/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:04:55,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:04:55,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:04:55,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:04:55,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:04:55,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:04:55,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:04:55,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:04:55,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:04:55,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:04:55,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:04:55,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:04:55,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:04:55,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:04:55,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:04:55,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:04:55,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:04:55,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:04:55,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:04:55,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:04:55,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:04:55,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:04:55,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:04:55,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:04:55,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:04:55,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:04:55,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:04:55,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:04:55,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:04:55,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:04:55,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:04:55,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:04:55,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:04:55,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:04:55,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:04:55,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:04:55,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:04:55,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:04:55,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:04:55,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:04:55,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:04:55,260 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 [2020-10-14 21:04:55,291 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:04:55,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:04:55,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:04:55,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:04:55,296 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:04:55,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:04:55,297 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:04:55,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:04:55,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:04:55,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:04:55,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:04:55,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:04:55,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:04:55,298 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:04:55,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:04:55,299 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:04:55,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:04:55,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:04:55,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:04:55,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:04:55,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:04:55,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:04:55,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:04:55,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:04:55,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:04:55,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:04:55,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:04:55,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:04:55,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:04:55,304 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:04:55,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:04:55,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:04:55,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:04:55,705 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:04:55,706 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:04:55,707 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label57.c [2020-10-14 21:04:55,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d55f9472c/6617b068088d404185ebc76d0afb1db8/FLAG56492bc9c [2020-10-14 21:04:56,398 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:04:56,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label57.c [2020-10-14 21:04:56,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d55f9472c/6617b068088d404185ebc76d0afb1db8/FLAG56492bc9c [2020-10-14 21:04:56,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d55f9472c/6617b068088d404185ebc76d0afb1db8 [2020-10-14 21:04:56,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:04:56,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:04:56,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:04:56,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:04:56,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:04:56,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:04:56" (1/1) ... [2020-10-14 21:04:56,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d9afb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:56, skipping insertion in model container [2020-10-14 21:04:56,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:04:56" (1/1) ... [2020-10-14 21:04:56,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:04:56,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:04:57,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:04:57,467 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:04:57,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:04:57,610 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:04:57,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57 WrapperNode [2020-10-14 21:04:57,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:04:57,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:04:57,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:04:57,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:04:57,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:57,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:57,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:57,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:57,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:57,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:57,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:57,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:04:57,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:04:57,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:04:57,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:04:57,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:04:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:04:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:04:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:04:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:04:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:04:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:04:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:04:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:04:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:04:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:04:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:04:59,897 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:04:59,897 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:04:59,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:04:59 BoogieIcfgContainer [2020-10-14 21:04:59,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:04:59,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:04:59,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:04:59,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:04:59,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:04:56" (1/3) ... [2020-10-14 21:04:59,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b49c025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:04:59, skipping insertion in model container [2020-10-14 21:04:59,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (2/3) ... [2020-10-14 21:04:59,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b49c025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:04:59, skipping insertion in model container [2020-10-14 21:04:59,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:04:59" (3/3) ... [2020-10-14 21:04:59,928 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label57.c [2020-10-14 21:04:59,939 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:04:59,954 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:04:59,967 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:04:59,995 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:04:59,996 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:04:59,996 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:04:59,996 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:04:59,996 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:04:59,997 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:04:59,997 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:04:59,997 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:05:00,024 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 21:05:00,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 21:05:00,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:00,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:05:00,036 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:00,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:00,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1960333147, now seen corresponding path program 1 times [2020-10-14 21:05:00,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:00,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011415282] [2020-10-14 21:05:00,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:00,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:00,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:00,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 21:05:00,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:00,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-14 21:05:00,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:00,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:05:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:05:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 21:05:00,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:05:00,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:00,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:00,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:00,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:00,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:05:00,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:00,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:05:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:05:00,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2011415282] [2020-10-14 21:05:00,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:05:00,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 21:05:00,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080826498] [2020-10-14 21:05:00,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:05:00,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:00,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:05:00,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:05:00,929 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 5 states. [2020-10-14 21:05:04,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:04,766 INFO L93 Difference]: Finished difference Result 992 states and 1777 transitions. [2020-10-14 21:05:04,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:05:04,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-14 21:05:04,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:04,790 INFO L225 Difference]: With dead ends: 992 [2020-10-14 21:05:04,791 INFO L226 Difference]: Without dead ends: 630 [2020-10-14 21:05:04,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:04,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-14 21:05:04,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 624. [2020-10-14 21:05:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-14 21:05:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 864 transitions. [2020-10-14 21:05:04,902 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 864 transitions. Word has length 52 [2020-10-14 21:05:04,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:04,903 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 864 transitions. [2020-10-14 21:05:04,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:05:04,903 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 864 transitions. [2020-10-14 21:05:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 21:05:04,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:04,909 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:05:04,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:05:04,910 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:04,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:04,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1313652698, now seen corresponding path program 1 times [2020-10-14 21:05:04,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:04,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259593788] [2020-10-14 21:05:04,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:04,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:05,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:05,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:06,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:06,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:05:06,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:05:06,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1392 [2020-10-14 21:05:06,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:06,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:05:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:05:06,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 21:05:06,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:05:06,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:06,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:06,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:06,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:06,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:06,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:05:06,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:06,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:05:06,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:06,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:06,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:06,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:06,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:05:06,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:06,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 21:05:06,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:06,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 21:05:06,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:05:06,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259593788] [2020-10-14 21:05:06,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:05:06,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:05:06,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206388928] [2020-10-14 21:05:06,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:06,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:06,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:06,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:06,730 INFO L87 Difference]: Start difference. First operand 624 states and 864 transitions. Second operand 7 states. [2020-10-14 21:05:09,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:09,456 INFO L93 Difference]: Finished difference Result 1864 states and 2611 transitions. [2020-10-14 21:05:09,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:05:09,457 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-10-14 21:05:09,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:09,472 INFO L225 Difference]: With dead ends: 1864 [2020-10-14 21:05:09,472 INFO L226 Difference]: Without dead ends: 1246 [2020-10-14 21:05:09,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:05:09,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2020-10-14 21:05:09,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 1216. [2020-10-14 21:05:09,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2020-10-14 21:05:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1586 transitions. [2020-10-14 21:05:09,561 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1586 transitions. Word has length 124 [2020-10-14 21:05:09,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:09,562 INFO L479 AbstractCegarLoop]: Abstraction has 1216 states and 1586 transitions. [2020-10-14 21:05:09,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1586 transitions. [2020-10-14 21:05:09,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 21:05:09,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:09,566 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:05:09,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:05:09,567 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:09,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:09,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1299020618, now seen corresponding path program 1 times [2020-10-14 21:05:09,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:09,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875393420] [2020-10-14 21:05:09,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:09,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:09,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:10,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:10,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:11,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:11,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 21:05:11,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:05:11,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1602 [2020-10-14 21:05:11,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:11,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:05:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:05:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 