/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=WIDEST --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 22:13:22,090 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 22:13:22,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 22:13:22,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 22:13:22,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 22:13:22,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 22:13:22,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 22:13:22,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 22:13:22,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 22:13:22,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 22:13:22,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 22:13:22,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 22:13:22,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 22:13:22,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 22:13:22,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 22:13:22,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 22:13:22,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 22:13:22,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 22:13:22,207 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 22:13:22,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 22:13:22,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 22:13:22,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 22:13:22,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 22:13:22,240 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 22:13:22,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 22:13:22,243 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 22:13:22,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 22:13:22,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 22:13:22,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 22:13:22,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 22:13:22,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 22:13:22,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 22:13:22,244 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 22:13:22,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 22:13:22,245 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 22:13:22,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 22:13:22,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 22:13:22,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 22:13:22,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 22:13:22,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 22:13:22,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 22:13:22,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 22:13:22,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 22:13:22,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 22:13:22,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 22:13:22,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 22:13:22,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 22:13:22,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 22:13:22,247 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=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-08-21 22:13:22,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 22:13:22,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 22:13:22,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 22:13:22,577 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 22:13:22,577 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 22:13:22,578 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-08-21 22:13:22,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1cb5e73f/02a436f3c9d444b193b016f35caa9960/FLAG83adda35f [2020-08-21 22:13:23,238 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 22:13:23,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2020-08-21 22:13:23,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1cb5e73f/02a436f3c9d444b193b016f35caa9960/FLAG83adda35f [2020-08-21 22:13:23,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1cb5e73f/02a436f3c9d444b193b016f35caa9960 [2020-08-21 22:13:23,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 22:13:23,548 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 22:13:23,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 22:13:23,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 22:13:23,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 22:13:23,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:13:23" (1/1) ... [2020-08-21 22:13:23,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532b1c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:23, skipping insertion in model container [2020-08-21 22:13:23,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:13:23" (1/1) ... [2020-08-21 22:13:23,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 22:13:23,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 22:13:24,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:13:24,153 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 22:13:24,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:13:24,269 INFO L208 MainTranslator]: Completed translation [2020-08-21 22:13:24,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:24 WrapperNode [2020-08-21 22:13:24,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 22:13:24,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 22:13:24,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 22:13:24,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 22:13:24,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:24" (1/1) ... [2020-08-21 22:13:24,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:24" (1/1) ... [2020-08-21 22:13:24,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:24" (1/1) ... [2020-08-21 22:13:24,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:24" (1/1) ... [2020-08-21 22:13:24,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:24" (1/1) ... [2020-08-21 22:13:24,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:24" (1/1) ... [2020-08-21 22:13:24,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:24" (1/1) ... [2020-08-21 22:13:24,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 22:13:24,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 22:13:24,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 22:13:24,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 22:13:24,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:24" (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 22:13:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 22:13:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 22:13:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 22:13:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 22:13:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 22:13:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 22:13:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 22:13:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 22:13:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 22:13:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 22:13:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 22:13:25,681 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 22:13:25,681 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 22:13:25,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:13:25 BoogieIcfgContainer [2020-08-21 22:13:25,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 22:13:25,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 22:13:25,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 22:13:25,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 22:13:25,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 10:13:23" (1/3) ... [2020-08-21 22:13:25,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658d9140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:13:25, skipping insertion in model container [2020-08-21 22:13:25,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:13:24" (2/3) ... [2020-08-21 22:13:25,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658d9140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:13:25, skipping insertion in model container [2020-08-21 22:13:25,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:13:25" (3/3) ... [2020-08-21 22:13:25,697 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2020-08-21 22:13:25,707 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 22:13:25,716 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 22:13:25,730 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 22:13:25,757 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 22:13:25,757 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 22:13:25,757 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 22:13:25,758 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 22:13:25,758 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 22:13:25,758 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 22:13:25,758 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 22:13:25,759 