/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=NARROWEST --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_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:11:03,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:11:03,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:11:03,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:11:03,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:11:03,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:11:03,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:11:03,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:11:03,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:11:03,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:11:03,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:11:03,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:11:03,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:11:03,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:11:03,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:11:03,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:11:03,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:11:03,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:11:03,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:11:03,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:11:03,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:11:03,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:11:03,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:11:03,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:11:03,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:11:03,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:11:03,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:11:03,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:11:03,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:11:03,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:11:03,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:11:03,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:11:03,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:11:03,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:11:03,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:11:03,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:11:03,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:11:03,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:11:03,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:11:03,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:11:03,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:11:03,621 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 [2020-10-13 08:11:03,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:11:03,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:11:03,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:11:03,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:11:03,649 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:11:03,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:11:03,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:11:03,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:11:03,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:11:03,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:11:03,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:11:03,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:11:03,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:11:03,651 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:11:03,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:11:03,651 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:11:03,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:11:03,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:11:03,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:11:03,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:11:03,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:11:03,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:11:03,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:11:03,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:11:03,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:11:03,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:11:03,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:11:03,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:11:03,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:11:03,656 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:11:03,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:11:04,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:11:04,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:11:04,016 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:11:04,017 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:11:04,017 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label44.c [2020-10-13 08:11:04,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffdeb5776/359812663c5a484fb8f0d1c59518da0c/FLAG88d4c2b25 [2020-10-13 08:11:04,771 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:11:04,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label44.c [2020-10-13 08:11:04,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffdeb5776/359812663c5a484fb8f0d1c59518da0c/FLAG88d4c2b25 [2020-10-13 08:11:04,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffdeb5776/359812663c5a484fb8f0d1c59518da0c [2020-10-13 08:11:04,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:11:04,977 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:11:04,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:11:04,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:11:04,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:11:04,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:11:04" (1/1) ... [2020-10-13 08:11:04,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:04, skipping insertion in model container [2020-10-13 08:11:04,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:11:04" (1/1) ... [2020-10-13 08:11:04,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:11:05,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:11:05,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:11:05,727 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:11:05,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:11:05,971 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:11:05,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:05 WrapperNode [2020-10-13 08:11:05,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:11:05,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:11:05,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:11:05,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:11:05,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:05" (1/1) ... [2020-10-13 08:11:05,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:05" (1/1) ... [2020-10-13 08:11:06,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:05" (1/1) ... [2020-10-13 08:11:06,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:05" (1/1) ... [2020-10-13 08:11:06,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:05" (1/1) ... [2020-10-13 08:11:06,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:05" (1/1) ... [2020-10-13 08:11:06,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:05" (1/1) ... [2020-10-13 08:11:06,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:11:06,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:11:06,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:11:06,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:11:06,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:05" (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 [2020-10-13 08:11:06,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:11:06,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:11:06,227 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:11:06,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:11:06,227 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:11:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:11:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:11:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:11:06,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:11:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:11:06,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:11:07,950 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:11:07,951 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:11:07,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:11:07 BoogieIcfgContainer [2020-10-13 08:11:07,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:11:07,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:11:07,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:11:07,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:11:07,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:11:04" (1/3) ... [2020-10-13 08:11:07,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da13bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:11:07, skipping insertion in model container [2020-10-13 08:11:07,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:11:05" (2/3) ... [2020-10-13 08:11:07,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da13bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:11:07, skipping insertion in model container [2020-10-13 08:11:07,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:11:07" (3/3) ... [2020-10-13 08:11:07,967 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label44.c [2020-10-13 08:11:07,979 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:11:07,987 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:11:08,002 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:11:08,030 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:11:08,030 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:11:08,030 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:11:08,031 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:11:08,031 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:11:08,031 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:11:08,031 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:11:08,031 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:11:08,057 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:11:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-13 08:11:08,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:08,066 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] [2020-10-13 08:11:08,067 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:08,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:08,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1276641867, now seen corresponding path program 1 times [2020-10-13 08:11:08,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:08,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640206004] [2020-10-13 08:11:08,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:08,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:08,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:08,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 08:11:08,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:08,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 423 [2020-10-13 08:11:08,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:08,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:11:08,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:11:08,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 08:11:08,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:11:08,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:08,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:08,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:08,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:08,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:08,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 08:11:08,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:08,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:08,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:08,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:11:08,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:08,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640206004] [2020-10-13 08:11:08,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:11:08,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:11:08,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183213590] [2020-10-13 