1dbf8970ef3/FLAGda0f1932e [2020-08-21 20:36:31,500 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:36:31,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-08-21 20:36:31,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1b9bff06/e76c499ef3c84f7b8872c1dbf8970ef3/FLAGda0f1932e [2020-08-21 20:36:31,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1b9bff06/e76c499ef3c84f7b8872c1dbf8970ef3 [2020-08-21 20:36:31,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:36:31,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:36:31,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:36:31,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:36:31,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:36:31,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:36:31" (1/1) ... [2020-08-21 20:36:31,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9fa743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:31, skipping insertion in model container [2020-08-21 20:36:31,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:36:31" (1/1) ... [2020-08-21 20:36:31,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:36:31,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:36:32,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:36:32,286 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:36:32,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:36:32,536 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:36:32,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:32 WrapperNode [2020-08-21 20:36:32,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:36:32,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:36:32,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:36:32,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:36:32,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:32" (1/1) ... [2020-08-21 20:36:32,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:32" (1/1) ... [2020-08-21 20:36:32,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:32" (1/1) ... [2020-08-21 20:36:32,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:32" (1/1) ... [2020-08-21 20:36:32,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:32" (1/1) ... [2020-08-21 20:36:32,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:32" (1/1) ... [2020-08-21 20:36:32,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:32" (1/1) ... [2020-08-21 20:36:32,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:36:32,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:36:32,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:36:32,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:36:32,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:32" (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 20:36:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:36:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:36:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 20:36:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:36:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 20:36:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:36:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:36:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 20:36:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:36:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:36:32,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:36:33,913 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:36:33,913 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 20:36:33,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:36:33 BoogieIcfgContainer [2020-08-21 20:36:33,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:36:33,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:36:33,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:36:33,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:36:33,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:36:31" (1/3) ... [2020-08-21 20:36:33,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a807110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:36:33, skipping insertion in model container [2020-08-21 20:36:33,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:36:32" (2/3) ... [2020-08-21 20:36:33,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a807110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:36:33, skipping insertion in model container [2020-08-21 20:36:33,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:36:33" (3/3) ... [2020-08-21 20:36:33,938 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2020-08-21 20:36:33,950 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:36:33,962 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:36:33,975 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:36:34,002 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:36:34,003 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:36:34,003 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:36:34,003 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:36:34,003 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:36:34,004 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:36:34,004 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:36:34,004 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:36:34,026 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-21 20:36:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-21 20:36:34,040 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:36:34,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:36:34,042 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:36:34,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:36:34,047 INFO L82 PathProgramCache]: Analyzing trace with hash -2092008314, now seen corresponding path program 1 times [2020-08-21 20:36:34,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:36:34,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850444248] [2020-08-21 20:36:34,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:36:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:34,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:36:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:34,643 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 20:36:34,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850444248] [2020-08-21 20:36:34,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:36:34,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 20:36:34,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497674303] [2020-08-21 20:36:34,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 20:36:34,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:36:34,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 20:36:34,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:36:34,672 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-21 20:36:37,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:36:37,040 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-08-21 20:36:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:36:37,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-08-21 20:36:37,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:36:37,067 INFO L225 Difference]: With dead ends: 813 [2020-08-21 20:36:37,067 INFO L226 Difference]: Without dead ends: 488 [2020-08-21 20:36:37,075 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 20:36:37,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-08-21 20:36:37,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-08-21 