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 22:13:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-21 22:13:25,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-21 22:13:25,798 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:13:25,800 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 22:13:25,800 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:13:25,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:13:25,807 INFO L82 PathProgramCache]: Analyzing trace with hash -2092008314, now seen corresponding path program 1 times [2020-08-21 22:13:25,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:13:25,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676809393] [2020-08-21 22:13:25,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:13:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:26,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:13:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:26,351 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 22:13:26,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676809393] [2020-08-21 22:13:26,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:13:26,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 22:13:26,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915138599] [2020-08-21 22:13:26,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 22:13:26,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:13:26,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 22:13:26,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 22:13:26,382 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-21 22:13:28,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:13:28,685 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-08-21 22:13:28,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 22:13:28,687 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-08-21 22:13:28,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:13:28,707 INFO L225 Difference]: With dead ends: 813 [2020-08-21 22:13:28,707 INFO L226 Difference]: Without dead ends: 488 [2020-08-21 22:13:28,717 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 22:13:28,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-08-21 22:13:28,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-08-21 22:13:28,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-08-21 22:13:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-08-21 22:13:28,813 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 132 [2020-08-21 22:13:28,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:13:28,815 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-08-21 22:13:28,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 22:13:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-08-21 22:13:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-21 22:13:28,828 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:13:28,828 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 22:13:28,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 22:13:28,829 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:13:28,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:13:28,829 INFO L82 PathProgramCache]: Analyzing trace with hash 682738721, now seen corresponding path program 1 times [2020-08-21 22:13:28,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:13:28,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801074832] [2020-08-21 22:13:28,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:13:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:29,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:13:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:29,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 22:13:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:29,121 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 22:13:29,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801074832] [2020-08-21 22:13:29,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:13:29,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 22:13:29,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975799847] [2020-08-21 22:13:29,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 22:13:29,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:13:29,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 22:13:29,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-21 22:13:29,125 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 7 states. [2020-08-21 22:13:30,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:13:30,895 INFO L93 Difference]: Finished difference Result 1399 states and 2064 transitions. [2020-08-21 22:13:30,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 22:13:30,896 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-21 22:13:30,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:13:30,904 INFO L225 Difference]: With dead ends: 1399 [2020-08-21 22:13:30,904 INFO L226 Difference]: Without dead ends: 924 [2020-08-21 22:13:30,907 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 22:13:30,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-08-21 22:13:30,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 772. [2020-08-21 22:13:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-08-21 22:13:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2020-08-21 22:13:30,958 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 140 [2020-08-21 22:13:30,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:13:30,959 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2020-08-21 22:13:30,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 22:13:30,959 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2020-08-21 22:13:30,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-21 22:13:30,964 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:13:30,964 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 22:13:30,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 22:13:30,965 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:13:30,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:13:30,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1033618530, now seen corresponding path program 1 times [2020-08-21 22:13:30,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:13:30,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570321412] [2020-08-21 22:13:30,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:13:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:31,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:13:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:31,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 22:13:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:31,207 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 22:13:31,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570321412] [2020-08-21 22:13:31,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:13:31,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 22:13:31,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900211067] [2020-08-21 22:13:31,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 22:13:31,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:13:31,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 22:13:31,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:13:31,210 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand 8 states. [2020-08-21 22:13:33,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:13:33,298 INFO L93 Difference]: Finished difference Result 2632 states and 3998 transitions. [2020-08-21 22:13:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 22:13:33,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2020-08-21 22:13:33,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:13:33,315 INFO L225 Difference]: With dead ends: 2632 [2020-08-21 22:13:33,316 INFO L226 Difference]: Without dead ends: 1866 [2020-08-21 22:13:33,319 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 22:13:33,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2020-08-21 22:13:33,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1545. [2020-08-21 22:13:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1545 states. [2020-08-21 22:13:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2094 transitions. [2020-08-21 22:13:33,398 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2094 transitions. Word has length 154 [2020-08-21 22:13:33,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:13:33,398 INFO L479 AbstractCegarLoop]: Abstraction has 1545 states and 2094 transitions. [2020-08-21 22:13:33,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 22:13:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2094 transitions. [2020-08-21 22:13:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-08-21 22:13:33,409 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:13:33,410 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 22:13:33,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 22:13:33,410 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:13:33,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:13:33,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1282216505, now