/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:22:41,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:22:41,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:22:41,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:22:41,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:22:41,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:22:41,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:22:41,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:22:41,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:22:41,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:22:41,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:22:41,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:22:41,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:22:41,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:22:41,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:22:41,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:22:41,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:22:41,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:22:41,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:22:41,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:22:41,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:22:41,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:22:41,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:22:41,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:22:41,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:22:41,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:22:41,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:22:41,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:22:41,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:22:41,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:22:41,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:22:41,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:22:41,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:22:41,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:22:41,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:22:41,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:22:41,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:22:41,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:22:41,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:22:41,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:22:41,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:22:41,796 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 [2020-08-18 20:22:41,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:22:41,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:22:41,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:22:41,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:22:41,820 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:22:41,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:22:41,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:22:41,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:22:41,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:22:41,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:22:41,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:22:41,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:22:41,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:22:41,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:22:41,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:22:41,822 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:22:41,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:22:41,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:22:41,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:22:41,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:22:41,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:22:41,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:22:41,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:22:41,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:22:41,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:22:41,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:22:41,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:22:41,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:22:41,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:22:41,825 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=5;interpolation-heuristic=SHALLOWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; [2020-08-18 20:22:42,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:22:42,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:22:42,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:22:42,189 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:22:42,192 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:22:42,194 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-08-18 20:22:42,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbd53c628/0a515b2718a64807ba07f884f84981dc/FLAG94108a060 [2020-08-18 20:22:42,822 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:22:42,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-08-18 20:22:42,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbd53c628/0a515b2718a64807ba07f884f84981dc/FLAG94108a060 [2020-08-18 20:22:43,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbd53c628/0a515b2718a64807ba07f884f84981dc [2020-08-18 20:22:43,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:22:43,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:22:43,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:22:43,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:22:43,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:22:43,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:22:43" (1/1) ... [2020-08-18 20:22:43,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43, skipping insertion in model container [2020-08-18 20:22:43,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:22:43" (1/1) ... [2020-08-18 20:22:43,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:22:43,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:22:43,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:22:43,710 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:22:43,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:22:43,871 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:22:43,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43 WrapperNode [2020-08-18 20:22:43,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:22:43,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:22:43,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:22:43,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:22:43,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43" (1/1) ... [2020-08-18 20:22:43,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43" (1/1) ... [2020-08-18 20:22:43,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43" (1/1) ... [2020-08-18 20:22:43,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43" (1/1) ... [2020-08-18 20:22:43,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43" (1/1) ... [2020-08-18 20:22:43,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43" (1/1) ... [2020-08-18 20:22:43,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43" (1/1) ... [2020-08-18 20:22:43,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:22:43,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:22:43,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:22:43,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:22:43,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43" (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 [2020-08-18 20:22:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:22:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:22:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 20:22:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:22:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 