/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:09:26,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:09:26,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:09:27,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:09:27,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:09:27,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:09:27,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:09:27,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:09:27,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:09:27,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:09:27,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:09:27,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:09:27,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:09:27,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:09:27,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:09:27,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:09:27,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:09:27,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:09:27,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:09:27,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:09:27,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:09:27,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:09:27,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:09:27,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:09:27,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:09:27,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:09:27,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:09:27,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:09:27,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:09:27,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:09:27,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:09:27,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:09:27,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:09:27,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:09:27,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:09:27,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:09:27,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:09:27,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:09:27,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:09:27,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:09:27,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:09:27,115 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 [2020-10-12 13:09:27,136 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:09:27,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:09:27,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:09:27,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:09:27,138 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:09:27,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:09:27,138 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:09:27,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:09:27,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:09:27,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:09:27,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:09:27,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:09:27,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:09:27,140 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:09:27,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:09:27,140 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:09:27,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:09:27,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:09:27,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:09:27,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:09:27,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:09:27,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:09:27,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:09:27,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:09:27,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:09:27,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:09:27,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:09:27,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:09:27,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:09:27,143 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:09:27,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:09:27,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:09:27,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:09:27,436 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:09:27,437 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:09:27,438 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-10-12 13:09:27,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b225bd581/f90103b6c47c456bbe6380eff1ed0e35/FLAG1e34c4354 [2020-10-12 13:09:28,136 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:09:28,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-10-12 13:09:28,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b225bd581/f90103b6c47c456bbe6380eff1ed0e35/FLAG1e34c4354 [2020-10-12 13:09:28,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b225bd581/f90103b6c47c456bbe6380eff1ed0e35 [2020-10-12 13:09:28,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:09:28,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:09:28,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:09:28,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:09:28,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:09:28,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:09:28" (1/1) ... [2020-10-12 13:09:28,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176ea22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:28, skipping insertion in model container [2020-10-12 13:09:28,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:09:28" (1/1) ... [2020-10-12 13:09:28,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:09:28,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:09:29,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:09:29,135 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:09:29,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:09:29,326 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:09:29,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:29 WrapperNode [2020-10-12 13:09:29,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:09:29,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:09:29,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:09:29,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:09:29,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:29" (1/1) ... [2020-10-12 13:09:29,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:29" (1/1) ... [2020-10-12 13:09:29,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:29" (1/1) ... [2020-10-12 13:09:29,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:29" (1/1) ... [2020-10-12 13:09:29,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:29" (1/1) ... [2020-10-12 13:09:29,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:29" (1/1) ... [2020-10-12 13:09:29,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:29" (1/1) ... [2020-10-12 13:09:29,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:09:29,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:09:29,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:09:29,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:09:29,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:29" (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 [2020-10-12 13:09:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:09:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:09:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:09:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:09:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:09:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:09:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:09:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:09:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:09:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:09:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:09:31,311 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:09:31,312 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:09:31,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:09:31 BoogieIcfgContainer [2020-10-12 13:09:31,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:09:31,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:09:31,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:09:31,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:09:31,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:09:28" (1/3) ... [2020-10-12 13:09:31,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d61e236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:09:31, skipping insertion in model container [2020-10-12 13:09:31,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:09:29" (2/3) ... [2020-10-12 13:09:31,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d61e236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:09:31, skipping insertion in model container [2020-10-12 13:09:31,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:09:31" (3/3) ... [2020-10-12 13:09:31,330 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-10-12 13:09:31,342 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:09:31,351 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:09:31,368 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:09:31,395 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:09:31,396 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:09:31,396 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:09:31,396 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:09:31,397 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:09:31,397 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:09:31,397 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:09:31,397 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:09:31,424 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-12 13:09:31,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-12 13:09:31,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:31,434 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] [2020-10-12 13:09:31,434 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:31,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:31,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1626993173, now seen corresponding path program 1 times [2020-10-12 13:09:31,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:31,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652776005] [2020-10-12 13:09:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:31,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:32,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:32,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 13:09:32,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:32,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 426 [2020-10-12 13:09:32,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:32,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:09:32,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:09:32,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 13:09:32,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 13:09:32,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:32,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:32,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:32,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:32,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:32,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 13:09:32,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:09:32,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:32,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:09:32,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652776005] [2020-10-12 13:09:32,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:09:32,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:09:32,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246076437] [2020-10-12 13:09:32,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:09:32,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:32,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:09:32,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:09:32,367 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-12 13:09:34,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:34,722 INFO L93 Difference]: Finished difference Result 806 states and 1404 transitions. [2020-10-12 13:09:34,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:09:34,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-10-12 13:09:34,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:34,746 INFO L225 Difference]: With dead ends: 806 [2020-10-12 13:09:34,746 INFO L226 Difference]: Without dead ends: 434 [2020-10-12 13:09:34,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:09:34,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-12 13:09:34,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 428. [2020-10-12 13:09:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-12 13:09:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 617 transitions. [2020-10-12 13:09:34,840 