21:05:11,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:11,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:11,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:11,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:11,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:11,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:11,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:05:11,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:11,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:11,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:11,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:05:11,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:05:11,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:11,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:11,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:11,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:11,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:05:11,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:11,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-14 21:05:11,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:11,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:05:11,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 21:05:11,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875393420] [2020-10-14 21:05:11,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:11,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:05:11,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776239622] [2020-10-14 21:05:11,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:11,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:11,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:11,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:11,650 INFO L87 Difference]: Start difference. First operand 1216 states and 1586 transitions. Second operand 7 states. [2020-10-14 21:05:14,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:14,210 INFO L93 Difference]: Finished difference Result 2878 states and 3744 transitions. [2020-10-14 21:05:14,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:05:14,210 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-10-14 21:05:14,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:14,220 INFO L225 Difference]: With dead ends: 2878 [2020-10-14 21:05:14,220 INFO L226 Difference]: Without dead ends: 1668 [2020-10-14 21:05:14,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:05:14,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-10-14 21:05:14,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1620. [2020-10-14 21:05:14,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1620 states. [2020-10-14 21:05:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2040 transitions. [2020-10-14 21:05:14,279 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2040 transitions. Word has length 132 [2020-10-14 21:05:14,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:14,280 INFO L479 AbstractCegarLoop]: Abstraction has 1620 states and 2040 transitions. [2020-10-14 21:05:14,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2040 transitions. [2020-10-14 21:05:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-14 21:05:14,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:14,283 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:05:14,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:05:14,284 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:14,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:14,284 INFO L82 PathProgramCache]: Analyzing trace with hash 446802020, now seen corresponding path program 1 times [2020-10-14 21:05:14,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:14,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156939870] [2020-10-14 21:05:14,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:14,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:14,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:14,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 21:05:14,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:14,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-10-14 21:05:14,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:14,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:14,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:14,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:05:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-14 21:05:14,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 21:05:14,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:14,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:14,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:14,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:14,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:14,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:05:14,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:14,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:14,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:14,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:14,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:14,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:14,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:14,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:15,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:15,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:05:15,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:15,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-14 21:05:15,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:15,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:05:15,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:15,161 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:05:15,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156939870] [2020-10-14 21:05:15,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:15,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:05:15,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674497610] [2020-10-14 21:05:15,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:05:15,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:15,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:05:15,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:05:15,167 INFO L87 Difference]: Start difference. First operand 1620 states and 2040 transitions. Second operand 5 states. [2020-10-14 21:05:17,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:17,278 INFO L93 Difference]: Finished difference Result 2893 states and 3858 transitions. [2020-10-14 21:05:17,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:05:17,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 183 [2020-10-14 21:05:17,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:17,296 INFO L225 Difference]: With dead ends: 2893 [2020-10-14 21:05:17,297 INFO L226 Difference]: Without dead ends: 2053 [2020-10-14 21:05:17,300 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 [2020-10-14 21:05:17,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2020-10-14 21:05:17,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 2032. [2020-10-14 21:05:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2032 states. [2020-10-14 21:05:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2611 transitions. [2020-10-14 21:05:17,355 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2611 transitions. Word has length 183 [2020-10-14 21:05:17,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:17,356 INFO L479 AbstractCegarLoop]: Abstraction has 2032 states and 2611 transitions. [2020-10-14 21:05:17,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:05:17,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2611 transitions. [2020-10-14 21:05:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-14 21:05:17,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:17,362 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:05:17,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:05:17,363 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:17,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1635335885, now seen corresponding path program 1 times [2020-10-14 21:05:17,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:17,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572243566] [2020-10-14 21:05:17,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:17,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:17,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:18,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:19,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:19,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-14 21:05:19,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:05:19,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1750 [2020-10-14 21:05:19,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:19,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 21:05:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:05:19,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:19,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:19,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:19,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:19,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:19,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:19,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:05:19,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:19,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:19,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:19,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:19,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:19,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:19,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:19,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:19,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:19,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:05:19,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:19,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 21:05:19,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:19,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:05:19,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:19,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:05:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:19,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:19,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:19,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:05:19,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:19,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-14 21:05:19,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:19,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 21:05:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 159 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:05:19,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572243566] [2020-10-14 21:05:19,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:19,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:05:19,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121637352] [2020-10-14 21:05:19,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:19,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:19,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:19,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:19,764 INFO L87 Difference]: Start difference. First operand 2032 states and 2611 transitions. Second operand 7 states. [2020-10-14 21:05:22,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:22,778 INFO L93 Difference]: Finished difference Result 4706 states and 7188 transitions. [2020-10-14 21:05:22,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:05:22,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-10-14 21:05:22,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:22,807 INFO L225 Difference]: With dead ends: 4706 [2020-10-14 21:05:22,808 INFO L226 Difference]: Without dead ends: 3058 [2020-10-14 21:05:22,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:05:22,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3058 states. [2020-10-14 21:05:22,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3058 to 2880. [2020-10-14 21:05:22,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2880 states. [2020-10-14 21:05:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3714 transitions. [2020-10-14 21:05:22,969 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3714 transitions. Word has length 240 [2020-10-14 21:05:22,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:22,970 INFO L479 AbstractCegarLoop]: Abstraction has 2880 states and 3714 transitions. [2020-10-14 21:05:22,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3714 transitions. [2020-10-14 21:05:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-14 21:05:22,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:22,975 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:05:22,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:05:22,976 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:22,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:22,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1158179788, now seen corresponding path program 1 times [2020-10-14 21:05:22,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:22,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939288215] [2020-10-14 21:05:22,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:23,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:23,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:23,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:25,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:25,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 21:05:25,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:05:25,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2577 [2020-10-14 21:05:25,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:25,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:25,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 21:05:25,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:05:25,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 21:05:25,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:25,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:25,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:25,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:25,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:25,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:25,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:05:25,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:25,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:05:25,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:25,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:25,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:25,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:25,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:05:25,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:25,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 21:05:25,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:25,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:25,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:25,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 21:05:25,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:26,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:05:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:26,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:26,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:26,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:05:26,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:26,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 21:05:26,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:26,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:05:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:05:26,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 76 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 21:05:26,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939288215] [2020-10-14 21:05:26,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:26,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:05:26,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834456244] [2020-10-14 21:05:26,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:05:26,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:26,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:05:26,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:05:26,400 INFO L87 Difference]: Start difference. First operand 2880 states and 3714 transitions. Second operand 9 states. [2020-10-14 21:05:29,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:29,546 INFO L93 Difference]: Finished difference Result 4954 states and 6735 transitions. [2020-10-14 21:05:29,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 21:05:29,547 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 241 [2020-10-14 21:05:29,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:29,564 INFO L225 Difference]: With dead ends: 4954 [2020-10-14 21:05:29,565 INFO L226 Difference]: Without dead ends: 3046 [2020-10-14 21:05:29,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:05:29,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2020-10-14 21:05:29,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 2906. [2020-10-14 21:05:29,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2906 states. [2020-10-14 21:05:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 3720 transitions. [2020-10-14 21:05:29,658 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 3720 transitions. Word has length 241 [2020-10-14 21:05:29,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:29,658 INFO L479 AbstractCegarLoop]: Abstraction has 2906 states and 3720 transitions. [2020-10-14 21:05:29,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:05:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3720 transitions. [2020-10-14 21:05:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-14 21:05:29,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:29,664 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:05:29,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:05:29,664 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:29,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:29,665 INFO L82 PathProgramCache]: Analyzing trace with hash -213403185, now seen corresponding path program 1 times [2020-10-14 21:05:29,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:29,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199346379] [2020-10-14 21:05:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:29,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:29,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:30,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:31,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:31,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-14 21:05:31,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:05:31,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2108 [2020-10-14 21:05:31,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:31,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 