seen corresponding path program 1 times [2020-08-21 22:13:33,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:13:33,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226153705] [2020-08-21 22:13:33,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:13:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:33,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:13:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:33,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 22:13:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:33,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 22:13:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:33,764 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 22:13:33,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226153705] [2020-08-21 22:13:33,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:13:33,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 22:13:33,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884565927] [2020-08-21 22:13:33,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 22:13:33,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:13:33,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 22:13:33,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 22:13:33,768 INFO L87 Difference]: Start difference. First operand 1545 states and 2094 transitions. Second operand 7 states. [2020-08-21 22:13:36,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:13:36,795 INFO L93 Difference]: Finished difference Result 7540 states and 10695 transitions. [2020-08-21 22:13:36,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 22:13:36,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-08-21 22:13:36,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:13:36,836 INFO L225 Difference]: With dead ends: 7540 [2020-08-21 22:13:36,836 INFO L226 Difference]: Without dead ends: 6001 [2020-08-21 22:13:36,844 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 22:13:36,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6001 states. [2020-08-21 22:13:37,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6001 to 5673. [2020-08-21 22:13:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5673 states. [2020-08-21 22:13:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 5673 states and 7856 transitions. [2020-08-21 22:13:37,056 INFO L78 Accepts]: Start accepts. Automaton has 5673 states and 7856 transitions. Word has length 167 [2020-08-21 22:13:37,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:13:37,058 INFO L479 AbstractCegarLoop]: Abstraction has 5673 states and 7856 transitions. [2020-08-21 22:13:37,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 22:13:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 5673 states and 7856 transitions. [2020-08-21 22:13:37,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-08-21 22:13:37,075 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:13:37,075 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 22:13:37,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 22:13:37,076 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:13:37,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:13:37,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1887045313, now seen corresponding path program 1 times [2020-08-21 22:13:37,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:13:37,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769563970] [2020-08-21 22:13:37,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:13:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:37,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:13:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:37,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 22:13:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:37,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 22:13:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:37,347 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 22:13:37,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769563970] [2020-08-21 22:13:37,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:13:37,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 22:13:37,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19818562] [2020-08-21 22:13:37,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 22:13:37,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:13:37,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 22:13:37,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 22:13:37,350 INFO L87 Difference]: Start difference. First operand 5673 states and 7856 transitions. Second operand 7 states. [2020-08-21 22:13:38,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:13:38,991 INFO L93 Difference]: Finished difference Result 11131 states and 15877 transitions. [2020-08-21 22:13:38,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 22:13:38,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-08-21 22:13:38,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:13:39,026 INFO L225 Difference]: With dead ends: 11131 [2020-08-21 22:13:39,027 INFO L226 Difference]: Without dead ends: 5464 [2020-08-21 22:13:39,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 22:13:39,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5464 states. [2020-08-21 22:13:39,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5464 to 5254. [2020-08-21 22:13:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5254 states. [2020-08-21 22:13:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 6737 transitions. [2020-08-21 22:13:39,293 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 6737 transitions. Word has length 171 [2020-08-21 22:13:39,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:13:39,294 INFO L479 AbstractCegarLoop]: Abstraction has 5254 states and 6737 transitions. [2020-08-21 22:13:39,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 22:13:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 6737 transitions. [2020-08-21 22:13:39,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-08-21 22:13:39,311 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:13:39,311 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 22:13:39,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 22:13:39,312 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:13:39,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:13:39,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1742257649, now seen corresponding path program 1 times [2020-08-21 22:13:39,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:13:39,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957858972] [2020-08-21 22:13:39,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:13:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:39,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:13:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:39,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 22:13:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:39,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 22:13:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 22:13:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:39,595 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 22:13:39,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957858972] [2020-08-21 22:13:39,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:13:39,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 22:13:39,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416101853] [2020-08-21 22:13:39,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 22:13:39,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:13:39,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 22:13:39,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:13:39,604 INFO L87 Difference]: Start difference. First operand 5254 states and 6737 transitions. Second operand 9 states. [2020-08-21 22:13:42,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:13:42,618 INFO L93 Difference]: Finished difference Result 10173 states and 13051 transitions. [2020-08-21 22:13:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 22:13:42,620 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2020-08-21 22:13:42,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:13:42,639 INFO L225 Difference]: With dead ends: 10173 [2020-08-21 22:13:42,639 INFO L226 Difference]: Without dead ends: 4481 [2020-08-21 22:13:42,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-08-21 22:13:42,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2020-08-21 22:13:42,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 4039. [2020-08-21 22:13:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4039 states. [2020-08-21 22:13:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 4039 states and 4891 transitions. [2020-08-21 22:13:42,793 INFO L78 Accepts]: Start accepts. Automaton has 4039 states and 4891 transitions. Word has length 197 [2020-08-21 