20:36:37,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-08-21 20:36:37,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-08-21 20:36:37,166 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 132 [2020-08-21 20:36:37,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:36:37,167 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-08-21 20:36:37,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 20:36:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-08-21 20:36:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-21 20:36:37,175 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:36:37,176 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:36:37,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:36:37,176 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:36:37,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:36:37,177 INFO L82 PathProgramCache]: Analyzing trace with hash 682738721, now seen corresponding path program 1 times [2020-08-21 20:36:37,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:36:37,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729494057] [2020-08-21 20:36:37,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:36:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:37,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:36:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:37,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:36:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 20:36:37,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729494057] [2020-08-21 20:36:37,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:36:37,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:36:37,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536930127] [2020-08-21 20:36:37,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:36:37,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:36:37,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:36:37,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:36:37,532 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 7 states. [2020-08-21 20:36:39,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:36:39,361 INFO L93 Difference]: Finished difference Result 1399 states and 2064 transitions. [2020-08-21 20:36:39,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:36:39,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-21 20:36:39,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:36:39,375 INFO L225 Difference]: With dead ends: 1399 [2020-08-21 20:36:39,375 INFO L226 Difference]: Without dead ends: 924 [2020-08-21 20:36:39,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:36:39,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-08-21 20:36:39,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 772. [2020-08-21 20:36:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-08-21 20:36:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2020-08-21 20:36:39,427 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 140 [2020-08-21 20:36:39,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:36:39,428 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2020-08-21 20:36:39,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:36:39,428 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2020-08-21 20:36:39,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-21 20:36:39,436 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:36:39,436 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:39,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:36:39,437 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:36:39,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:36:39,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1033618530, now seen corresponding path program 1 times [2020-08-21 20:36:39,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:36:39,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193831878] [2020-08-21 20:36:39,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:36:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:39,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:36:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:39,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:36:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:36:39,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193831878] [2020-08-21 20:36:39,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:36:39,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 20:36:39,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281391400] [2020-08-21 20:36:39,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:36:39,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:36:39,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:36:39,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:36:39,664 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand 8 states. [2020-08-21 20:36:41,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:36:41,849 INFO L93 Difference]: Finished difference Result 2632 states and 3998 transitions. [2020-08-21 20:36:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 20:36:41,851 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2020-08-21 20:36:41,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:36:41,871 INFO L225 Difference]: With dead ends: 2632 [2020-08-21 20:36:41,871 INFO L226 Difference]: Without dead ends: 1866 [2020-08-21 20:36:41,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 20:36:41,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2020-08-21 20:36:41,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1545. [2020-08-21 20:36:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1545 states. [2020-08-21 20:36:41,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2094 transitions. [2020-08-21 20:36:41,961 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2094 transitions. Word has length 154 [2020-08-21 20:36:41,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:36:41,961 INFO L479 AbstractCegarLoop]: Abstraction has 1545 states and 2094 transitions. [2020-08-21 20:36:41,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:36:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2094 transitions. [2020-08-21 20:36:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-21 20:36:41,969 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:36:41,969 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:36:41,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:36:41,970 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:36:41,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:36:41,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1282216505, now seen corresponding path program 1 times [2020-08-21 20:36:41,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:36:41,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [623972505] [2020-08-21 20:36:41,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:36:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:42,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:36:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:42,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:36:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:42,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 20:36:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 20:36:42,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [623972505] [2020-08-21 20:36:42,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:36:42,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:36:42,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300196413] [2020-08-21 