/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:11:49,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 14:11:49,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 14:11:49,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 14:11:49,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 14:11:49,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 14:11:49,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 14:11:49,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 14:11:49,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 14:11:49,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 14:11:49,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 14:11:49,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 14:11:49,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:11:49,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:11:49,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:11:49,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:11:49,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:11:49,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:11:49,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:11:49,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:11:49,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:11:49,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:11:49,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:11:49,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:11:49,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 14:11:49,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 14:11:49,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 14:11:49,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 14:11:49,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 14:11:49,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 14:11:49,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 14:11:49,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 14:11:49,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 14:11:49,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 14:11:49,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 14:11:49,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 14:11:49,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 14:11:49,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 14:11:49,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:11:49,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:11:49,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:11:49,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 14:11:49,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:11:49,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:11:49,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:11:49,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:11:49,609 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:11:49,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:11:49,610 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:11:49,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:11:49,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:11:49,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:11:49,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:11:49,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:11:49,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:11:49,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:11:49,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:11:49,613 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:11:49,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:11:49,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:11:49,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:11:49,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:11:49,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:11:49,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:11:49,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:11:49,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:11:49,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:11:49,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:11:49,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:11:49,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:11:49,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:11:49,616 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 -> log-additional-information=true; [2020-08-21 14:11:49,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:11:49,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:11:49,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:11:49,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:11:49,960 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:11:49,961 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-08-21 14:11:50,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6dfa081a8/2b99f3520437488fa2639488d28cc950/FLAGbea4b884d [2020-08-21 14:11:50,628 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:11:50,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-08-21 14:11:50,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6dfa081a8/2b99f3520437488fa2639488d28cc950/FLAGbea4b884d [2020-08-21 14:11:50,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6dfa081a8/2b99f3520437488fa2639488d28cc950 [2020-08-21 14:11:50,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:11:50,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:11:50,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:11:50,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:11:50,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:11:50,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:11:50" (1/1) ... [2020-08-21 14:11:50,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:50, skipping insertion in model container [2020-08-21 14:11:50,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:11:50" (1/1) ... [2020-08-21 14:11:50,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:11:50,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:11:51,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:11:51,559 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:11:51,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:11:51,727 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:11:51,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:51 WrapperNode [2020-08-21 14:11:51,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:11:51,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:11:51,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:11:51,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:11:51,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:51" (1/1) ... [2020-08-21 14:11:51,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:51" (1/1) ... [2020-08-21 14:11:51,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:51" (1/1) ... [2020-08-21 14:11:51,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:51" (1/1) ... [2020-08-21 14:11:51,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:51" (1/1) ... [2020-08-21 14:11:51,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:51" (1/1) ... [2020-08-21 14:11:51,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:51" (1/1) ... [2020-08-21 14:11:51,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:11:51,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:11:51,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:11:51,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:11:51,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:11:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:11:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:11:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 14:11:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:11:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 14:11:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:11:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:11:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 14:11:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:11:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:11:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:11:53,422 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:11:53,423 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 14:11:53,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:11:53 BoogieIcfgContainer [2020-08-21 14:11:53,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:11:53,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:11:53,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:11:53,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:11:53,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:11:50" (1/3) ... [2020-08-21 14:11:53,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:11:53, skipping insertion in model container [2020-08-21 14:11:53,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:11:51" (2/3) ... [2020-08-21 14:11:53,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:11:53, skipping insertion in model container [2020-08-21 14:11:53,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:11:53" (3/3) ... [2020-08-21 14:11:53,437 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2020-08-21 14:11:53,448 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:11:53,455 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:11:53,470 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:11:53,498 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:11:53,499 