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 617 transitions. Word has length 40 [2020-10-12 13:09:34,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:34,841 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 617 transitions. [2020-10-12 13:09:34,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:09:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 617 transitions. [2020-10-12 13:09:34,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-12 13:09:34,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:34,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:34,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:09:34,848 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:34,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:34,848 INFO L82 PathProgramCache]: Analyzing trace with hash -798212694, now seen corresponding path program 1 times [2020-10-12 13:09:34,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:34,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058725528] [2020-10-12 13:09:34,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:34,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:35,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:35,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:36,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:36,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-12 13:09:36,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:09:36,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1342 [2020-10-12 13:09:36,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:36,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:09:36,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:09:36,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:09:36,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:36,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:36,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:36,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:36,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:36,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:36,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:09:36,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:36,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:36,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:09:36,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:09:36,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:36,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:36,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:36,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:09:36,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:36,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-12 13:09:36,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:36,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:36,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:36,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:09:36,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:09:36,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058725528] [2020-10-12 13:09:36,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:09:36,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:09:36,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588708746] [2020-10-12 13:09:36,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:09:36,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:36,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:09:36,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:09:36,649 INFO L87 Difference]: Start difference. First operand 428 states and 617 transitions. Second operand 7 states. [2020-10-12 13:09:39,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:39,123 INFO L93 Difference]: Finished difference Result 1276 states and 1888 transitions. [2020-10-12 13:09:39,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:09:39,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2020-10-12 13:09:39,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:39,136 INFO L225 Difference]: With dead ends: 1276 [2020-10-12 13:09:39,136 INFO L226 Difference]: Without dead ends: 854 [2020-10-12 13:09:39,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:09:39,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-10-12 13:09:39,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 819. [2020-10-12 13:09:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2020-10-12 13:09:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1133 transitions. [2020-10-12 13:09:39,188 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1133 transitions. Word has length 112 [2020-10-12 13:09:39,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:39,188 INFO L479 AbstractCegarLoop]: Abstraction has 819 states and 1133 transitions. [2020-10-12 13:09:39,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:09:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1133 transitions. [2020-10-12 13:09:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-12 13:09:39,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:39,194 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:39,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:09:39,194 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:39,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:39,195 INFO L82 PathProgramCache]: Analyzing trace with hash 415326854, now seen corresponding path program 1 times [2020-10-12 13:09:39,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:39,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146514127] [2020-10-12 13:09:39,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:39,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:39,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:39,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:40,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:40,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 13:09:40,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:09:40,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1295 [2020-10-12 13:09:40,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:40,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:09:40,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:09:40,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 13:09:40,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:40,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:40,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:40,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:40,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:40,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:09:40,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:09:40,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:40,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:40,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:40,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:40,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:09:40,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:40,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-12 13:09:40,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 13:09:40,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:09:40,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146514127] [2020-10-12 13:09:40,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:09:40,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:09:40,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165527106] [2020-10-12 13:09:40,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:09:40,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:40,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:09:40,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:09:40,985 INFO L87 Difference]: Start difference. First operand 819 states and 1133 transitions. Second operand 7 states. [2020-10-12 13:09:43,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:43,564 INFO L93 Difference]: Finished difference Result 2045 states and 2796 transitions. [2020-10-12 13:09:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:09:43,565 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-10-12 13:09:43,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:43,572 INFO L225 Difference]: With dead ends: 2045 [2020-10-12 13:09:43,573 INFO L226 Difference]: Without dead ends: 1232 [2020-10-12 13:09:43,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:09:43,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2020-10-12 13:09:43,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1215. [2020-10-12 13:09:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-10-12 13:09:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1610 transitions. [2020-10-12 13:09:43,616 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1610 transitions. Word has length 114 [2020-10-12 13:09:43,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:43,617 INFO L479 AbstractCegarLoop]: Abstraction has 1215 states and 1610 transitions. [2020-10-12 13:09:43,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:09:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1610 transitions. [2020-10-12 13:09:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-12 13:09:43,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:43,620 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:43,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:09:43,620 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:43,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:43,621 INFO L82 PathProgramCache]: Analyzing trace with hash 2070474457, now seen corresponding path program 1 times [2020-10-12 13:09:43,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:43,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108572184] [2020-10-12 13:09:43,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:43,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:44,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:44,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-12 13:09:44,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:09:44,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 790 [2020-10-12 13:09:44,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:44,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:09:44,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:09:44,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 13:09:44,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:44,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:44,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:44,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:44,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:44,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:44,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:09:44,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:44,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:44,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:44,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:09:44,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:44,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:44,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:44,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:44,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 13:09:44,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-12 13:09:44,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:09:44,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:09:44,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108572184] [2020-10-12 13:09:44,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:09:44,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:09:44,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494527898] [2020-10-12 13:09:44,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:09:44,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:44,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:09:44,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:09:44,731 INFO L87 Difference]: Start difference. First operand 1215 states and 1610 transitions. Second operand 7 states. [2020-10-12 13:09:47,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:47,331 INFO L93 Difference]: Finished difference Result 3632 states and 4971 transitions. [2020-10-12 13:09:47,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:09:47,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 115 [2020-10-12 13:09:47,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:47,349 INFO L225 Difference]: With dead ends: 3632 [2020-10-12 13:09:47,349 INFO L226 Difference]: Without dead ends: 2423 [2020-10-12 13:09:47,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:09:47,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2020-10-12 13:09:47,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 2391. [2020-10-12 13:09:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2391 states. [2020-10-12 13:09:47,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2391 states and 2989 transitions. [2020-10-12 13:09:47,440 INFO L78 Accepts]: Start accepts. Automaton has 2391 states and 2989 transitions. Word has length 115 [2020-10-12 13:09:47,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:47,440 INFO L479 AbstractCegarLoop]: Abstraction has 2391 states and 2989 transitions. [2020-10-12 