20:36:42,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:36:42,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:36:42,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:36:42,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:36:42,244 INFO L87 Difference]: Start difference. First operand 1545 states and 2094 transitions. Second operand 7 states. [2020-08-21 20:36:45,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:36:45,001 INFO L93 Difference]: Finished difference Result 7540 states and 10695 transitions. [2020-08-21 20:36:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 20:36:45,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-08-21 20:36:45,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:36:45,045 INFO L225 Difference]: With dead ends: 7540 [2020-08-21 20:36:45,046 INFO L226 Difference]: Without dead ends: 6001 [2020-08-21 20:36:45,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-08-21 20:36:45,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6001 states. [2020-08-21 20:36:45,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6001 to 5673. [2020-08-21 20:36:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5673 states. [2020-08-21 20:36:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 5673 states and 7856 transitions. [2020-08-21 20:36:45,259 INFO L78 Accepts]: Start accepts. Automaton has 5673 states and 7856 transitions. Word has length 167 [2020-08-21 20:36:45,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:36:45,260 INFO L479 AbstractCegarLoop]: Abstraction has 5673 states and 7856 transitions. [2020-08-21 20:36:45,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:36:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5673 states and 7856 transitions. [2020-08-21 20:36:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-08-21 20:36:45,277 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:36:45,277 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:45,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:36:45,278 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:36:45,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:36:45,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1887045313, now seen corresponding path program 1 times [2020-08-21 20:36:45,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:36:45,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998465061] [2020-08-21 20:36:45,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:36:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:45,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:36:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:45,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:36:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:45,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 20:36:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:45,460 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 20:36:45,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998465061] [2020-08-21 20:36:45,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:36:45,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:36:45,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126109931] [2020-08-21 20:36:45,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:36:45,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:36:45,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:36:45,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:36:45,464 INFO L87 Difference]: Start difference. First operand 5673 states and 7856 transitions. Second operand 7 states. [2020-08-21 20:36:47,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:36:47,126 INFO L93 Difference]: Finished difference Result 11131 states and 15877 transitions. [2020-08-21 20:36:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:36:47,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-08-21 20:36:47,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:36:47,158 INFO L225 Difference]: With dead ends: 11131 [2020-08-21 20:36:47,159 INFO L226 Difference]: Without dead ends: 5464 [2020-08-21 20:36:47,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 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 20:36:47,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5464 states. [2020-08-21 20:36:47,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5464 to 5254. [2020-08-21 20:36:47,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5254 states. [2020-08-21 20:36:47,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 6737 transitions. [2020-08-21 20:36:47,372 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 6737 transitions. Word has length 171 [2020-08-21 20:36:47,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:36:47,373 INFO L479 AbstractCegarLoop]: Abstraction has 5254 states and 6737 transitions. [2020-08-21 20:36:47,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:36:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 6737 transitions. [2020-08-21 20:36:47,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-08-21 20:36:47,391 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:36:47,391 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:36:47,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:36:47,393 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:36:47,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:36:47,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1742257649, now seen corresponding path program 1 times [2020-08-21 20:36:47,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:36:47,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1436885374] [2020-08-21 20:36:47,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:36:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:47,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:36:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:47,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:36:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:47,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 20:36:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:47,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 20:36:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-21 20:36:47,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1436885374] [2020-08-21 20:36:47,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:36:47,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 20:36:47,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209263836] [2020-08-21 20:36:47,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:36:47,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:36:47,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:36:47,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:36:47,691 INFO L87 Difference]: Start difference. First operand 5254 states and 6737 transitions. Second operand 9 states. [2020-08-21 20:36:50,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:36:50,753 INFO L93 Difference]: Finished difference Result 10173 states and 13051 transitions. [2020-08-21 20:36:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 20:36:50,754 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2020-08-21 20:36:50,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:36:50,774 INFO L225 Difference]: With dead ends: 10173 [2020-08-21 20:36:50,775 INFO L226 Difference]: Without dead ends: 4481 [2020-08-21 