08:11:08,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:11:08,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:08,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:11:08,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:11:08,912 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-13 08:11:11,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:11,412 INFO L93 Difference]: Finished difference Result 806 states and 1404 transitions. [2020-10-13 08:11:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:11,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-13 08:11:11,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:11,433 INFO L225 Difference]: With dead ends: 806 [2020-10-13 08:11:11,434 INFO L226 Difference]: Without dead ends: 434 [2020-10-13 08:11:11,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:11,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-13 08:11:11,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 428. [2020-10-13 08:11:11,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-13 08:11:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 617 transitions. [2020-10-13 08:11:11,530 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 617 transitions. Word has length 32 [2020-10-13 08:11:11,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:11,531 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 617 transitions. [2020-10-13 08:11:11,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:11:11,532 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 617 transitions. [2020-10-13 08:11:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-13 08:11:11,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:11,540 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:11,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:11:11,540 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:11,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:11,541 INFO L82 PathProgramCache]: Analyzing trace with hash 201462154, now seen corresponding path program 1 times [2020-10-13 08:11:11,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:11,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815137400] [2020-10-13 08:11:11,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:11,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:11,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:12,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:12,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:12,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-13 08:11:12,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:11:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1378 [2020-10-13 08:11:12,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:11:12,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:11:12,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:11:13,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:13,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:13,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:13,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:13,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:13,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:11:13,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:13,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:13,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:13,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:13,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:13,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:11:13,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:13,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 08:11:13,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:13,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:13,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:11:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:13,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815137400] [2020-10-13 08:11:13,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:13,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:13,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247212607] [2020-10-13 08:11:13,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:13,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:13,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:13,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:13,397 INFO L87 Difference]: Start difference. First operand 428 states and 617 transitions. Second operand 5 states. [2020-10-13 08:11:15,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:15,057 INFO L93 Difference]: Finished difference Result 875 states and 1261 transitions. [2020-10-13 08:11:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:15,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-13 08:11:15,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:15,062 INFO L225 Difference]: With dead ends: 875 [2020-10-13 08:11:15,062 INFO L226 Difference]: Without dead ends: 432 [2020-10-13 08:11:15,065 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:11:15,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-13 08:11:15,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 428. [2020-10-13 08:11:15,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-13 08:11:15,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 615 transitions. [2020-10-13 08:11:15,095 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 615 transitions. Word has length 104 [2020-10-13 08:11:15,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:15,096 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 615 transitions. [2020-10-13 08:11:15,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:15,097 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 615 transitions. [2020-10-13 08:11:15,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-13 08:11:15,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:15,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:15,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:11:15,101 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:15,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:15,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1596761827, now seen corresponding path program 1 times [2020-10-13 08:11:15,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:15,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906034225] [2020-10-13 08:11:15,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:15,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:15,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:16,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:16,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:11:16,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:11:16,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1222 [2020-10-13 08:11:16,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:11:16,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 08:11:16,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:11:16,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:16,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:16,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:16,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:16,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:16,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:11:16,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:16,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:16,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:16,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:16,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:16,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:11:16,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:16,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:11:16,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:16,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:11:16,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:16,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906034225] [2020-10-13 08:11:16,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:16,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:16,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737453680] [2020-10-13 08:11:16,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:16,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:16,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:16,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:16,626 INFO L87 Difference]: Start difference. First operand 428 states and 615 transitions. Second operand 5 states. [2020-10-13 08:11:18,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:18,941 INFO L93 Difference]: Finished difference Result 1258 states and 1827 transitions. [2020-10-13 08:11:18,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:18,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2020-10-13 08:11:18,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:18,949 INFO L225 Difference]: With dead ends: 1258 [2020-10-13 08:11:18,950 INFO L226 Difference]: Without dead ends: 836 [2020-10-13 08:11:18,953 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 [2020-10-13 08:11:18,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-10-13 08:11:19,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 832. [2020-10-13 08:11:19,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-10-13 08:11:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1152 transitions. [2020-10-13 08:11:19,023 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1152 transitions. Word has length 105 [2020-10-13 08:11:19,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:19,024 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1152 transitions. [2020-10-13 08:11:19,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1152 transitions. [2020-10-13 08:11:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-13 08:11:19,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:19,038 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:19,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:11:19,039 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:19,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:19,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1461865882, now seen corresponding path program 1 times [2020-10-13 08:11:19,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:19,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358808616] [2020-10-13 08:11:19,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:19,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:19,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:19,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:20,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:20,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 08:11:20,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:11:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1202 [2020-10-13 08:11:20,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:11:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:11:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:11:20,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:20,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:20,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:20,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:20,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:11:20,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:20,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:20,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:20,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:20,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:20,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:11:20,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:20,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-13 08:11:20,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:11:20,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:20,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358808616] [2020-10-13 08:11:20,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:20,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:20,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299693748] [2020-10-13 08:11:20,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:20,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:20,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:20,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:20,604 