13:09:47,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:09:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 2989 transitions. [2020-10-12 13:09:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 13:09:47,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:47,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:47,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:09:47,443 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:47,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:47,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1749997188, now seen corresponding path program 1 times [2020-10-12 13:09:47,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:47,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173551525] [2020-10-12 13:09:47,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:47,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:47,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:48,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:48,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-12 13:09:48,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:09:48,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 794 [2020-10-12 13:09:48,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 13:09:48,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:09:48,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 13:09:48,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:48,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:48,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:48,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:48,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:48,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:48,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 13:09:48,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:48,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:48,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:48,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:09:48,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:48,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:48,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:48,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:09:48,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:48,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-12 13:09:48,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:09:48,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:09:48,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:09:48,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173551525] [2020-10-12 13:09:48,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:48,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:09:48,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188028022] [2020-10-12 13:09:48,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:09:48,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:48,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:09:48,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:09:48,750 INFO L87 Difference]: Start difference. First operand 2391 states and 2989 transitions. Second operand 7 states. [2020-10-12 13:09:51,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:51,711 INFO L93 Difference]: Finished difference Result 6178 states and 7675 transitions. [2020-10-12 13:09:51,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:09:51,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-10-12 13:09:51,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:51,735 INFO L225 Difference]: With dead ends: 6178 [2020-10-12 13:09:51,735 INFO L226 Difference]: Without dead ends: 3793 [2020-10-12 13:09:51,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:09:51,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3793 states. [2020-10-12 13:09:51,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3793 to 3768. [2020-10-12 13:09:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3768 states. [2020-10-12 13:09:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 4643 transitions. [2020-10-12 13:09:51,903 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 4643 transitions. Word has length 156 [2020-10-12 13:09:51,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:51,904 INFO L479 AbstractCegarLoop]: Abstraction has 3768 states and 4643 transitions. [2020-10-12 13:09:51,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:09:51,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 4643 transitions. [2020-10-12 13:09:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-12 13:09:51,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:51,912 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:09:51,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:09:51,913 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:51,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:51,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1194277812, now seen corresponding path program 1 times [2020-10-12 13:09:51,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:51,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174610522] [2020-10-12 13:09:51,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:51,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:52,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:52,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-12 13:09:52,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:52,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-12 13:09:52,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:52,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:09:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 13:09:52,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:52,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:52,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:52,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:52,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:52,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:52,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:09:52,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:52,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:52,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:52,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:52,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:52,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:09:52,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:52,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-12 13:09:52,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:52,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:09:52,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:52,706 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:09:52,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174610522] [2020-10-12 13:09:52,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:52,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:09:52,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846759441] [2020-10-12 13:09:52,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:09:52,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:52,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:09:52,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:09:52,710 INFO L87 Difference]: Start difference. First operand 3768 states and 4643 transitions. Second operand 5 states. [2020-10-12 13:09:54,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:54,702 INFO L93 Difference]: Finished difference Result 8708 states and 11025 transitions. [2020-10-12 13:09:54,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:09:54,702 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2020-10-12 13:09:54,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:54,730 INFO L225 Difference]: With dead ends: 8708 [2020-10-12 13:09:54,730 INFO L226 Difference]: Without dead ends: 5324 [2020-10-12 13:09:54,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:09:54,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2020-10-12 13:09:54,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 4142. [2020-10-12 13:09:54,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4142 states. [2020-10-12 13:09:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 4142 states and 5132 transitions. [2020-10-12 13:09:54,876 INFO L78 Accepts]: Start accepts. Automaton has 4142 states and 5132 transitions. Word has length 171 [2020-10-12 13:09:54,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:54,878 INFO L479 AbstractCegarLoop]: Abstraction has 4142 states and 5132 transitions. [2020-10-12 13:09:54,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:09:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4142 states and 5132 transitions. [2020-10-12 13:09:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-12 13:09:54,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:54,884 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:09:54,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:09:54,885 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:54,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1668827169, now seen corresponding path program 1 times [2020-10-12 13:09:54,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:54,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1134389175] [2020-10-12 13:09:54,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:54,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:55,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:55,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:57,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:57,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-12 13:09:57,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:09:57,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2080 [2020-10-12 13:09:57,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:09:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-10-12 13:09:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 13:09:57,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:57,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:09:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:57,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:57,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:57,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:09:57,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:57,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:09:57,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:57,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:57,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:57,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:57,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:09:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:57,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:57,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:57,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:09:57,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:57,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 13:09:57,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:09:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:09:57,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:09:57,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:09:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:57,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:09:57,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:09:57,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:09:57,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:09:57,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-12 13:09:57,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:09:57,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:09:57,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:09:57,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 13:09:57,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:09:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-12 13:09:57,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1134389175] [2020-10-12 13:09:57,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:09:57,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:09:57,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132554510] [2020-10-12 13:09:57,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:09:57,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:09:57,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:09:57,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:09:57,490 INFO L87 Difference]: Start difference. First operand 4142 states and 5132 transitions. Second operand 5 states. [2020-10-12 13:09:59,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:09:59,350 INFO L93 Difference]: Finished difference Result 8303 states and 10318 transitions. [2020-10-12 13:09:59,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:09:59,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2020-10-12 13:09:59,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:09:59,372 INFO L225 Difference]: With dead ends: 8303 [2020-10-12 13:09:59,372 INFO L226 Difference]: Without dead ends: 4156 [2020-10-12 13:09:59,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:09:59,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4156 