/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/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:06:11,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:06:11,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:06:11,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:06:11,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:06:11,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:06:11,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:06:11,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:06:11,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:06:11,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:06:11,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:06:11,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:06:11,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:06:11,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:06:11,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:06:11,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:06:11,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:06:11,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:06:11,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:06:11,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:06:11,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:06:11,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:06:11,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:06:11,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:06:11,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:06:11,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:06:11,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:06:11,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:06:11,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:06:11,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:06:11,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:06:11,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:06:11,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:06:11,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:06:11,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:06:11,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:06:11,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:06:11,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:06:11,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:06:11,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:06:11,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:06:11,175 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 13:06:11,222 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:06:11,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:06:11,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:06:11,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:06:11,226 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:06:11,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:06:11,226 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:06:11,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:06:11,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:06:11,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:06:11,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:06:11,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:06:11,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:06:11,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:06:11,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:06:11,230 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:06:11,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:06:11,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:06:11,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:06:11,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:06:11,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:06:11,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:06:11,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:06:11,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:06:11,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:06:11,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:06:11,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:06:11,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:06:11,233 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:06:11,233 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 13:06:11,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:06:11,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:06:11,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:06:11,570 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:06:11,570 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:06:11,571 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-10-12 13:06:11,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/478baea24/af2aca70d91142c3a59a0e9c522d936b/FLAG1cac62631 [2020-10-12 13:06:12,226 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:06:12,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-10-12 13:06:12,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/478baea24/af2aca70d91142c3a59a0e9c522d936b/FLAG1cac62631 [2020-10-12 13:06:12,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/478baea24/af2aca70d91142c3a59a0e9c522d936b [2020-10-12 13:06:12,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:06:12,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:06:12,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:06:12,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:06:12,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:06:12,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:06:12" (1/1) ... [2020-10-12 13:06:12,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebb600b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:12, skipping insertion in model container [2020-10-12 13:06:12,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:06:12" (1/1) ... [2020-10-12 13:06:12,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:06:12,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:06:13,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:06:13,223 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:06:13,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:06:13,375 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:06:13,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:13 WrapperNode [2020-10-12 13:06:13,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:06:13,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:06:13,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:06:13,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:06:13,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:13" (1/1) ... [2020-10-12 13:06:13,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:13" (1/1) ... [2020-10-12 13:06:13,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:13" (1/1) ... [2020-10-12 13:06:13,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:13" (1/1) ... [2020-10-12 13:06:13,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:13" (1/1) ... [2020-10-12 13:06:13,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:13" (1/1) ... [2020-10-12 13:06:13,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:13" (1/1) ... [2020-10-12 13:06:13,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:06:13,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:06:13,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:06:13,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:06:13,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:13" (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 13:06:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:06:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:06:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:06:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:06:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:06:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:06:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:06:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:06:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:06:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:06:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:06:14,893 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:06:14,893 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:06:14,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:06:14 BoogieIcfgContainer [2020-10-12 13:06:14,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:06:14,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:06:14,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:06:14,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:06:14,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:06:12" (1/3) ... [2020-10-12 13:06:14,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a625d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:06:14, skipping insertion in model container [2020-10-12 13:06:14,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:06:13" (2/3) ... [2020-10-12 13:06:14,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a625d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:06:14, skipping insertion in model container [2020-10-12 13:06:14,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:06:14" (3/3) ... [2020-10-12 13:06:14,928 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-10-12 13:06:14,942 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:06:14,954 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:06:14,973 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:06:15,009 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:06:15,010 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:06:15,010 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:06:15,010 