22:13:42,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:13:42,793 INFO L479 AbstractCegarLoop]: Abstraction has 4039 states and 4891 transitions. [2020-08-21 22:13:42,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 22:13:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 4039 states and 4891 transitions. [2020-08-21 22:13:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-08-21 22:13:42,807 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:13:42,807 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 22:13:42,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 22:13:42,808 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:13:42,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:13:42,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1025523057, now seen corresponding path program 1 times [2020-08-21 22:13:42,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:13:42,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143656359] [2020-08-21 22:13:42,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:13:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:43,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:13:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:43,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 22:13:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:43,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 22:13:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:43,157 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 22:13:43,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143656359] [2020-08-21 22:13:43,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:13:43,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 22:13:43,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389102334] [2020-08-21 22:13:43,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 22:13:43,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:13:43,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 22:13:43,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:13:43,161 INFO L87 Difference]: Start difference. First operand 4039 states and 4891 transitions. Second operand 9 states. [2020-08-21 22:13:45,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:13:45,023 INFO L93 Difference]: Finished difference Result 9138 states and 11177 transitions. [2020-08-21 22:13:45,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 22:13:45,026 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-08-21 22:13:45,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:13:45,047 INFO L225 Difference]: With dead ends: 9138 [2020-08-21 22:13:45,047 INFO L226 Difference]: Without dead ends: 5249 [2020-08-21 22:13:45,057 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 22:13:45,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2020-08-21 22:13:45,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 4655. [2020-08-21 22:13:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4655 states. [2020-08-21 22:13:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 5544 transitions. [2020-08-21 22:13:45,178 INFO L78 Accepts]: Start accepts. Automaton has 4655 states and 5544 transitions. Word has length 213 [2020-08-21 22:13:45,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:13:45,178 INFO L479 AbstractCegarLoop]: Abstraction has 4655 states and 5544 transitions. [2020-08-21 22:13:45,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 22:13:45,178 INFO L276 IsEmpty]: Start isEmpty. Operand 4655 states and 5544 transitions. [2020-08-21 22:13:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-21 22:13:45,191 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:13:45,191 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 22:13:45,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 22:13:45,192 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:13:45,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:13:45,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1559618823, now seen corresponding path program 1 times [2020-08-21 22:13:45,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:13:45,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144541136] [2020-08-21 22:13:45,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:13:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:45,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:13:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:45,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 22:13:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:45,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 22:13:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:45,506 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 22:13:45,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144541136] [2020-08-21 22:13:45,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:13:45,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 22:13:45,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467366645] [2020-08-21 22:13:45,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 22:13:45,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:13:45,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 22:13:45,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:13:45,510 INFO L87 Difference]: Start difference. First operand 4655 states and 5544 transitions. Second operand 8 states. [2020-08-21 22:13:47,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:13:47,402 INFO L93 Difference]: Finished difference Result 9170 states and 10928 transitions. [2020-08-21 22:13:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 22:13:47,408 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-08-21 22:13:47,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:13:47,432 INFO L225 Difference]: With dead ends: 9170 [2020-08-21 22:13:47,432 INFO L226 Difference]: Without dead ends: 3736 [2020-08-21 22:13:47,444 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 22:13:47,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2020-08-21 22:13:47,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3436. [2020-08-21 22:13:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3436 states. [2020-08-21 22:13:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3436 states and 3745 transitions. [2020-08-21 22:13:47,528 INFO L78 Accepts]: Start accepts. Automaton has 3436 states and 3745 transitions. Word has length 217 [2020-08-21 22:13:47,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:13:47,529 INFO L479 AbstractCegarLoop]: Abstraction has 3436 states and 3745 transitions. [2020-08-21 22:13:47,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 22:13:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3436 states and 3745 transitions. [2020-08-21 22:13:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-08-21 22:13:47,539 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:13:47,539 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 22:13:47,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 22:13:47,540 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:13:47,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:13:47,540 INFO L82 PathProgramCache]: Analyzing trace with hash 836626846, now seen corresponding path program 1 times [2020-08-21 22:13:47,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:13:47,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838973470] [2020-08-21 22:13:47,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:13:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:47,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:13:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 22:13:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:47,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 22:13:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:13:47,844 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 22:13:47,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838973470] [2020-08-21 22:13:47,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:13:47,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 22:13:47,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553760067] [2020-08-21 22:13:47,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 22:13:47,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:13:47,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 22:13:47,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:13:47,852 INFO L87 Difference]: Start difference. First operand 3436 states and 3745 transitions. Second operand 8 states. [2020-08-21 22:13:49,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:13:49,582 INFO L93 Difference]: Finished difference Result 6858 states and 7522 transitions. [2020-08-21 22:13:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 22:13:49,582 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 238 [2020-08-21 22:13:49,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:13:49,583 INFO L225 Difference]: With dead ends: 6858 [2020-08-21 22:13:49,583 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 22:13:49,594 