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:11:53,499 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:11:53,500 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:11:53,500 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:11:53,500 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:11:53,500 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:11:53,500 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:11:53,524 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 14:11:53,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 14:11:53,534 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:11:53,535 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] [2020-08-21 14:11:53,536 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:11:53,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:11:53,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1515832586, now seen corresponding path program 1 times [2020-08-21 14:11:53,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:11:53,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152244527] [2020-08-21 14:11:53,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:11:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:11:53,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:11:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:11:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:11:53,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152244527] [2020-08-21 14:11:53,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:11:53,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 14:11:53,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808654011] [2020-08-21 14:11:54,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:11:54,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:11:54,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:11:54,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:11:54,024 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-21 14:11:56,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:11:56,290 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-21 14:11:56,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:11:56,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-08-21 14:11:56,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:11:56,311 INFO L225 Difference]: With dead ends: 730 [2020-08-21 14:11:56,312 INFO L226 Difference]: Without dead ends: 447 [2020-08-21 14:11:56,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:11:56,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-21 14:11:56,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-21 14:11:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-21 14:11:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-21 14:11:56,420 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 47 [2020-08-21 14:11:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:11:56,421 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-21 14:11:56,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:11:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-21 14:11:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-08-21 14:11:56,428 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:11:56,428 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] [2020-08-21 14:11:56,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:11:56,429 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:11:56,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:11:56,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1601579245, now seen corresponding path program 1 times [2020-08-21 14:11:56,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:11:56,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390927669] [2020-08-21 14:11:56,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:11:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:11:56,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:11:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:11:56,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:11:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:11:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:11:56,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390927669] [2020-08-21 14:11:56,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:11:56,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:11:56,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817161094] [2020-08-21 14:11:56,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:11:56,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:11:56,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:11:56,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:11:56,798 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-21 14:11:58,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:11:58,409 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-21 14:11:58,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 14:11:58,409 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-08-21 14:11:58,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:11:58,417 INFO L225 Difference]: With dead ends: 1041 [2020-08-21 14:11:58,417 INFO L226 Difference]: Without dead ends: 606 [2020-08-21 14:11:58,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-21 14:11:58,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-21 14:11:58,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-21 14:11:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-21 14:11:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-21 14:11:58,495 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 120 [2020-08-21 14:11:58,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:11:58,499 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-21 14:11:58,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:11:58,499 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-21 14:11:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-08-21 14:11:58,508 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:11:58,508 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] [2020-08-21 14:11:58,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:11:58,509 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:11:58,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:11:58,509 INFO L82 PathProgramCache]: Analyzing trace with hash -446355495, now seen corresponding path program 1 times [2020-08-21 14:11:58,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:11:58,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017667682] [2020-08-21 14:11:58,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:11:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:11:58,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:11:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:11:58,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:11:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:11:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:11:58,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017667682] [2020-08-21 14:11:58,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:11:58,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:11:58,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669796842] [2020-08-21 14:11:58,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:11:58,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:11:58,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:11:58,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:11:58,892 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-21 14:12:00,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:12:00,623 INFO L93 Difference]: Finished difference Result 1823 states and 2680 transitions. [2020-08-21 14:12:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 14:12:00,625 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2020-08-21 14:12:00,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:12:00,640 INFO L225 Difference]: With dead ends: 1823 [2020-08-21 14:12:00,640 INFO L226 Difference]: Without dead ends: 1210 [2020-08-21 14:12:00,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-21 14:12:00,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2020-08-21 14:12:00,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1035. [2020-08-21 14:12:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-08-21 14:12:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1482 transitions. [2020-08-21 14:12:00,717 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1482 transitions. Word has length 126 [2020-08-21 14:12:00,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:12:00,718 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1482 transitions. [2020-08-21 14:12:00,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:12:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1482 transitions. [2020-08-21 14:12:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-21 14:12:00,727 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:12:00,728 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] [2020-08-21 14:12:00,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:12:00,728 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:12:00,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:12:00,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1926007174, now seen corresponding path program 1 times [2020-08-21 14:12:00,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:12:00,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782520725] [2020-08-21 