states. [2020-10-12 13:09:59,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4156 to 4142. [2020-10-12 13:09:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4142 states. [2020-10-12 13:09:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 4142 states and 5118 transitions. [2020-10-12 13:09:59,489 INFO L78 Accepts]: Start accepts. Automaton has 4142 states and 5118 transitions. Word has length 230 [2020-10-12 13:09:59,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:09:59,490 INFO L479 AbstractCegarLoop]: Abstraction has 4142 states and 5118 transitions. [2020-10-12 13:09:59,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:09:59,491 INFO L276 IsEmpty]: Start isEmpty. Operand 4142 states and 5118 transitions. [2020-10-12 13:09:59,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 13:09:59,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:09:59,495 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:09:59,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:09:59,496 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:09:59,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:09:59,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1042547477, now seen corresponding path program 1 times [2020-10-12 13:09:59,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:09:59,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235036244] [2020-10-12 13:09:59,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:09:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:09:59,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:00,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:00,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:00,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-12 13:10:00,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:10:00,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 627 [2020-10-12 13:10:00,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:10:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:10:00,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 13:10:00,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:00,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:10:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:00,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:00,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:00,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:10:00,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:00,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:10:00,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:00,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:00,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:00,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:00,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:10:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:00,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:00,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:00,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:10:00,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:00,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 13:10:00,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:00,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:10:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:00,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:00,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:00,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 13:10:00,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:00,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 13:10:00,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:10:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:10:00,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-12 13:10:00,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235036244] [2020-10-12 13:10:00,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:10:00,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:10:00,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365183612] [2020-10-12 13:10:00,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:10:00,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:10:00,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:10:00,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:10:00,664 INFO L87 Difference]: Start difference. First operand 4142 states and 5118 transitions. Second operand 6 states. [2020-10-12 13:10:03,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:10:03,856 INFO L93 Difference]: Finished difference Result 9453 states and 11796 transitions. [2020-10-12 13:10:03,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:10:03,857 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 240 [2020-10-12 13:10:03,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:10:03,884 INFO L225 Difference]: With dead ends: 9453 [2020-10-12 13:10:03,884 INFO L226 Difference]: Without dead ends: 5317 [2020-10-12 13:10:03,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:10:03,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5317 states. [2020-10-12 13:10:04,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5317 to 4724. [2020-10-12 13:10:04,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4724 states. [2020-10-12 13:10:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4724 states to 4724 states and 5940 transitions. [2020-10-12 13:10:04,018 INFO L78 Accepts]: Start accepts. Automaton has 4724 states and 5940 transitions. Word has length 240 [2020-10-12 13:10:04,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:10:04,019 INFO L479 AbstractCegarLoop]: Abstraction has 4724 states and 5940 transitions. [2020-10-12 13:10:04,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:10:04,020 INFO L276 IsEmpty]: Start isEmpty. Operand 4724 states and 5940 transitions. [2020-10-12 13:10:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-12 13:10:04,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:10:04,026 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:10:04,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:10:04,026 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:10:04,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:10:04,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1871383572, now seen corresponding path program 1 times [2020-10-12 13:10:04,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:10:04,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740840498] [2020-10-12 13:10:04,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:10:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:04,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:04,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:04,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:05,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:05,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 13:10:05,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:10:05,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1453 [2020-10-12 13:10:05,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:10:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 13:10:05,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-12 13:10:05,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:05,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:10:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:05,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:05,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:05,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:10:05,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:05,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:10:05,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:05,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:10:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:05,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:05,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:05,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:10:05,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:05,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 13:10:05,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:10:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 13:10:05,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:05,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:10:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:05,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:06,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:06,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 13:10:06,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:06,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-12 13:10:06,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:10:06,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:10:06,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-12 13:10:06,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:10:06,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740840498] [2020-10-12 13:10:06,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:10:06,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:10:06,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405479006] [2020-10-12 13:10:06,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:10:06,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:10:06,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:10:06,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:10:06,214 INFO L87 Difference]: Start difference. First operand 4724 states and 5940 transitions. Second operand 7 states. [2020-10-12 13:10:09,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:10:09,756 INFO L93 Difference]: Finished difference Result 11638 states and 15041 transitions. [2020-10-12 13:10:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:10:09,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 257 [2020-10-12 13:10:09,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:10:09,796 INFO L225 Difference]: With dead ends: 11638 [2020-10-12 13:10:09,796 INFO L226 Difference]: Without dead ends: 6920 [2020-10-12 13:10:09,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:10:09,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6920 states. [2020-10-12 13:10:09,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6920 to 6894. [2020-10-12 13:10:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6894 states. [2020-10-12 13:10:09,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6894 states to 6894 states and 8817 transitions. [2020-10-12 13:10:09,987 INFO L78 Accepts]: Start accepts. Automaton has 6894 states and 8817 transitions. Word has length 257 [2020-10-12 13:10:09,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:10:09,988 INFO L479 AbstractCegarLoop]: Abstraction has 6894 states and 8817 transitions. [2020-10-12 13:10:09,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:10:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 6894 states and 8817 transitions. [2020-10-12 13:10:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 13:10:09,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:10:09,995 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:10:09,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:10:09,995 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:10:09,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:10:09,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1219984608, now seen corresponding path program 1 times [2020-10-12 13:10:09,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:10:09,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386638656] [2020-10-12 13:10:09,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:10:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:10,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:10,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:10,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:10,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-12 13:10:10,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:10:10,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 861 [2020-10-12 13:10:10,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:10,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:10:10,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-12 13:10:10,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 13:10:10,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:11,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:10:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:11,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:11,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:11,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:10:11,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:11,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:10:11,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:11,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:11,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:11,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:11,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:11,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:10:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:11,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:11,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:11,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 