INFO L87 Difference]: Start difference. First operand 832 states and 1152 transitions. Second operand 5 states. [2020-10-13 08:11:22,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:22,228 INFO L93 Difference]: Finished difference Result 1680 states and 2339 transitions. [2020-10-13 08:11:22,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:22,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-10-13 08:11:22,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:22,236 INFO L225 Difference]: With dead ends: 1680 [2020-10-13 08:11:22,237 INFO L226 Difference]: Without dead ends: 836 [2020-10-13 08:11:22,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:11:22,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-10-13 08:11:22,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 832. [2020-10-13 08:11:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-10-13 08:11:22,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1148 transitions. [2020-10-13 08:11:22,274 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1148 transitions. Word has length 106 [2020-10-13 08:11:22,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:22,276 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1148 transitions. [2020-10-13 08:11:22,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:22,276 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1148 transitions. [2020-10-13 08:11:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-13 08:11:22,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:22,280 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:22,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:11:22,281 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:22,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:22,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1529794375, now seen corresponding path program 1 times [2020-10-13 08:11:22,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:22,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754471070] [2020-10-13 08:11:22,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:22,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:22,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:23,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:23,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 08:11:23,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:11:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 892 [2020-10-13 08:11:23,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 08:11:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 08:11:23,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:23,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:23,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:23,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:23,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:23,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:23,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:11:23,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:23,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:23,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:23,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:23,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:23,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:23,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:23,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:23,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 08:11:23,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:23,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:11:23,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 08:11:23,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:23,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754471070] [2020-10-13 08:11:23,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:23,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:23,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450613441] [2020-10-13 08:11:23,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:23,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:23,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:23,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:23,447 INFO L87 Difference]: Start difference. First operand 832 states and 1148 transitions. Second operand 5 states. [2020-10-13 08:11:25,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:25,890 INFO L93 Difference]: Finished difference Result 2443 states and 3429 transitions. [2020-10-13 08:11:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:25,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-10-13 08:11:25,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:25,901 INFO L225 Difference]: With dead ends: 2443 [2020-10-13 08:11:25,901 INFO L226 Difference]: Without dead ends: 1617 [2020-10-13 08:11:25,904 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 [2020-10-13 08:11:25,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2020-10-13 08:11:25,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1598. [2020-10-13 08:11:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1598 states. [2020-10-13 08:11:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2081 transitions. [2020-10-13 08:11:25,967 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2081 transitions. Word has length 107 [2020-10-13 08:11:25,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:25,968 INFO L479 AbstractCegarLoop]: Abstraction has 1598 states and 2081 transitions. [2020-10-13 08:11:25,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2081 transitions. [2020-10-13 08:11:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-13 08:11:25,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:25,972 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:25,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:11:25,973 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:25,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:25,973 INFO L82 PathProgramCache]: Analyzing trace with hash -971024399, now seen corresponding path program 1 times [2020-10-13 08:11:25,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:25,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367333745] [2020-10-13 08:11:25,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:26,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:26,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:27,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:27,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 08:11:27,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:11:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1366 [2020-10-13 08:11:27,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:27,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 08:11:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 08:11:27,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:27,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:27,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:27,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:27,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:27,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:27,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:11:27,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:27,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:27,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:27,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:27,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:27,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:27,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:27,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:27,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:11:27,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:27,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 08:11:27,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:11:27,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:27,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367333745] [2020-10-13 08:11:27,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:27,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:27,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352254715] [2020-10-13 08:11:27,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:27,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:27,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:27,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:27,595 INFO L87 Difference]: Start difference. First operand 1598 states and 2081 transitions. Second operand 5 states. [2020-10-13 08:11:29,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:29,867 INFO L93 Difference]: Finished difference Result 3959 states and 5312 transitions. [2020-10-13 08:11:29,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:29,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-10-13 08:11:29,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:29,886 INFO L225 Difference]: With dead ends: 3959 [2020-10-13 08:11:29,887 INFO L226 Difference]: Without dead ends: 2367 [2020-10-13 08:11:29,892 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 [2020-10-13 08:11:29,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-10-13 08:11:29,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2363. [2020-10-13 08:11:29,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2363 states. [2020-10-13 08:11:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 3029 transitions. [2020-10-13 08:11:29,969 INFO L78 Accepts]: Start accepts. Automaton has 2363 states and 3029 transitions. Word has length 111 [2020-10-13 08:11:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:29,970 INFO L479 AbstractCegarLoop]: Abstraction has 2363 states and 3029 transitions. [2020-10-13 08:11:29,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:29,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 3029 transitions. [2020-10-13 08:11:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 08:11:29,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:29,972 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:29,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:11:29,973 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:29,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:29,973 INFO L82 PathProgramCache]: Analyzing trace with hash -944090590, now seen corresponding path program 1 times [2020-10-13 08:11:29,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:29,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847879430] [2020-10-13 08:11:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:30,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:30,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:30,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:30,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 08:11:30,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:11:30,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 777 [2020-10-13 08:11:30,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-13 08:11:30,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 08:11:30,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:11:30,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:30,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:30,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:30,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:30,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:30,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:11:30,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:30,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:30,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:30,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:30,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:30,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 08:11:30,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:30,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 08:11:30,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:30,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:30,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:30,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 08:11:30,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:31,032 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:31,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847879430] [2020-10-13 