/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 03:06:55,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 03:06:55,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 03:06:55,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 03:06:55,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 03:06:55,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 03:06:55,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 03:06:55,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 03:06:55,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 03:06:55,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 03:06:55,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 03:06:55,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 03:06:55,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 03:06:55,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 03:06:55,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 03:06:55,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 03:06:55,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 03:06:55,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 03:06:55,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 03:06:55,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 03:06:55,397 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 [2020-08-22 03:06:55,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 03:06:55,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 03:06:55,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 03:06:55,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 03:06:55,423 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 03:06:55,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 03:06:55,423 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 03:06:55,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 03:06:55,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 03:06:55,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 03:06:55,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 03:06:55,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 03:06:55,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 03:06:55,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 03:06:55,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 03:06:55,425 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 03:06:55,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 03:06:55,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 03:06:55,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 03:06:55,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 03:06:55,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 03:06:55,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 03:06:55,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 03:06:55,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 03:06:55,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 03:06:55,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 03:06:55,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 03:06:55,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 03:06:55,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 03:06:55,428 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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-08-22 03:06:55,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 03:06:55,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 03:06:55,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 03:06:55,789 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 03:06:55,789 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 03:06:55,790 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-22 03:06:55,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7cdf711eb/0fe9313bf17e4ed38299f6cbdc75c5de/FLAGe8a53941e [2020-08-22 03:06:56,428 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 03:06:56,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-22 03:06:56,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7cdf711eb/0fe9313bf17e4ed38299f6cbdc75c5de/FLAGe8a53941e [2020-08-22 03:06:56,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7cdf711eb/0fe9313bf17e4ed38299f6cbdc75c5de [2020-08-22 03:06:56,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 03:06:56,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 03:06:56,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 03:06:56,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 03:06:56,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 03:06:56,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:06:56" (1/1) ... [2020-08-22 03:06:56,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:56, skipping insertion in model container [2020-08-22 03:06:56,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:06:56" (1/1) ... [2020-08-22 03:06:56,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 03:06:56,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 03:06:57,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:06:57,427 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 03:06:57,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:06:57,544 INFO L208 MainTranslator]: Completed translation [2020-08-22 03:06:57,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:57 WrapperNode [2020-08-22 03:06:57,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 03:06:57,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 03:06:57,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 03:06:57,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 03:06:57,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:57" (1/1) ... [2020-08-22 03:06:57,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:57" (1/1) ... [2020-08-22 03:06:57,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:57" (1/1) ... [2020-08-22 03:06:57,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:57" (1/1) ... [2020-08-22 03:06:57,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:57" (1/1) ... [2020-08-22 03:06:57,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:57" (1/1) ... [2020-08-22 03:06:57,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:57" (1/1) ... [2020-08-22 03:06:57,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 03:06:57,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 03:06:57,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 03:06:57,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 03:06:57,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:57" (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 [2020-08-22 03:06:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 03:06:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 03:06:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 03:06:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 03:06:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 03:06:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 03:06:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 03:06:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 03:06:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 03:06:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 03:06:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 03:06:59,043 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 03:06:59,043 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 03:06:59,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:06:59 BoogieIcfgContainer [2020-08-22 03:06:59,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 03:06:59,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 03:06:59,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 03:06:59,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 03:06:59,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 03:06:56" (1/3) ... [2020-08-22 03:06:59,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341adf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:06:59, skipping insertion in model container [2020-08-22 03:06:59,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:06:57" (2/3) ... [2020-08-22 03:06:59,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341adf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:06:59, skipping insertion in model container [2020-08-22 