13:10:11,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:11,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 13:10:11,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:11,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:11,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:11,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:11,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:11,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 13:10:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:11,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:11,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:11,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 13:10:11,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:11,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-12 13:10:11,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:10:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-12 13:10:11,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-12 13:10:11,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386638656] [2020-10-12 13:10:11,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:10:11,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:10:11,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323628961] [2020-10-12 13:10:11,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:10:11,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:10:11,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:10:11,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:10:11,516 INFO L87 Difference]: Start difference. First operand 6894 states and 8817 transitions. Second operand 5 states. [2020-10-12 13:10:13,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:10:13,003 INFO L93 Difference]: Finished difference Result 13814 states and 17693 transitions. [2020-10-12 13:10:13,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:10:13,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2020-10-12 13:10:13,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:10:13,034 INFO L225 Difference]: With dead ends: 13814 [2020-10-12 13:10:13,034 INFO L226 Difference]: Without dead ends: 6906 [2020-10-12 13:10:13,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:10:13,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6906 states. [2020-10-12 13:10:13,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6906 to 6892. [2020-10-12 13:10:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6892 states. [2020-10-12 13:10:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6892 states to 6892 states and 8798 transitions. [2020-10-12 13:10:13,343 INFO L78 Accepts]: Start accepts. Automaton has 6892 states and 8798 transitions. Word has length 267 [2020-10-12 13:10:13,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:10:13,344 INFO L479 AbstractCegarLoop]: Abstraction has 6892 states and 8798 transitions. [2020-10-12 13:10:13,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:10:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 6892 states and 8798 transitions. [2020-10-12 13:10:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 13:10:13,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:10:13,356 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:10:13,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:10:13,356 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:10:13,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:10:13,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1557975250, now seen corresponding path program 1 times [2020-10-12 13:10:13,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:10:13,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46747851] [2020-10-12 13:10:13,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:10:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:13,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:13,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:13,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:14,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:14,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-12 13:10:14,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:10:14,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1447 [2020-10-12 13:10:14,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:14,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:10:14,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-12 13:10:14,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 13:10:14,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:15,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:10:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:15,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:15,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:15,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:10:15,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:15,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:10:15,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:15,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:15,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:10:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:15,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:15,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:15,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:10:15,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:15,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 13:10:15,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:15,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:15,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:10:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:15,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:15,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:15,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 13:10:15,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-12 13:10:15,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:10:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 13:10:15,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-12 13:10:15,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46747851] [2020-10-12 13:10:15,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:10:15,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:10:15,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620319292] [2020-10-12 13:10:15,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:10:15,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:10:15,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:10:15,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:10:15,408 INFO L87 Difference]: Start difference. First operand 6892 states and 8798 transitions. Second operand 5 states. [2020-10-12 13:10:17,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:10:17,031 INFO L93 Difference]: Finished difference Result 13822 states and 17687 transitions. [2020-10-12 13:10:17,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:10:17,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2020-10-12 13:10:17,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:10:17,061 INFO L225 Difference]: With dead ends: 13822 [2020-10-12 13:10:17,061 INFO L226 Difference]: Without dead ends: 6900 [2020-10-12 13:10:17,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:10:17,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6900 states. [2020-10-12 13:10:17,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6900 to 6886. [2020-10-12 13:10:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6886 states. [2020-10-12 13:10:17,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6886 states to 6886 states and 8743 transitions. [2020-10-12 13:10:17,220 INFO L78 Accepts]: Start accepts. Automaton has 6886 states and 8743 transitions. Word has length 267 [2020-10-12 13:10:17,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:10:17,221 INFO L479 AbstractCegarLoop]: Abstraction has 6886 states and 8743 transitions. [2020-10-12 13:10:17,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:10:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 6886 states and 8743 transitions. [2020-10-12 13:10:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-12 13:10:17,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:10:17,230 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:10:17,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 13:10:17,231 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:10:17,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:10:17,231 INFO L82 PathProgramCache]: Analyzing trace with hash 630561712, now seen corresponding path program 1 times [2020-10-12 13:10:17,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:10:17,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435474886] [2020-10-12 13:10:17,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:10:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:17,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:17,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:18,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:18,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:18,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-12 13:10:18,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:10:18,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1263 [2020-10-12 13:10:18,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:10:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:10:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 13:10:18,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:18,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:10:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:18,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:18,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:18,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:10:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:10:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:18,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:10:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:18,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:18,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:18,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:10:18,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 13:10:18,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:10:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:18,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:10:18,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:18,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:10:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:19,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:19,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:19,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:19,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 13:10:19,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:10:19,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-12 13:10:19,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:19,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:10:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:10:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-12 13:10:19,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:19,608 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 135 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:10:19,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435474886] [2020-10-12 13:10:19,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:10:19,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:10:19,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35603437] [2020-10-12 13:10:19,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:10:19,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:10:19,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:10:19,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:10:19,613 INFO L87 Difference]: Start difference. First operand 6886 states and 8743 transitions. Second operand 7 states. [2020-10-12 13:10:22,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:10:22,417 INFO L93 Difference]: Finished difference Result 13850 states and 17898 transitions. [2020-10-12 13:10:22,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:10:22,418 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 278 [2020-10-12 13:10:22,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:10:22,443 INFO L225 Difference]: With dead ends: 13850 [2020-10-12 13:10:22,444 INFO L226 Difference]: Without dead ends: 6970 [2020-10-12 13:10:22,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-12 13:10:22,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6970 states. [2020-10-12 13:10:22,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6970 to 6886. [2020-10-12 13:10:22,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6886 states. [2020-10-12 13:10:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6886 states to 6886 states and 8425 transitions. [2020-10-12 13:10:22,604 INFO L78 Accepts]: Start accepts. Automaton has 6886 states and 8425 transitions. Word has length 278 [2020-10-12 13:10:22,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:10:22,605 