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:06:15,010 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:06:15,010 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:06:15,010 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:06:15,011 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:06:15,037 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-12 13:06:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 13:06:15,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:15,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:15,053 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:15,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:15,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1136502142, now seen corresponding path program 1 times [2020-10-12 13:06:15,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:15,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432797458] [2020-10-12 13:06:15,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:15,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:15,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:15,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 13:06:15,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:15,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-10-12 13:06:15,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:15,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:15,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:15,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 13:06:15,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:06:15,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:15,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:15,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:15,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:15,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:15,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 13:06:15,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:15,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:15,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:15,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:15,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:15,839 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 13:06:15,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432797458] [2020-10-12 13:06:15,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:06:15,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:06:15,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078253064] [2020-10-12 13:06:15,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:06:15,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:15,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:06:15,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:06:15,868 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-12 13:06:17,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:17,372 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-12 13:06:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:17,374 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-12 13:06:17,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:17,390 INFO L225 Difference]: With dead ends: 581 [2020-10-12 13:06:17,390 INFO L226 Difference]: Without dead ends: 302 [2020-10-12 13:06:17,399 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 13:06:17,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-12 13:06:17,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-12 13:06:17,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-12 13:06:17,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-12 13:06:17,487 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 41 [2020-10-12 13:06:17,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:17,488 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-12 13:06:17,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:06:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-12 13:06:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-12 13:06:17,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:17,497 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:17,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:06:17,498 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:17,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:17,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1231039110, now seen corresponding path program 1 times [2020-10-12 13:06:17,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:17,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797091653] [2020-10-12 13:06:17,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:17,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:17,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:18,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:18,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 13:06:18,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:18,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 712 [2020-10-12 13:06:18,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:18,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 13:06:18,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:18,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 13:06:18,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:18,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:18,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:18,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:18,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:18,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:18,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:06:18,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:18,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:18,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:18,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:18,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:18,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:18,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:18,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:18,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:18,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:06:18,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:18,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-12 13:06:18,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:18,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:18,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:18,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 13:06:18,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 13:06:18,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797091653] [2020-10-12 13:06:18,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:18,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:18,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743965760] [2020-10-12 13:06:18,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:06:18,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:18,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:06:18,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:06:18,687 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 6 states. [2020-10-12 13:06:19,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:19,827 INFO L93 Difference]: Finished difference Result 888 states and 1202 transitions. [2020-10-12 13:06:19,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 13:06:19,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2020-10-12 13:06:19,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:19,837 INFO L225 Difference]: With dead ends: 888 [2020-10-12 13:06:19,837 INFO L226 Difference]: Without dead ends: 596 [2020-10-12 13:06:19,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:19,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-10-12 13:06:19,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 590. [2020-10-12 13:06:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-12 13:06:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 759 transitions. [2020-10-12 13:06:19,878 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 759 transitions. Word has length 111 [2020-10-12 13:06:19,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:19,879 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 759 transitions. [2020-10-12 13:06:19,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:06:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 759 transitions. [2020-10-12 13:06:19,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-12 13:06:19,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:19,883 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:19,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:06:19,883 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:19,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:19,884 INFO L82 PathProgramCache]: Analyzing trace with hash -430353343, now seen corresponding path program 1 times [2020-10-12 13:06:19,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:19,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729701290] [2020-10-12 13:06:19,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:19,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:19,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:20,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:20,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-12 13:06:20,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 544 [2020-10-12 13:06:20,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:06:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 