/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/Problem14_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:14:46,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:14:46,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:14:46,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:14:46,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:14:46,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:14:46,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:14:46,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:14:46,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:14:46,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:14:46,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:14:46,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:14:46,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:14:46,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:14:46,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:14:46,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:14:46,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:14:46,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:14:46,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:14:46,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:14:46,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:14:46,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:14:46,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:14:46,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:14:46,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:14:46,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:14:46,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:14:46,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:14:46,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:14:46,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:14:46,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:14:46,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:14:46,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:14:46,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:14:46,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:14:46,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:14:46,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:14:46,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:14:46,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:14:46,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:14:46,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:14:46,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 03:14:46,893 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:14:46,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:14:46,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:14:46,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:14:46,897 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:14:46,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:14:46,898 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:14:46,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:14:46,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:14:46,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:14:46,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:14:46,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:14:46,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:14:46,901 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:14:46,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:14:46,901 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:14:46,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:14:46,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:14:46,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:14:46,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:14:46,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:14:46,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:14:46,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:14:46,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:14:46,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:14:46,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:14:46,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:14:46,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:14:46,904 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:14:46,904 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 03:14:47,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:14:47,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:14:47,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:14:47,282 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:14:47,282 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:14:47,283 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label06.c [2020-10-14 03:14:47,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/096005491/9511e2b956b94ee2946cc55ea5fa1396/FLAG695480191 [2020-10-14 03:14:48,017 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:14:48,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label06.c [2020-10-14 03:14:48,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/096005491/9511e2b956b94ee2946cc55ea5fa1396/FLAG695480191 [2020-10-14 03:14:48,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/096005491/9511e2b956b94ee2946cc55ea5fa1396 [2020-10-14 03:14:48,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:14:48,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:14:48,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:14:48,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:14:48,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:14:48,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:14:48" (1/1) ... [2020-10-14 03:14:48,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605628e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:48, skipping insertion in model container [2020-10-14 03:14:48,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:14:48" (1/1) ... [2020-10-14 03:14:48,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:14:48,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:14:48,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:14:48,904 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:14:49,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:14:49,226 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:14:49,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:49 WrapperNode [2020-10-14 03:14:49,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:14:49,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:14:49,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:14:49,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:14:49,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:49" (1/1) ... [2020-10-14 03:14:49,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:49" (1/1) ... [2020-10-14 03:14:49,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:49" (1/1) ... [2020-10-14 03:14:49,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:49" (1/1) ... [2020-10-14 03:14:49,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:49" (1/1) ... [2020-10-14 03:14:49,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:49" (1/1) ... [2020-10-14 03:14:49,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:49" (1/1) ... [2020-10-14 03:14:49,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:14:49,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:14:49,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:14:49,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:14:49,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:14:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:14:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:14:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:14:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:14:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:14:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:14:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:14:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:14:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:14:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:14:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:14:51,264 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:14:51,264 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:14:51,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:14:51 BoogieIcfgContainer [2020-10-14 03:14:51,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:14:51,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:14:51,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:14:51,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:14:51,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:14:48" (1/3) ... [2020-10-14 03:14:51,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730b7d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:14:51, skipping insertion in model container [2020-10-14 03:14:51,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:49" (2/3) ... [2020-10-14 03:14:51,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730b7d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:14:51, skipping insertion in model container [2020-10-14 03:14:51,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:14:51" (3/3) ... [2020-10-14 03:14:51,283 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label06.c [2020-10-14 03:14:51,296 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:14:51,307 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:14:51,325 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:14:51,357 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:14:51,357 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:14:51,357 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:14:51,357 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:14:51,358 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:14:51,358 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:14:51,358 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:14:51,358 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:14:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:14:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-14 03:14:51,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:51,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:14:51,401 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:51,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:51,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1258864990, now seen corresponding path