INFO L479 AbstractCegarLoop]: Abstraction has 6886 states and 8425 transitions. [2020-10-12 13:10:22,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:10:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 6886 states and 8425 transitions. [2020-10-12 13:10:22,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-10-12 13:10:22,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:10:22,616 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:10:22,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 13:10:22,617 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:10:22,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:10:22,618 INFO L82 PathProgramCache]: Analyzing trace with hash 680314048, now seen corresponding path program 1 times [2020-10-12 13:10:22,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:10:22,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352743717] [2020-10-12 13:10:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:10:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:22,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:22,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:23,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:23,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-10-12 13:10:23,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:10:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 888 [2020-10-12 13:10:23,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:10:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-10-12 13:10:23,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 13:10:23,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:23,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:10:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:23,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:23,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:23,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:10:23,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:23,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:10:23,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:23,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:23,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:10:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:23,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:23,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:23,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:10:23,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:23,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 13:10:23,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:23,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:23,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:10:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:23,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:24,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:24,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 13:10:24,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-12 13:10:24,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:10:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-12 13:10:24,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-12 13:10:24,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352743717] [2020-10-12 13:10:24,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:10:24,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:10:24,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990650727] [2020-10-12 13:10:24,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:10:24,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:10:24,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:10:24,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:10:24,119 INFO L87 Difference]: Start difference. First operand 6886 states and 8425 transitions. Second operand 5 states. [2020-10-12 13:10:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:10:26,361 INFO L93 Difference]: Finished difference Result 14742 states and 18113 transitions. [2020-10-12 13:10:26,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:10:26,362 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2020-10-12 13:10:26,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:10:26,384 INFO L225 Difference]: With dead ends: 14742 [2020-10-12 13:10:26,384 INFO L226 Difference]: Without dead ends: 7862 [2020-10-12 13:10:26,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:10:26,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7862 states. [2020-10-12 13:10:26,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7862 to 7842. [2020-10-12 13:10:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7842 states. [2020-10-12 13:10:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7842 states to 7842 states and 9600 transitions. [2020-10-12 13:10:26,550 INFO L78 Accepts]: Start accepts. Automaton has 7842 states and 9600 transitions. Word has length 281 [2020-10-12 13:10:26,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:10:26,551 INFO L479 AbstractCegarLoop]: Abstraction has 7842 states and 9600 transitions. [2020-10-12 13:10:26,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:10:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 7842 states and 9600 transitions. [2020-10-12 13:10:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-12 13:10:26,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:10:26,559 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:10:26,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 13:10:26,560 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:10:26,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:10:26,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1715344090, now seen corresponding path program 1 times [2020-10-12 13:10:26,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:10:26,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960673706] [2020-10-12 13:10:26,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:10:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:26,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:26,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:28,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:28,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-12 13:10:28,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:10:28,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1810 [2020-10-12 13:10:28,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:10:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-12 13:10:28,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 13:10:28,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:28,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:10:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:28,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:28,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:28,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:10:28,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:28,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:10:28,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:28,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:28,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:10:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:28,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:28,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:28,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:10:28,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:28,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 13:10:28,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:28,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:28,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:28,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:10:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:28,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:28,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:28,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-12 13:10:28,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:28,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-12 13:10:28,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:28,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:10:28,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:28,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-12 13:10:28,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-12 13:10:28,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960673706] [2020-10-12 13:10:28,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:10:28,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:10:28,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715572480] [2020-10-12 13:10:28,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:10:28,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:10:28,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:10:28,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:10:28,970 INFO L87 Difference]: Start difference. First operand 7842 states and 9600 transitions. Second operand 5 states. [2020-10-12 13:10:31,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:10:31,200 INFO L93 Difference]: Finished difference Result 9566 states and 11791 transitions. [2020-10-12 13:10:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:10:31,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 284 [2020-10-12 13:10:31,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:10:31,224 INFO L225 Difference]: With dead ends: 9566 [2020-10-12 13:10:31,224 INFO L226 Difference]: Without dead ends: 9564 [2020-10-12 13:10:31,227 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 [2020-10-12 13:10:31,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9564 states. [2020-10-12 13:10:31,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9564 to 9362. [2020-10-12 13:10:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9362 states. [2020-10-12 13:10:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9362 states to 9362 states and 11560 transitions. [2020-10-12 13:10:31,431 INFO L78 Accepts]: Start accepts. Automaton has 9362 states and 11560 transitions. Word has length 284 [2020-10-12 13:10:31,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:10:31,432 INFO L479 AbstractCegarLoop]: Abstraction has 9362 states and 11560 transitions. [2020-10-12 13:10:31,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:10:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 9362 states and 11560 transitions. [2020-10-12 13:10:31,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-10-12 13:10:31,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:10:31,463 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:10:31,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 13:10:31,464 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:10:31,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:10:31,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1334833720, now seen corresponding path program 1 times [2020-10-12 13:10:31,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:10:31,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656295226] [2020-10-12 13:10:31,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:10:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:31,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:31,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:32,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:33,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:33,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 397 [2020-10-12 13:10:33,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:10:33,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2365 [2020-10-12 13:10:33,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:10:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 357 [2020-10-12 13:10:33,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 13:10:33,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:10:34,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:10:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:34,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:34,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:34,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:10:34,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:34,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:10:34,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:34,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:34,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:34,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:34,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:34,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:10:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:34,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:34,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:34,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:10:34,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:34,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 13:10:34,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:34,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:34,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:34,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:10:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:34,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:34,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:34,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 