13:06:20,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:20,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:20,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:20,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:20,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:20,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:20,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:20,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:20,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:20,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:20,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:20,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:06:20,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 13:06:20,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:20,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:06:20,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729701290] [2020-10-12 13:06:20,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:20,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:20,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999991853] [2020-10-12 13:06:20,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:06:20,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:20,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:06:20,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:06:20,691 INFO L87 Difference]: Start difference. First operand 590 states and 759 transitions. Second operand 5 states. [2020-10-12 13:06:22,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:22,060 INFO L93 Difference]: Finished difference Result 1615 states and 2133 transitions. [2020-10-12 13:06:22,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:22,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-12 13:06:22,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:22,070 INFO L225 Difference]: With dead ends: 1615 [2020-10-12 13:06:22,070 INFO L226 Difference]: Without dead ends: 1031 [2020-10-12 13:06:22,072 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 13:06:22,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2020-10-12 13:06:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 1027. [2020-10-12 13:06:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1027 states. [2020-10-12 13:06:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1286 transitions. [2020-10-12 13:06:22,113 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1286 transitions. Word has length 120 [2020-10-12 13:06:22,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:22,114 INFO L479 AbstractCegarLoop]: Abstraction has 1027 states and 1286 transitions. [2020-10-12 13:06:22,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:06:22,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1286 transitions. [2020-10-12 13:06:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-12 13:06:22,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:22,121 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:06:22,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:06:22,121 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:22,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:22,122 INFO L82 PathProgramCache]: Analyzing trace with hash 151965018, now seen corresponding path program 1 times [2020-10-12 13:06:22,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:22,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398999413] [2020-10-12 13:06:22,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:22,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:22,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:22,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:22,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:22,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 13:06:22,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:22,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 748 [2020-10-12 13:06:22,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:06:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 13:06:22,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:22,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:22,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:22,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:22,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:22,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:22,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:22,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:22,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:23,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:23,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:23,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:23,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:06:23,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 13:06:23,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:06:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:23,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:06:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:23,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:23,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:23,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:23,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:06:23,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-12 13:06:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:06:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 99 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:06:23,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398999413] [2020-10-12 13:06:23,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:23,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:06:23,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977991562] [2020-10-12 13:06:23,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:06:23,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:23,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:06:23,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:06:23,349 INFO L87 Difference]: Start difference. First operand 1027 states and 1286 transitions. Second operand 8 states. [2020-10-12 13:06:25,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:25,634 INFO L93 Difference]: Finished difference Result 2672 states and 3493 transitions. [2020-10-12 13:06:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 13:06:25,635 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2020-10-12 13:06:25,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:25,646 INFO L225 Difference]: With dead ends: 2672 [2020-10-12 13:06:25,647 INFO L226 Difference]: Without dead ends: 1651 [2020-10-12 13:06:25,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-12 13:06:25,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2020-10-12 13:06:25,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1635. [2020-10-12 13:06:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2020-10-12 13:06:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2048 transitions. [2020-10-12 13:06:25,758 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2048 transitions. Word has length 183 [2020-10-12 13:06:25,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:25,760 INFO L479 AbstractCegarLoop]: Abstraction has 1635 states and 2048 transitions. [2020-10-12 13:06:25,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:06:25,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2048 transitions. [2020-10-12 13:06:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-12 13:06:25,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:25,769 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:06:25,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:06:25,770 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:25,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:25,770 INFO L82 PathProgramCache]: Analyzing trace with hash -425157170, now seen corresponding path program 1 times [2020-10-12 13:06:25,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:25,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [799248514] [2020-10-12 13:06:25,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:25,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:25,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:26,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:26,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:26,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 13:06:26,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:26,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 945 [2020-10-12 13:06:26,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:26,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:26,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-12 13:06:26,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 13:06:26,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:26,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:26,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:26,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:26,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:26,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:26,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:06:26,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:26,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:26,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:26,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:26,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:26,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:06:26,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 