03:06:59,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:06:59" (3/3) ... [2020-08-22 03:06:59,059 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-08-22 03:06:59,070 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 03:06:59,079 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 03:06:59,094 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 03:06:59,121 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 03:06:59,122 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 03:06:59,122 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 03:06:59,122 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 03:06:59,122 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 03:06:59,122 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 03:06:59,123 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 03:06:59,123 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 03:06:59,147 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-22 03:06:59,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-08-22 03:06:59,156 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:06:59,157 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] [2020-08-22 03:06:59,158 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:06:59,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:06:59,165 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-08-22 03:06:59,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:06:59,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889771490] [2020-08-22 03:06:59,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:06:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:06:59,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:06:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:06:59,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:06:59,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889771490] [2020-08-22 03:06:59,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:06:59,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 03:06:59,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357767413] [2020-08-22 03:06:59,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 03:06:59,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:06:59,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 03:06:59,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 03:06:59,631 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-22 03:07:01,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:01,170 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-22 03:07:01,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 03:07:01,172 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-08-22 03:07:01,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:01,190 INFO L225 Difference]: With dead ends: 596 [2020-08-22 03:07:01,191 INFO L226 Difference]: Without dead ends: 302 [2020-08-22 03:07:01,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 03:07:01,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-22 03:07:01,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-22 03:07:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-22 03:07:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-22 03:07:01,282 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 44 [2020-08-22 03:07:01,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:01,283 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-22 03:07:01,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 03:07:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-22 03:07:01,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-08-22 03:07:01,289 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:07:01,289 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:07:01,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 03:07:01,290 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:07:01,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:07:01,290 INFO L82 PathProgramCache]: Analyzing trace with hash -269514694, now seen corresponding path program 1 times [2020-08-22 03:07:01,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:07:01,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67597901] [2020-08-22 03:07:01,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:07:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:01,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:07:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:01,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:07:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:07:01,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67597901] [2020-08-22 03:07:01,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:07:01,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 03:07:01,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178223238] [2020-08-22 03:07:01,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 03:07:01,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:07:01,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 03:07:01,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 03:07:01,654 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-22 03:07:03,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:03,768 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-22 03:07:03,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 03:07:03,768 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-08-22 03:07:03,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:03,777 INFO L225 Difference]: With dead ends: 1198 [2020-08-22 03:07:03,778 INFO L226 Difference]: Without dead ends: 906 [2020-08-22 03:07:03,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-22 03:07:03,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-22 03:07:03,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-22 03:07:03,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-22 03:07:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-22 03:07:03,851 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 118 [2020-08-22 03:07:03,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:03,852 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-22 03:07:03,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 03:07:03,852 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-22 03:07:03,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-22 03:07:03,858 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:07:03,859 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:07:03,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 03:07:03,860 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:07:03,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:07:03,860 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-08-22 03:07:03,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:07:03,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584873545] [2020-08-22 03:07:03,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:07:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:04,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:07:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:04,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:07:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:07:04,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584873545] [2020-08-22 03:07:04,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:07:04,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 03:07:04,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744288586] [2020-08-22 03:07:04,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 03:07:04,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:07:04,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 03:07:04,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 03:07:04,277 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 8 states. [2020-08-22 03:07:06,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:06,087 INFO L93 Difference]: Finished difference Result 2397 states and 3360 transitions. [2020-08-22 03:07:06,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 03:07:06,089 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-08-22 03:07:06,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:06,105 INFO L225 Difference]: With dead ends: 2397 [2020-08-22 03:07:06,105 INFO