20:22:44,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:22:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:22:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 20:22:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:22:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:22:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:22:45,385 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:22:45,385 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 20:22:45,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:22:45 BoogieIcfgContainer [2020-08-18 20:22:45,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:22:45,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:22:45,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:22:45,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:22:45,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:22:43" (1/3) ... [2020-08-18 20:22:45,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6ad3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:22:45, skipping insertion in model container [2020-08-18 20:22:45,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:43" (2/3) ... [2020-08-18 20:22:45,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6ad3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:22:45, skipping insertion in model container [2020-08-18 20:22:45,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:22:45" (3/3) ... [2020-08-18 20:22:45,402 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2020-08-18 20:22:45,413 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:22:45,422 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:22:45,437 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:22:45,465 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:22:45,465 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:22:45,465 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:22:45,466 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:22:45,466 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:22:45,466 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:22:45,467 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:22:45,467 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:22:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 20:22:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 20:22:45,501 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:45,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:22:45,503 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:45,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:45,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1515832586, now seen corresponding path program 1 times [2020-08-18 20:22:45,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:45,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636964579] [2020-08-18 20:22:45,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:45,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:22:45,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636964579] [2020-08-18 20:22:45,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:22:45,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:22:45,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928088056] [2020-08-18 20:22:45,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:22:45,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:45,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:22:45,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:22:45,872 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-18 20:22:47,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:47,924 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-18 20:22:47,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:22:47,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-08-18 20:22:47,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:47,960 INFO L225 Difference]: With dead ends: 730 [2020-08-18 20:22:47,960 INFO L226 Difference]: Without dead ends: 447 [2020-08-18 20:22:47,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:22:47,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-18 20:22:48,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-18 20:22:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-18 20:22:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-18 20:22:48,060 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 47 [2020-08-18 20:22:48,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:48,061 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-18 20:22:48,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:22:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-18 20:22:48,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-08-18 20:22:48,068 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:48,068 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:22:48,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:22:48,069 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:48,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:48,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1601579245, now seen corresponding path program 1 times [2020-08-18 20:22:48,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:48,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393570142] [2020-08-18 20:22:48,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:48,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:48,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:48,350 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:22:48,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393570142] [2020-08-18 20:22:48,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:22:48,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 20:22:48,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860970777] [2020-08-18 20:22:48,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:22:48,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:48,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:22:48,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:22:48,355 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-18 20:22:49,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:49,919 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-18 20:22:49,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 20:22:49,920 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-08-18 20:22:49,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:49,925 INFO L225 Difference]: With dead ends: 1041 [2020-08-18 20:22:49,926 INFO L226 Difference]: Without dead ends: 606 [2020-08-18 20:22:49,928 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 [2020-08-18 20:22:49,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-18 20:22:49,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-18 20:22:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-18 20:22:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-18 20:22:49,980 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 120 [2020-08-18 20:22:49,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:49,980 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-18 20:22:49,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:22:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-18 20:22:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-08-18 20:22:49,987 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:49,987 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:22:49,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:22:49,988 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:49,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:49,989 INFO L82 PathProgramCache]: Analyzing trace with hash -446355495, now seen corresponding path program 1 times [2020-08-18 