13:06:26,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:26,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:06:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:26,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:27,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:27,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 13:06:27,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:27,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-12 13:06:27,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:27,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 13:06:27,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-12 13:06:27,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [799248514] [2020-10-12 13:06:27,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:27,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:27,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689554400] [2020-10-12 13:06:27,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:06:27,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:27,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:06:27,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:06:27,184 INFO L87 Difference]: Start difference. First operand 1635 states and 2048 transitions. Second operand 5 states. [2020-10-12 13:06:28,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:28,130 INFO L93 Difference]: Finished difference Result 3286 states and 4147 transitions. [2020-10-12 13:06:28,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:28,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 193 [2020-10-12 13:06:28,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:28,142 INFO L225 Difference]: With dead ends: 3286 [2020-10-12 13:06:28,142 INFO L226 Difference]: Without dead ends: 1641 [2020-10-12 13:06:28,147 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 13:06:28,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2020-10-12 13:06:28,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1635. [2020-10-12 13:06:28,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2020-10-12 13:06:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2033 transitions. [2020-10-12 13:06:28,205 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2033 transitions. Word has length 193 [2020-10-12 13:06:28,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:28,206 INFO L479 AbstractCegarLoop]: Abstraction has 1635 states and 2033 transitions. [2020-10-12 13:06:28,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:06:28,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2033 transitions. [2020-10-12 13:06:28,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-12 13:06:28,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:28,210 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:28,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:06:28,211 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:28,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:28,212 INFO L82 PathProgramCache]: Analyzing trace with hash 371389770, now seen corresponding path program 1 times [2020-10-12 13:06:28,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:28,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996804544] [2020-10-12 13:06:28,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:28,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:28,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:28,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:29,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:29,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-12 13:06:29,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:06:29,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 964 [2020-10-12 13:06:29,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-12 13:06:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 13:06:29,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:29,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:29,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:29,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:29,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:29,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:29,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:06:29,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:29,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:29,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:29,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:29,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:29,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:06:29,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:29,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 13:06:29,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:29,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:29,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:29,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:29,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:06:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:29,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:29,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:29,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-12 13:06:29,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:29,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 13:06:29,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:29,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 13:06:29,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-12 13:06:29,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996804544] [2020-10-12 13:06:29,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:29,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:29,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923117682] [2020-10-12 13:06:29,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:06:29,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:29,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:06:29,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:06:29,476 INFO L87 Difference]: Start difference. First operand 1635 states and 2033 transitions. Second operand 5 states. [2020-10-12 13:06:30,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:30,819 INFO L93 Difference]: Finished difference Result 3701 states and 4696 transitions. [2020-10-12 13:06:30,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:30,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2020-10-12 13:06:30,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:30,832 INFO L225 Difference]: With dead ends: 3701 [2020-10-12 13:06:30,832 INFO L226 Difference]: Without dead ends: 2072 [2020-10-12 13:06:30,837 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 13:06:30,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2020-10-12 13:06:30,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 2066. [2020-10-12 13:06:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2066 states. [2020-10-12 13:06:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2532 transitions. [2020-10-12 13:06:30,899 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2532 transitions. Word has length 205 [2020-10-12 13:06:30,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:30,899 INFO L479 AbstractCegarLoop]: Abstraction has 2066 states and 2532 transitions. [2020-10-12 13:06:30,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:06:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2532 transitions. [2020-10-12 13:06:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-12 13:06:30,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:30,908 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:06:30,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:06:30,909 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:30,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:30,909 INFO L82 PathProgramCache]: Analyzing trace with hash 963660497, now seen corresponding path program 1 times [2020-10-12 13:06:30,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:30,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458113645] [2020-10-12 13:06:30,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:30,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:31,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:31,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:32,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:33,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:35,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:35,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-12 13:06:35,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:06:35,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4555 [2020-10-12 13:06:35,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:06:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-12 13:06:35,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:35,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:35,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:35,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:35,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:35,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 13:06:35,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:06:35,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:35,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:35,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:35,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:35,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 13:06:35,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:35,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-12 13:06:35,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-12 13:06:35,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:35,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 