L226 Difference]: Without dead ends: 1482 [2020-08-22 03:07:06,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-22 03:07:06,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-08-22 03:07:06,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478. [2020-08-22 03:07:06,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-08-22 03:07:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2069 transitions. [2020-08-22 03:07:06,200 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2069 transitions. Word has length 123 [2020-08-22 03:07:06,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:06,201 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2069 transitions. [2020-08-22 03:07:06,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 03:07:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2069 transitions. [2020-08-22 03:07:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-22 03:07:06,207 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:07:06,207 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:07:06,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 03:07:06,207 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:07:06,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:07:06,208 INFO L82 PathProgramCache]: Analyzing trace with hash -255280675, now seen corresponding path program 1 times [2020-08-22 03:07:06,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:07:06,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109218412] [2020-08-22 03:07:06,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:07:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:06,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:07:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:06,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:07:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:07:06,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109218412] [2020-08-22 03:07:06,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:07:06,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 03:07:06,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024188353] [2020-08-22 03:07:06,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 03:07:06,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:07:06,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 03:07:06,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 03:07:06,437 INFO L87 Difference]: Start difference. First operand 1478 states and 2069 transitions. Second operand 8 states. [2020-08-22 03:07:07,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:07,893 INFO L93 Difference]: Finished difference Result 3592 states and 5347 transitions. [2020-08-22 03:07:07,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 03:07:07,893 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-22 03:07:07,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:07,913 INFO L225 Difference]: With dead ends: 3592 [2020-08-22 03:07:07,913 INFO L226 Difference]: Without dead ends: 2263 [2020-08-22 03:07:07,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-22 03:07:07,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-08-22 03:07:08,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1931. [2020-08-22 03:07:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-08-22 03:07:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2630 transitions. [2020-08-22 03:07:08,013 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2630 transitions. Word has length 139 [2020-08-22 03:07:08,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:08,015 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2630 transitions. [2020-08-22 03:07:08,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 03:07:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2630 transitions. [2020-08-22 03:07:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-22 03:07:08,019 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:07:08,020 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:07:08,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 03:07:08,020 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:07:08,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:07:08,021 INFO L82 PathProgramCache]: Analyzing trace with hash -678088530, now seen corresponding path program 1 times [2020-08-22 03:07:08,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:07:08,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015219490] [2020-08-22 03:07:08,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:07:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:08,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:07:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:08,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:07:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:07:08,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015219490] [2020-08-22 03:07:08,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 03:07:08,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 03:07:08,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428842904] [2020-08-22 03:07:08,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 03:07:08,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:07:08,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 03:07:08,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 03:07:08,265 INFO L87 Difference]: Start difference. First operand 1931 states and 2630 transitions. Second operand 7 states. [2020-08-22 03:07:09,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:09,555 INFO L93 Difference]: Finished difference Result 4023 states and 5493 transitions. [2020-08-22 03:07:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 03:07:09,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-22 03:07:09,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:09,574 INFO L225 Difference]: With dead ends: 4023 [2020-08-22 03:07:09,574 INFO L226 Difference]: Without dead ends: 2098 [2020-08-22 03:07:09,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:07:09,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2020-08-22 03:07:09,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2084. [2020-08-22 03:07:09,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2020-08-22 03:07:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2810 transitions. [2020-08-22 03:07:09,642 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2810 transitions. Word has length 140 [2020-08-22 03:07:09,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:09,642 INFO L479 AbstractCegarLoop]: Abstraction has 2084 states and 2810 transitions. [2020-08-22 03:07:09,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 03:07:09,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2810 transitions. [2020-08-22 03:07:09,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-08-22 03:07:09,645 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:07:09,645 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:07:09,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 03:07:09,645 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:07:09,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:07:09,646 INFO L82 PathProgramCache]: Analyzing trace with hash 716002293, now seen corresponding path program 1 times [2020-08-22 03:07:09,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:07:09,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126745564] [2020-08-22 03:07:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:07:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:09,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:07:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:09,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:07:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:09,923 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 03:07:09,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126745564] [2020-08-22 03:07:09,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:07:09,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 03:07:09,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859133891] [2020-08-22 03:07:09,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 