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 22:13:49,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 22:13:49,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 22:13:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 22:13:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 22:13:49,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2020-08-21 22:13:49,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:13:49,596 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 22:13:49,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 22:13:49,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 22:13:49,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 22:13:49,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 22:13:49,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 22:13:50,284 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 140 [2020-08-21 22:13:50,435 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 140 [2020-08-21 22:13:52,145 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 218 DAG size of output: 72 [2020-08-21 22:13:52,576 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2020-08-21 22:13:52,984 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2020-08-21 22:13:52,988 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 22:13:52,989 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 22:13:52,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 22:13:52,989 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,989 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,989 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,990 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,990 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,990 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-21 22:13:52,990 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-21 22:13:52,990 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-21 22:13:52,990 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 22:13:52,990 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-21 22:13:52,990 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,991 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-21 22:13:52,992 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-21 22:13:52,993 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-21 22:13:52,993 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-21 22:13:52,993 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-21 22:13:52,993 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-21 22:13:52,993 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-21 22:13:52,993 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,995 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,995 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,995 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,995 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,996 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2020-08-21 22:13:52,996 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-21 22:13:52,996 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-21 22:13:52,996 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-21 22:13:52,996 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 22:13:52,996 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 22:13:52,996 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 22:13:52,996 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-21 22:13:52,996 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-21 22:13:52,997 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-21 22:13:52,997 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-21 22:13:52,997 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-21 22:13:52,997 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,997 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,997 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,997 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,997 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:52,997 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-21 22:13:52,998 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-21 22:13:52,998 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-21 22:13:52,998 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 22:13:52,998 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 22:13:52,998 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-21 22:13:52,998 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 22:13:52,998 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-21 22:13:52,998 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-21 22:13:52,998 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-21 22:13:52,999 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-21 22:13:52,999 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-21 22:13:53,000 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-21 22:13:53,000 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,000 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,000 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,000 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,000 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,001 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-21 22:13:53,001 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 22:13:53,001 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-21 22:13:53,001 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 22:13:53,001 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 22:13:53,001 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-21 22:13:53,001 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-21 22:13:53,001 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-21 22:13:53,001 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-21 22:13:53,002 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-21 22:13:53,002 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-21 22:13:53,002 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-21 22:13:53,002 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-21 22:13:53,002 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-21 22:13:53,002 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-21 22:13:53,002 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-21 22:13:53,002 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,002 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,003 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,003 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,003 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-21 22:13:53,003 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,003 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-21 22:13:53,003 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,003 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 22:13:53,004 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-21 22:13:53,004 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-21 22:13:53,004 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,004 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,004 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 22:13:53,005 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-21 22:13:53,005 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-21 22:13:53,005 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 22:13:53,005 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 22:13:53,005 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 22:13:53,005 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-21 22:13:53,005 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-21 22:13:53,005 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-21 22:13:53,006 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-21 22:13:53,006 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-21 22:13:53,006 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,006 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,006 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,006 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,006 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,006 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,007 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-21 22:13:53,007 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 22:13:53,007 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 22:13:53,007 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-21 22:13:53,007 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 22:13:53,007 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-21 22:13:53,007 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 22:13:53,008 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-21 22:13:53,008 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-21 22:13:53,008 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-21 22:13:53,008 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-21 22:13:53,008 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,008 