13:06:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:35,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:36,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:36,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 13:06:36,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:36,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 13:06:36,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:36,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:36,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-12 13:06:36,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:36,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 68 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:06:36,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458113645] [2020-10-12 13:06:36,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:36,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:06:36,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805507541] [2020-10-12 13:06:36,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:36,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:36,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:36,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:36,324 INFO L87 Difference]: Start difference. First operand 2066 states and 2532 transitions. Second operand 7 states. [2020-10-12 13:06:37,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:37,748 INFO L93 Difference]: Finished difference Result 4299 states and 5275 transitions. [2020-10-12 13:06:37,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:06:37,752 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 280 [2020-10-12 13:06:37,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:37,765 INFO L225 Difference]: With dead ends: 4299 [2020-10-12 13:06:37,765 INFO L226 Difference]: Without dead ends: 2239 [2020-10-12 13:06:37,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:06:37,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2020-10-12 13:06:37,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 1939. [2020-10-12 13:06:37,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2020-10-12 13:06:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2363 transitions. [2020-10-12 13:06:37,836 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2363 transitions. Word has length 280 [2020-10-12 13:06:37,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:37,836 INFO L479 AbstractCegarLoop]: Abstraction has 1939 states and 2363 transitions. [2020-10-12 13:06:37,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2363 transitions. [2020-10-12 13:06:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-12 13:06:37,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:37,847 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:37,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:06:37,848 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:37,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:37,848 INFO L82 PathProgramCache]: Analyzing trace with hash -173241490, now seen corresponding path program 1 times [2020-10-12 13:06:37,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:37,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613967481] [2020-10-12 13:06:37,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:37,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:38,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:38,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:38,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:39,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:40,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:42,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:42,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-10-12 13:06:42,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 13:06:42,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-12 13:06:42,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:06:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:06:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-12 13:06:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:43,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:43,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:43,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:43,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:06:43,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:43,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:43,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:43,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:06:43,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:43,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-12 13:06:43,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:43,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:43,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:06:43,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:06:43,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 13:06:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:43,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:43,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-12 13:06:43,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:43,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-12 13:06:43,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:43,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:43,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:43,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-12 13:06:43,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:43,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 13:06:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:43,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:43,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:43,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 13:06:43,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:43,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-12 13:06:43,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-12 13:06:43,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:06:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 254 proven. 84 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 13:06:44,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613967481] [2020-10-12 13:06:44,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:44,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:06:44,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973251562] [2020-10-12 13:06:44,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:06:44,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:44,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:06:44,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:06:44,196 INFO L87 Difference]: Start difference. First operand 1939 states and 2363 transitions. Second operand 8 states. [2020-10-12 13:06:46,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:46,010 INFO L93 Difference]: Finished difference Result 3755 states and 4629 transitions. [2020-10-12 13:06:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 13:06:46,013 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 327 [2020-10-12 13:06:46,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:46,024 INFO L225 Difference]: With dead ends: 3755 [2020-10-12 13:06:46,024 INFO L226 Difference]: Without dead ends: 1965 [2020-10-12 13:06:46,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-10-12 13:06:46,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2020-10-12 13:06:46,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1935. [2020-10-12 13:06:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1935 states. [2020-10-12 13:06:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1935 states and 2202 transitions. [2020-10-12 13:06:46,086 INFO L78 Accepts]: Start accepts. Automaton has 1935 states and 2202 transitions. Word has length 327 [2020-10-12 13:06:46,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:46,087 INFO L479 AbstractCegarLoop]: Abstraction has 1935 states and 2202 transitions. [2020-10-12 13:06:46,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:06:46,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2202 transitions. [2020-10-12 13:06:46,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-12 13:06:46,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:46,102 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:06:46,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:06:46,103 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:46,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:46,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1097228978, now seen corresponding path program 1 times [2020-10-12 13:06:46,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:46,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255738276] [2020-10-12 13:06:46,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:46,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:46,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:46,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:47,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:47,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:47,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-10-12 13:06:47,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:06:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1640 [2020-10-12 13:06:47,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194 [2020-10-12 