14:12:00,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:12:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:12:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:00,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:12:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:12:00,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782520725] [2020-08-21 14:12:00,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:12:00,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 14:12:00,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845143555] [2020-08-21 14:12:00,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:12:00,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:12:00,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:12:00,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:12:00,985 INFO L87 Difference]: Start difference. First operand 1035 states and 1482 transitions. Second operand 7 states. [2020-08-21 14:12:02,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:12:02,385 INFO L93 Difference]: Finished difference Result 2666 states and 3891 transitions. [2020-08-21 14:12:02,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 14:12:02,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2020-08-21 14:12:02,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:12:02,400 INFO L225 Difference]: With dead ends: 2666 [2020-08-21 14:12:02,400 INFO L226 Difference]: Without dead ends: 1637 [2020-08-21 14:12:02,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-21 14:12:02,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-08-21 14:12:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1484. [2020-08-21 14:12:02,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-08-21 14:12:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 2105 transitions. [2020-08-21 14:12:02,501 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 2105 transitions. Word has length 137 [2020-08-21 14:12:02,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:12:02,502 INFO L479 AbstractCegarLoop]: Abstraction has 1484 states and 2105 transitions. [2020-08-21 14:12:02,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:12:02,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2105 transitions. [2020-08-21 14:12:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-08-21 14:12:02,507 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:12:02,507 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] [2020-08-21 14:12:02,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:12:02,508 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:12:02,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:12:02,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1514289222, now seen corresponding path program 1 times [2020-08-21 14:12:02,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:12:02,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052461195] [2020-08-21 14:12:02,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:12:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:02,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:12:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:02,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:12:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:12:02,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052461195] [2020-08-21 14:12:02,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:12:02,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:12:02,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620789417] [2020-08-21 14:12:02,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:12:02,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:12:02,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:12:02,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:12:02,731 INFO L87 Difference]: Start difference. First operand 1484 states and 2105 transitions. Second operand 8 states. [2020-08-21 14:12:04,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:12:04,867 INFO L93 Difference]: Finished difference Result 4289 states and 6334 transitions. [2020-08-21 14:12:04,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 14:12:04,871 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-08-21 14:12:04,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:12:04,891 INFO L225 Difference]: With dead ends: 4289 [2020-08-21 14:12:04,891 INFO L226 Difference]: Without dead ends: 2954 [2020-08-21 14:12:04,896 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 [2020-08-21 14:12:04,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2020-08-21 14:12:04,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2513. [2020-08-21 14:12:04,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2513 states. [2020-08-21 14:12:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3479 transitions. [2020-08-21 14:12:04,985 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3479 transitions. Word has length 159 [2020-08-21 14:12:04,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:12:04,985 INFO L479 AbstractCegarLoop]: Abstraction has 2513 states and 3479 transitions. [2020-08-21 14:12:04,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:12:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3479 transitions. [2020-08-21 14:12:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-08-21 14:12:04,989 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:12:04,990 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] [2020-08-21 14:12:04,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:12:04,991 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:12:04,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:12:04,992 INFO L82 PathProgramCache]: Analyzing trace with hash 983089597, now seen corresponding path program 1 times [2020-08-21 14:12:04,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:12:04,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125925670] [2020-08-21 14:12:04,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:12:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:05,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:12:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:05,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:12:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:05,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 14:12:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 144 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 14:12:05,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2125925670] [2020-08-21 14:12:05,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:12:05,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 14:12:05,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437767636] [2020-08-21 14:12:05,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 14:12:05,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:12:05,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 14:12:05,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 14:12:05,421 INFO L87 Difference]: Start difference. First operand 2513 states and 3479 transitions. Second operand 10 states. [2020-08-21 14:12:09,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:12:09,128 INFO L93 Difference]: Finished difference Result 5904 states and 8205 transitions. [2020-08-21 14:12:09,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 14:12:09,135 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2020-08-21 14:12:09,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:12:09,153 INFO L225 Difference]: With dead ends: 5904 [2020-08-21 14:12:09,153 INFO L226 Difference]: Without dead ends: 3397 [2020-08-21 14:12:09,160 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 [2020-08-21 14:12:09,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-08-21 14:12:09,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3103. [2020-08-21 14:12:09,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3103 states. [2020-08-21 14:12:09,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 3985 transitions. [2020-08-21 14:12:09,299 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 3985 transitions. Word has length 196 [2020-08-21 14:12:09,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:12:09,300 INFO L479 AbstractCegarLoop]: Abstraction has 3103 states and 3985 transitions. [2020-08-21 14:12:09,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 14:12:09,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 3985 transitions. [2020-08-21 14:12:09,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-08-21 14:12:09,306 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:12:09,306 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] [2020-08-21 14:12:09,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 14:12:09,307 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:12:09,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:12:09,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236310, now seen corresponding path program 1 times [2020-08-21 14:12:09,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:12:09,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677767285] [2020-08-21 14:12:09,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:12:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:09,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:12:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:09,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:12:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:09,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-21 