21:05:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:05:31,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:32,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:32,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:32,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:32,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:32,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:32,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:05:32,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:32,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:32,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:32,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:32,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:32,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:32,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:05:32,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:32,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-14 21:05:32,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:32,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:05:32,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:32,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:05:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:32,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:32,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:32,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:05:32,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:32,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-14 21:05:32,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:32,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:32,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:32,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:32,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:05:32,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:05:32,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199346379] [2020-10-14 21:05:32,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:32,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:05:32,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519549470] [2020-10-14 21:05:32,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:32,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:32,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:32,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:32,928 INFO L87 Difference]: Start difference. First operand 2906 states and 3720 transitions. Second operand 7 states. [2020-10-14 21:05:35,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:35,754 INFO L93 Difference]: Finished difference Result 6202 states and 8463 transitions. [2020-10-14 21:05:35,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:05:35,755 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 242 [2020-10-14 21:05:35,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:35,778 INFO L225 Difference]: With dead ends: 6202 [2020-10-14 21:05:35,811 INFO L226 Difference]: Without dead ends: 3680 [2020-10-14 21:05:35,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:05:35,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3680 states. [2020-10-14 21:05:35,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3680 to 3495. [2020-10-14 21:05:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3495 states. [2020-10-14 21:05:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 3495 states and 4373 transitions. [2020-10-14 21:05:35,938 INFO L78 Accepts]: Start accepts. Automaton has 3495 states and 4373 transitions. Word has length 242 [2020-10-14 21:05:35,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:35,939 INFO L479 AbstractCegarLoop]: Abstraction has 3495 states and 4373 transitions. [2020-10-14 21:05:35,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3495 states and 4373 transitions. [2020-10-14 21:05:35,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-14 21:05:35,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:35,947 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:05:35,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:05:35,947 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:35,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:35,948 INFO L82 PathProgramCache]: Analyzing trace with hash 274771163, now seen corresponding path program 1 times [2020-10-14 21:05:35,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:35,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632832451] [2020-10-14 21:05:35,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:36,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:36,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:36,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:36,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-14 21:05:36,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:36,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 546 [2020-10-14 21:05:36,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:36,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:36,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:36,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 21:05:36,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 21:05:36,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:36,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:36,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:36,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:36,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:36,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:36,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:05:36,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:36,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:36,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:36,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:36,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:36,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:36,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:05:36,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:36,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 21:05:36,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:36,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:36,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:36,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:05:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:36,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:36,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:36,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:05:36,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:36,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:05:36,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:36,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:36,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:36,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:36,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:05:36,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 21:05:36,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632832451] [2020-10-14 21:05:36,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:36,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:05:36,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143209866] [2020-10-14 21:05:36,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:05:36,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:36,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:05:36,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:05:36,930 INFO L87 Difference]: Start difference. First operand 3495 states and 4373 transitions. Second operand 6 states. [2020-10-14 21:05:40,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:40,556 INFO L93 Difference]: Finished difference Result 7439 states and 9664 transitions. [2020-10-14 21:05:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:05:40,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 252 [2020-10-14 21:05:40,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:40,580 INFO L225 Difference]: With dead ends: 7439 [2020-10-14 21:05:40,580 INFO L226 Difference]: Without dead ends: 4328 [2020-10-14 21:05:40,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:05:40,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4328 states. [2020-10-14 21:05:40,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4328 to 4281. [2020-10-14 21:05:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2020-10-14 21:05:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5549 transitions. [2020-10-14 21:05:40,698 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5549 transitions. Word has length 252 [2020-10-14 21:05:40,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:40,699 INFO L479 AbstractCegarLoop]: Abstraction has 4281 states and 5549 transitions. [2020-10-14 21:05:40,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:05:40,699 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5549 transitions. [2020-10-14 21:05:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-14 21:05:40,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:40,712 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-14 21:05:40,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:05:40,713 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:40,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:40,713 INFO L82 PathProgramCache]: Analyzing trace with hash -844114695, now seen corresponding path program 1 times [2020-10-14 21:05:40,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:40,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313502882] [2020-10-14 21:05:40,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:41,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:41,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:41,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:43,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:45,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:45,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-14 21:05:45,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:05:45,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-14 21:05:45,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:45,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 21:05:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:05:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 293 [2020-10-14 21:05:45,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:45,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:45,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:45,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:05:45,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:45,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:05:45,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:46,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:46,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:46,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:46,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:46,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:05:46,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:46,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-14 21:05:46,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:46,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:05:46,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:46,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:05:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:46,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:46,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:46,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:46,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:05:46,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:46,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-14 21:05:46,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:46,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:46,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:46,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:46,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:05:46,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:46,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 21:05:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:46,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:46,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:46,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:05:46,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:46,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 21:05:46,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:46,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:05:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 289 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-14 21:05:46,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313502882] [2020-10-14 21:05:46,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:46,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:05:46,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453780851] [2020-10-14 21:05:46,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:46,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:46,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:46,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:46,913 INFO L87 Difference]: Start difference. First operand 4281 states and 5549 transitions. Second operand 7 states. [2020-10-14 21:05:49,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:49,501 INFO L93 Difference]: Finished difference Result 8215 states and 11006 transitions. [2020-10-14 21:05:49,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:05:49,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 335 [2020-10-14 21:05:49,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:49,528 INFO L225 Difference]: With dead ends: 8215 [2020-10-14 21:05:49,528 INFO L226 Difference]: Without dead ends: 4318 [2020-10-14 21:05:49,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:05:49,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4318 states. [2020-10-14 21:05:49,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4318 to 4229. [2020-10-14 21:05:49,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4229 states. [2020-10-14 21:05:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 4229 states and 5207 transitions. [2020-10-14 21:05:49,649 INFO L78 Accepts]: Start accepts. Automaton has 4229 states and 5207 transitions. Word has length 335 [2020-10-14 21:05:49,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:49,650 INFO L479 AbstractCegarLoop]: Abstraction has 4229 states and 5207 transitions. [2020-10-14 21:05:49,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 4229 states and 5207 transitions. [2020-10-14 21:05:49,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-14 21:05:49,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:49,662 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-14 21:05:49,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:05:49,663 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:49,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:49,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1694265295, now seen corresponding path program 1 times [2020-10-14 21:05:49,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:49,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71350083] [2020-10-14 21:05:49,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:49,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:49,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:50,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:51,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:52,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:52,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-14 21:05:52,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:05:52,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2322 [2020-10-14 21:05:52,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:52,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:52,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:05:52,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 21:05:52,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-14 21:05:52,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:52,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:52,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:52,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:52,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:52,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:52,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:05:52,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:52,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:52,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:52,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:52,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:52,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:52,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:52,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:52,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:52,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:05:52,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:05:52,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:52,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:52,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:52,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:05:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:52,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:52,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:52,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:05:52,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:52,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:05:52,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:52,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:52,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:52,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:52,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:05:52,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:52,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 21:05:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:52,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:52,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:52,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:52,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:05:52,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:52,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-14 21:05:52,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:52,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:52,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 21:05:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 257 proven. 