20:22:49,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:49,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551696228] [2020-08-18 20:22:49,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:50,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:50,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:22:50,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551696228] [2020-08-18 20:22:50,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:22:50,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 20:22:50,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149893238] [2020-08-18 20:22:50,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:22:50,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:50,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:22:50,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:22:50,275 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-18 20:22:52,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:52,065 INFO L93 Difference]: Finished difference Result 1823 states and 2680 transitions. [2020-08-18 20:22:52,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 20:22:52,066 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2020-08-18 20:22:52,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:52,075 INFO L225 Difference]: With dead ends: 1823 [2020-08-18 20:22:52,075 INFO L226 Difference]: Without dead ends: 1210 [2020-08-18 20:22:52,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-18 20:22:52,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2020-08-18 20:22:52,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1035. [2020-08-18 20:22:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-08-18 20:22:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1482 transitions. [2020-08-18 20:22:52,133 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1482 transitions. Word has length 126 [2020-08-18 20:22:52,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:52,134 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1482 transitions. [2020-08-18 20:22:52,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:22:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1482 transitions. [2020-08-18 20:22:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-18 20:22:52,140 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:52,141 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:22:52,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:22:52,141 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:52,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:52,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1926007174, now seen corresponding path program 1 times [2020-08-18 20:22:52,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:52,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645434605] [2020-08-18 20:22:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:52,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:52,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:22:52,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645434605] [2020-08-18 20:22:52,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:22:52,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 20:22:52,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050132471] [2020-08-18 20:22:52,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:22:52,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:52,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:22:52,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:22:52,386 INFO L87 Difference]: Start difference. First operand 1035 states and 1482 transitions. Second operand 7 states. [2020-08-18 20:22:53,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:53,831 INFO L93 Difference]: Finished difference Result 2666 states and 3891 transitions. [2020-08-18 20:22:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 20:22:53,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2020-08-18 20:22:53,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:53,842 INFO L225 Difference]: With dead ends: 2666 [2020-08-18 20:22:53,842 INFO L226 Difference]: Without dead ends: 1637 [2020-08-18 20:22:53,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-18 20:22:53,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-08-18 20:22:53,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1484. [2020-08-18 20:22:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-08-18 20:22:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 2105 transitions. [2020-08-18 20:22:53,897 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 2105 transitions. Word has length 137 [2020-08-18 20:22:53,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:53,898 INFO L479 AbstractCegarLoop]: Abstraction has 1484 states and 2105 transitions. [2020-08-18 20:22:53,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:22:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2105 transitions. [2020-08-18 20:22:53,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-08-18 20:22:53,901 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:53,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:22:53,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:22:53,902 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:53,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:53,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1514289222, now seen corresponding path program 1 times [2020-08-18 20:22:53,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:53,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737776989] [2020-08-18 20:22:53,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:53,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:54,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:22:54,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737776989] [2020-08-18 20:22:54,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:22:54,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 20:22:54,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580561709] [2020-08-18 20:22:54,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:22:54,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:54,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:22:54,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:22:54,134 INFO L87 Difference]: Start difference. First operand 1484 states and 2105 transitions. Second operand 8 states. [2020-08-18 20:22:56,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:56,241 INFO L93 Difference]: Finished difference Result 4289 states and 6334 transitions. [2020-08-18 20:22:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 20:22:56,242 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-08-18 20:22:56,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:56,259 INFO L225 Difference]: With dead ends: 4289 [2020-08-18 20:22:56,259 INFO L226 Difference]: Without dead ends: 2954 [2020-08-18 20:22:56,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-18 20:22:56,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2020-08-18 20:22:56,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2513. [2020-08-18 20:22:56,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2513 states. [2020-08-18 20:22:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3479 transitions. [2020-08-18 20:22:56,352 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3479 transitions. Word has length 159 [2020-08-18 20:22:56,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:56,353 INFO L479 AbstractCegarLoop]: Abstraction has 2513 states and 3479 transitions. [2020-08-18 20:22:56,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:22:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3479 transitions. [2020-08-18 20:22:56,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-08-18 20:22:56,357 