program 1 times [2020-10-14 03:14:51,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:51,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039529319] [2020-10-14 03:14:51,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:51,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:52,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:52,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:14:52,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:52,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-10-14 03:14:52,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:52,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:52,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:14:52,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:14:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 03:14:52,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 03:14:52,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:52,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:52,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:52,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:52,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:52,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:14:52,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:52,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:14:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:14:52,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039529319] [2020-10-14 03:14:52,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:14:52,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 03:14:52,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723133369] [2020-10-14 03:14:52,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 03:14:52,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:52,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 03:14:52,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 03:14:52,414 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 03:14:54,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:54,785 INFO L93 Difference]: Finished difference Result 698 states and 1241 transitions. [2020-10-14 03:14:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:14:54,788 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2020-10-14 03:14:54,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:54,808 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:14:54,808 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:14:54,816 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 [2020-10-14 03:14:54,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:14:54,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-14 03:14:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-14 03:14:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 604 transitions. [2020-10-14 03:14:54,908 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 604 transitions. Word has length 67 [2020-10-14 03:14:54,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:54,909 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 604 transitions. [2020-10-14 03:14:54,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 03:14:54,909 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 604 transitions. [2020-10-14 03:14:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 03:14:54,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:54,917 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:14:54,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:14:54,918 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:54,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:54,919 INFO L82 PathProgramCache]: Analyzing trace with hash -903050023, now seen corresponding path program 1 times [2020-10-14 03:14:54,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:54,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525151200] [2020-10-14 03:14:54,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:55,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:55,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:55,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:56,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:56,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 03:14:56,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:14:56,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1896 [2020-10-14 03:14:56,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:56,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:14:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 03:14:56,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 03:14:56,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:56,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:57,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:57,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:14:57,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:57,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:57,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:57,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:14:57,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 03:14:57,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:57,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:57,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:14:57,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 03:14:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:14:57,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525151200] [2020-10-14 03:14:57,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:57,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:14:57,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528486035] [2020-10-14 03:14:57,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:14:57,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:57,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:14:57,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:14:57,279 INFO L87 Difference]: Start difference. First operand 374 states and 604 transitions. Second operand 5 states. [2020-10-14 03:14:59,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:59,358 INFO L93 Difference]: Finished difference Result 1116 states and 1822 transitions. [2020-10-14 03:14:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:14:59,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-14 03:14:59,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:59,366 INFO L225 Difference]: With dead ends: 1116 [2020-10-14 03:14:59,366 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 03:14:59,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:14:59,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 03:14:59,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 560. [2020-10-14 03:14:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:14:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 831 transitions. [2020-10-14 03:14:59,413 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 831 transitions. Word has length 136 [2020-10-14 03:14:59,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:59,414 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 831 transitions. [2020-10-14 03:14:59,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:14:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 831 transitions. [2020-10-14 03:14:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-14 03:14:59,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:59,418 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:14:59,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:14:59,418 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:59,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:59,419 INFO L82 PathProgramCache]: Analyzing trace with hash -110932098, now seen corresponding path program 1 times [2020-10-14 03:14:59,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:59,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915124963] [2020-10-14 03:14:59,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:59,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:59,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:00,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:00,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:00,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:00,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 03:15:00,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:15:00,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1390 [2020-10-14 03:15:00,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:00,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 03:15:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 03:15:00,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:00,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:00,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:00,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:00,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:00,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:00,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:15:00,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:00,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:00,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:00,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:00,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:00,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:00,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 03:15:00,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:15:00,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:00,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 03:15:00,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:15:01,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915124963] [2020-10-14 03:15:01,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:01,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:15:01,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613644315] [2020-10-14 03:15:01,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:15:01,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:01,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:15:01,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:15:01,027 INFO L87 Difference]: Start difference. First operand 560 states and 831 transitions. Second operand 5 states. [2020-10-14 03:15:02,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:02,740 INFO L93 Difference]: Finished difference Result 1488 states and 2290 transitions. [2020-10-14 