46 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 21:05:52,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71350083] [2020-10-14 21:05:52,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:52,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:05:52,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719699147] [2020-10-14 21:05:52,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:05:52,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:52,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:05:52,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:05:52,829 INFO L87 Difference]: Start difference. First operand 4229 states and 5207 transitions. Second operand 6 states. [2020-10-14 21:05:55,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:55,237 INFO L93 Difference]: Finished difference Result 8584 states and 11126 transitions. [2020-10-14 21:05:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:05:55,238 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 339 [2020-10-14 21:05:55,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:55,269 INFO L225 Difference]: With dead ends: 8584 [2020-10-14 21:05:55,270 INFO L226 Difference]: Without dead ends: 5323 [2020-10-14 21:05:55,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:05:55,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5323 states. [2020-10-14 21:05:55,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5323 to 5030. [2020-10-14 21:05:55,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5030 states. [2020-10-14 21:05:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5030 states to 5030 states and 6198 transitions. [2020-10-14 21:05:55,427 INFO L78 Accepts]: Start accepts. Automaton has 5030 states and 6198 transitions. Word has length 339 [2020-10-14 21:05:55,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:55,427 INFO L479 AbstractCegarLoop]: Abstraction has 5030 states and 6198 transitions. [2020-10-14 21:05:55,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:05:55,428 INFO L276 IsEmpty]: Start isEmpty. Operand 5030 states and 6198 transitions. [2020-10-14 21:05:55,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-14 21:05:55,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:55,444 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:05:55,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:05:55,444 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:55,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:55,445 INFO L82 PathProgramCache]: Analyzing trace with hash -279553039, now seen corresponding path program 1 times [2020-10-14 21:05:55,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:55,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281970573] [2020-10-14 21:05:55,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:55,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:55,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:55,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:55,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:57,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:00,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:00,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-14 21:06:00,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:06:00,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 21:06:00,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:00,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:06:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 21:06:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-14 21:06:00,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:00,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:06:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:00,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:00,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:00,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:06:00,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:00,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:06:00,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:00,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:00,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:00,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:00,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:00,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:00,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:06:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:00,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:00,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:00,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:06:00,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:00,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:06:00,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:00,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:00,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:00,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:06:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:00,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:00,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:00,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:06:00,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:00,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:06:00,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:00,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:00,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:06:00,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:00,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 21:06:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:00,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 21:06:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:00,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:00,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:00,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:00,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:06:00,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:06:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 21:06:00,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:00,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:06:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 21:06:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 247 proven. 46 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-14 21:06:01,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281970573] [2020-10-14 21:06:01,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:06:01,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:06:01,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636607783] [2020-10-14 21:06:01,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:06:01,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:06:01,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:06:01,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:06:01,027 INFO L87 Difference]: Start difference. First operand 5030 states and 6198 transitions. Second operand 7 states. [2020-10-14 21:06:03,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:06:03,932 INFO L93 Difference]: Finished difference Result 9724 states and 12219 transitions. [2020-10-14 21:06:03,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:06:03,933 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 339 [2020-10-14 21:06:03,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:06:03,952 INFO L225 Difference]: With dead ends: 9724 [2020-10-14 21:06:03,952 INFO L226 Difference]: Without dead ends: 5670 [2020-10-14 21:06:03,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:06:03,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5670 states. [2020-10-14 21:06:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5670 to 5405. [2020-10-14 21:06:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5405 states. [2020-10-14 21:06:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5405 states to 5405 states and 6632 transitions. [2020-10-14 21:06:04,080 INFO L78 Accepts]: Start accepts. Automaton has 5405 states and 6632 transitions. Word has length 339 [2020-10-14 21:06:04,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:06:04,081 INFO L479 AbstractCegarLoop]: Abstraction has 5405 states and 6632 transitions. [2020-10-14 21:06:04,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:06:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 5405 states and 6632 transitions. [2020-10-14 21:06:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-10-14 21:06:04,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:06:04,094 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:06:04,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:06:04,094 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:06:04,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:06:04,095 INFO L82 PathProgramCache]: Analyzing trace with hash 729987804, now seen corresponding path program 1 times [2020-10-14 21:06:04,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:06:04,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200046771] [2020-10-14 21:06:04,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:06:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:04,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:04,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:04,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:06,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:06,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-14 21:06:06,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:06:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1995 [2020-10-14 21:06:06,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:06,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:06,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:06,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 21:06:06,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 21:06:06,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:06:06,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:06:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:06,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:06,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:06,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:06:06,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:06,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:06:06,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:06,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:06,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:06,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:06:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:06,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:06,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:06,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:06:06,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:06,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:06:06,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:06,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:06,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:06:06,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:06:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:06,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:06,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:06,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 21:06:06,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:06,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 21:06:06,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:06,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:06:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 21:06:06,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:06,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-14 21:06:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:06,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:06,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:06,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:06:06,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:06,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 21:06:06,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:06,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:06,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:06,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:06:06,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 21:06:06,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 308 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-14 21:06:06,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200046771] [2020-10-14 21:06:06,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:06:06,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:06:06,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196665132] [2020-10-14 21:06:06,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:06:06,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:06:06,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:06:06,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:06:06,675 INFO L87 Difference]: Start difference. First operand 5405 states and 6632 transitions. Second operand 7 states. [2020-10-14 21:06:10,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:06:10,337 INFO L93 Difference]: Finished difference Result 10465 states and 12957 transitions. [2020-10-14 21:06:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:06:10,338 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 366 [2020-10-14 21:06:10,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:06:10,356 INFO L225 Difference]: With dead ends: 10465 [2020-10-14 21:06:10,357 INFO L226 Difference]: Without dead ends: 6231 [2020-10-14 21:06:10,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:06:10,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6231 states. [2020-10-14 21:06:10,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6231 to 5604. [2020-10-14 21:06:10,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5604 states. [2020-10-14 21:06:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5604 states to 5604 states and 6840 transitions. [2020-10-14 21:06:10,480 INFO L78 Accepts]: Start accepts. Automaton has 5604 states and 6840 transitions. Word has length 366 [2020-10-14 21:06:10,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:06:10,481 INFO L479 AbstractCegarLoop]: Abstraction has 5604 states and 6840 transitions. [2020-10-14 21:06:10,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:06:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 5604 states and 6840 transitions. [2020-10-14 21:06:10,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-10-14 21:06:10,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:06:10,495 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-14 21:06:10,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:06:10,495 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:06:10,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:06:10,496 INFO L82 PathProgramCache]: Analyzing trace with hash 2046062614, now seen corresponding path program 1 times [2020-10-14 21:06:10,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:06:10,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833937833] [2020-10-14 21:06:10,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:06:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:10,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:11,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:11,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:11,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 377 [2020-10-14 21:06:11,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:06:11,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-10-14 21:06:11,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:11,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:11,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:06:11,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 21:06:11,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-14 21:06:11,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:11,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:06:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:11,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:11,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:11,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:06:11,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:11,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:06:11,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:11,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:11,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:11,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:06:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:11,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:11,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:11,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:06:11,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:11,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 21:06:11,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:11,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:11,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:06:11,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:11,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 21:06:11,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:11,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 21:06:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:11,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:11,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:11,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 21:06:11,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:11,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-14 21:06:11,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:11,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:06:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:06:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 21:06:11,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 220 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:06:11,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833937833] [2020-10-14 21:06:11,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:06:11,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:06:11,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084323841] [2020-10-14 21:06:11,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:06:11,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:06:11,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:06:11,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:06:11,935 INFO L87 Difference]: Start difference. First operand 5604 states and 6840 transitions. Second operand 8 states. [2020-10-14 21:06:14,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:06:14,997 INFO L93 Difference]: Finished difference Result 12066 states and 14884 transitions. [2020-10-14 21:06:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:06:14,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 365 [2020-10-14 21:06:14,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:06:15,020 INFO L225 Difference]: With dead ends: 12066 [2020-10-14 21:06:15,020 INFO L226 Difference]: Without dead ends: 6827 [2020-10-14 21:06:15,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:06:15,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6827 states. [2020-10-14 21:06:15,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6827 to 6773. [2020-10-14 21:06:15,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6773 states. [2020-10-14 21:06:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6773 states to 6773 states and 8305 transitions. [2020-10-14 21:06:15,172 INFO L78 Accepts]: Start accepts. Automaton has 6773 states and 8305 transitions. Word has length 365 [2020-10-14 