08:11:31,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:31,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:31,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706083951] [2020-10-13 08:11:31,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:31,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:31,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:31,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:31,041 INFO L87 Difference]: Start difference. First operand 2363 states and 3029 transitions. Second operand 5 states. [2020-10-13 08:11:33,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:33,430 INFO L93 Difference]: Finished difference Result 5681 states and 7501 transitions. [2020-10-13 08:11:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:33,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-13 08:11:33,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:33,448 INFO L225 Difference]: With dead ends: 5681 [2020-10-13 08:11:33,448 INFO L226 Difference]: Without dead ends: 3324 [2020-10-13 08:11:33,455 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 [2020-10-13 08:11:33,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2020-10-13 08:11:33,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3312. [2020-10-13 08:11:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-10-13 08:11:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4231 transitions. [2020-10-13 08:11:33,553 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4231 transitions. Word has length 124 [2020-10-13 08:11:33,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:33,554 INFO L479 AbstractCegarLoop]: Abstraction has 3312 states and 4231 transitions. [2020-10-13 08:11:33,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4231 transitions. [2020-10-13 08:11:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 08:11:33,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:33,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:33,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:11:33,557 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:33,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:33,558 INFO L82 PathProgramCache]: Analyzing trace with hash -2124206769, now seen corresponding path program 1 times [2020-10-13 08:11:33,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:33,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962550692] [2020-10-13 08:11:33,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:33,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:33,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:33,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:34,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:34,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:34,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:34,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:34,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-13 08:11:34,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:11:34,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1250 [2020-10-13 08:11:34,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 08:11:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:11:34,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:34,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:34,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:34,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:34,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:34,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:34,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:11:34,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:34,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:34,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:34,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:34,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:34,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:34,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:35,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:35,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 08:11:35,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:35,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 08:11:35,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-13 08:11:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:11:35,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:35,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962550692] [2020-10-13 08:11:35,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:11:35,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:11:35,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874475298] [2020-10-13 08:11:35,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:35,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:35,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:35,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:35,110 INFO L87 Difference]: Start difference. First operand 3312 states and 4231 transitions. Second operand 5 states. [2020-10-13 08:11:36,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:36,462 INFO L93 Difference]: Finished difference Result 6617 states and 8495 transitions. [2020-10-13 08:11:36,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:36,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-10-13 08:11:36,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:36,477 INFO L225 Difference]: With dead ends: 6617 [2020-10-13 08:11:36,478 INFO L226 Difference]: Without dead ends: 3311 [2020-10-13 08:11:36,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:11:36,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2020-10-13 08:11:36,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 3307. [2020-10-13 08:11:36,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3307 states. [2020-10-13 08:11:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 4214 transitions. [2020-10-13 08:11:36,562 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 4214 transitions. Word has length 146 [2020-10-13 08:11:36,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:36,562 INFO L479 AbstractCegarLoop]: Abstraction has 3307 states and 4214 transitions. [2020-10-13 08:11:36,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 4214 transitions. [2020-10-13 08:11:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-13 08:11:36,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:36,566 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:36,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:11:36,566 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:36,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:36,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1254028243, now seen corresponding path program 1 times [2020-10-13 08:11:36,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:36,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712812043] [2020-10-13 08:11:36,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:36,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:36,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:37,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:37,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 08:11:37,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:11:37,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 835 [2020-10-13 08:11:37,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:37,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:37,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 08:11:37,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 08:11:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:37,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:37,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:37,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:37,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:37,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:37,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:11:37,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:37,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:37,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:37,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:37,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:37,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:37,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:37,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:37,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:11:37,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:37,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-13 08:11:37,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:11:37,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:37,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712812043] [2020-10-13 08:11:37,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:37,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:37,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82042466] [2020-10-13 08:11:37,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:37,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:37,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:37,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:37,771 INFO L87 Difference]: Start difference. First operand 3307 states and 4214 transitions. Second operand 5 states. [2020-10-13 08:11:40,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:40,480 INFO L93 Difference]: Finished difference Result 7764 states and 10140 transitions. [2020-10-13 08:11:40,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:40,487 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-10-13 08:11:40,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:40,507 INFO L225 Difference]: With dead ends: 7764 [2020-10-13 08:11:40,507 INFO L226 Difference]: Without dead ends: 4463 [2020-10-13 08:11:40,517 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 [2020-10-13 08:11:40,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4463 states. [2020-10-13 08:11:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4463 to 4069. [2020-10-13 08:11:40,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4069 states. [2020-10-13 08:11:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 4069 states and 5328 transitions. [2020-10-13 08:11:40,626 INFO L78 Accepts]: Start accepts. Automaton has 4069 states and 5328 transitions. Word has length 151 [2020-10-13 08:11:40,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:40,627 INFO L479 AbstractCegarLoop]: Abstraction has 4069 states and 5328 transitions. [2020-10-13 08:11:40,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 5328 transitions. [2020-10-13 08:11:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 08:11:40,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:40,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:40,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:11:40,631 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:40,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:40,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1644489583, now seen corresponding path program 1 times [2020-10-13 08:11:40,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:40,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438248236] [2020-10-13 08:11:40,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:40,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:40,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:41,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:41,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:41,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-13 08:11:41,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:11:41,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 994 [2020-10-13 08:11:41,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-13 08:11:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 08:11:41,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:41,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:41,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:41,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:41,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:41,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:41,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:11:41,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:41,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:41,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:41,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:41,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:41,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:41,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:41,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:41,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-13 