14:12:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 80 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 14:12:09,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677767285] [2020-08-21 14:12:09,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:12:09,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:12:09,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481512746] [2020-08-21 14:12:09,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:12:09,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:12:09,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:12:09,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:12:09,558 INFO L87 Difference]: Start difference. First operand 3103 states and 3985 transitions. Second operand 7 states. [2020-08-21 14:12:10,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:12:10,889 INFO L93 Difference]: Finished difference Result 6359 states and 8212 transitions. [2020-08-21 14:12:10,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 14:12:10,890 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-08-21 14:12:10,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:12:10,910 INFO L225 Difference]: With dead ends: 6359 [2020-08-21 14:12:10,911 INFO L226 Difference]: Without dead ends: 3262 [2020-08-21 14:12:10,920 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 [2020-08-21 14:12:10,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2020-08-21 14:12:11,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3248. [2020-08-21 14:12:11,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3248 states. [2020-08-21 14:12:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4140 transitions. [2020-08-21 14:12:11,052 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4140 transitions. Word has length 233 [2020-08-21 14:12:11,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:12:11,053 INFO L479 AbstractCegarLoop]: Abstraction has 3248 states and 4140 transitions. [2020-08-21 14:12:11,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:12:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4140 transitions. [2020-08-21 14:12:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-08-21 14:12:11,060 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:12:11,060 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] [2020-08-21 14:12:11,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 14:12:11,061 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:12:11,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:12:11,061 INFO L82 PathProgramCache]: Analyzing trace with hash 363105573, now seen corresponding path program 1 times [2020-08-21 14:12:11,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:12:11,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513068914] [2020-08-21 14:12:11,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:12:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:11,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:12:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:11,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:12:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:11,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 14:12:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 14:12:11,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513068914] [2020-08-21 14:12:11,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:12:11,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:12:11,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817687243] [2020-08-21 14:12:11,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:12:11,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:12:11,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:12:11,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:12:11,404 INFO L87 Difference]: Start difference. First operand 3248 states and 4140 transitions. Second operand 7 states. [2020-08-21 14:12:15,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:12:15,395 INFO L93 Difference]: Finished difference Result 6355 states and 8180 transitions. [2020-08-21 14:12:15,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 14:12:15,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 252 [2020-08-21 14:12:15,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:12:15,411 INFO L225 Difference]: With dead ends: 6355 [2020-08-21 14:12:15,411 INFO L226 Difference]: Without dead ends: 3256 [2020-08-21 14:12:15,420 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 [2020-08-21 14:12:15,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3256 states. [2020-08-21 14:12:15,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3256 to 2817. [2020-08-21 14:12:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2817 states. [2020-08-21 14:12:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 3388 transitions. [2020-08-21 14:12:15,514 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 3388 transitions. Word has length 252 [2020-08-21 14:12:15,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:12:15,515 INFO L479 AbstractCegarLoop]: Abstraction has 2817 states and 3388 transitions. [2020-08-21 14:12:15,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:12:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3388 transitions. [2020-08-21 14:12:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-08-21 14:12:15,522 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:12:15,522 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] [2020-08-21 14:12:15,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 14:12:15,523 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:12:15,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:12:15,523 INFO L82 PathProgramCache]: Analyzing trace with hash -2035949762, now seen corresponding path program 1 times [2020-08-21 14:12:15,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:12:15,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221380906] [2020-08-21 14:12:15,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:12:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:15,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:12:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:15,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:12:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:15,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 14:12:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:15,868 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 14:12:15,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221380906] [2020-08-21 14:12:15,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:12:15,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:12:15,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259378343] [2020-08-21 14:12:15,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:12:15,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:12:15,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:12:15,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:12:15,879 INFO L87 Difference]: Start difference. First operand 2817 states and 3388 transitions. Second operand 7 states. [2020-08-21 14:12:17,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:12:17,438 INFO L93 Difference]: Finished difference Result 5495 states and 6650 transitions. [2020-08-21 14:12:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 14:12:17,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 259 [2020-08-21 14:12:17,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:12:17,451 INFO L225 Difference]: With dead ends: 5495 [2020-08-21 14:12:17,451 INFO L226 Difference]: Without dead ends: 2827 [2020-08-21 14:12:17,457 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 [2020-08-21 14:12:17,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2020-08-21 14:12:17,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2235. [2020-08-21 14:12:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-21 14:12:17,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2591 transitions. [2020-08-21 14:12:17,517 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2591 transitions. Word has length 259 [2020-08-21 14:12:17,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:12:17,518 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2591 transitions. [2020-08-21 14:12:17,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:12:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2591 transitions. [2020-08-21 14:12:17,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-08-21 14:12:17,526 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:12:17,526 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] [2020-08-21 14:12:17,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 14:12:17,527 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:12:17,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:12:17,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1698020394, now seen corresponding path program 1 times [2020-08-21 14:12:17,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:12:17,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123248616] [2020-08-21 14:12:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:12:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:17,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:12:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:17,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:12:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:17,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 