21:06:15,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:06:15,173 INFO L479 AbstractCegarLoop]: Abstraction has 6773 states and 8305 transitions. [2020-10-14 21:06:15,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:06:15,173 INFO L276 IsEmpty]: Start isEmpty. Operand 6773 states and 8305 transitions. [2020-10-14 21:06:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-14 21:06:15,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:06:15,190 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:06:15,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:06:15,191 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:06:15,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:06:15,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1204219976, now seen corresponding path program 1 times [2020-10-14 21:06:15,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:06:15,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240673665] [2020-10-14 21:06:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:06:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:15,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:15,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:16,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:18,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:18,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:18,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-14 21:06:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:06:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3402 [2020-10-14 21:06:18,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:18,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:06:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:06:18,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:18,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:06:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:18,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:18,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:18,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:06:18,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:18,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:06:18,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:18,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:18,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:18,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:18,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:18,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:18,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:06:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:18,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:18,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:18,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:06:18,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:06:18,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:18,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:06:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:06:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:18,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:06:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:18,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:18,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:18,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 21:06:18,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 21:06:18,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:18,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:18,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:18,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:06:18,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 21:06:18,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:19,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-14 21:06:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:19,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:19,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:19,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:06:19,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:06:19,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:19,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 21:06:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:19,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:19,193 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 244 proven. 86 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 21:06:19,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240673665] [2020-10-14 21:06:19,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:06:19,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:06:19,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920501292] [2020-10-14 21:06:19,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:06:19,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:06:19,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:06:19,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:06:19,195 INFO L87 Difference]: Start difference. First operand 6773 states and 8305 transitions. Second operand 7 states. [2020-10-14 21:06:22,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:06:22,200 INFO L93 Difference]: Finished difference Result 16361 states and 20849 transitions. [2020-10-14 21:06:22,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:06:22,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 378 [2020-10-14 21:06:22,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:06:22,235 INFO L225 Difference]: With dead ends: 16361 [2020-10-14 21:06:22,235 INFO L226 Difference]: Without dead ends: 9970 [2020-10-14 21:06:22,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:06:22,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9970 states. [2020-10-14 21:06:22,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9970 to 9866. [2020-10-14 21:06:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9866 states. [2020-10-14 21:06:22,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9866 states to 9866 states and 11760 transitions. [2020-10-14 21:06:22,464 INFO L78 Accepts]: Start accepts. Automaton has 9866 states and 11760 transitions. Word has length 378 [2020-10-14 21:06:22,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:06:22,465 INFO L479 AbstractCegarLoop]: Abstraction has 9866 states and 11760 transitions. [2020-10-14 21:06:22,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:06:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 9866 states and 11760 transitions. [2020-10-14 21:06:22,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-10-14 21:06:22,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:06:22,482 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-14 21:06:22,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:06:22,482 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:06:22,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:06:22,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1146262704, now seen corresponding path program 1 times [2020-10-14 21:06:22,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:06:22,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144385521] [2020-10-14 21:06:22,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:06:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:22,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:22,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:22,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:23,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:27,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:27,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 393 [2020-10-14 21:06:27,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:06:27,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4507 [2020-10-14 21:06:27,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:27,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:06:27,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:06:27,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:27,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:06:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:27,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:27,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:27,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:06:27,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:27,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:06:27,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:27,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:27,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:27,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:27,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:27,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:27,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:06:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:27,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:27,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:27,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:06:27,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:27,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 21:06:27,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:27,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:27,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:06:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:06:27,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:27,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:06:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:27,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:27,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:27,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:06:27,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:27,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 21:06:27,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:27,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:06:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 21:06:27,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:27,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-14 21:06:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:27,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:27,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:27,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:06:27,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:27,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:06:27,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:27,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 21:06:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:27,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:06:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 245 proven. 86 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 21:06:27,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144385521] [2020-10-14 21:06:27,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:06:27,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:06:27,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601849024] [2020-10-14 21:06:27,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:06:27,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:06:27,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:06:27,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:06:27,620 INFO L87 Difference]: Start difference. First operand 9866 states and 11760 transitions. Second operand 7 states. [2020-10-14 21:06:30,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:06:30,136 INFO L93 Difference]: Finished difference Result 18769 states and 22482 transitions. [2020-10-14 21:06:30,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:06:30,137 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 379 [2020-10-14 21:06:30,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:06:30,159 INFO L225 Difference]: With dead ends: 18769 [2020-10-14 21:06:30,160 INFO L226 Difference]: Without dead ends: 10471 [2020-10-14 21:06:30,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:06:30,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10471 states. [2020-10-14 21:06:30,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10471 to 9876. [2020-10-14 21:06:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9876 states. [2020-10-14 21:06:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9876 states to 9876 states and 11767 transitions. [2020-10-14 21:06:30,353 INFO L78 Accepts]: Start accepts. Automaton has 9876 states and 11767 transitions. Word has length 379 [2020-10-14 21:06:30,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:06:30,354 INFO L479 AbstractCegarLoop]: Abstraction has 9876 states and 11767 transitions. [2020-10-14 21:06:30,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:06:30,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9876 states and 11767 transitions. [2020-10-14 21:06:30,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2020-10-14 21:06:30,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:06:30,377 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:06:30,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:06:30,377 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:06:30,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:06:30,378 INFO L82 PathProgramCache]: Analyzing trace with hash 847806424, now seen corresponding path program 1 times [2020-10-14 21:06:30,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:06:30,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610075717] [2020-10-14 21:06:30,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:06:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:30,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:30,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:30,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:31,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:35,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:35,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 412 [2020-10-14 21:06:35,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:06:35,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 21:06:35,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:35,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:35,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 21:06:35,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:06:35,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 406 [2020-10-14 21:06:35,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:35,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:06:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:35,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:35,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:35,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:06:35,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:06:35,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:35,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:06:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:06:35,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:35,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:06:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:35,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:35,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:35,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:06:35,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:35,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 21:06:35,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:35,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:06:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 21:06:35,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:35,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:06:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:35,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:35,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:06:35,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:35,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 21:06:35,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:35,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:06:35,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:06:35,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:06:35,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:36,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-14 21:06:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:36,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:36,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:36,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:36,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:06:36,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:06:36,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-10-14 21:06:36,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:36,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:36,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:06:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 21:06:36,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 101 proven. 