13:10:34,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:34,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 13:10:34,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:10:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:34,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:10:34,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:34,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-12 13:10:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:10:34,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:10:34,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:10:34,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-12 13:10:34,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:10:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 13:10:34,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:10:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:10:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:10:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 13:10:34,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:10:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2020-10-12 13:10:34,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656295226] [2020-10-12 13:10:34,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:10:34,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:10:34,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983146375] [2020-10-12 13:10:34,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:10:34,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:10:34,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:10:34,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:10:34,338 INFO L87 Difference]: Start difference. First operand 9362 states and 11560 transitions. Second operand 5 states. [2020-10-12 13:10:36,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:10:36,459 INFO L93 Difference]: Finished difference Result 19500 states and 24124 transitions. [2020-10-12 13:10:36,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:10:36,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 383 [2020-10-12 13:10:36,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:10:36,461 INFO L225 Difference]: With dead ends: 19500 [2020-10-12 13:10:36,461 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 13:10:36,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:10:36,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 13:10:36,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 13:10:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 13:10:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 13:10:36,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 383 [2020-10-12 13:10:36,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:10:36,483 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 13:10:36,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:10:36,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 13:10:36,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 13:10:36,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 13:10:36,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 13:10:37,609 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 48 [2020-10-12 13:10:38,096 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 48 [2020-10-12 13:10:39,468 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 314 DAG size of output: 71 [2020-10-12 13:10:39,687 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 60 [2020-10-12 13:10:39,880 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 60 [2020-10-12 13:10:39,885 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:10:39,885 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)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-12 13:10:39,885 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:10:39,885 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-12 13:10:39,886 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-12 13:10:39,886 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-12 13:10:39,886 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,886 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,886 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,887 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,887 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,887 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,887 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,887 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-12 13:10:39,887 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-12 13:10:39,887 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-12 13:10:39,887 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,888 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,888 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,888 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,888 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,888 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,888 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,888 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,888 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,888 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-12 13:10:39,889 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-12 13:10:39,889 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-12 13:10:39,889 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,889 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,889 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,889 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,889 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,889 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,889 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,890 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-12 13:10:39,891 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-12 13:10:39,892 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,892 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,892 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,892 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,892 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,892 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-12 13:10:39,892 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-12 13:10:39,892 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-12 13:10:39,892 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,893 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,893 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,893 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,893 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,893 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-12 13:10:39,893 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-12 13:10:39,893 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,893 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,894 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,894 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,894 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,894 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,894 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-12 13:10:39,894 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-12 13:10:39,894 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,894 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,894 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-12 13:10:39,895 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-12 13:10:39,895 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-12 13:10:39,895 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,895 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,895 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,895 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,895 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,895 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,895 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,896 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-12 13:10:39,896 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-12 13:10:39,896 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-12 13:10:39,896 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-12 13:10:39,896 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-12 13:10:39,896 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-12 13:10:39,896 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-12 13:10:39,896 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,896 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,896 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-12 13:10:39,897 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-12 13:10:39,897 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,897 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,897 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,897 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,897 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse4 (= ~a23~0 |old(~a23~0)|)) (.cse5 (= ~a29~0 |old(~a29~0)|)) (.cse6 (= ~a4~0 |old(~a4~0)|))) (let ((.cse2 (not (= ~a8~0 15))) (.cse3 (not (= ~a3~0 1))) (.cse1 (and (= ~a25~0 |old(~a25~0)|) .cse4 .cse5 .cse6)) (.cse0 (not (= |old(~a4~0)| 1)))) (and (or .cse0 (not (<= 306 |old(~a23~0)|)) .cse1) (or (not (<= 180 |old(~a23~0)|)) (not (<= |old(~a23~0)| 262)) .cse2 .cse1 (not (<= |old(~a25~0)| 13)) (not (<= |old(~a4~0)| 1)) .cse3 (not (<= 99912 |old(~a29~0)|))) (or .cse0 .cse1 (not (<= |old(~a29~0)| 240))) (or .cse0 (not (<= |old(~a25~0)| 11)) .cse1) (or .cse0 .cse2 (not (<= (+ |old(~a23~0)| 244) 0)) (not (= 13 |old(~a25~0)|)) (not (<= |old(~a29~0)| 245)) .cse1 .cse3) (or .cse1 (not (<= |old(~a4~0)| 0))) (or .cse0 (and .cse4 .cse5 (= ~a25~0 12) .cse6) (not (= 12 |old(~a25~0)|)))))) [2020-10-12 13:10:39,898 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,898 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-12 13:10:39,898 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-12 13:10:39,898 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-12 13:10:39,898 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,898 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,898 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,898 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,898 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,898 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,899 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-12 13:10:39,899 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-12 13:10:39,899 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-12 13:10:39,899 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,899 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,899 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,899 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,899 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,899 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,899 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,900 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,900 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-12 13:10:39,900 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-12 13:10:39,900 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-12 13:10:39,900 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,900 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,900 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,900 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,900 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,901 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,901 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,901 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,901 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,901 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,901 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,901 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-12 13:10:39,901 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-12 13:10:39,901 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-12 13:10:39,902 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-12 13:10:39,902 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-12 13:10:39,902 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,902 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,902 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,902 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,902 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,902 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,902 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,902 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-12 13:10:39,903 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-12 13:10:39,903 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-12 13:10:39,903 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,903 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,903 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,903 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-12 