20:36:50,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-08-21 20:36:50,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2020-08-21 20:36:50,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 4039. [2020-08-21 20:36:50,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4039 states. [2020-08-21 20:36:50,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 4039 states and 4891 transitions. [2020-08-21 20:36:50,935 INFO L78 Accepts]: Start accepts. Automaton has 4039 states and 4891 transitions. Word has length 197 [2020-08-21 20:36:50,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:36:50,935 INFO L479 AbstractCegarLoop]: Abstraction has 4039 states and 4891 transitions. [2020-08-21 20:36:50,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:36:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 4039 states and 4891 transitions. [2020-08-21 20:36:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-08-21 20:36:50,952 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:36:50,952 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:36:50,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 20:36:50,953 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:36:50,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:36:50,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1025523057, now seen corresponding path program 1 times [2020-08-21 20:36:50,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:36:50,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708999597] [2020-08-21 20:36:50,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:36:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:51,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:36:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:51,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:36:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:51,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 20:36:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 20:36:51,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708999597] [2020-08-21 20:36:51,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:36:51,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 20:36:51,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579136851] [2020-08-21 20:36:51,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:36:51,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:36:51,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:36:51,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:36:51,343 INFO L87 Difference]: Start difference. First operand 4039 states and 4891 transitions. Second operand 9 states. [2020-08-21 20:36:53,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:36:53,313 INFO L93 Difference]: Finished difference Result 9138 states and 11177 transitions. [2020-08-21 20:36:53,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 20:36:53,314 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-08-21 20:36:53,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:36:53,336 INFO L225 Difference]: With dead ends: 9138 [2020-08-21 20:36:53,336 INFO L226 Difference]: Without dead ends: 5249 [2020-08-21 20:36:53,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-08-21 20:36:53,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2020-08-21 20:36:53,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 4655. [2020-08-21 20:36:53,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4655 states. [2020-08-21 20:36:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 5544 transitions. [2020-08-21 20:36:53,493 INFO L78 Accepts]: Start accepts. Automaton has 4655 states and 5544 transitions. Word has length 213 [2020-08-21 20:36:53,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:36:53,494 INFO L479 AbstractCegarLoop]: Abstraction has 4655 states and 5544 transitions. [2020-08-21 20:36:53,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:36:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 4655 states and 5544 transitions. [2020-08-21 20:36:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-21 20:36:53,513 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:36:53,513 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:36:53,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 20:36:53,514 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:36:53,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:36:53,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1559618823, now seen corresponding path program 1 times [2020-08-21 20:36:53,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:36:53,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878438434] [2020-08-21 20:36:53,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:36:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:53,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:36:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:53,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:36:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:53,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 20:36:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 20:36:53,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878438434] [2020-08-21 20:36:53,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:36:53,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 20:36:53,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166483516] [2020-08-21 20:36:53,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:36:53,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:36:53,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:36:53,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:36:53,909 INFO L87 Difference]: Start difference. First operand 4655 states and 5544 transitions. Second operand 8 states. [2020-08-21 20:36:55,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:36:55,788 INFO L93 Difference]: Finished difference Result 9170 states and 10928 transitions. [2020-08-21 20:36:55,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 20:36:55,788 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-08-21 20:36:55,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:36:55,802 INFO L225 Difference]: With dead ends: 9170 [2020-08-21 20:36:55,803 INFO L226 Difference]: Without dead ends: 3736 [2020-08-21 20:36:55,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-21 20:36:55,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2020-08-21 20:36:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3436. [2020-08-21 20:36:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3436 states. [2020-08-21 20:36:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3436 states and 3745 transitions. [2020-08-21 20:36:55,905 INFO L78 Accepts]: Start accepts. Automaton has 3436 states and 3745 transitions. Word has length 217 [2020-08-21 20:36:55,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:36:55,906 INFO L479 AbstractCegarLoop]: Abstraction has 3436 states and 3745 transitions. [2020-08-21 20:36:55,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:36:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3436 states and 3745 transitions. [2020-08-21 20:36:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-08-21 20:36:55,917 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:36:55,917 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:36:55,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 20:36:55,918 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:36:55,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:36:55,918 