217 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-10-14 21:06:36,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610075717] [2020-10-14 21:06:36,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:06:36,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:06:36,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108044589] [2020-10-14 21:06:36,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:06:36,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:06:36,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:06:36,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:06:36,646 INFO L87 Difference]: Start difference. First operand 9876 states and 11767 transitions. Second operand 9 states. [2020-10-14 21:06:41,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:06:41,187 INFO L93 Difference]: Finished difference Result 23170 states and 28564 transitions. [2020-10-14 21:06:41,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:06:41,189 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 398 [2020-10-14 21:06:41,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:06:41,239 INFO L225 Difference]: With dead ends: 23170 [2020-10-14 21:06:41,239 INFO L226 Difference]: Without dead ends: 14662 [2020-10-14 21:06:41,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:06:41,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14662 states. [2020-10-14 21:06:41,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14662 to 12980. [2020-10-14 21:06:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12980 states. [2020-10-14 21:06:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12980 states to 12980 states and 15527 transitions. [2020-10-14 21:06:41,590 INFO L78 Accepts]: Start accepts. Automaton has 12980 states and 15527 transitions. Word has length 398 [2020-10-14 21:06:41,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:06:41,591 INFO L479 AbstractCegarLoop]: Abstraction has 12980 states and 15527 transitions. [2020-10-14 21:06:41,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:06:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 12980 states and 15527 transitions. [2020-10-14 21:06:41,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2020-10-14 21:06:41,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:06:41,617 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:06:41,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:06:41,617 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:06:41,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:06:41,618 INFO L82 PathProgramCache]: Analyzing trace with hash -780684862, now seen corresponding path program 1 times [2020-10-14 21:06:41,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:06:41,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207393344] [2020-10-14 21:06:41,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:06:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:41,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:41,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:42,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:42,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:42,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:46,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:46,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 443 [2020-10-14 21:06:46,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:06:46,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 21:06:46,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:46,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 21:06:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-14 21:06:46,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:46,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:06:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:46,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:46,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:46,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:06:46,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:46,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:06:46,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:46,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:46,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:46,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:46,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:06:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:46,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:46,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:46,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:06:46,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:06:46,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:46,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:06:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 21:06:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:46,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 21:06:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:47,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:47,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:47,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 21:06:47,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:47,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 21:06:47,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:47,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:06:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 21:06:47,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:47,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-10-14 21:06:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:47,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:47,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:47,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:06:47,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:47,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:06:47,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:47,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 21:06:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:47,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 279 proven. 86 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 21:06:47,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207393344] [2020-10-14 21:06:47,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:06:47,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:06:47,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471894472] [2020-10-14 21:06:47,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:06:47,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:06:47,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:06:47,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:06:47,440 INFO L87 Difference]: Start difference. First operand 12980 states and 15527 transitions. Second operand 7 states. [2020-10-14 21:06:51,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:06:51,138 INFO L93 Difference]: Finished difference Result 27530 states and 32978 transitions. [2020-10-14 21:06:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:06:51,140 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 429 [2020-10-14 21:06:51,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:06:51,173 INFO L225 Difference]: With dead ends: 27530 [2020-10-14 21:06:51,173 INFO L226 Difference]: Without dead ends: 14552 [2020-10-14 21:06:51,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:06:51,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14552 states. [2020-10-14 21:06:51,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14552 to 14506. [2020-10-14 21:06:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14506 states. [2020-10-14 21:06:51,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14506 states to 14506 states and 17135 transitions. [2020-10-14 21:06:51,461 INFO L78 Accepts]: Start accepts. Automaton has 14506 states and 17135 transitions. Word has length 429 [2020-10-14 21:06:51,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:06:51,461 INFO L479 AbstractCegarLoop]: Abstraction has 14506 states and 17135 transitions. [2020-10-14 21:06:51,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:06:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 14506 states and 17135 transitions. [2020-10-14 21:06:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2020-10-14 21:06:51,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:06:51,482 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:06:51,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:06:51,483 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:06:51,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:06:51,483 INFO L82 PathProgramCache]: Analyzing trace with hash 795520137, now seen corresponding path program 1 times [2020-10-14 21:06:51,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:06:51,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231960742] [2020-10-14 21:06:51,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:06:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:51,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:51,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:51,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:54,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:54,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:56,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:56,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 463 [2020-10-14 21:06:56,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:06:56,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 21:06:56,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:56,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:56,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:06:56,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 322 [2020-10-14 21:06:56,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-14 21:06:56,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:56,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:06:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:56,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:56,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:56,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:06:56,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:56,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:06:56,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:56,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:56,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:56,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:56,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:56,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:56,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:06:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:56,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:56,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:56,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:06:56,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:56,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:06:56,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:56,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:56,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:56,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:06:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:56,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:56,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:56,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 21:06:56,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:56,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:06:56,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:56,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:56,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:06:56,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:56,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:06:56,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:56,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-14 21:06:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:56,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:56,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:56,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 21:06:56,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:06:56,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:06:56,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:56,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:06:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:06:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 21:06:56,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:56,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-10-14 21:06:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:06:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:56,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:06:56,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:06:56,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:06:56,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:06:56,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 21:06:56,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:06:56,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:06:56,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:06:56,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:06:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 21:06:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:06:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 376 proven. 47 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-10-14 21:06:57,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231960742] [2020-10-14 21:06:57,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:06:57,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:06:57,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486585979] [2020-10-14 21:06:57,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:06:57,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:06:57,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:06:57,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:06:57,083 INFO L87 Difference]: Start difference. First operand 14506 states and 17135 transitions. Second operand 7 states. [2020-10-14 21:07:00,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:07:00,362 INFO L93 Difference]: Finished difference Result 32299 states and 38570 transitions. [2020-10-14 21:07:00,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:07:00,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 447 [2020-10-14 21:07:00,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:07:00,417 INFO L225 Difference]: With dead ends: 32299 [2020-10-14 21:07:00,417 INFO L226 Difference]: Without dead ends: 18185 [2020-10-14 21:07:00,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:07:00,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18185 states. [2020-10-14 21:07:00,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18185 to 17760. [2020-10-14 21:07:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17760 states. [2020-10-14 21:07:00,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17760 states to 17760 states and 20999 transitions. [2020-10-14 21:07:00,821 INFO L78 Accepts]: Start accepts. Automaton has 17760 states and 20999 transitions. Word has length 447 [2020-10-14 21:07:00,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:07:00,822 INFO L479 AbstractCegarLoop]: Abstraction has 17760 states and 20999 transitions. [2020-10-14 21:07:00,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:07:00,822 INFO L276 IsEmpty]: Start isEmpty. Operand 17760 states and 20999 transitions. [2020-10-14 21:07:00,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-10-14 21:07:00,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:07:00,849 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:07:00,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:07:00,850 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:07:00,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:07:00,850 INFO L82 PathProgramCache]: Analyzing trace with hash -2020386393, now seen corresponding path program 1 times [2020-10-14 21:07:00,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:07:00,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715831527] [2020-10-14 21:07:00,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:07:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:01,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:01,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:02,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:04,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:04,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 467 [2020-10-14 21:07:04,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:07:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3280 [2020-10-14 21:07:04,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:04,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:07:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 247 [2020-10-14 21:07:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-14 21:07:04,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:07:04,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:07:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:04,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:04,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:04,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:07:04,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:04,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:07:04,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:04,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:07:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:07:04,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:07:04,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:07:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:04,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:04,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:04,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:07:04,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:04,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:07:04,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:04,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:04,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:07:04,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:04,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:07:04,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:07:04,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:07:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:04,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:04,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:04,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:07:04,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 21:07:04,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:04,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:07:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:07:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:07:04,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-14 21:07:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:04,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:04,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:04,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 21:07:04,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:04,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-14 21:07:04,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:04,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:04,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:07:04,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:07:04,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 21:07:04,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:07:05,058 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 325 proven. 