08:11:41,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:41,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-13 08:11:41,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-13 08:11:41,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:41,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438248236] [2020-10-13 08:11:41,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:41,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:41,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340985720] [2020-10-13 08:11:41,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:41,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:41,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:41,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:41,987 INFO L87 Difference]: Start difference. First operand 4069 states and 5328 transitions. Second operand 5 states. [2020-10-13 08:11:44,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:44,286 INFO L93 Difference]: Finished difference Result 9467 states and 12663 transitions. [2020-10-13 08:11:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:44,287 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-13 08:11:44,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:44,310 INFO L225 Difference]: With dead ends: 9467 [2020-10-13 08:11:44,310 INFO L226 Difference]: Without dead ends: 5404 [2020-10-13 08:11:44,321 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 [2020-10-13 08:11:44,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5404 states. [2020-10-13 08:11:44,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5404 to 5400. [2020-10-13 08:11:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5400 states. [2020-10-13 08:11:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5400 states to 5400 states and 7101 transitions. [2020-10-13 08:11:44,449 INFO L78 Accepts]: Start accepts. Automaton has 5400 states and 7101 transitions. Word has length 153 [2020-10-13 08:11:44,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:44,450 INFO L479 AbstractCegarLoop]: Abstraction has 5400 states and 7101 transitions. [2020-10-13 08:11:44,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:44,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5400 states and 7101 transitions. [2020-10-13 08:11:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-13 08:11:44,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:44,454 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:11:44,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:11:44,455 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:44,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:44,455 INFO L82 PathProgramCache]: Analyzing trace with hash -39806698, now seen corresponding path program 1 times [2020-10-13 08:11:44,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:44,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998688303] [2020-10-13 08:11:44,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:44,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:44,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:44,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:45,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:45,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:45,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:45,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 08:11:45,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:11:45,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1361 [2020-10-13 08:11:45,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:45,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:45,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-13 08:11:45,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:11:45,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:45,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:45,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:45,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:45,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:45,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:45,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:11:45,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:45,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:45,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:46,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:46,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:11:46,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:46,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-13 08:11:46,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-13 08:11:46,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:11:46,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:11:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:11:46,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998688303] [2020-10-13 08:11:46,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:11:46,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:11:46,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609561102] [2020-10-13 08:11:46,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:46,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:46,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:46,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:46,191 INFO L87 Difference]: Start difference. First operand 5400 states and 7101 transitions. Second operand 5 states. [2020-10-13 08:11:48,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:48,469 INFO L93 Difference]: Finished difference Result 13839 states and 18379 transitions. [2020-10-13 08:11:48,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:48,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2020-10-13 08:11:48,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:48,510 INFO L225 Difference]: With dead ends: 13839 [2020-10-13 08:11:48,511 INFO L226 Difference]: Without dead ends: 8445 [2020-10-13 08:11:48,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:11:48,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2020-10-13 08:11:48,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 7123. [2020-10-13 08:11:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7123 states. [2020-10-13 08:11:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7123 states to 7123 states and 8679 transitions. [2020-10-13 08:11:48,700 INFO L78 Accepts]: Start accepts. Automaton has 7123 states and 8679 transitions. Word has length 163 [2020-10-13 08:11:48,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:48,701 INFO L479 AbstractCegarLoop]: Abstraction has 7123 states and 8679 transitions. [2020-10-13 08:11:48,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 7123 states and 8679 transitions. [2020-10-13 08:11:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-13 08:11:48,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:48,716 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:11:48,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:11:48,717 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:48,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:48,718 INFO L82 PathProgramCache]: Analyzing trace with hash -733864448, now seen corresponding path program 1 times [2020-10-13 08:11:48,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:48,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691366287] [2020-10-13 08:11:48,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:48,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:49,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:49,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:49,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:49,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:49,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-13 08:11:49,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:11:49,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 777 [2020-10-13 08:11:49,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 300 [2020-10-13 08:11:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:11:49,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:49,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:49,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:49,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:49,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:49,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:11:49,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:49,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:49,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:49,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:49,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:49,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:11:49,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:49,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 08:11:49,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:11:49,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:11:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:49,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:50,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:50,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 08:11:50,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-13 08:11:50,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-13 08:11:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:11:50,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:11:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-13 08:11:50,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691366287] [2020-10-13 08:11:50,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:11:50,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:11:50,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459831208] [2020-10-13 08:11:50,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:50,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:50,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:50,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:50,273 INFO L87 Difference]: Start difference. First operand 7123 states and 8679 transitions. Second operand 5 states. [2020-10-13 08:11:51,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:51,789 INFO L93 Difference]: Finished difference Result 14243 states and 17380 transitions. [2020-10-13 08:11:51,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:51,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 322 [2020-10-13 08:11:51,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:51,823 INFO L225 Difference]: With dead ends: 14243 [2020-10-13 08:11:51,823 INFO L226 Difference]: Without dead ends: 7126 [2020-10-13 08:11:51,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:11:51,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7126 states. [2020-10-13 08:11:52,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7126 to 7122. [2020-10-13 08:11:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7122 states. [2020-10-13 08:11:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7122 states to 7122 states and 8677 transitions. [2020-10-13 08:11:52,036 INFO L78 Accepts]: Start accepts. Automaton has 7122 states and 8677 transitions. Word has length 322 [2020-10-13 08:11:52,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:52,038 INFO L479 AbstractCegarLoop]: Abstraction has 7122 states and 8677 transitions. [2020-10-13 08:11:52,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 7122 states and 8677 transitions. [2020-10-13 08:11:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-13 08:11:52,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:52,058 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:11:52,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:11:52,059 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:52,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:52,060 INFO L82 PathProgramCache]: Analyzing trace with hash -651584910, now seen corresponding path program 1 times [2020-10-13 