13:10:39,903 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-12 13:10:39,903 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,903 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,904 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,904 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,904 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,904 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-10-12 13:10:39,904 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-12 13:10:39,904 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-12 13:10:39,904 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,904 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,904 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-12 13:10:39,905 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-12 13:10:39,905 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,905 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,905 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,905 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,905 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,905 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,905 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-12 13:10:39,905 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-12 13:10:39,906 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-12 13:10:39,906 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-12 13:10:39,906 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,906 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,906 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,906 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,906 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,906 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,906 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,906 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,907 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-12 13:10:39,907 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-12 13:10:39,907 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-12 13:10:39,907 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-12 13:10:39,907 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-12 13:10:39,907 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-12 13:10:39,907 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,907 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,907 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,907 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,908 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,908 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,908 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,908 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-12 13:10:39,908 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-12 13:10:39,908 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,908 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,908 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,908 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,909 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,909 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,909 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,909 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-12 13:10:39,909 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-12 13:10:39,909 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,909 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,909 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,909 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,909 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,910 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,910 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,910 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-12 13:10:39,910 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,910 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,910 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,910 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-12 13:10:39,910 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-12 13:10:39,910 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-12 13:10:39,910 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,911 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-12 13:10:39,911 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,911 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-12 13:10:39,911 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,911 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,911 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,911 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,911 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,911 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,912 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-12 13:10:39,912 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-12 13:10:39,912 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-12 13:10:39,912 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,912 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,912 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,912 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,912 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,912 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,913 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,913 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,913 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,913 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,913 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-12 13:10:39,913 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-12 13:10:39,913 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-12 13:10:39,913 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,914 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-12 13:10:39,914 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-12 13:10:39,914 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,914 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,914 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,914 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,914 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,914 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,914 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-12 13:10:39,915 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-12 13:10:39,915 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-12 13:10:39,915 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,915 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,915 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,915 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,915 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-12 13:10:39,915 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-12 13:10:39,915 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,916 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,916 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-12 13:10:39,916 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,916 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,916 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:10:39,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:10:39,916 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 10 ~a25~0) (<= ~a29~0 130) (= ~a4~0 1) (= ~a23~0 312)) [2020-10-12 13:10:39,916 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 13:10:39,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:10:39,917 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (not (= 312 |old(~a23~0)|)) (and (<= ~a25~0 10) (<= 10 ~a25~0) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a23~0 312)) (not (<= |old(~a29~0)| 130))) [2020-10-12 13:10:39,917 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-12 13:10:39,917 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= ~a8~0 15)) (.cse2 (= ~a3~0 1)) (.cse1 (= ~a4~0 1))) (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (<= ~a4~0 0) (not (= 312 |old(~a23~0)|)) (and (<= (+ ~a23~0 244) 0) (= ~a25~0 13) .cse0 (<= ~a29~0 245) .cse1 .cse2) (and (= ~a25~0 12) .cse1) (and (<= ~a25~0 13) (<= 180 ~a23~0) (<= 99912 ~a29~0) .cse0 (<= ~a23~0 262) (<= ~a4~0 1) .cse2) (and (<= ~a29~0 240) .cse1) (not (<= |old(~a29~0)| 130)) (and (<= ~a25~0 11) .cse1) (and (<= 306 ~a23~0) .cse1))) [2020-10-12 13:10:39,917 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-12 13:10:39,917 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-12 13:10:39,917 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= ~a8~0 15)) (.cse2 (= ~a3~0 1)) (.cse1 (= ~a4~0 1))) (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (<= ~a4~0 0) (not (= 312 |old(~a23~0)|)) (and (<= (+ ~a23~0 244) 0) (= ~a25~0 13) .cse0 (<= ~a29~0 245) .cse1 .cse2) (and (= ~a25~0 12) .cse1) (and (<= ~a25~0 13) (<= 180 ~a23~0) (<= 99912 ~a29~0) .cse0 (<= ~a23~0 262) (<= ~a4~0 1) .cse2) (and (<= ~a29~0 240) .cse1) (not (<= |old(~a29~0)| 130)) (and (<= ~a25~0 11) .cse1) (and (<= 306 ~a23~0) .cse1))) [2020-10-12 13:10:39,918 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-12 13:10:39,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:10:39 BoogieIcfgContainer [2020-10-12 13:10:39,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:10:39,942 INFO L168 Benchmark]: Toolchain (without parser) took 71584.54 ms. Allocated memory was 141.6 MB in the beginning and 1.1 GB in the end (delta: 921.7 MB). Free memory was 101.9 MB in the beginning and 317.0 MB in the end (delta: -215.1 MB). Peak memory consumption was 706.6 MB. Max. memory is 7.1 GB. [2020-10-12 13:10:39,943 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 13:10:39,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 964.83 ms. Allocated memory was 141.6 MB in the beginning and 211.8 MB in the end (delta: 70.3 MB). Free memory was 101.5 MB in the beginning and 165.7 MB in the end (delta: -64.3 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2020-10-12 13:10:39,944 INFO L168 Benchmark]: Boogie Preprocessor took 166.87 ms. Allocated memory is still 211.8 MB. Free memory was 165.7 MB in the beginning and 157.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2020-10-12 13:10:39,945 INFO L168 Benchmark]: RCFGBuilder took 1823.89 ms. Allocated memory was 211.8 MB in the beginning and 241.2 MB in the end (delta: 29.4 MB). Free memory was 157.8 MB in the beginning and 97.8 MB in the end (delta: 60.1 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2020-10-12 13:10:39,946 INFO L168 Benchmark]: TraceAbstraction took 68620.07 ms. Allocated memory was 241.2 MB in the beginning and 1.1 GB in the end (delta: 822.1 MB). Free memory was 96.4 MB in the beginning and 317.0 MB in the end (delta: -220.6 MB). Peak memory consumption was 601.4 MB. Max. memory is 7.1 GB. [2020-10-12 13:10:39,949 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 964.83 ms. Allocated memory was 141.6 MB in the beginning and 211.8 MB in the end (delta: 70.3 MB). Free memory was 101.5 MB in the beginning and 165.7 MB in the end (delta: -64.3 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 166.87 ms. Allocated memory is still 211.8 MB. Free memory was 165.7 MB in the beginning and 157.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1823.89 ms. Allocated memory was 211.8 MB in the beginning and 241.2 MB in the end (delta: 29.4 MB). Free memory was 157.8 MB in the beginning and 97.8 MB in the end (delta: 60.1 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 68620.07 ms. Allocated memory was 241.2 MB in the beginning and 1.1 GB in the end (delta: 822.1 MB). Free memory was 96.4 MB in the beginning and 317.0 MB in the end (delta: -220.6 MB). Peak memory consumption was 601.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 108]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((((((!(10 <= \old(a25)) || !(\old(a4) == 1)) || !(\old(a25) <= 10)) || a4 <= 0) || !(312 == \old(a23))) || (((((a23 + 244 <= 0 && a25 == 13) && a8 == 15) && a29 <= 245) && a4 == 1) && a3 == 1)) || (a25 == 12 && a4 == 1)) || ((((((a25 <= 13 && 180 <= a23) && 99912 <= a29) && a8 == 15) && a23 <= 262) && a4 <= 1) && a3 == 1)) || (a29 <= 240 && a4 == 1)) || !(\old(a29) <= 130)) || (a25 <= 11 && a4 == 1)) || (306 <= a23 && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 65.0s, OverallIterations: 15, TraceHistogramMax: 4, AutomataDifference: 36.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 657 SDtfs, 9216 SDslu, 1076 SDs, 0 SdLazy, 17391 SolverSat, 2106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 101 SyntacticMatches, 4 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9362occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 2264 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 359 PreInvPairs, 473 NumberOfFragments, 470 HoareAnnotationTreeSize, 359 FomulaSimplifications, 1186296 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5241 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 24.3s InterpolantComputationTime, 3195 NumberOfCodeBlocks, 3195 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3180 ConstructedInterpolants, 0 QuantifiedInterpolants, 1886732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 1793/1877 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...