46 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-14 21:07:05,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715831527] [2020-10-14 21:07:05,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:07:05,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:07:05,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100363962] [2020-10-14 21:07:05,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:07:05,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:07:05,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:07:05,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:07:05,061 INFO L87 Difference]: Start difference. First operand 17760 states and 20999 transitions. Second operand 8 states. [2020-10-14 21:07:09,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:07:09,153 INFO L93 Difference]: Finished difference Result 37626 states and 44468 transitions. [2020-10-14 21:07:09,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:07:09,154 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 453 [2020-10-14 21:07:09,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:07:09,201 INFO L225 Difference]: With dead ends: 37626 [2020-10-14 21:07:09,201 INFO L226 Difference]: Without dead ends: 22012 [2020-10-14 21:07:09,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:07:09,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22012 states. [2020-10-14 21:07:09,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22012 to 21188. [2020-10-14 21:07:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21188 states. [2020-10-14 21:07:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21188 states to 21188 states and 24431 transitions. [2020-10-14 21:07:09,595 INFO L78 Accepts]: Start accepts. Automaton has 21188 states and 24431 transitions. Word has length 453 [2020-10-14 21:07:09,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:07:09,595 INFO L479 AbstractCegarLoop]: Abstraction has 21188 states and 24431 transitions. [2020-10-14 21:07:09,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:07:09,596 INFO L276 IsEmpty]: Start isEmpty. Operand 21188 states and 24431 transitions. [2020-10-14 21:07:09,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2020-10-14 21:07:09,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:07:09,611 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:07:09,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:07:09,611 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:07:09,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:07:09,612 INFO L82 PathProgramCache]: Analyzing trace with hash -881707572, now seen corresponding path program 1 times [2020-10-14 21:07:09,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:07:09,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099984473] [2020-10-14 21:07:09,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:07:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:09,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:10,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:10,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:13,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:13,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 477 [2020-10-14 21:07:13,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:07:13,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4286 [2020-10-14 21:07:13,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:13,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:13,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:07:13,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 336 [2020-10-14 21:07:13,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-14 21:07:13,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:07:14,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:07:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:14,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:14,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:14,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:07:14,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:14,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:07:14,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:14,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:14,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:07:14,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:14,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:07:14,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:14,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:07:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:14,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:14,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:14,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:07:14,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:14,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 21:07:14,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:14,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:14,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:07:14,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:14,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:07:14,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:14,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:07:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:14,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:14,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:14,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:07:14,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:14,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:07:14,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:14,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:14,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:07:14,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:14,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:07:14,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:14,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-14 21:07:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:14,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:14,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:14,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 21:07:14,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:14,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 21:07:14,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:14,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:07:14,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:14,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 21:07:14,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:14,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-10-14 21:07:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:14,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:14,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:14,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:14,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 21:07:14,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:07:14,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-14 21:07:14,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:14,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:07:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 21:07:14,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 194 proven. 4 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2020-10-14 21:07:15,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099984473] [2020-10-14 21:07:15,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:07:15,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:07:15,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638144450] [2020-10-14 21:07:15,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:07:15,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:07:15,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:07:15,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:07:15,018 INFO L87 Difference]: Start difference. First operand 21188 states and 24431 transitions. Second operand 5 states. [2020-10-14 21:07:17,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:07:17,280 INFO L93 Difference]: Finished difference Result 23140 states and 26775 transitions. [2020-10-14 21:07:17,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:07:17,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 461 [2020-10-14 21:07:17,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:07:17,317 INFO L225 Difference]: With dead ends: 23140 [2020-10-14 21:07:17,317 INFO L226 Difference]: Without dead ends: 23138 [2020-10-14 21:07:17,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:07:17,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23138 states. [2020-10-14 21:07:17,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23138 to 22134. [2020-10-14 21:07:17,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22134 states. [2020-10-14 21:07:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22134 states to 22134 states and 25681 transitions. [2020-10-14 21:07:17,703 INFO L78 Accepts]: Start accepts. Automaton has 22134 states and 25681 transitions. Word has length 461 [2020-10-14 21:07:17,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:07:17,703 INFO L479 AbstractCegarLoop]: Abstraction has 22134 states and 25681 transitions. [2020-10-14 21:07:17,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:07:17,704 INFO L276 IsEmpty]: Start isEmpty. Operand 22134 states and 25681 transitions. [2020-10-14 21:07:17,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2020-10-14 21:07:17,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:07:17,740 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:07:17,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:07:17,740 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:07:17,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:07:17,741 INFO L82 PathProgramCache]: Analyzing trace with hash 376121705, now seen corresponding path program 1 times [2020-10-14 21:07:17,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:07:17,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291558622] [2020-10-14 21:07:17,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:07:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:17,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:18,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:18,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:18,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:20,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:22,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:22,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 909 [2020-10-14 21:07:22,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:07:22,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 21:07:22,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:22,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:22,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:07:22,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 405 [2020-10-14 21:07:22,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-14 21:07:22,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:07:23,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:07:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:23,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:23,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:23,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:07:23,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:23,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:07:23,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:23,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:23,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:07:23,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:23,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:07:23,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:23,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:07:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:23,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:23,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:23,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:07:23,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 21:07:23,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:23,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:07:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:23,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:07:23,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:23,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:07:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:23,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:23,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:23,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:07:23,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:23,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:07:23,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:23,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:23,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:07:23,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:07:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:23,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-14 21:07:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:23,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:23,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:23,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 21:07:23,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:23,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-14 21:07:23,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:23,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:23,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:07:23,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:07:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-14 21:07:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:23,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2020-10-14 21:07:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:23,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:23,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:23,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 21:07:23,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:23,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-14 21:07:23,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:23,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:07:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:07:23,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 21:07:23,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:07:24,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-10-14 21:07:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:24,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:24,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:24,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:24,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 21:07:24,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:07:24,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-14 21:07:24,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:24,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:24,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:07:24,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-14 21:07:24,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:07:24,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:24,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2020-10-14 21:07:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:07:24,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:07:24,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:07:24,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 21:07:24,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:07:24,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 21:07:24,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:07:24,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:07:24,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:07:24,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-14 21:07:24,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:07:24,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:07:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2171 backedges. 675 proven. 266 refuted. 0 times theorem prover too weak. 1230 trivial. 0 not checked. [2020-10-14 21:07:25,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291558622] [2020-10-14 21:07:25,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:07:25,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:07:25,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095039703] [2020-10-14 21:07:25,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:07:25,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:07:25,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:07:25,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:07:25,094 INFO L87 Difference]: Start difference. First operand 22134 states and 25681 transitions. Second operand 8 states. [2020-10-14 21:07:31,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:07:31,225 INFO L93 Difference]: Finished difference Result 42885 states and 49763 transitions. [2020-10-14 21:07:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 21:07:31,226 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 889 [2020-10-14 21:07:31,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:07:31,231 INFO L225 Difference]: With dead ends: 42885 [2020-10-14 21:07:31,231 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:07:31,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2020-10-14 21:07:31,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:07:31,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:07:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:07:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:07:31,288 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 889 [2020-10-14 21:07:31,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:07:31,288 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:07:31,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:07:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:07:31,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:07:31,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:07:31,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:07:34,376 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 641 DAG size of output: 379 [2020-10-14 21:07:35,204 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 379 [2020-10-14 21:07:35,370 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2020-10-14 21:07:40,612 WARN L193 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 520 DAG size of output: 142 [2020-10-14 21:07:43,908 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 353 DAG size of output: 116 [2020-10-14 21:07:47,081 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 353 DAG size of output: 116 [2020-10-14 21:07:47,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:07:47,087 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 21:07:47,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:07:47,087 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 21:07:47,087 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 21:07:47,088 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 21:07:47,088 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,088 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,088 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,088 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,088 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,088 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,090 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,090 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 21:07:47,091 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 21:07:47,091 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 21:07:47,091 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,091 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,091 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,091 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,091 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,092 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,092 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,092 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,092 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,092 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 