INFO L82 PathProgramCache]: Analyzing trace with hash 836626846, now seen corresponding path program 1 times [2020-08-21 20:36:55,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:36:55,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306553038] [2020-08-21 20:36:55,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:36:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:56,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:36:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:56,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:36:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:56,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 20:36:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:36:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 95 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-08-21 20:36:56,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306553038] [2020-08-21 20:36:56,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:36:56,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 20:36:56,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095855434] [2020-08-21 20:36:56,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:36:56,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:36:56,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:36:56,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:36:56,242 INFO L87 Difference]: Start difference. First operand 3436 states and 3745 transitions. Second operand 8 states. [2020-08-21 20:36:58,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:36:58,080 INFO L93 Difference]: Finished difference Result 6858 states and 7522 transitions. [2020-08-21 20:36:58,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 20:36:58,081 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 238 [2020-08-21 20:36:58,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:36:58,082 INFO L225 Difference]: With dead ends: 6858 [2020-08-21 20:36:58,082 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:36:58,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-08-21 20:36:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:36:58,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:36:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:36:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:36:58,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2020-08-21 20:36:58,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:36:58,100 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:36:58,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:36:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:36:58,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:36:58,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 20:36:58,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:36:58,920 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 140 [2020-08-21 20:36:59,135 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 140 [2020-08-21 20:37:00,734 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 218 DAG size of output: 72 [2020-08-21 20:37:01,170 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2020-08-21 20:37:01,575 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2020-08-21 20:37:01,580 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:37:01,581 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-21 20:37:01,581 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:37:01,581 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,582 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,582 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,582 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,582 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,582 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-21 20:37:01,583 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-21 20:37:01,583 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-21 20:37:01,583 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 20:37:01,583 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-21 20:37:01,583 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 20:37:01,583 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-21 20:37:01,584 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-21 20:37:01,584 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-21 20:37:01,584 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-21 20:37:01,584 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-21 20:37:01,584 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-21 20:37:01,584 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-21 20:37:01,584 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 20:37:01,585 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-21 20:37:01,586 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-21 20:37:01,586 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-21 20:37:01,586 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-21 20:37:01,586 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-21 20:37:01,586 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-21 20:37:01,586 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-21 20:37:01,586 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-21 20:37:01,587 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-21 20:37:01,587 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,587 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,587 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,587 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,587 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,587 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2020-08-21 20:37:01,588 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-21 20:37:01,588 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-21 20:37:01,588 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-21 20:37:01,588 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 20:37:01,588 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 20:37:01,588 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 20:37:01,588 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-21 20:37:01,588 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-21 20:37:01,589 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-21 20:37:01,589 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-21 20:37:01,589 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-21 20:37:01,589 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,589 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,589 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,589 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,589 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,589 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-21 20:37:01,590 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-21 20:37:01,590 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-21 20:37:01,590 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 20:37:01,590 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 20:37:01,590 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-21 20:37:01,590 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 20:37:01,590 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-21 20:37:01,591 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-21 20:37:01,591 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-21 20:37:01,591 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-21 