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:56,357 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 20:22:56,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:22:56,357 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:56,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:56,358 INFO L82 PathProgramCache]: Analyzing trace with hash 983089597, now seen corresponding path program 1 times [2020-08-18 20:22:56,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:56,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016416041] [2020-08-18 20:22:56,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:56,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:56,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:56,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 20:22:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 144 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 20:22:56,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016416041] [2020-08-18 20:22:56,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:22:56,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 20:22:56,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241865854] [2020-08-18 20:22:56,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 20:22:56,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:56,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 20:22:56,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 20:22:56,625 INFO L87 Difference]: Start difference. First operand 2513 states and 3479 transitions. Second operand 10 states. [2020-08-18 20:23:00,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:23:00,548 INFO L93 Difference]: Finished difference Result 5904 states and 8205 transitions. [2020-08-18 20:23:00,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-18 20:23:00,555 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-08-18 20:23:00,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:23:00,569 INFO L225 Difference]: With dead ends: 5904 [2020-08-18 20:23:00,570 INFO L226 Difference]: Without dead ends: 3397 [2020-08-18 20:23:00,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-18 20:23:00,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-08-18 20:23:00,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3103. [2020-08-18 20:23:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3103 states. [2020-08-18 20:23:00,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 3985 transitions. [2020-08-18 20:23:00,681 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 3985 transitions. Word has length 196 [2020-08-18 20:23:00,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:23:00,681 INFO L479 AbstractCegarLoop]: Abstraction has 3103 states and 3985 transitions. [2020-08-18 20:23:00,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 20:23:00,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 3985 transitions. [2020-08-18 20:23:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-08-18 20:23:00,686 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:23:00,687 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 20:23:00,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 20:23:00,687 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:23:00,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:23:00,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236310, now seen corresponding path program 1 times [2020-08-18 20:23:00,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:23:00,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878280130] [2020-08-18 20:23:00,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:23:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:23:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:00,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:23:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:00,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-18 20:23:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 80 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-18 20:23:00,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878280130] [2020-08-18 20:23:00,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:23:00,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 20:23:00,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064185022] [2020-08-18 20:23:00,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:23:00,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:23:00,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:23:00,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:23:00,977 INFO L87 Difference]: Start difference. First operand 3103 states and 3985 transitions. Second operand 7 states. [2020-08-18 20:23:02,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:23:02,215 INFO L93 Difference]: Finished difference Result 6359 states and 8212 transitions. [2020-08-18 20:23:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:23:02,224 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-08-18 20:23:02,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:23:02,240 INFO L225 Difference]: With dead ends: 6359 [2020-08-18 20:23:02,240 INFO L226 Difference]: Without dead ends: 3262 [2020-08-18 20:23:02,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 20:23:02,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2020-08-18 20:23:02,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3248. [2020-08-18 20:23:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3248 states. [2020-08-18 20:23:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4140 transitions. [2020-08-18 20:23:02,341 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4140 transitions. Word has length 233 [2020-08-18 20:23:02,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:23:02,342 INFO L479 AbstractCegarLoop]: Abstraction has 3248 states and 4140 transitions. [2020-08-18 20:23:02,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:23:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4140 transitions. [2020-08-18 20:23:02,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-08-18 20:23:02,348 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:23:02,348 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 20:23:02,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 20:23:02,349 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:23:02,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:23:02,349 INFO L82 PathProgramCache]: Analyzing trace with hash 363105573, now seen corresponding path program 1 times [2020-08-18 20:23:02,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:23:02,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500865441] [2020-08-18 20:23:02,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:23:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:02,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:23:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:02,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:23:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:02,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 20:23:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 20:23:02,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500865441] [2020-08-18 20:23:02,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:23:02,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 20:23:02,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187408626] [2020-08-18 20:23:02,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:23:02,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:23:02,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:23:02,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:23:02,743 INFO L87 Difference]: Start difference. First operand 3248 states and 4140 transitions. Second operand 7 states. [2020-08-18 