21:07:47,092 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 21:07:47,092 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 21:07:47,092 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,092 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 21:07:47,093 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,094 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,095 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,095 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,095 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 21:07:47,095 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 21:07:47,095 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 21:07:47,095 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,095 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,095 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,095 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,095 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,096 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 21:07:47,096 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 21:07:47,096 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,096 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,096 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,096 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,096 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,096 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,096 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 21:07:47,096 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 21:07:47,097 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,098 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,099 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse18 (= 12 |old(~a25~0)|)) (.cse19 (= ~a25~0 |old(~a25~0)|)) (.cse32 (= ~a8~0 15)) (.cse31 (= ~a3~0 1)) (.cse20 (= ~a23~0 |old(~a23~0)|)) (.cse21 (= ~a29~0 |old(~a29~0)|)) (.cse33 (= ~a25~0 12)) (.cse29 (= ~a4~0 |old(~a4~0)|))) (let ((.cse6 (not (<= |old(~a29~0)| 220))) (.cse14 (not (<= |old(~a29~0)| 599999))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse26 (not (<= 312 |old(~a23~0)|))) (.cse11 (not (<= |old(~a23~0)| 262))) (.cse1 (and .cse20 .cse21 .cse33 .cse29)) (.cse15 (not (<= |old(~a25~0)| 9))) (.cse27 (and (= ~a4~0 0) .cse19 .cse20 .cse21 .cse32 .cse33 (<= ~a29~0 599998) .cse31)) (.cse28 (not (= |old(~a4~0)| 0))) (.cse25 (not (<= |old(~a29~0)| 239))) (.cse5 (not (<= 141 |old(~a29~0)|))) (.cse3 (not (<= 307 |old(~a23~0)|))) (.cse22 (not (<= |old(~a29~0)| 599998))) (.cse4 (not .cse18)) (.cse24 (not (<= 246 |old(~a29~0)|))) (.cse30 (not (<= (+ |old(~a23~0)| 43) 0))) (.cse2 (not .cse32)) (.cse23 (not (<= |old(~a25~0)| 11))) (.cse7 (not .cse31)) (.cse17 (not (<= |old(~a4~0)| 0))) (.cse10 (not (<= |old(~a23~0)| 138))) (.cse16 (not (<= (+ |old(~a29~0)| 21) 0))) (.cse12 (not (= 10 |old(~a25~0)|))) (.cse13 (and .cse19 .cse20 .cse21 .cse29)) (.cse8 (not (<= |old(~a4~0)| 1))) (.cse9 (not (<= 1 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse1 .cse4 .cse6 .cse8 .cse9 .cse10) (or .cse11 .cse12 .cse13 .cse8 .cse9) (or .cse14 .cse15 (not (<= 278 |old(~a29~0)|)) .cse13 .cse8 .cse9) (or .cse16 .cse2 .cse12 .cse13 .cse17 .cse7) (or .cse18 .cse11 (and (<= 1 ~a4~0) .cse19 .cse20 .cse21 (<= ~a4~0 1)) .cse14 .cse8 .cse9) (or .cse18 .cse22 .cse2 .cse13 .cse5 .cse8 .cse7 .cse9) (or .cse14 .cse23 .cse3 .cse24 .cse13 .cse8 .cse9) (or .cse25 .cse1 .cse2 .cse4 .cse5 .cse8 .cse26 .cse7 .cse9) (or .cse0 .cse16 .cse1 .cse2 .cse4 .cse26 .cse7) (or .cse16 .cse2 .cse13 (not (<= |old(~a23~0)| 85)) .cse7 .cse17) (or .cse22 .cse2 .cse23 .cse13 .cse8 .cse7 .cse9) (or .cse1 .cse22 .cse2 .cse4 .cse3 .cse24 .cse8 .cse7 .cse9) (or .cse16 .cse1 .cse2 .cse4 .cse7 .cse17 .cse10) (or .cse22 .cse2 .cse23 .cse24 .cse13 .cse7 .cse17 .cse10) (or .cse27 .cse22 .cse2 .cse4 .cse5 .cse7 .cse28) (or .cse11 .cse16 .cse1 .cse4 .cse8 .cse9) (or .cse15 .cse2 (not (<= 0 (+ |old(~a23~0)| 42))) (and (<= ~a25~0 9) (<= 9 ~a25~0) .cse20 .cse21 .cse29) (not (<= |old(~a23~0)| 137)) (not (<= 9 |old(~a25~0)|)) .cse8 .cse7 .cse9) (or .cse16 .cse27 .cse22 .cse2 .cse4 .cse7 .cse28) (or .cse25 .cse2 .cse4 .cse13 .cse5 .cse30 .cse7 .cse17) (or .cse18 .cse22 .cse2 .cse3 .cse13 .cse8 .cse7 .cse9) (or .cse22 .cse2 .cse4 .cse13 .cse24 .cse30 .cse7 .cse17) (or .cse16 .cse2 .cse23 .cse13 .cse7 .cse17 .cse10) (or .cse16 .cse12 .cse13 .cse8 .cse9)))) [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,100 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,101 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,102 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,103 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,104 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,104 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,104 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,104 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2020-10-14 21:07:47,104 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 21:07:47,104 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 21:07:47,104 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,105 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,105 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 21:07:47,105 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 21:07:47,105 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,105 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,105 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,105 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,105 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,105 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,105 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,106 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,107 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 21:07:47,107 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 21:07:47,107 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 21:07:47,107 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 21:07:47,107 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 21:07:47,107 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 21:07:47,107 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,107 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,107 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,107 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,108 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,108 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,108 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,108 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 21:07:47,108 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 21:07:47,108 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,108 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,108 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,108 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,108 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,109 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,110 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 21:07:47,110 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,110 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,110 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,110 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 21:07:47,110 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 21:07:47,110 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 21:07:47,110 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,110 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 21:07:47,110 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,111 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 21:07:47,111 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,111 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,111 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,111 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,111 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,111 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,111 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 21:07:47,111 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 21:07:47,111 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 21:07:47,112 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,112 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,112 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,112 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,112 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,112 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,112 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,112 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,112 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,113 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,113 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 21:07:47,114 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 21:07:47,114 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 21:07:47,114 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,114 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 21:07:47,114 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,115 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 21:07:47,116 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 21:07:47,116 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,116 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,116 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 21:07:47,116 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,116 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,116 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:07:47,116 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:07:47,116 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (<= 1 ~a4~0) (= ~a8~0 15) (= ~a29~0 130) (= ~a3~0 1) (<= ~a4~0 1) (= ~a23~0 312)) [2020-10-14 21:07:47,116 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:07:47,116 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:07:47,116 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 312 |old(~a23~0)|)) (not (= 130 |old(~a29~0)|)) (not (= ~a8~0 15)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a29~0 130) (= ~a23~0 312)) (not (<= |old(~a4~0)| 1)) (not (= ~a3~0 1)) (not (<= 1 |old(~a4~0)|))) [2020-10-14 21:07:47,116 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 21:07:47,117 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse18 (= ~a25~0 12))) (let ((.cse0 (<= ~a29~0 599999)) (.cse2 (<= 307 ~a23~0)) (.cse8 (<= ~a23~0 262)) (.cse6 (<= 246 ~a29~0)) (.cse13 (<= 312 ~a23~0)) (.cse10 (<= ~a23~0 138)) (.cse19 (<= ~a29~0 220)) (.cse20 (= ~a4~0 1)) (.cse17 (<= ~a25~0 9)) (.cse21 (= ~a25~0 10)) (.cse3 (<= ~a25~0 11)) (.cse7 (<= (+ ~a29~0 21) 0)) (.cse23 (= ~a4~0 0)) (.cse24 (<= |old(~a29~0)| 245)) (.cse25 (<= 307 |old(~a23~0)|)) (.cse26 (or (= |old(~a4~0)| 1) (= 9 |old(~a25~0)|))) (.cse9 (= ~a8~0 15)) (.cse16 (= ~a3~0 1)) (.cse11 (<= ~a4~0 0)) (.cse22 (<= (+ ~a23~0 43) 0)) (.cse15 (<= ~a29~0 239)) (.cse12 (not .cse18)) (.cse1 (<= 1 ~a4~0)) (.cse14 (<= 141 ~a29~0)) (.cse5 (<= ~a29~0 599998)) (.cse4 (<= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse4) (and .cse7 .cse1 .cse8 .cse4) (not .cse9) (and .cse10 .cse11 .cse3 .cse5 .cse6) (and .cse12 .cse1 .cse2 .cse5 .cse4) (and .cse13 .cse1 .cse14 .cse15 .cse4) (not (<= |old(~a4~0)| 1)) (not .cse16) (not (<= 1 |old(~a4~0)|)) (and .cse12 .cse0 .cse1 .cse8 .cse4) (and .cse0 .cse17 .cse1 .cse4) (not (= 130 |old(~a29~0)|)) (and .cse2 .cse14 .cse18 .cse19 .cse20) (not (= 10 |old(~a25~0)|)) (and .cse21 .cse1 .cse8 .cse4) (and .cse11 .cse18 .cse5 .cse22 .cse6) (and .cse7 .cse10 .cse11 .cse3) (and .cse7 .cse13 .cse1 .cse4) (and .cse7 .cse10 .cse11 .cse18) (and .cse23 .cse11 .cse24 .cse25 .cse26 .cse14 .cse9 .cse18 .cse5 .cse16) (and .cse10 .cse18 .cse19 .cse20) (not (= 312 |old(~a23~0)|)) (and (<= ~a23~0 137) .cse1 .cse17 (<= 0 (+ ~a23~0 42)) (<= 9 ~a25~0) .cse4) (and .cse7 .cse11 (<= ~a23~0 85)) (and .cse7 .cse11 .cse21) (and .cse1 .cse3 .cse5 .cse4) (and .cse7 .cse23 .cse11 .cse24 .cse25 .cse26 .cse9 .cse18 .cse5 .cse16) (and .cse11 .cse14 .cse18 .cse22 .cse15) (and .cse12 .cse1 .cse14 .cse5 .cse4)))) [2020-10-14 21:07:47,117 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 21:07:47,117 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 21:07:47,117 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse18 (= ~a25~0 12))) (let ((.cse0 (<= ~a29~0 599999)) (.cse2 (<= 307 ~a23~0)) (.cse8 (<= ~a23~0 262)) (.cse6 (<= 246 ~a29~0)) (.cse13 (<= 312 ~a23~0)) (.cse10 (<= ~a23~0 138)) (.cse19 (<= ~a29~0 220)) (.cse20 (= ~a4~0 1)) (.cse17 (<= ~a25~0 9)) (.cse21 (= ~a25~0 10)) (.cse3 (<= ~a25~0 11)) (.cse7 (<= (+ ~a29~0 21) 0)) (.cse23 (= ~a4~0 0)) (.cse24 (<= |old(~a29~0)| 245)) (.cse25 (<= 307 |old(~a23~0)|)) (.cse26 (or (= |old(~a4~0)| 1) (= 9 |old(~a25~0)|))) (.cse9 (= ~a8~0 15)) (.cse16 (= ~a3~0 1)) (.cse11 (<= ~a4~0 0)) (.cse22 (<= (+ ~a23~0 43) 0)) (.cse15 (<= ~a29~0 239)) (.cse12 (not .cse18)) (.cse1 (<= 1 ~a4~0)) (.cse14 (<= 141 ~a29~0)) (.cse5 (<= ~a29~0 599998)) (.cse4 (<= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse4) (and .cse7 .cse1 .cse8 .cse4) (not .cse9) (and .cse10 .cse11 .cse3 .cse5 .cse6) (and .cse12 .cse1 .cse2 .cse5 .cse4) (and .cse13 .cse1 .cse14 .cse15 .cse4) (not (<= |old(~a4~0)| 1)) (not .cse16) (not (<= 1 |old(~a4~0)|)) (and .cse12 .cse0 .cse1 .cse8 .cse4) (and .cse0 .cse17 .cse1 .cse4) (not (= 130 |old(~a29~0)|)) (and .cse2 .cse14 .cse18 .cse19 .cse20) (not (= 10 |old(~a25~0)|)) (and .cse21 .cse1 .cse8 .cse4) (and .cse11 .cse18 .cse5 .cse22 .cse6) (and .cse7 .cse10 .cse11 .cse3) (and .cse7 .cse13 .cse1 .cse4) (and .cse7 .cse10 .cse11 .cse18) (and .cse23 .cse11 .cse24 .cse25 .cse26 .cse14 .cse9 .cse18 .cse5 .cse16) (and .cse10 .cse18 .cse19 .cse20) (not (= 312 |old(~a23~0)|)) (and (<= ~a23~0 137) .cse1 .cse17 (<= 0 (+ ~a23~0 42)) (<= 9 ~a25~0) .cse4) (and .cse7 .cse11 (<= ~a23~0 85)) (and .cse7 .cse11 .cse21) (and .cse1 .cse3 .cse5 .cse4) (and .cse7 .cse23 .cse11 .cse24 .cse25 .cse26 .cse9 .cse18 .cse5 .cse16) (and .cse11 .cse14 .cse18 .cse22 .cse15) (and .cse12 .cse1 .cse14 .cse5 .cse4)))) [2020-10-14 21:07:47,117 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 21:07:47,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:07:47 BoogieIcfgContainer [2020-10-14 21:07:47,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:07:47,152 INFO L168 Benchmark]: Toolchain (without parser) took 170498.80 ms. Allocated memory was 145.8 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 99.0 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-10-14 21:07:47,153 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 21:07:47,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 953.42 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 99.0 MB in the beginning and 156.7 MB in the end (delta: -57.6 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. [2020-10-14 21:07:47,154 INFO L168 Benchmark]: Boogie Preprocessor took 155.61 ms. Allocated memory is still 205.5 MB. Free memory was 156.7 MB in the beginning and 148.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:07:47,155 INFO L168 Benchmark]: RCFGBuilder took 2145.74 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 148.1 MB in the beginning and 94.2 MB in the end (delta: 54.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:07:47,156 INFO L168 Benchmark]: TraceAbstraction took 167234.22 ms. Allocated memory was 238.6 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 94.2 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-10-14 21:07:47,159 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 953.42 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 99.0 MB in the beginning and 156.7 MB in the end (delta: -57.6 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 155.61 ms. Allocated memory is still 205.5 MB. Free memory was 156.7 MB in the beginning and 148.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2145.74 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 148.1 MB in the beginning and 94.2 MB in the end (delta: 54.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 167234.22 ms. Allocated memory was 238.6 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 94.2 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 144]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((a29 <= 599999 && 1 <= a4) && 307 <= a23) && a25 <= 11) && a4 <= 1) || ((((1 <= a4 && 307 <= a23) && a29 <= 599998) && 246 <= a29) && a4 <= 1)) || (((a29 + 21 <= 0 && 1 <= a4) && a23 <= 262) && a4 <= 1)) || !(a8 == 15)) || ((((a23 <= 138 && a4 <= 0) && a25 <= 11) && a29 <= 599998) && 246 <= a29)) || ((((!(a25 == 12) && 1 <= a4) && 307 <= a23) && a29 <= 599998) && a4 <= 1)) || ((((312 <= a23 && 1 <= a4) && 141 <= a29) && a29 <= 239) && a4 <= 1)) || !(\old(a4) <= 1)) || !(a3 == 1)) || !(1 <= \old(a4))) || ((((!(a25 == 12) && a29 <= 599999) && 1 <= a4) && a23 <= 262) && a4 <= 1)) || (((a29 <= 599999 && a25 <= 9) && 1 <= a4) && a4 <= 1)) || !(130 == \old(a29))) || ((((307 <= a23 && 141 <= a29) && a25 == 12) && a29 <= 220) && a4 == 1)) || !(10 == \old(a25))) || (((a25 == 10 && 1 <= a4) && a23 <= 262) && a4 <= 1)) || ((((a4 <= 0 && a25 == 12) && a29 <= 599998) && a23 + 43 <= 0) && 246 <= a29)) || (((a29 + 21 <= 0 && a23 <= 138) && a4 <= 0) && a25 <= 11)) || (((a29 + 21 <= 0 && 312 <= a23) && 1 <= a4) && a4 <= 1)) || (((a29 + 21 <= 0 && a23 <= 138) && a4 <= 0) && a25 == 12)) || (((((((((a4 == 0 && a4 <= 0) && \old(a29) <= 245) && 307 <= \old(a23)) && (\old(a4) == 1 || 9 == \old(a25))) && 141 <= a29) && a8 == 15) && a25 == 12) && a29 <= 599998) && a3 == 1)) || (((a23 <= 138 && a25 == 12) && a29 <= 220) && a4 == 1)) || !(312 == \old(a23))) || (((((a23 <= 137 && 1 <= a4) && a25 <= 9) && 0 <= a23 + 42) && 9 <= a25) && a4 <= 1)) || ((a29 + 21 <= 0 && a4 <= 0) && a23 <= 85)) || ((a29 + 21 <= 0 && a4 <= 0) && a25 == 10)) || (((1 <= a4 && a25 <= 11) && a29 <= 599998) && a4 <= 1)) || (((((((((a29 + 21 <= 0 && a4 == 0) && a4 <= 0) && \old(a29) <= 245) && 307 <= \old(a23)) && (\old(a4) == 1 || 9 == \old(a25))) && a8 == 15) && a25 == 12) && a29 <= 599998) && a3 == 1)) || ((((a4 <= 0 && 141 <= a29) && a25 == 12) && a23 + 43 <= 0) && a29 <= 239)) || ((((!(a25 == 12) && 1 <= a4) && 141 <= a29) && a29 <= 599998) && a4 <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 151.2s, OverallIterations: 21, TraceHistogramMax: 7, AutomataDifference: 68.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1053 SDtfs, 13911 SDslu, 1944 SDs, 0 SdLazy, 34468 SolverSat, 4807 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 227 SyntacticMatches, 3 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22134occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 6663 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 727 PreInvPairs, 971 NumberOfFragments, 1922 HoareAnnotationTreeSize, 727 FomulaSimplifications, 336506 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 59694 FormulaSimplificationTreeSizeReductionInter, 11.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 74.3s InterpolantComputationTime, 7044 NumberOfCodeBlocks, 7044 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 7023 ConstructedInterpolants, 0 QuantifiedInterpolants, 6122853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 2 PerfectInterpolantSequences, 7315/8358 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...