03:07:09,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:07:09,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 03:07:09,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 03:07:09,927 INFO L87 Difference]: Start difference. First operand 2084 states and 2810 transitions. Second operand 8 states. [2020-08-22 03:07:12,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:12,641 INFO L93 Difference]: Finished difference Result 4629 states and 6453 transitions. [2020-08-22 03:07:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 03:07:12,642 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-08-22 03:07:12,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:12,656 INFO L225 Difference]: With dead ends: 4629 [2020-08-22 03:07:12,658 INFO L226 Difference]: Without dead ends: 2694 [2020-08-22 03:07:12,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-22 03:07:12,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2020-08-22 03:07:12,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2676. [2020-08-22 03:07:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2676 states. [2020-08-22 03:07:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3566 transitions. [2020-08-22 03:07:12,752 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3566 transitions. Word has length 159 [2020-08-22 03:07:12,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:12,753 INFO L479 AbstractCegarLoop]: Abstraction has 2676 states and 3566 transitions. [2020-08-22 03:07:12,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 03:07:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3566 transitions. [2020-08-22 03:07:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-08-22 03:07:12,757 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:07:12,757 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:07:12,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 03:07:12,757 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:07:12,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:07:12,758 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times [2020-08-22 03:07:12,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:07:12,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668049580] [2020-08-22 03:07:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:07:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:12,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:07:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:12,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:07:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 03:07:12,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668049580] [2020-08-22 03:07:12,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:07:12,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 03:07:12,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109628105] [2020-08-22 03:07:12,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 03:07:12,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:07:12,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 03:07:12,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-22 03:07:12,990 INFO L87 Difference]: Start difference. First operand 2676 states and 3566 transitions. Second operand 7 states. [2020-08-22 03:07:14,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:14,839 INFO L93 Difference]: Finished difference Result 3989 states and 5421 transitions. [2020-08-22 03:07:14,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 03:07:14,841 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2020-08-22 03:07:14,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:14,863 INFO L225 Difference]: With dead ends: 3989 [2020-08-22 03:07:14,864 INFO L226 Difference]: Without dead ends: 3987 [2020-08-22 03:07:14,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:07:14,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2020-08-22 03:07:14,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 2972. [2020-08-22 03:07:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2972 states. [2020-08-22 03:07:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 4020 transitions. [2020-08-22 03:07:14,961 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 4020 transitions. Word has length 181 [2020-08-22 03:07:14,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:14,962 INFO L479 AbstractCegarLoop]: Abstraction has 2972 states and 4020 transitions. [2020-08-22 03:07:14,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 03:07:14,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 4020 transitions. [2020-08-22 03:07:14,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-08-22 03:07:14,965 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:07:14,966 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 03:07:14,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 03:07:14,966 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:07:14,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:07:14,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times [2020-08-22 03:07:14,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:07:14,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640049367] [2020-08-22 03:07:14,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:07:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:15,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:07:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:15,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:07:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:15,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 03:07:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 03:07:15,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640049367] [2020-08-22 03:07:15,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:07:15,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 03:07:15,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181954857] [2020-08-22 03:07:15,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 03:07:15,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:07:15,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 03:07:15,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:07:15,248 INFO L87 Difference]: Start difference. First operand 2972 states and 4020 transitions. Second operand 10 states. [2020-08-22 03:07:19,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:19,098 INFO L93 Difference]: Finished difference Result 7547 states and 10346 transitions. [2020-08-22 03:07:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 03:07:19,099 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-08-22 03:07:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:19,120 INFO L225 Difference]: With dead ends: 7547 [2020-08-22 03:07:19,121 INFO L226 Difference]: Without dead ends: 4724 [2020-08-22 03:07:19,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-22 03:07:19,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4724 states. [2020-08-22 03:07:19,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4724 to 3862. [2020-08-22 03:07:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2020-08-22 03:07:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 4856 transitions. [2020-08-22 03:07:19,237 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 4856 transitions. Word has length 193 [2020-08-22 03:07:19,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:19,237 INFO L479 AbstractCegarLoop]: Abstraction has 3862 states and 4856 transitions. [2020-08-22 03:07:19,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 03:07:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 4856 transitions. [2020-08-22 03:07:19,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-08-22 03:07:19,246 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:07:19,247 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:07:19,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 03:07:19,247 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:07:19,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:07:19,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times [2020-08-22 03:07:19,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:07:19,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525566284] [2020-08-22 03:07:19,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:07:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:19,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:07:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:19,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:07:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:19,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 03:07:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:19,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-22 03:07:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 119 proven. 