13:06:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:06:47,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:47,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:47,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:47,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:47,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:47,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:47,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:06:47,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:47,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:47,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:47,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:47,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:47,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:06:47,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:47,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 13:06:47,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:47,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:47,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:47,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:47,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:06:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:48,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:48,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:48,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 13:06:48,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-12 13:06:48,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:48,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:48,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:48,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-12 13:06:48,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:48,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 13:06:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:48,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:48,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:48,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 13:06:48,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-12 13:06:48,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:06:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-12 13:06:48,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 283 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-12 13:06:48,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255738276] [2020-10-12 13:06:48,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:48,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:06:48,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539164097] [2020-10-12 13:06:48,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:06:48,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:48,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:06:48,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:06:48,552 INFO L87 Difference]: Start difference. First operand 1935 states and 2202 transitions. Second operand 7 states. [2020-10-12 13:06:50,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:50,033 INFO L93 Difference]: Finished difference Result 4055 states and 4688 transitions. [2020-10-12 13:06:50,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:06:50,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 345 [2020-10-12 13:06:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:50,041 INFO L225 Difference]: With dead ends: 4055 [2020-10-12 13:06:50,042 INFO L226 Difference]: Without dead ends: 1669 [2020-10-12 13:06:50,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:06:50,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2020-10-12 13:06:50,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1635. [2020-10-12 13:06:50,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2020-10-12 13:06:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1758 transitions. [2020-10-12 13:06:50,094 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1758 transitions. Word has length 345 [2020-10-12 13:06:50,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:50,095 INFO L479 AbstractCegarLoop]: Abstraction has 1635 states and 1758 transitions. [2020-10-12 13:06:50,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:06:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1758 transitions. [2020-10-12 13:06:50,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-12 13:06:50,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:06:50,104 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 13:06:50,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:06:50,104 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:06:50,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:06:50,105 INFO L82 PathProgramCache]: Analyzing trace with hash -832266862, now seen corresponding path program 1 times [2020-10-12 13:06:50,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:06:50,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559762856] [2020-10-12 13:06:50,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:06:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:50,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:50,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 395 [2020-10-12 13:06:50,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:06:50,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 575 [2020-10-12 13:06:50,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:06:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-12 13:06:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 13:06:50,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:50,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:06:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:50,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:50,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:06:50,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:50,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:06:50,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:50,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:50,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:50,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:50,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:06:50,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:06:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:50,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:50,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:50,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-12 13:06:50,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:50,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 13:06:50,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:50,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:50,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:50,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:50,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:51,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 13:06:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:51,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:51,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:51,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 13:06:51,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:51,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 13:06:51,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:51,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:06:51,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:51,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:06:51,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:51,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-12 13:06:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:06:51,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:06:51,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:06:51,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 13:06:51,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:06:51,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 13:06:51,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:06:51,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:06:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:06:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:06:51,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:06:51,374 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2020-10-12 13:06:51,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559762856] [2020-10-12 13:06:51,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:06:51,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:06:51,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571607368] [2020-10-12 13:06:51,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:06:51,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:06:51,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:06:51,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:06:51,377 INFO L87 Difference]: Start difference. First operand 1635 states and 1758 transitions. Second operand 5 states. [2020-10-12 13:06:52,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:06:52,169 INFO L93 Difference]: Finished difference Result 1655 states and 1779 transitions. [2020-10-12 13:06:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:06:52,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 381 [2020-10-12 13:06:52,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:06:52,171 INFO L225 Difference]: With dead ends: 1655 [2020-10-12 13:06:52,171 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 13:06:52,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 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 13:06:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 13:06:52,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 13:06:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 13:06:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 13:06:52,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 381 [2020-10-12 