14:12:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:12:17,835 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-21 14:12:17,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123248616] [2020-08-21 14:12:17,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:12:17,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 14:12:17,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361189649] [2020-08-21 14:12:17,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:12:17,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:12:17,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:12:17,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:12:17,838 INFO L87 Difference]: Start difference. First operand 2235 states and 2591 transitions. Second operand 5 states. [2020-08-21 14:12:19,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:12:19,174 INFO L93 Difference]: Finished difference Result 4762 states and 5594 transitions. [2020-08-21 14:12:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 14:12:19,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2020-08-21 14:12:19,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:12:19,177 INFO L225 Difference]: With dead ends: 4762 [2020-08-21 14:12:19,177 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:12:19,185 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 [2020-08-21 14:12:19,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:12:19,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:12:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:12:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:12:19,186 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2020-08-21 14:12:19,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:12:19,187 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:12:19,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:12:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:12:19,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:12:19,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 14:12:19,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:12:19,529 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-08-21 14:12:20,403 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 61 [2020-08-21 14:12:21,117 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-08-21 14:12:21,793 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-08-21 14:12:21,797 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:12:21,798 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)|)) [2020-08-21 14:12:21,798 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:12:21,798 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 14:12:21,798 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,798 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,799 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,799 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,799 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,799 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,799 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 14:12:21,799 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 14:12:21,800 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 14:12:21,800 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 14:12:21,800 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 14:12:21,800 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 14:12:21,800 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 14:12:21,800 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 14:12:21,801 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 14:12:21,801 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 14:12:21,801 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 14:12:21,801 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,801 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,801 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,801 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,801 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,802 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 14:12:21,802 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 14:12:21,802 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 14:12:21,802 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 14:12:21,802 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 14:12:21,802 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 14:12:21,802 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 14:12:21,802 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 14:12:21,803 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 14:12:21,803 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 14:12:21,803 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 14:12:21,803 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 14:12:21,803 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 14:12:21,803 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-08-21 14:12:21,803 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 14:12:21,804 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,804 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,804 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,804 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,804 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,804 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 14:12:21,804 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 14:12:21,804 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 14:12:21,804 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 14:12:21,805 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 14:12:21,805 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 14:12:21,805 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 14:12:21,805 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 14:12:21,805 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 14:12:21,805 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 14:12:21,805 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,806 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,806 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,806 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,806 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,806 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 14:12:21,806 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 14:12:21,806 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 14:12:21,806 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 14:12:21,807 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 14:12:21,807 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 14:12:21,807 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 14:12:21,807 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 14:12:21,807 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 14:12:21,807 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 14:12:21,807 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 14:12:21,807 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 14:12:21,808 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 14:12:21,808 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,808 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,808 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,808 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,808 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,808 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 14:12:21,808 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 14:12:21,809 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 14:12:21,809 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 14:12:21,809 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 14:12:21,809 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 14:12:21,809 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 14:12:21,809 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 14:12:21,809 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 14:12:21,809 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,810 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,810 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,810 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,810 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,810 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,810 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,810 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 14:12:21,810 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 14:12:21,810 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 14:12:21,811 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 14:12:21,811 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 14:12:21,811 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 14:12:21,811 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 14:12:21,811 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 14:12:21,811 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 14:12:21,811 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 14:12:21,811 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 14:12:21,812 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 14:12:21,812 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 14:12:21,812 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,812 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,812 