03:15:02,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:15:02,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-14 03:15:02,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:02,748 INFO L225 Difference]: With dead ends: 1488 [2020-10-14 03:15:02,749 INFO L226 Difference]: Without dead ends: 934 [2020-10-14 03:15:02,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:15:02,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-10-14 03:15:02,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 746. [2020-10-14 03:15:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-14 03:15:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1061 transitions. [2020-10-14 03:15:02,805 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1061 transitions. Word has length 137 [2020-10-14 03:15:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:02,806 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 1061 transitions. [2020-10-14 03:15:02,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:15:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1061 transitions. [2020-10-14 03:15:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 03:15:02,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:02,810 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:02,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:15:02,811 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:02,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:02,811 INFO L82 PathProgramCache]: Analyzing trace with hash -744258219, now seen corresponding path program 1 times [2020-10-14 03:15:02,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:02,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023486704] [2020-10-14 03:15:02,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:02,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:02,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:03,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:04,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:04,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:15:04,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:15:04,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1566 [2020-10-14 03:15:04,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:04,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:04,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:04,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:15:04,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 03:15:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:04,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:04,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:04,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:04,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:04,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:04,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:15:04,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:04,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:04,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:04,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:04,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:04,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:04,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:15:04,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:04,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 03:15:04,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:04,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 03:15:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:15:04,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023486704] [2020-10-14 03:15:04,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:04,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:15:04,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580667541] [2020-10-14 03:15:04,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:15:04,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:04,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:15:04,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:15:04,702 INFO L87 Difference]: Start difference. First operand 746 states and 1061 transitions. Second operand 5 states. [2020-10-14 03:15:06,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:06,348 INFO L93 Difference]: Finished difference Result 1860 states and 2663 transitions. [2020-10-14 03:15:06,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:15:06,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-10-14 03:15:06,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:06,356 INFO L225 Difference]: With dead ends: 1860 [2020-10-14 03:15:06,356 INFO L226 Difference]: Without dead ends: 752 [2020-10-14 03:15:06,359 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 [2020-10-14 03:15:06,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-10-14 03:15:06,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 746. [2020-10-14 03:15:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-14 03:15:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1045 transitions. [2020-10-14 03:15:06,411 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1045 transitions. Word has length 150 [2020-10-14 03:15:06,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:06,413 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 1045 transitions. [2020-10-14 03:15:06,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:15:06,414 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1045 transitions. [2020-10-14 03:15:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 03:15:06,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:06,450 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:06,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:15:06,451 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:06,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:06,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1384715987, now seen corresponding path program 1 times [2020-10-14 03:15:06,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:06,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479602936] [2020-10-14 03:15:06,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:06,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:06,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:06,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:07,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:07,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 03:15:07,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:15:07,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1458 [2020-10-14 03:15:07,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:07,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:07,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:07,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 03:15:07,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 03:15:07,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:08,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:08,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:08,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:08,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:08,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:15:08,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:08,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:08,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:08,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:08,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:08,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:08,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:15:08,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:08,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 03:15:08,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:08,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 03:15:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:15:08,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479602936] [2020-10-14 03:15:08,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:08,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:15:08,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537334784] [2020-10-14 03:15:08,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:15:08,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:08,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:15:08,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:15:08,243 INFO L87 Difference]: Start difference. First operand 746 states and 1045 transitions. Second operand 5 states. [2020-10-14 03:15:09,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:09,722 INFO L93 Difference]: Finished difference Result 1304 states and 1806 transitions. [2020-10-14 03:15:09,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:15:09,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-10-14 03:15:09,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:09,732 INFO L225 Difference]: With dead ends: 1304 [2020-10-14 03:15:09,732 INFO L226 Difference]: Without dead ends: 1302 [2020-10-14 03:15:09,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:15:09,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2020-10-14 03:15:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 932. [2020-10-14 03:15:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2020-10-14 03:15:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1348 transitions. [2020-10-14 03:15:09,774 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1348 transitions. Word has length 162 [2020-10-14 03:15:09,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:09,775 INFO L479 AbstractCegarLoop]: Abstraction has 932 states and 1348 transitions. [2020-10-14 03:15:09,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:15:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1348 transitions. [2020-10-14 03:15:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-14 03:15:09,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:09,780 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:09,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:15:09,780 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:09,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:09,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1480771594, now seen corresponding path program 1 times [2020-10-14 03:15:09,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:09,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444018077] [2020-10-14 