13:06:52,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:06:52,177 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 13:06:52,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:06:52,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 13:06:52,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 13:06:52,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:06:52,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 13:06:52,462 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2020-10-12 13:06:52,585 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2020-10-12 13:06:53,145 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 51 [2020-10-12 13:06:53,375 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 43 [2020-10-12 13:06:53,591 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 43 [2020-10-12 13:06:53,596 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:06:53,596 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-12 13:06:53,596 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:06:53,597 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-12 13:06:53,597 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,597 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,597 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,597 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,597 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,597 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,598 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-12 13:06:53,598 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-12 13:06:53,598 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-12 13:06:53,598 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-12 13:06:53,598 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-12 13:06:53,598 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-12 13:06:53,598 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-12 13:06:53,598 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-12 13:06:53,599 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-12 13:06:53,599 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-12 13:06:53,599 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-12 13:06:53,599 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,599 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,599 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,599 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,599 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,600 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-12 13:06:53,600 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-12 13:06:53,600 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-12 13:06:53,600 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-12 13:06:53,600 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-12 13:06:53,600 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-12 13:06:53,600 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-12 13:06:53,600 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-12 13:06:53,601 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-12 13:06:53,601 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-12 13:06:53,601 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-12 13:06:53,601 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-12 13:06:53,601 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-12 13:06:53,601 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-10-12 13:06:53,602 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-12 13:06:53,602 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,602 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,602 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,602 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,602 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,602 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-12 13:06:53,602 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-12 13:06:53,603 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-12 13:06:53,603 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-12 13:06:53,603 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-12 13:06:53,603 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-12 13:06:53,603 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-12 13:06:53,603 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-12 13:06:53,603 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-12 13:06:53,604 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-12 13:06:53,604 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,604 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,604 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,604 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,604 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,604 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-12 13:06:53,605 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-12 13:06:53,605 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-12 13:06:53,605 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-12 13:06:53,605 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-12 13:06:53,605 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-12 13:06:53,605 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-12 13:06:53,605 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-12 13:06:53,605 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-12 13:06:53,605 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-12 13:06:53,606 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-12 13:06:53,606 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-12 13:06:53,606 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-12 13:06:53,606 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,606 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,606 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,606 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,607 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,607 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-12 13:06:53,607 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-12 13:06:53,607 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-12 13:06:53,607 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-12 13:06:53,607 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-12 13:06:53,607 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-12 13:06:53,608 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-12 13:06:53,608 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-12 13:06:53,608 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-12 13:06:53,608 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,608 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,608 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,608 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,608 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,609 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,609 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,609 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-12 13:06:53,609 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-12 13:06:53,609 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-12 13:06:53,609 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-12 13:06:53,609 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-12 13:06:53,609 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-12 13:06:53,610 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-12 13:06:53,610 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-12 13:06:53,610 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-12 13:06:53,610 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-12 13:06:53,610 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-12 13:06:53,610 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-12 13:06:53,610 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-12 13:06:53,610 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,611 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,611 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,611 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,611 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-12 13:06:53,611 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,611 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,611 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-12 13:06:53,611 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-12 13:06:53,612 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-12 13:06:53,612 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-12 13:06:53,612 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-12 13:06:53,612 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-12 13:06:53,612 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-12 13:06:53,612 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-12 13:06:53,612 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-12 13:06:53,612 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-12 13:06:53,613 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-12 13:06:53,613 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-12 13:06:53,613 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-12 13:06:53,613 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,613 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,613 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,613 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,613 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,613 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,614 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-12 13:06:53,614 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-12 13:06:53,614 