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,812 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,812 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 14:12:21,813 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,813 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,813 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 14:12:21,813 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 14:12:21,813 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 14:12:21,813 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 14:12:21,813 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 14:12:21,813 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 14:12:21,814 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 14:12:21,814 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 14:12:21,814 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 14:12:21,814 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 14:12:21,814 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 14:12:21,814 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 14:12:21,814 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 14:12:21,814 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,815 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,815 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,815 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,815 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,815 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,815 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 14:12:21,815 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 14:12:21,815 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 14:12:21,816 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 14:12:21,816 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 14:12:21,816 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 14:12:21,816 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 14:12:21,816 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 14:12:21,816 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 14:12:21,816 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 14:12:21,816 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 14:12:21,817 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))) [2020-08-21 14:12:21,817 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 14:12:21,817 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 14:12:21,817 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 14:12:21,817 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,817 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,818 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,818 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,818 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,818 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,818 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 14:12:21,818 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 14:12:21,818 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 14:12:21,818 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 14:12:21,818 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 14:12:21,819 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 14:12:21,819 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 14:12:21,819 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 14:12:21,819 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 14:12:21,819 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 14:12:21,819 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 14:12:21,819 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 14:12:21,819 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 14:12:21,820 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,820 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,820 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,820 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,820 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,820 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,820 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 14:12:21,820 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 14:12:21,820 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 14:12:21,821 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 14:12:21,821 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 14:12:21,821 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 14:12:21,821 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 14:12:21,821 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 14:12:21,821 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 14:12:21,821 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 14:12:21,821 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 14:12:21,822 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 14:12:21,822 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,822 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,822 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,822 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,822 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,822 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 14:12:21,822 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 14:12:21,823 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 14:12:21,823 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 14:12:21,823 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 14:12:21,823 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 14:12:21,823 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 14:12:21,823 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 14:12:21,823 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 14:12:21,823 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 14:12:21,823 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 14:12:21,824 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 14:12:21,824 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 14:12:21,824 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:12:21,824 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)) [2020-08-21 14:12:21,824 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:12:21,824 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:12:21,824 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))) [2020-08-21 14:12:21,825 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 14:12:21,825 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))) [2020-08-21 14:12:21,825 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 14:12:21,825 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 14:12:21,825 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))) [2020-08-21 14:12:21,826 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 14:12:21,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:12:21 BoogieIcfgContainer [2020-08-21 14:12:21,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:12:21,852 INFO L168 Benchmark]: Toolchain (without parser) took 30949.83 ms. Allocated memory was 145.8 MB in the beginning and 532.7 MB in the end (delta: 386.9 MB). Free memory was 100.4 MB in the beginning and 348.0 MB in the end (delta: -247.6 MB). Peak memory consumption was 402.9 MB. Max. memory is 7.1 GB. [2020-08-21 14:12:21,853 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 14:12:21,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.18 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 100.2 MB in the beginning and 168.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-08-21 14:12:21,855 INFO L168 Benchmark]: Boogie Preprocessor took 118.16 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 164.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-21 14:12:21,855 INFO L168 Benchmark]: RCFGBuilder took 1582.02 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 163.7 MB in the beginning and 176.8 MB in the end (delta: -13.1 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-08-21 14:12:21,856 INFO L168 Benchmark]: TraceAbstraction took 28420.46 ms. Allocated memory was 234.4 MB in the beginning and 532.7 MB in the end (delta: 298.3 MB). Free memory was 176.8 MB in the beginning and 348.0 MB in the end (delta: -171.1 MB). Peak memory consumption was 390.7 MB. Max. memory is 7.1 GB. [2020-08-21 14:12:21,864 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 824.18 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 100.2 MB in the beginning and 168.8 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.16 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 164.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1582.02 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 163.7 MB in the beginning and 176.8 MB in the end (delta: -13.1 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28420.46 ms. Allocated memory was 234.4 MB in the beginning and 532.7 MB in the end (delta: 298.3 MB). Free memory was 176.8 MB in the beginning and 348.0 MB in the end (delta: -171.1 MB). Peak memory consumption was 390.7 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: 25.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 301 SDtfs, 5152 SDslu, 495 SDs, 0 SdLazy, 12262 SolverSat, 1463 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 15.4s 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: 0.8s 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, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s 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...