204 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-22 03:07:19,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525566284] [2020-08-22 03:07:19,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:07:19,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 03:07:19,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366846494] [2020-08-22 03:07:19,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 03:07:19,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:07:19,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 03:07:19,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-22 03:07:19,836 INFO L87 Difference]: Start difference. First operand 3862 states and 4856 transitions. Second operand 10 states. [2020-08-22 03:07:22,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:22,533 INFO L93 Difference]: Finished difference Result 7899 states and 9999 transitions. [2020-08-22 03:07:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 03:07:22,534 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 279 [2020-08-22 03:07:22,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:22,555 INFO L225 Difference]: With dead ends: 7899 [2020-08-22 03:07:22,555 INFO L226 Difference]: Without dead ends: 4186 [2020-08-22 03:07:22,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2020-08-22 03:07:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2020-08-22 03:07:22,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 4166. [2020-08-22 03:07:22,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4166 states. [2020-08-22 03:07:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 5218 transitions. [2020-08-22 03:07:22,655 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 5218 transitions. Word has length 279 [2020-08-22 03:07:22,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:22,655 INFO L479 AbstractCegarLoop]: Abstraction has 4166 states and 5218 transitions. [2020-08-22 03:07:22,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 03:07:22,656 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 5218 transitions. [2020-08-22 03:07:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-08-22 03:07:22,668 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:07:22,668 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 03:07:22,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 03:07:22,669 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:07:22,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:07:22,669 INFO L82 PathProgramCache]: Analyzing trace with hash 2082826957, now seen corresponding path program 1 times [2020-08-22 03:07:22,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:07:22,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481093596] [2020-08-22 03:07:22,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:07:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:22,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:07:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:22,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:07:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:22,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-22 03:07:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:23,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 03:07:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 265 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-22 03:07:23,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481093596] [2020-08-22 03:07:23,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:07:23,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 03:07:23,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224270770] [2020-08-22 03:07:23,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 03:07:23,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:07:23,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 03:07:23,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-22 03:07:23,186 INFO L87 Difference]: Start difference. First operand 4166 states and 5218 transitions. Second operand 9 states. [2020-08-22 03:07:26,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:26,511 INFO L93 Difference]: Finished difference Result 10189 states and 12761 transitions. [2020-08-22 03:07:26,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 03:07:26,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341 [2020-08-22 03:07:26,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:26,535 INFO L225 Difference]: With dead ends: 10189 [2020-08-22 03:07:26,535 INFO L226 Difference]: Without dead ends: 4275 [2020-08-22 03:07:26,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-08-22 03:07:26,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2020-08-22 03:07:26,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 3413. [2020-08-22 03:07:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3413 states. [2020-08-22 03:07:26,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 3847 transitions. [2020-08-22 03:07:26,628 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 3847 transitions. Word has length 341 [2020-08-22 03:07:26,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:26,628 INFO L479 AbstractCegarLoop]: Abstraction has 3413 states and 3847 transitions. [2020-08-22 03:07:26,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 03:07:26,629 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 3847 transitions. [2020-08-22 03:07:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-08-22 03:07:26,642 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 03:07:26,642 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-08-22 03:07:26,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 03:07:26,642 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 03:07:26,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 03:07:26,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1873477998, now seen corresponding path program 1 times [2020-08-22 03:07:26,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 03:07:26,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460394176] [2020-08-22 03:07:26,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 03:07:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:26,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 03:07:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:26,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 03:07:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:27,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-22 03:07:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:27,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-22 03:07:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:27,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-08-22 03:07:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 03:07:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 153 proven. 