03:15:09,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:09,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:09,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:09,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:10,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:13,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:14,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:14,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 03:15:14,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:15:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 03:15:14,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:14,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 03:15:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:15:14,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:14,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:14,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:14,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:14,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:14,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:14,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:15:14,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:14,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:14,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:14,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:15,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:15,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:15:15,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:15,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 03:15:15,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:15,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 03:15:15,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:15,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 03:15:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:15,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:15,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:15,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:15,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:15,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 03:15:15,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:15,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:15:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:15:15,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444018077] [2020-10-14 03:15:15,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:15,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:15,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611700090] [2020-10-14 03:15:15,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:15,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:15,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:15,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:15,306 INFO L87 Difference]: Start difference. First operand 932 states and 1348 transitions. Second operand 7 states. [2020-10-14 03:15:18,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:18,369 INFO L93 Difference]: Finished difference Result 2662 states and 4084 transitions. [2020-10-14 03:15:18,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:15:18,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-14 03:15:18,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:18,385 INFO L225 Difference]: With dead ends: 2662 [2020-10-14 03:15:18,385 INFO L226 Difference]: Without dead ends: 1736 [2020-10-14 03:15:18,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:15:18,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2020-10-14 03:15:18,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1316. [2020-10-14 03:15:18,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2020-10-14 03:15:18,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1754 transitions. [2020-10-14 03:15:18,486 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1754 transitions. Word has length 235 [2020-10-14 03:15:18,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:18,487 INFO L479 AbstractCegarLoop]: Abstraction has 1316 states and 1754 transitions. [2020-10-14 03:15:18,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:18,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1754 transitions. [2020-10-14 03:15:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-14 03:15:18,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:18,494 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:18,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:15:18,495 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:18,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:18,496 INFO L82 PathProgramCache]: Analyzing trace with hash 739434897, now seen corresponding path program 1 times [2020-10-14 03:15:18,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:18,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052204275] [2020-10-14 03:15:18,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:18,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:18,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:18,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:22,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:23,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:23,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-14 03:15:23,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:15:23,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 03:15:23,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:23,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:23,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:23,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-14 03:15:23,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:15:23,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:23,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:23,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:23,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:23,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:23,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:15:23,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:23,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:23,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:23,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:23,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:23,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:23,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:15:23,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 03:15:23,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:23,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 03:15:23,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:23,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 03:15:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:23,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:23,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:23,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:23,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:23,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 03:15:23,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:23,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:23,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:15:23,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:15:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:15:24,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052204275] [2020-10-14 03:15:24,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:24,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:24,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255440601] [2020-10-14 03:15:24,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:24,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:24,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:24,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:24,160 INFO L87 Difference]: Start difference. First operand 1316 states and 1754 transitions. Second operand 7 states. [2020-10-14 03:15:26,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:26,751 INFO L93 Difference]: Finished difference Result 3634 states and 5108 transitions. [2020-10-14 03:15:26,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:15:26,752 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 252 [2020-10-14 03:15:26,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:26,771 INFO L225 Difference]: With dead ends: 3634 [2020-10-14 03:15:26,772 INFO L226 Difference]: Without dead ends: 2328 [2020-10-14 03:15:26,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:15:26,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2020-10-14 03:15:26,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 2258. [2020-10-14 03:15:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2258 states. [2020-10-14 03:15:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 2258 states and 2875 transitions. [2020-10-14 03:15:26,876 INFO L78 Accepts]: Start accepts. Automaton has 2258 states and 2875 transitions. Word has length 252 [2020-10-14 03:15:26,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:26,877 INFO L479 AbstractCegarLoop]: Abstraction has 2258 states and 2875 transitions. [2020-10-14 03:15:26,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 2875 transitions. [2020-10-14 03:15:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-14 03:15:26,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:26,885 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:26,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:15:26,886 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:26,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:26,887 INFO L82 PathProgramCache]: Analyzing trace with hash 34144978, now seen corresponding path program 1 times [2020-10-14 03:15:26,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:26,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080046322] [2020-10-14 03:15:26,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:26,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:27,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:27,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:28,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:30,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:31,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:31,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 03:15:31,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:15:31,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 