20:37:01,591 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-21 20:37:01,591 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-21 20:37:01,591 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,591 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,591 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,591 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,592 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,592 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-21 20:37:01,592 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 20:37:01,592 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-21 20:37:01,592 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 20:37:01,592 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 20:37:01,592 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-21 20:37:01,593 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-21 20:37:01,593 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-21 20:37:01,593 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-21 20:37:01,593 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-21 20:37:01,593 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-21 20:37:01,593 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-21 20:37:01,593 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-21 20:37:01,593 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-21 20:37:01,594 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-21 20:37:01,594 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-21 20:37:01,594 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,594 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,594 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,594 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,594 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-21 20:37:01,595 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,595 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-21 20:37:01,595 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,595 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 20:37:01,595 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-21 20:37:01,595 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-21 20:37:01,595 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,595 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,595 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 20:37:01,596 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-21 20:37:01,596 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-21 20:37:01,596 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 20:37:01,596 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 20:37:01,596 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 20:37:01,596 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-21 20:37:01,596 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-21 20:37:01,596 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-21 20:37:01,596 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-21 20:37:01,597 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-21 20:37:01,597 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,597 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,597 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,597 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,597 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,597 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,597 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-21 20:37:01,597 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 20:37:01,597 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 20:37:01,598 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-21 20:37:01,598 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 20:37:01,598 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-21 20:37:01,598 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 20:37:01,598 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-21 20:37:01,598 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-21 20:37:01,598 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-21 20:37:01,599 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-21 20:37:01,599 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,599 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,599 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,599 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,599 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,599 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,599 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-21 20:37:01,600 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-21 20:37:01,600 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-21 20:37:01,600 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 20:37:01,600 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 20:37:01,600 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-21 20:37:01,600 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 20:37:01,601 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 20:37:01,601 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-21 20:37:01,601 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-21 20:37:01,601 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-21 20:37:01,601 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-21 20:37:01,601 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-21 20:37:01,601 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-21 20:37:01,602 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,602 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,602 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,602 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (= ~a25~0 1)) (.cse9 (= ~a19~0 1)) (.cse10 (= ~a17~0 8)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a11~0 |old(~a11~0)|)) (.cse21 (= ~a25~0 |old(~a25~0)|)) (.cse22 (= ~a19~0 |old(~a19~0)|))) (let ((.cse2 (and .cse7 (= ~a17~0 |old(~a17~0)|) .cse8 .cse21 .cse22)) (.cse3 (not (<= |old(~a17~0)| 7))) (.cse14 (and .cse7 .cse8 .cse9 .cse21 .cse10)) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (not (= |old(~a25~0)| 1))) (.cse19 (and .cse7 .cse8 .cse10 .cse11 .cse22)) (.cse5 (= 11 |old(~a28~0)|)) (.cse6 (= 9 |old(~a28~0)|)) (.cse13 (= |old(~a17~0)| |old(~a28~0)|)) (.cse0 (not (<= |old(~a28~0)| 7))) (.cse20 (and .cse7 .cse8 .cse21 .cse10 .cse22)) (.cse12 (not (= 8 |old(~a17~0)|))) (.cse15 (not (<= |old(~a28~0)| 9))) (.cse17 (not (<= |old(~a25~0)| 0))) (.cse18 (= |old(~a11~0)| 1)) (.cse16 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse12 .cse13) (or .cse1 .cse14 .cse5 .cse12 .cse15 .cse16 .cse13) (or .cse2 .cse3 .cse15 .cse16 .cse13) (or .cse2 .cse5 .cse3 .cse17 .cse13) (or .cse1 .cse14 .cse5 .cse12 .cse18 (not (<= 10 |old(~a28~0)|))) (or .cse4 .cse1 .cse19 .cse12 .cse18 .cse16) (or .cse4 .cse19 .cse5 .cse6 .cse12 .cse16 .cse13) (or .cse0 .cse20 .cse12 .cse16) (or .cse20 .cse12 .cse15 .cse17 .cse18 .cse16)))) [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 20:37:01,603 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-21 20:37:01,604 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-21 20:37:01,605 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-21 20:37:01,606 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-21 20:37:01,606 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-21 20:37:01,606 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,606 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,606 