08:11:52,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:52,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361235124] [2020-10-13 08:11:52,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:52,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:52,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:53,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:57,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:57,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-13 08:11:57,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:11:57,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5084 [2020-10-13 08:11:57,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:11:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 319 [2020-10-13 08:11:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:11:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:57,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:11:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:57,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:57,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:57,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:11:57,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:11:57,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:57,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:57,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:57,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:11:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:57,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:57,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:57,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-13 08:11:57,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 08:11:57,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:11:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:57,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:11:57,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:57,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 08:11:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:57,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:11:57,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:11:57,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 08:11:57,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:11:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-13 08:11:57,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:11:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:11:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:11:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-13 08:11:57,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:11:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-10-13 08:11:57,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361235124] [2020-10-13 08:11:57,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:11:57,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:11:57,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621095606] [2020-10-13 08:11:57,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:11:57,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:11:57,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:11:57,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:11:57,894 INFO L87 Difference]: Start difference. First operand 7122 states and 8677 transitions. Second operand 5 states. [2020-10-13 08:11:59,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:11:59,637 INFO L93 Difference]: Finished difference Result 14266 states and 17424 transitions. [2020-10-13 08:11:59,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:11:59,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 339 [2020-10-13 08:11:59,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:11:59,661 INFO L225 Difference]: With dead ends: 14266 [2020-10-13 08:11:59,662 INFO L226 Difference]: Without dead ends: 7126 [2020-10-13 08:11:59,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:11:59,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7126 states. [2020-10-13 08:11:59,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7126 to 7122. [2020-10-13 08:11:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7122 states. [2020-10-13 08:11:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7122 states to 7122 states and 8653 transitions. [2020-10-13 08:11:59,816 INFO L78 Accepts]: Start accepts. Automaton has 7122 states and 8653 transitions. Word has length 339 [2020-10-13 08:11:59,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:11:59,816 INFO L479 AbstractCegarLoop]: Abstraction has 7122 states and 8653 transitions. [2020-10-13 08:11:59,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:11:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 7122 states and 8653 transitions. [2020-10-13 08:11:59,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-10-13 08:11:59,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:11:59,830 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:11:59,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:11:59,830 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:11:59,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:11:59,831 INFO L82 PathProgramCache]: Analyzing trace with hash -628162636, now seen corresponding path program 1 times [2020-10-13 08:11:59,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:11:59,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519966944] [2020-10-13 08:11:59,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:11:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:11:59,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:00,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:00,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-10-13 08:12:00,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:00,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-13 08:12:00,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:00,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 325 [2020-10-13 08:12:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 08:12:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:00,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:00,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:00,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:00,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:00,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:00,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:12:00,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:00,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:00,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:00,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:00,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:00,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:00,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:00,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:12:00,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:00,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 08:12:00,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:00,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:00,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:12:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:00,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:00,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:00,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-13 08:12:00,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:00,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 08:12:00,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:00,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:00,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:00,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-13 08:12:00,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-13 08:12:00,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519966944] [2020-10-13 08:12:00,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:00,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:00,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921368478] [2020-10-13 08:12:00,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:00,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:00,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:00,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:00,905 INFO L87 Difference]: Start difference. First operand 7122 states and 8653 transitions. Second operand 5 states. [2020-10-13 08:12:03,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:03,255 INFO L93 Difference]: Finished difference Result 15579 states and 18941 transitions. [2020-10-13 08:12:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:03,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 346 [2020-10-13 08:12:03,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:03,296 INFO L225 Difference]: With dead ends: 15579 [2020-10-13 08:12:03,296 INFO L226 Difference]: Without dead ends: 8463 [2020-10-13 08:12:03,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:12:03,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8463 states. [2020-10-13 08:12:03,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8463 to 8270. [2020-10-13 08:12:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8270 states. [2020-10-13 08:12:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8270 states to 8270 states and 10020 transitions. [2020-10-13 08:12:03,463 INFO L78 Accepts]: Start accepts. Automaton has 8270 states and 10020 transitions. Word has length 346 [2020-10-13 08:12:03,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:03,464 INFO L479 AbstractCegarLoop]: Abstraction has 8270 states and 10020 transitions. [2020-10-13 08:12:03,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 8270 states and 10020 transitions. [2020-10-13 08:12:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-10-13 08:12:03,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:03,479 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:12:03,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:12:03,480 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:03,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:03,480 INFO L82 PathProgramCache]: Analyzing trace with hash 410429645, now seen corresponding path program 1 times [2020-10-13 08:12:03,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:03,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [245573100] [2020-10-13 08:12:03,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:03,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:03,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:04,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:04,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:04,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:04,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:05,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:06,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:07,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:07,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-13 08:12:07,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 08:12:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3465 [2020-10-13 08:12:07,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 349 [2020-10-13 08:12:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:12:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:07,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:07,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:07,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:07,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:07,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:12:07,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:07,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:07,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:07,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:07,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:07,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-13 08:12:07,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:07,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 08:12:07,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:07,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:07,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 