386 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-08-22 03:07:27,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460394176] [2020-08-22 03:07:27,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 03:07:27,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 03:07:27,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431722727] [2020-08-22 03:07:27,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 03:07:27,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 03:07:27,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 03:07:27,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-22 03:07:27,496 INFO L87 Difference]: Start difference. First operand 3413 states and 3847 transitions. Second operand 12 states. [2020-08-22 03:07:31,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 03:07:31,406 INFO L93 Difference]: Finished difference Result 7976 states and 9106 transitions. [2020-08-22 03:07:31,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 03:07:31,407 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 401 [2020-08-22 03:07:31,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 03:07:31,408 INFO L225 Difference]: With dead ends: 7976 [2020-08-22 03:07:31,408 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 03:07:31,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2020-08-22 03:07:31,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 03:07:31,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 03:07:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 03:07:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 03:07:31,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401 [2020-08-22 03:07:31,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 03:07:31,422 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 03:07:31,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 03:07:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 03:07:31,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 03:07:31,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 03:07:31,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 03:07:32,366 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162 [2020-08-22 03:07:32,650 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162 [2020-08-22 03:07:34,284 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 278 DAG size of output: 69 [2020-08-22 03:07:35,077 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-08-22 03:07:35,839 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-08-22 03:07:35,844 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:07:35,845 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-22 03:07:35,845 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:07:35,845 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-22 03:07:35,845 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,845 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,846 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,847 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,847 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,847 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,847 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-22 03:07:35,847 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-22 03:07:35,847 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 03:07:35,848 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 03:07:35,848 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 03:07:35,848 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 03:07:35,848 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 03:07:35,848 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 03:07:35,848 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-22 03:07:35,848 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-22 03:07:35,849 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-22 03:07:35,849 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,851 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,852 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,852 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,852 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,852 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-22 03:07:35,852 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-22 03:07:35,852 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-22 03:07:35,852 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-22 03:07:35,853 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 03:07:35,853 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 03:07:35,853 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 03:07:35,853 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 03:07:35,853 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 03:07:35,853 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-22 03:07:35,853 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-22 03:07:35,853 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-22 03:07:35,854 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-22 03:07:35,854 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-08-22 03:07:35,854 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-22 03:07:35,854 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,854 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,854 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,854 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,854 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,855 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-22 03:07:35,856 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 03:07:35,856 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 03:07:35,856 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 03:07:35,856 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 03:07:35,856 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 03:07:35,856 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-22 03:07:35,856 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-22 03:07:35,856 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-22 03:07:35,857 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-22 03:07:35,857 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,857 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,858 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,861 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,861 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,861 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-22 03:07:35,861 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-22 03:07:35,861 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-22 03:07:35,861 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 03:07:35,861 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 03:07:35,861 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 03:07:35,861 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 03:07:35,862 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,863 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-22 03:07:35,864 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-22 03:07:35,865 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-22 03:07:35,866 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-22 03:07:35,866 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,866 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,866 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,866 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,866 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 03:07:35,866 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-22 03:07:35,867 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 03:07:35,868 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 03:07:35,869 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 03:07:35,869 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 03:07:35,869 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 03:07:35,869 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 03:07:35,869 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-22 03:07:35,869 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-22 03:07:35,869 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (= 9 |old(~a19~0)|))) (let ((.cse7 (not (<= 2 |old(~a10~0)|))) (.cse10 (= 8 |old(~a19~0)|)) (.cse1 (and (not (<= |old(~a1~0)| 38)) (not (< 218 |old(~a1~0)|)))) (.cse12 (not (<= 10 |old(~a19~0)|))) (.cse3 (= 3 |old(~a10~0)|)) (.cse11 (= 0 |old(~a10~0)|)) (.cse0 (not (<= 23 |old(~a1~0)|))) (.cse13 (not (<= |old(~a10~0)| 0))) (.cse9 (not (<= |old(~a19~0)| 9))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse14 (not .cse8)) (.cse4 (not (= 14 ~a4~0))) (.cse5 (= 2 |old(~a10~0)|)) (.cse6 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 .cse7 .cse5) (or .cse8 .cse2 .cse3 .cse7 .cse9) (or .cse2 (not (<= |old(~a1~0)| 23)) .cse9 .cse10) (or .cse1 .cse2 .cse9 .cse4 .cse10 .cse6) (or .cse8 .cse2 .cse9 .cse10 .cse11) (or .cse1 .cse12 .cse2 (not .cse11)) (or .cse12 .cse2 .cse3 .cse5 .cse11) (or .cse13 .cse14 .cse2) (or .cse0 .cse13 .cse2 .cse9 .cse4 .cse6) (or .cse2 .cse14 .cse4 .cse5 .cse6)))) [2020-08-22 03:07:35,870 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-22 03:07:35,870 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-22 03:07:35,870 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-22 03:07:35,870 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,870 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,870 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,870 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,870 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,871 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,871 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-22 03:07:35,871 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 03:07:35,871 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 03:07:35,871 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 03:07:35,871 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 03:07:35,871 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 03:07:35,871 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 03:07:35,871 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-22 03:07:35,872 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,873 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,874 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,874 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 03:07:35,874 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-22 03:07:35,874 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-22 03:07:35,874 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-22 03:07:35,874 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 03:07:35,874 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 03:07:35,874 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 03:07:35,874 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 03:07:35,875 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 03:07:35,875 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 03:07:35,875 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-22 03:07:35,875 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-22 03:07:35,875 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-22 03:07:35,875 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:07:35,875 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-22 03:07:35,876 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 03:07:35,876 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:07:35,876 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-22 03:07:35,876 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-22 03:07:35,876 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= 10 ~a19~0)) (.cse5 (not (= ~a10~0 2))) (.cse6 (= ~a19~0 8)) (.cse0 (or (< 218 ~a1~0) (<= ~a1~0 38))) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse8 (<= 23 ~a1~0)) (.cse9 (<= ~a1~0 23)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse7 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a10~0 0)) .cse4 .cse1 .cse5 .cse2) (and (not .cse6) .cse5 .cse7 .cse2) (and .cse6 (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (and .cse8 .cse4 .cse0 .cse7 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse8 .cse9 .cse10 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) .cse8 .cse7 .cse2) (and .cse9 .cse10 .cse2) (and .cse4 (not (= ~a19~0 9)) .cse7 (<= 2 ~a10~0) .cse2))) [2020-08-22 03:07:35,877 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-22 03:07:35,877 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-22 03:07:35,877 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= 10 ~a19~0)) (.cse5 (not (= ~a10~0 2))) (.cse6 (= ~a19~0 8)) (.cse0 (or (< 218 ~a1~0) (<= ~a1~0 38))) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse8 (<= 23 ~a1~0)) (.cse9 (<= ~a1~0 23)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse7 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a10~0 0)) .cse4 .cse1 .cse5 .cse2) (and (not .cse6) .cse5 .cse7 .cse2) (and .cse6 (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (and .cse8 .cse4 .cse0 .cse7 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse8 .cse9 .cse10 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) .cse8 .cse7 .cse2) (and .cse9 .cse10 .cse2) (and .cse4 (not (= ~a19~0 9)) .cse7 (<= 2 ~a10~0) .cse2))) [2020-08-22 03:07:35,877 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-22 03:07:35,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 03:07:35 BoogieIcfgContainer [2020-08-22 03:07:35,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 03:07:35,904 INFO L168 Benchmark]: Toolchain (without parser) took 39147.69 ms. Allocated memory was 137.4 MB in the beginning and 659.0 MB in the end (delta: 521.7 MB). Free memory was 98.2 MB in the beginning and 224.1 MB in the end (delta: -125.9 MB). Peak memory consumption was 546.3 MB. Max. memory is 7.1 GB. [2020-08-22 03:07:35,905 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 03:07:35,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.29 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 98.0 MB in the beginning and 167.2 MB in the end (delta: -69.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-08-22 03:07:35,907 INFO L168 Benchmark]: Boogie Preprocessor took 138.02 ms. Allocated memory is still 201.3 MB. Free memory was 167.2 MB in the beginning and 162.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-22 03:07:35,908 INFO L168 Benchmark]: RCFGBuilder took 1366.04 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 162.8 MB in the beginning and 178.7 MB in the end (delta: -15.9 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2020-08-22 03:07:35,909 INFO L168 Benchmark]: TraceAbstraction took 36851.35 ms. Allocated memory was 230.7 MB in the beginning and 659.0 MB in the end (delta: 428.3 MB). Free memory was 177.2 MB in the beginning and 224.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 532.0 MB. Max. memory is 7.1 GB. [2020-08-22 03:07:35,912 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.29 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 98.0 MB in the beginning and 167.2 MB in the end (delta: -69.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.02 ms. Allocated memory is still 201.3 MB. Free memory was 167.2 MB in the beginning and 162.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1366.04 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 162.8 MB in the beginning and 178.7 MB in the end (delta: -15.9 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36851.35 ms. Allocated memory was 230.7 MB in the beginning and 659.0 MB in the end (delta: 428.3 MB). Free memory was 177.2 MB in the beginning and 224.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 532.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((((((218 < a1 || a1 <= 38) && 10 <= a19) && 0 == \old(a10)) && a10 == \old(a10)) || ((((!(a10 == 0) && !(a10 == 3)) && 10 <= a19) && !(a10 == 2)) && 0 == \old(a10))) || (((!(a19 == 8) && !(a10 == 2)) && a19 <= 9) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || ((((23 <= a1 && !(a10 == 3)) && (218 < a1 || a1 <= 38)) && a19 <= 9) && 0 == \old(a10))) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || (((a10 <= 0 && 23 <= a1) && a19 <= 9) && 0 == \old(a10))) || ((a1 <= 23 && a19 == \old(a19)) && 0 == \old(a10))) || ((((!(a10 == 3) && !(a19 == 9)) && a19 <= 9) && 2 <= a10) && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.3s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 26.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 340 SDtfs, 10125 SDslu, 538 SDs, 0 SdLazy, 17351 SolverSat, 2506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4166occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 3143 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 192 PreInvPairs, 290 NumberOfFragments, 705 HoareAnnotationTreeSize, 192 FomulaSimplifications, 32632 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10656 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2118 NumberOfCodeBlocks, 2118 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2107 ConstructedInterpolants, 0 QuantifiedInterpolants, 1876518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 1014/1669 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...