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,606 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,606 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 20:37:01,606 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-21 20:37:01,607 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-21 20:37:01,607 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-21 20:37:01,607 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-21 20:37:01,607 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-21 20:37:01,607 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-21 20:37:01,607 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 20:37:01,607 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 20:37:01,607 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 20:37:01,608 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-21 20:37:01,608 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-21 20:37:01,608 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-21 20:37:01,608 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-21 20:37:01,608 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-21 20:37:01,608 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-21 20:37:01,608 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-21 20:37:01,608 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-21 20:37:01,609 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-21 20:37:01,609 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-21 20:37:01,609 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:37:01,609 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (<= ~a28~0 7) (<= ~a25~0 0)) [2020-08-21 20:37:01,609 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:37:01,609 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:37:01,609 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0))) [2020-08-21 20:37:01,610 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 9)) (.cse4 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse8 (not (= ~a11~0 1))) (.cse1 (= ~a17~0 8)) (.cse5 (<= ~a28~0 7)) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse6 (<= ~a17~0 7)) (.cse9 (<= ~a25~0 0)) (.cse3 (not (= ~a28~0 11)))) (or (not (= |old(~a19~0)| 1)) (and (not (= ~a28~0 9)) .cse0 .cse1 .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse5 .cse6) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse4 .cse7 (<= ~a17~0 8)) (and .cse1 .cse8 .cse7 .cse9) (and .cse0 .cse7 .cse6) (not (<= |old(~a28~0)| 7)) (and .cse4 (<= 10 ~a28~0) .cse1 .cse8 .cse3) (and .cse4 .cse1 .cse2 .cse8) (and .cse1 .cse5) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse6 .cse9 .cse3))) [2020-08-21 20:37:01,610 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-21 20:37:01,610 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-21 20:37:01,610 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (<= ~a28~0 9)) (.cse4 (= ~a19~0 1)) (.cse2 (= ~a25~0 1)) (.cse8 (not (= ~a11~0 1))) (.cse1 (= ~a17~0 8)) (.cse5 (<= ~a28~0 7)) (.cse0 (not (= ~a28~0 ~a17~0))) (.cse6 (<= ~a17~0 7)) (.cse9 (<= ~a25~0 0)) (.cse3 (not (= ~a28~0 11)))) (or (not (= |old(~a19~0)| 1)) (and (not (= ~a28~0 9)) .cse0 .cse1 .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse5 .cse6) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse4 .cse7 (<= ~a17~0 8)) (and .cse1 .cse8 .cse7 .cse9) (and .cse0 .cse7 .cse6) (not (<= |old(~a28~0)| 7)) (and .cse4 (<= 10 ~a28~0) .cse1 .cse8 .cse3) (and .cse4 .cse1 .cse2 .cse8) (and .cse1 .cse5) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse6 .cse9 .cse3))) [2020-08-21 20:37:01,610 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 20:37:01,611 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-21 20:37:01,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:37:01 BoogieIcfgContainer [2020-08-21 20:37:01,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:37:01,644 INFO L168 Benchmark]: Toolchain (without parser) took 29907.97 ms. Allocated memory was 140.5 MB in the beginning and 648.5 MB in the end (delta: 508.0 MB). Free memory was 100.5 MB in the beginning and 356.1 MB in the end (delta: -255.6 MB). Peak memory consumption was 470.8 MB. Max. memory is 7.1 GB. [2020-08-21 20:37:01,645 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-21 20:37:01,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.11 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 100.1 MB in the beginning and 171.5 MB in the end (delta: -71.5 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-08-21 20:37:01,646 INFO L168 Benchmark]: Boogie Preprocessor took 107.25 ms. Allocated memory is still 205.0 MB. Free memory was 171.5 MB in the beginning and 166.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-21 20:37:01,647 INFO L168 Benchmark]: RCFGBuilder took 1280.99 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 166.6 MB in the beginning and 180.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-08-21 20:37:01,648 INFO L168 Benchmark]: TraceAbstraction took 27712.77 ms. Allocated memory was 237.0 MB in the beginning and 648.5 MB in the end (delta: 411.6 MB). Free memory was 178.8 MB in the beginning and 356.1 MB in the end (delta: -177.3 MB). Peak memory consumption was 452.7 MB. Max. memory is 7.1 GB. [2020-08-21 20:37:01,657 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 800.11 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 100.1 MB in the beginning and 171.5 MB in the end (delta: -71.5 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.25 ms. Allocated memory is still 205.0 MB. Free memory was 171.5 MB in the beginning and 166.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1280.99 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 166.6 MB in the beginning and 180.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27712.77 ms. Allocated memory was 237.0 MB in the beginning and 648.5 MB in the end (delta: 411.6 MB). Free memory was 178.8 MB in the beginning and 356.1 MB in the end (delta: -177.3 MB). Peak memory consumption was 452.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(a19) == 1) || ((((!(a28 == 9) && !(a28 == a17)) && a17 == 8) && a25 == 1) && !(a28 == 11))) || !(8 == \old(a17))) || ((a19 == 1 && a28 <= 7) && a17 <= 7)) || !(\old(a25) <= 0)) || (((!(a28 == a17) && a19 == 1) && a28 <= 9) && a17 <= 8)) || (((a17 == 8 && !(a11 == 1)) && a28 <= 9) && a25 <= 0)) || ((!(a28 == a17) && a28 <= 9) && a17 <= 7)) || !(\old(a28) <= 7)) || ((((a19 == 1 && 10 <= a28) && a17 == 8) && !(a11 == 1)) && !(a28 == 11))) || (((a19 == 1 && a17 == 8) && a25 == 1) && !(a11 == 1))) || (a17 == 8 && a28 <= 7)) || !(a21 == 1)) || !(\old(a11) <= 0)) || (((!(a28 == a17) && a17 <= 7) && a25 <= 0) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.1s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 19.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 9124 SDslu, 496 SDs, 0 SdLazy, 10178 SolverSat, 2285 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5673occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 2354 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 209 PreInvPairs, 275 NumberOfFragments, 751 HoareAnnotationTreeSize, 209 FomulaSimplifications, 37281 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6226 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1629 NumberOfCodeBlocks, 1629 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1620 ConstructedInterpolants, 0 QuantifiedInterpolants, 946785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 485/522 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...