08:12:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:07,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:07,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:07,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 08:12:07,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:07,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-13 08:12:07,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-13 08:12:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:12:07,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-10-13 08:12:07,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [245573100] [2020-10-13 08:12:07,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:12:07,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:12:07,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351069511] [2020-10-13 08:12:07,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:07,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:07,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:07,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:07,654 INFO L87 Difference]: Start difference. First operand 8270 states and 10020 transitions. Second operand 5 states. [2020-10-13 08:12:08,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:08,831 INFO L93 Difference]: Finished difference Result 15770 states and 19118 transitions. [2020-10-13 08:12:08,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:08,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 371 [2020-10-13 08:12:08,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:08,834 INFO L225 Difference]: With dead ends: 15770 [2020-10-13 08:12:08,834 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:12:08,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:12:08,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:12:08,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:12:08,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:12:08,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:12:08,854 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 371 [2020-10-13 08:12:08,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:08,854 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:12:08,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:08,854 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:12:08,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:12:08,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:12:08,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:12:09,710 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 112 [2020-10-13 08:12:09,987 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 112 [2020-10-13 08:12:11,099 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 66 [2020-10-13 08:12:11,424 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 49 [2020-10-13 08:12:11,729 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 49 [2020-10-13 08:12:11,734 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:12:11,735 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)|)) [2020-10-13 08:12:11,735 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:12:11,735 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-13 08:12:11,735 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-13 08:12:11,735 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-13 08:12:11,735 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,735 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,736 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,736 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,736 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,736 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,736 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,737 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-13 08:12:11,737 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-13 08:12:11,737 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-13 08:12:11,737 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,737 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,738 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,738 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,738 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,738 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,738 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,738 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,738 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,738 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-13 08:12:11,739 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-13 08:12:11,739 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-13 08:12:11,739 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,739 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,739 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,739 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,739 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,739 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,739 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,740 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,741 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,742 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,742 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,742 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 08:12:11,742 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-13 08:12:11,742 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-13 08:12:11,742 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,742 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,742 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,742 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,743 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,743 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:12:11,743 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:12:11,743 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,743 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,743 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,743 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,743 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,743 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,743 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:12:11,744 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:12:11,744 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,744 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,744 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 08:12:11,744 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 08:12:11,744 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-13 08:12:11,744 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,744 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,744 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,744 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,745 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,745 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,745 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,745 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-13 08:12:11,745 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-13 08:12:11,745 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-13 08:12:11,745 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:12:11,745 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:12:11,745 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:12:11,745 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:12:11,746 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,746 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,746 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:12:11,746 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:12:11,746 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,746 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,746 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,746 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,747 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse0 (= ~a23~0 |old(~a23~0)|)) (.cse1 (= ~a29~0 |old(~a29~0)|)) (.cse2 (= ~a4~0 |old(~a4~0)|))) (let ((.cse5 (not (<= 10 |old(~a25~0)|))) (.cse8 (not (= |old(~a4~0)| 1))) (.cse3 (not (= ~a8~0 15))) (.cse6 (and (= ~a25~0 |old(~a25~0)|) .cse0 .cse1 .cse2)) (.cse7 (not (<= |old(~a29~0)| 130))) (.cse4 (not (= ~a3~0 1)))) (and (or (and .cse0 .cse1 (= ~a25~0 12) .cse2) .cse3 (not (= 12 |old(~a25~0)|)) .cse4) (or .cse5 .cse3 .cse6 .cse7 .cse4) (or (not (<= 260099 |old(~a23~0)|)) .cse8 .cse3 .cse6 .cse4) (or .cse5 .cse8 .cse3 .cse6 .cse4) (or .cse8 .cse3 (not (<= 246 |old(~a29~0)|)) .cse6 .cse4) (or .cse3 .cse6 .cse4 (not (<= |old(~a23~0)| 138))) (or (not (<= 173 |old(~a23~0)|)) .cse8 (not (<= |old(~a29~0)| 140)) .cse3 (not (<= |old(~a23~0)| 265)) .cse6 (not (= 9 |old(~a25~0)|)) .cse4) (or .cse8 .cse3 .cse6 .cse7 .cse4)))) [2020-10-13 08:12:11,747 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,747 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 08:12:11,747 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-13 08:12:11,747 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-13 08:12:11,747 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,747 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,747 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,747 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,747 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,748 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,748 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-13 08:12:11,748 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-13 08:12:11,748 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 08:12:11,748 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,748 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,748 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,748 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,748 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,749 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,749 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,749 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,749 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-13 08:12:11,749 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-13 08:12:11,749 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-13 08:12:11,749 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,749 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,749 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,750 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,750 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,750 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,750 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,750 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,750 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,750 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,750 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,751 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:12:11,751 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:12:11,751 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-13 08:12:11,751 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-13 08:12:11,751 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-13 08:12:11,751 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,751 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,751 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,751 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,752 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,752 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,752 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,752 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 08:12:11,752 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-13 08:12:11,752 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-13 08:12:11,752 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,752 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,752 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,753 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:12:11,753 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:12:11,753 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,753 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,753 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,753 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,753 