20:23:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:23:06,312 INFO L93 Difference]: Finished difference Result 6355 states and 8180 transitions. [2020-08-18 20:23:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 20:23:06,313 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 252 [2020-08-18 20:23:06,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:23:06,325 INFO L225 Difference]: With dead ends: 6355 [2020-08-18 20:23:06,326 INFO L226 Difference]: Without dead ends: 3256 [2020-08-18 20:23:06,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:23:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3256 states. [2020-08-18 20:23:06,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3256 to 2817. [2020-08-18 20:23:06,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2817 states. [2020-08-18 20:23:06,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 3388 transitions. [2020-08-18 20:23:06,413 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 3388 transitions. Word has length 252 [2020-08-18 20:23:06,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:23:06,414 INFO L479 AbstractCegarLoop]: Abstraction has 2817 states and 3388 transitions. [2020-08-18 20:23:06,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:23:06,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3388 transitions. [2020-08-18 20:23:06,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-08-18 20:23:06,420 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:23:06,420 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 20:23:06,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 20:23:06,421 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:23:06,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:23:06,421 INFO L82 PathProgramCache]: Analyzing trace with hash -2035949762, now seen corresponding path program 1 times [2020-08-18 20:23:06,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:23:06,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411313736] [2020-08-18 20:23:06,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:23:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:06,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:23:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:06,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:23:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:06,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 20:23:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 20:23:06,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1411313736] [2020-08-18 20:23:06,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:23:06,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 20:23:06,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077445245] [2020-08-18 20:23:06,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:23:06,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:23:06,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:23:06,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:23:06,802 INFO L87 Difference]: Start difference. First operand 2817 states and 3388 transitions. Second operand 7 states. [2020-08-18 20:23:08,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:23:08,441 INFO L93 Difference]: Finished difference Result 5495 states and 6650 transitions. [2020-08-18 20:23:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 20:23:08,442 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 259 [2020-08-18 20:23:08,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:23:08,452 INFO L225 Difference]: With dead ends: 5495 [2020-08-18 20:23:08,453 INFO L226 Difference]: Without dead ends: 2827 [2020-08-18 20:23:08,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:23:08,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2020-08-18 20:23:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2235. [2020-08-18 20:23:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-18 20:23:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2591 transitions. [2020-08-18 20:23:08,514 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2591 transitions. Word has length 259 [2020-08-18 20:23:08,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:23:08,514 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2591 transitions. [2020-08-18 20:23:08,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:23:08,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2591 transitions. [2020-08-18 20:23:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-08-18 20:23:08,523 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:23:08,523 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:23:08,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 20:23:08,523 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:23:08,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:23:08,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1698020394, now seen corresponding path program 1 times [2020-08-18 20:23:08,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:23:08,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564528268] [2020-08-18 20:23:08,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:23:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:08,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:23:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:08,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:23:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:08,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 20:23:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:23:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-18 20:23:08,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564528268] [2020-08-18 20:23:08,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:23:08,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 20:23:08,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886674282] [2020-08-18 20:23:08,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:23:08,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:23:08,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:23:08,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:23:08,933 INFO L87 Difference]: Start difference. First operand 2235 states and 2591 transitions. Second operand 5 states. [2020-08-18 20:23:10,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:23:10,180 INFO L93 Difference]: Finished difference Result 4762 states and 5594 transitions. [2020-08-18 20:23:10,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:23:10,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2020-08-18 20:23:10,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:23:10,181 INFO L225 Difference]: With dead ends: 4762 [2020-08-18 20:23:10,182 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:23:10,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 20:23:10,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:23:10,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:23:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:23:10,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:23:10,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2020-08-18 20:23:10,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:23:10,191 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:23:10,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:23:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:23:10,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:23:10,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 20:23:10,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:23:10,673 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-08-18 20:23:11,526 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 61 [2020-08-18 20:23:12,262 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-08-18 20:23:12,919 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-08-18 