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,008 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,009 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,009 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,009 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,009 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-21 22:13:53,009 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-21 22:13:53,009 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-21 22:13:53,009 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 22:13:53,009 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 22:13:53,009 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-21 22:13:53,010 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 22:13:53,010 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 22:13:53,010 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-21 22:13:53,010 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-21 22:13:53,010 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-21 22:13:53,010 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-21 22:13:53,010 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-21 22:13:53,010 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-21 22:13:53,010 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,011 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,011 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,011 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 22:13:53,011 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,011 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,011 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,012 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-21 22:13:53,012 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-21 22:13:53,012 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-21 22:13:53,012 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 22:13:53,012 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 22:13:53,012 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 22:13:53,012 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 22:13:53,012 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 22:13:53,012 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-21 22:13:53,012 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-21 22:13:53,013 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-21 22:13:53,013 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-21 22:13:53,013 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-21 22:13:53,013 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,013 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,013 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,013 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,013 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,013 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,013 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-21 22:13:53,014 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-21 22:13:53,014 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 22:13:53,014 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 22:13:53,014 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-21 22:13:53,014 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 22:13:53,014 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 22:13:53,014 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-21 22:13:53,014 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-21 22:13:53,014 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-21 22:13:53,015 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-21 22:13:53,015 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-21 22:13:53,015 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-21 22:13:53,015 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-21 22:13:53,015 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-21 22:13:53,015 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-21 22:13:53,015 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,015 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,016 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,016 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,016 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 22:13:53,016 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-21 22:13:53,016 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-21 22:13:53,016 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-21 22:13:53,016 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-21 22:13:53,016 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-21 22:13:53,017 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-21 22:13:53,017 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 22:13:53,017 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 22:13:53,017 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 22:13:53,017 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-21 22:13:53,017 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-21 22:13:53,017 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-21 22:13:53,017 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-21 22:13:53,018 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-21 22:13:53,018 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-21 22:13:53,018 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-21 22:13:53,018 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-21 22:13:53,018 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-21 22:13:53,018 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-21 22:13:53,018 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 22:13:53,018 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 22:13:53,019 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 22:13:53,019 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 22:13:53,019 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 22:13:53,019 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 22:13:53,019 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-21 22:13:53,019 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-21 22:13:53,020 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 22:13:53,020 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 22:13:53,020 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-21 22:13:53,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 10:13:53 BoogieIcfgContainer [2020-08-21 22:13:53,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 22:13:53,069 INFO L168 Benchmark]: Toolchain (without parser) took 29520.58 ms. Allocated memory was 138.4 MB in the beginning and 618.7 MB in the end (delta: 480.2 MB). Free memory was 98.8 MB in the beginning and 270.7 MB in the end (delta: -171.9 MB). Peak memory consumption was 503.8 MB. Max. memory is 7.1 GB. [2020-08-21 22:13:53,070 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 22:13:53,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.60 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 98.6 MB in the beginning and 169.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2020-08-21 22:13:53,072 INFO L168 Benchmark]: Boogie Preprocessor took 118.43 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 164.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-21 22:13:53,076 INFO L168 Benchmark]: RCFGBuilder took 1299.37 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 164.8 MB in the beginning and 179.3 MB in the end (delta: -14.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2020-08-21 22:13:53,077 INFO L168 Benchmark]: TraceAbstraction took 27377.38 ms. Allocated memory was 233.8 MB in the beginning and 618.7 MB in the end (delta: 384.8 MB). Free memory was 179.3 MB in the beginning and 270.7 MB in the end (delta: -91.5 MB). Peak memory consumption was 488.9 MB. Max. memory is 7.1 GB. [2020-08-21 22:13:53,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.60 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 98.6 MB in the beginning and 169.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.43 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 164.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1299.37 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 164.8 MB in the beginning and 179.3 MB in the end (delta: -14.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27377.38 ms. Allocated memory was 233.8 MB in the beginning and 618.7 MB in the end (delta: 384.8 MB). Free memory was 179.3 MB in the beginning and 270.7 MB in the end (delta: -91.5 MB). Peak memory consumption was 488.9 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: 23.8s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 19.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 9124 SDslu, 496 SDs, 0 SdLazy, 10178 SolverSat, 2285 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 2.4s 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, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6226 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s 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...