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,753 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2020-10-13 08:12:11,754 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-13 08:12:11,754 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-13 08:12:11,754 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,754 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,754 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:12:11,754 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:12:11,754 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,754 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,754 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,754 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,755 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,755 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,755 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-13 08:12:11,755 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-13 08:12:11,755 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:12:11,755 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:12:11,755 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,755 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,755 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,756 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,756 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,756 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,756 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,756 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,756 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 08:12:11,756 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 08:12:11,756 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:12:11,756 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:12:11,756 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:12:11,757 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:12:11,757 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,757 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,757 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,757 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,757 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,757 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,757 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,757 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 08:12:11,757 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 08:12:11,758 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,758 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,758 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,758 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,758 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,758 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,758 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,758 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 08:12:11,758 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 08:12:11,758 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,759 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,759 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,759 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,759 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,759 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,759 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,759 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-13 08:12:11,759 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,759 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,759 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,760 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 08:12:11,760 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 08:12:11,760 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-13 08:12:11,760 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,760 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:12:11,760 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,760 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:12:11,760 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,760 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,761 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,761 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,761 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,761 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,761 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 08:12:11,761 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 08:12:11,761 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-13 08:12:11,761 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,761 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,761 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,762 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,762 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,762 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,762 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,762 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,762 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,762 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,762 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-13 08:12:11,763 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-13 08:12:11,763 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-13 08:12:11,763 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,763 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:12:11,763 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:12:11,763 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,763 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,763 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,764 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,764 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,764 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,764 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-13 08:12:11,764 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 08:12:11,764 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-13 08:12:11,764 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,764 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,764 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,764 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,765 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:12:11,765 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:12:11,765 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,765 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,765 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-13 08:12:11,765 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,765 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,765 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:12:11,766 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:12:11,766 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 10 ~a25~0) (<= ~a29~0 130) (= ~a8~0 15) (= ~a4~0 1) (= ~a3~0 1)) [2020-10-13 08:12:11,766 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:12:11,766 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:12:11,766 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (= ~a8~0 15)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) (not (<= |old(~a29~0)| 130)) (not (= ~a3~0 1))) [2020-10-13 08:12:11,766 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:12:11,766 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse1 (<= ~a29~0 130)) (.cse2 (<= 10 ~a25~0)) (.cse0 (= ~a4~0 1))) (or (not (<= 10 |old(~a25~0)|)) (and (<= 260099 ~a23~0) .cse0) (<= ~a23~0 138) (and .cse1 .cse0) (not (= ~a8~0 15)) (and (= ~a25~0 9) (<= 173 ~a23~0) (<= ~a29~0 140) (<= ~a23~0 265) .cse0) (not (= ~a3~0 1)) (not (= |old(~a4~0)| 1)) (and (<= 246 ~a29~0) .cse0) (and .cse2 .cse1) (and .cse2 .cse0) (= ~a25~0 12) (not (<= |old(~a29~0)| 130)))) [2020-10-13 08:12:11,767 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-13 08:12:11,767 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-13 08:12:11,767 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse1 (<= ~a29~0 130)) (.cse2 (<= 10 ~a25~0)) (.cse0 (= ~a4~0 1))) (or (not (<= 10 |old(~a25~0)|)) (and (<= 260099 ~a23~0) .cse0) (<= ~a23~0 138) (and .cse1 .cse0) (not (= ~a8~0 15)) (and (= ~a25~0 9) (<= 173 ~a23~0) (<= ~a29~0 140) (<= ~a23~0 265) .cse0) (not (= ~a3~0 1)) (not (= |old(~a4~0)| 1)) (and (<= 246 ~a29~0) .cse0) (and .cse2 .cse1) (and .cse2 .cse0) (= ~a25~0 12) (not (<= |old(~a29~0)| 130)))) [2020-10-13 08:12:11,767 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:12:11,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:12:11 BoogieIcfgContainer [2020-10-13 08:12:11,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:12:11,791 INFO L168 Benchmark]: Toolchain (without parser) took 66814.77 ms. Allocated memory was 147.8 MB in the beginning and 1.0 GB in the end (delta: 866.1 MB). Free memory was 101.0 MB in the beginning and 635.9 MB in the end (delta: -534.9 MB). Peak memory consumption was 899.1 MB. Max. memory is 7.1 GB. [2020-10-13 08:12:11,791 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:12:11,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 994.34 ms. Allocated memory was 147.8 MB in the beginning and 210.2 MB in the end (delta: 62.4 MB). Free memory was 100.8 MB in the beginning and 164.7 MB in the end (delta: -63.9 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:12:11,793 INFO L168 Benchmark]: Boogie Preprocessor took 157.44 ms. Allocated memory is still 210.2 MB. Free memory was 164.7 MB in the beginning and 156.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:12:11,794 INFO L168 Benchmark]: RCFGBuilder took 1827.12 ms. Allocated memory was 210.2 MB in the beginning and 241.2 MB in the end (delta: 30.9 MB). Free memory was 156.9 MB in the beginning and 97.9 MB in the end (delta: 59.0 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:12:11,794 INFO L168 Benchmark]: TraceAbstraction took 63829.57 ms. Allocated memory was 241.2 MB in the beginning and 1.0 GB in the end (delta: 772.8 MB). Free memory was 97.9 MB in the beginning and 635.9 MB in the end (delta: -538.1 MB). Peak memory consumption was 802.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:12:11,798 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 994.34 ms. Allocated memory was 147.8 MB in the beginning and 210.2 MB in the end (delta: 62.4 MB). Free memory was 100.8 MB in the beginning and 164.7 MB in the end (delta: -63.9 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.44 ms. Allocated memory is still 210.2 MB. Free memory was 164.7 MB in the beginning and 156.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1827.12 ms. Allocated memory was 210.2 MB in the beginning and 241.2 MB in the end (delta: 30.9 MB). Free memory was 156.9 MB in the beginning and 97.9 MB in the end (delta: 59.0 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63829.57 ms. Allocated memory was 241.2 MB in the beginning and 1.0 GB in the end (delta: 772.8 MB). Free memory was 97.9 MB in the beginning and 635.9 MB in the end (delta: -538.1 MB). Peak memory consumption was 802.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((((((((((!(10 <= \old(a25)) || (260099 <= a23 && a4 == 1)) || a23 <= 138) || (a29 <= 130 && a4 == 1)) || !(a8 == 15)) || ((((a25 == 9 && 173 <= a23) && a29 <= 140) && a23 <= 265) && a4 == 1)) || !(a3 == 1)) || !(\old(a4) == 1)) || (246 <= a29 && a4 == 1)) || (10 <= a25 && a29 <= 130)) || (10 <= a25 && a4 == 1)) || a25 == 12) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 60.8s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 31.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 608 SDtfs, 6494 SDslu, 663 SDs, 0 SdLazy, 14905 SolverSat, 1541 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8270occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1978 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 321 PreInvPairs, 411 NumberOfFragments, 489 HoareAnnotationTreeSize, 321 FomulaSimplifications, 3561655 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7699 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 2680 NumberOfCodeBlocks, 2680 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2665 ConstructedInterpolants, 0 QuantifiedInterpolants, 1022155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 1011/1023 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...