20:23:12,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:23:12,923 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)|)) [2020-08-18 20:23:12,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:23:12,923 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 20:23:12,924 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,924 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,924 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,924 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,924 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,924 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,924 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 20:23:12,925 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 20:23:12,925 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 20:23:12,925 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 20:23:12,925 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 20:23:12,926 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 20:23:12,926 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 20:23:12,926 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 20:23:12,926 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 20:23:12,926 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 20:23:12,926 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 20:23:12,927 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,927 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,927 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,927 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,927 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,927 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 20:23:12,927 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 20:23:12,927 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 20:23:12,928 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 20:23:12,928 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 20:23:12,928 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 20:23:12,928 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 20:23:12,928 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 20:23:12,928 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 20:23:12,928 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 20:23:12,928 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 20:23:12,928 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 20:23:12,929 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 20:23:12,929 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-08-18 20:23:12,929 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 20:23:12,929 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,929 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,929 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,929 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,930 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,930 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 20:23:12,930 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 20:23:12,930 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 20:23:12,930 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 20:23:12,930 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 20:23:12,930 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 20:23:12,931 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 20:23:12,931 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 20:23:12,931 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 20:23:12,931 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 20:23:12,931 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,931 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,931 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,932 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,932 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,932 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 20:23:12,932 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 20:23:12,932 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 20:23:12,932 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 20:23:12,932 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 20:23:12,933 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 20:23:12,933 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 20:23:12,933 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 20:23:12,933 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 20:23:12,933 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 20:23:12,933 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 20:23:12,933 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 20:23:12,933 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 20:23:12,934 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 20:23:12,935 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 20:23:12,936 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 20:23:12,936 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 20:23:12,936 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 20:23:12,936 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 20:23:12,936 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 20:23:12,936 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 20:23:12,936 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 20:23:12,936 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 20:23:12,936 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 20:23:12,936 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,937 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,937 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,937 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,937 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 20:23:12,937 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,937 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,937 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 20:23:12,937 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 20:23:12,938 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 20:23:12,938 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 20:23:12,938 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 20:23:12,938 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 20:23:12,938 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 20:23:12,938 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 20:23:12,938 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 20:23:12,938 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 20:23:12,938 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 20:23:12,938 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 20:23:12,939 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 20:23:12,940 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 20:23:12,940 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 20:23:12,940 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 20:23:12,940 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 20:23:12,940 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 20:23:12,940 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 20:23:12,940 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 20:23:12,940 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (<= 9 |old(~a19~0)|))) (.cse4 (not (= |old(~a10~0)| 1))) (.cse5 (not (<= 23 |old(~a1~0)|))) (.cse1 (not (<= |old(~a10~0)| 0))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse6 (not (= 14 ~a4~0))) (.cse7 (not (= ~a12~0 0)))) (and (or .cse0 (and (or .cse1 .cse2 (not (<= |old(~a1~0)| 23))) (or .cse2 (not (= 0 |old(~a10~0)|))))) (or .cse0 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse2 .cse4 .cse0) (or .cse0 .cse3 (= 8 |old(~a19~0)|)) (or .cse5 .cse4 .cse0 .cse6 .cse7) (or .cse0 .cse3 (not (= 4 |old(~a10~0)|))) (or .cse5 .cse1 .cse0 .cse3 .cse6 .cse7))) [2020-08-18 20:23:12,941 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 20:23:12,941 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 20:23:12,941 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 20:23:12,941 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,941 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,941 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,941 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,941 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 20:23:12,942 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 20:23:12,943 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 20:23:12,944 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 20:23:12,944 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 20:23:12,944 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 20:23:12,944 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 20:23:12,944 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 20:23:12,944 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 20:23:12,944 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 20:23:12,944 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 20:23:12,945 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 20:23:12,946 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 20:23:12,946 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 20:23:12,946 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 20:23:12,946 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 20:23:12,946 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 20:23:12,946 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 20:23:12,946 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 20:23:12,946 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:23:12,946 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-18 20:23:12,946 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:23:12,946 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:23:12,947 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)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-18 20:23:12,947 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 20:23:12,947 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse4 (= ~a10~0 |old(~a10~0)|)) (.cse7 (= ~a19~0 8)) (.cse0 (<= ~a10~0 0)) (.cse6 (<= 23 ~a1~0)) (.cse3 (<= ~a19~0 9)) (.cse5 (= ~a10~0 1)) (.cse1 (<= 9 ~a19~0)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23) .cse2) (and (= ~a10~0 2) .cse3 .cse2) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse4) (and .cse5 .cse6 .cse2) (and .cse1 .cse2 .cse4) (and .cse7 .cse5 (<= 331505 ~a1~0)) (and (not .cse7) .cse3 .cse2) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse3 (= ~a10~0 4) .cse2) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse0 .cse6 .cse3 .cse2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse5 .cse1 .cse2))) [2020-08-18 20:23:12,947 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 20:23:12,947 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 20:23:12,947 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse4 (= ~a10~0 |old(~a10~0)|)) (.cse7 (= ~a19~0 8)) (.cse0 (<= ~a10~0 0)) (.cse6 (<= 23 ~a1~0)) (.cse3 (<= ~a19~0 9)) (.cse5 (= ~a10~0 1)) (.cse1 (<= 9 ~a19~0)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23) .cse2) (and (= ~a10~0 2) .cse3 .cse2) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse4) (and .cse5 .cse6 .cse2) (and .cse1 .cse2 .cse4) (and .cse7 .cse5 (<= 331505 ~a1~0)) (and (not .cse7) .cse3 .cse2) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse3 (= ~a10~0 4) .cse2) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and .cse0 .cse6 .cse3 .cse2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (and .cse5 .cse1 .cse2))) [2020-08-18 20:23:12,947 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 20:23:12,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:23:12 BoogieIcfgContainer [2020-08-18 20:23:12,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:23:12,971 INFO L168 Benchmark]: Toolchain (without parser) took 29859.92 ms. Allocated memory was 140.5 MB in the beginning and 494.9 MB in the end (delta: 354.4 MB). Free memory was 102.5 MB in the beginning and 301.0 MB in the end (delta: -198.6 MB). Peak memory consumption was 368.3 MB. Max. memory is 7.1 GB. [2020-08-18 20:23:12,972 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 20:23:12,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.43 ms. Allocated memory was 140.5 MB in the beginning and 207.1 MB in the end (delta: 66.6 MB). Free memory was 102.3 MB in the beginning and 173.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-08-18 20:23:12,974 INFO L168 Benchmark]: Boogie Preprocessor took 109.39 ms. Allocated memory is still 207.1 MB. Free memory was 173.3 MB in the beginning and 168.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-18 20:23:12,975 INFO L168 Benchmark]: RCFGBuilder took 1409.88 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 168.5 MB in the beginning and 177.7 MB in the end (delta: -9.2 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-08-18 20:23:12,976 INFO L168 Benchmark]: TraceAbstraction took 27576.08 ms. Allocated memory was 235.4 MB in the beginning and 494.9 MB in the end (delta: 259.5 MB). Free memory was 177.7 MB in the beginning and 301.0 MB in the end (delta: -123.3 MB). Peak memory consumption was 348.6 MB. Max. memory is 7.1 GB. [2020-08-18 20:23:12,980 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.43 ms. Allocated memory was 140.5 MB in the beginning and 207.1 MB in the end (delta: 66.6 MB). Free memory was 102.3 MB in the beginning and 173.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.39 ms. Allocated memory is still 207.1 MB. Free memory was 173.3 MB in the beginning and 168.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1409.88 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 168.5 MB in the beginning and 177.7 MB in the end (delta: -9.2 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27576.08 ms. Allocated memory was 235.4 MB in the beginning and 494.9 MB in the end (delta: 259.5 MB). Free memory was 177.7 MB in the beginning and 301.0 MB in the end (delta: -123.3 MB). Peak memory consumption was 348.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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: ((((((((((((((((((a10 <= 0 && 9 <= a19) && a1 <= 23) && 0 == \old(a10)) || ((a10 == 2 && a19 <= 9) && 0 == \old(a10))) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || ((a10 == 1 && 23 <= a1) && 0 == \old(a10))) || ((9 <= a19 && 0 == \old(a10)) && a10 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || ((!(a19 == 8) && a19 <= 9) && 0 == \old(a10))) || !(a12 == 0)) || !(23 <= \old(a1))) || ((a19 <= 9 && a10 == 4) && 0 == \old(a10))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(\old(a1) <= 23)) || (((a10 <= 0 && 23 <= a1) && a19 <= 9) && 0 == \old(a10))) || !(14 == a4)) || !(\old(a19) <= 9)) || ((a10 == 1 && 9 <= a19) && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 20.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 301 SDtfs, 5152 SDslu, 495 SDs, 0 SdLazy, 12262 SolverSat, 1463 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3248occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2128 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 141 PreInvPairs, 181 NumberOfFragments, 539 HoareAnnotationTreeSize, 141 FomulaSimplifications, 60461 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7085 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1832 NumberOfCodeBlocks, 1832 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1822 ConstructedInterpolants, 0 QuantifiedInterpolants, 861908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 882/995 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...