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-12 13:06:53,614 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-12 13:06:53,614 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-12 13:06:53,614 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-12 13:06:53,614 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-12 13:06:53,614 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-12 13:06:53,614 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-12 13:06:53,614 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-12 13:06:53,615 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-12 13:06:53,615 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 7))) (.cse1 (not (<= 7 |old(~a19~0)|))) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= ~a12~0 0))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 .cse1 (not (<= 221 |old(~a1~0)|)) .cse2 .cse3 .cse4) (or .cse2 (= |old(~a10~0)| 1)) (or (not (<= 10 |old(~a19~0)|)) .cse2) (or (not (= 9 |old(~a19~0)|)) .cse2) (or .cse0 .cse1 .cse2 .cse3 (not (<= |old(~a1~0)| 33)) (not (<= 0 (+ |old(~a1~0)| 12))) .cse4) (or (not (<= 331498 |old(~a1~0)|)) .cse2))) [2020-10-12 13:06:53,615 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-12 13:06:53,615 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-12 13:06:53,615 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-12 13:06:53,615 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,615 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,616 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,616 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,616 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,616 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,616 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-12 13:06:53,616 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-12 13:06:53,616 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-12 13:06:53,616 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-12 13:06:53,617 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-12 13:06:53,617 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-12 13:06:53,617 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-12 13:06:53,617 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-12 13:06:53,617 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-12 13:06:53,617 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-12 13:06:53,617 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-12 13:06:53,617 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-12 13:06:53,617 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-12 13:06:53,617 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,618 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,618 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,618 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,618 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,618 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,618 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-12 13:06:53,618 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-12 13:06:53,618 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-12 13:06:53,618 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-12 13:06:53,619 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-12 13:06:53,619 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-12 13:06:53,619 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-12 13:06:53,619 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-12 13:06:53,619 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-12 13:06:53,619 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-12 13:06:53,619 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-12 13:06:53,619 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-12 13:06:53,619 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,619 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,620 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,620 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,620 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,620 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:06:53,620 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-12 13:06:53,620 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-12 13:06:53,620 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-12 13:06:53,620 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-12 13:06:53,620 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-12 13:06:53,621 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-12 13:06:53,621 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-12 13:06:53,621 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-12 13:06:53,621 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-12 13:06:53,621 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-12 13:06:53,621 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-12 13:06:53,621 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-12 13:06:53,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:06:53,621 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-12 13:06:53,622 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 13:06:53,622 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:06:53,622 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23))) [2020-10-12 13:06:53,622 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:06:53,622 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 7)) (.cse1 (= 14 ~a4~0)) (.cse2 (<= 7 ~a19~0)) (.cse3 (= ~a12~0 0))) (or (not (<= 23 |old(~a1~0)|)) (<= 331498 ~a1~0) (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 (<= 221 ~a1~0)) (not (= 9 |old(~a19~0)|)) (<= 10 ~a19~0) (not (<= |old(~a1~0)| 23)) (= ~a19~0 9) (and (<= 0 (+ ~a1~0 12)) .cse0 .cse1 .cse2 (<= ~a1~0 33) .cse3) (<= 2 ~a10~0))) [2020-10-12 13:06:53,622 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-12 13:06:53,623 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-12 13:06:53,623 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 7)) (.cse1 (= 14 ~a4~0)) (.cse2 (<= 7 ~a19~0)) (.cse3 (= ~a12~0 0))) (or (not (<= 23 |old(~a1~0)|)) (<= 331498 ~a1~0) (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 (<= 221 ~a1~0)) (not (= 9 |old(~a19~0)|)) (<= 10 ~a19~0) (not (<= |old(~a1~0)| 23)) (= ~a19~0 9) (and (<= 0 (+ ~a1~0 12)) .cse0 .cse1 .cse2 (<= ~a1~0 33) .cse3) (<= 2 ~a10~0))) [2020-10-12 13:06:53,623 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:06:53,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:06:53 BoogieIcfgContainer [2020-10-12 13:06:53,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:06:53,647 INFO L168 Benchmark]: Toolchain (without parser) took 41018.09 ms. Allocated memory was 139.5 MB in the beginning and 853.0 MB in the end (delta: 713.6 MB). Free memory was 101.5 MB in the beginning and 179.7 MB in the end (delta: -78.2 MB). Peak memory consumption was 635.3 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:53,648 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-12 13:06:53,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.45 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 168.8 MB in the end (delta: -67.6 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:53,649 INFO L168 Benchmark]: Boogie Preprocessor took 110.63 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 164.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:53,650 INFO L168 Benchmark]: RCFGBuilder took 1418.45 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.5 MB in the beginning and 179.4 MB in the end (delta: -14.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:53,651 INFO L168 Benchmark]: TraceAbstraction took 38735.50 ms. Allocated memory was 235.9 MB in the beginning and 853.0 MB in the end (delta: 617.1 MB). Free memory was 179.4 MB in the beginning and 179.7 MB in the end (delta: -333.8 kB). Peak memory consumption was 616.8 MB. Max. memory is 7.1 GB. [2020-10-12 13:06:53,654 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.45 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 168.8 MB in the end (delta: -67.6 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.63 ms. Allocated memory is still 202.9 MB. Free memory was 168.8 MB in the beginning and 164.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1418.45 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.5 MB in the beginning and 179.4 MB in the end (delta: -14.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38735.50 ms. Allocated memory was 235.9 MB in the beginning and 853.0 MB in the end (delta: 617.1 MB). Free memory was 179.4 MB in the beginning and 179.7 MB in the end (delta: -333.8 kB). Peak memory consumption was 616.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 <= \old(a1)) || 331498 <= a1) || a10 <= 0) || !(\old(a10) <= 0)) || ((((a19 <= 7 && 14 == a4) && 7 <= a19) && a12 == 0) && 221 <= a1)) || !(9 == \old(a19))) || 10 <= a19) || !(\old(a1) <= 23)) || a19 == 9) || (((((0 <= a1 + 12 && a19 <= 7) && 14 == a4) && 7 <= a19) && a1 <= 33) && a12 == 0)) || 2 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 269 SDtfs, 3292 SDslu, 289 SDs, 0 SdLazy, 8321 SolverSat, 1050 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2066occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 406 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 97 PreInvPairs, 129 NumberOfFragments, 341 HoareAnnotationTreeSize, 97 FomulaSimplifications, 16498 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2026 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 2186 NumberOfCodeBlocks, 2186 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2176 ConstructedInterpolants, 0 QuantifiedInterpolants, 1885285 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1520/1761 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...