03:15:31,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:31,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:31,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:31,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 03:15:31,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:15:31,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:32,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:32,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:32,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:32,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:32,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:32,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:15:32,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:32,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:32,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:32,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:32,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:32,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:32,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:32,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:15:32,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:32,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 03:15:32,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:32,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:32,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:32,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:32,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 03:15:32,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:15:32,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 03:15:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:32,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:32,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:32,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-14 03:15:32,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:32,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-14 03:15:32,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:32,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:32,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:32,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:15:32,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:15:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 212 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:15:32,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080046322] [2020-10-14 03:15:32,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:32,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:32,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762010134] [2020-10-14 03:15:32,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:32,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:32,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:32,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:32,667 INFO L87 Difference]: Start difference. First operand 2258 states and 2875 transitions. Second operand 7 states. [2020-10-14 03:15:36,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:36,874 INFO L93 Difference]: Finished difference Result 6050 states and 8026 transitions. [2020-10-14 03:15:36,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:15:36,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 265 [2020-10-14 03:15:36,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:36,899 INFO L225 Difference]: With dead ends: 6050 [2020-10-14 03:15:36,900 INFO L226 Difference]: Without dead ends: 3598 [2020-10-14 03:15:36,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:15:36,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2020-10-14 03:15:37,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 3594. [2020-10-14 03:15:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3594 states. [2020-10-14 03:15:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3594 states to 3594 states and 4566 transitions. [2020-10-14 03:15:37,070 INFO L78 Accepts]: Start accepts. Automaton has 3594 states and 4566 transitions. Word has length 265 [2020-10-14 03:15:37,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:37,071 INFO L479 AbstractCegarLoop]: Abstraction has 3594 states and 4566 transitions. [2020-10-14 03:15:37,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3594 states and 4566 transitions. [2020-10-14 03:15:37,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-10-14 03:15:37,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:37,089 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:37,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:15:37,090 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:37,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:37,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1113133299, now seen corresponding path program 1 times [2020-10-14 03:15:37,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:37,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113763340] [2020-10-14 03:15:37,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:37,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:37,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:38,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:38,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:42,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:42,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-14 03:15:42,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:15:42,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4966 [2020-10-14 03:15:42,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:42,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 03:15:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:15:42,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:15:42,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:42,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:42,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:42,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:42,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:42,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:15:42,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:42,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:42,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:42,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:42,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:42,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:42,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:42,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:42,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:42,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:15:42,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:42,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 03:15:42,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:42,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:42,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:42,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 03:15:42,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:42,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 03:15:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:42,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:42,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:42,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:42,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:42,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 03:15:42,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:42,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:42,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:15:42,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:15:42,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113763340] [2020-10-14 03:15:42,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:42,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:42,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995037520] [2020-10-14 03:15:42,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:42,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:42,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:42,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:42,920 INFO L87 Difference]: Start difference. First operand 3594 states and 4566 transitions. Second operand 7 states. [2020-10-14 03:15:45,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:45,049 INFO L93 Difference]: Finished difference Result 7942 states and 10421 transitions. [2020-10-14 03:15:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:15:45,051 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 270 [2020-10-14 03:15:45,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:45,078 INFO L225 Difference]: With dead ends: 7942 [2020-10-14 03:15:45,078 INFO L226 Difference]: Without dead ends: 4548 [2020-10-14 03:15:45,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:15:45,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4548 states. [2020-10-14 03:15:45,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4548 to 4356. [2020-10-14 03:15:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4356 states. [2020-10-14 03:15:45,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 4356 states and 5554 transitions. [2020-10-14 03:15:45,246 INFO L78 Accepts]: Start accepts. Automaton has 4356 states and 5554 transitions. Word has length 270 [2020-10-14 03:15:45,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:45,246 INFO L479 AbstractCegarLoop]: Abstraction has 4356 states and 5554 transitions. [2020-10-14 03:15:45,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 4356 states and 5554 transitions. [2020-10-14 03:15:45,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-14 03:15:45,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:45,261 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:45,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:15:45,262 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:45,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:45,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1400552885, now seen corresponding path program 1 times [2020-10-14 03:15:45,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:45,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710186855] [2020-10-14 03:15:45,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:45,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:45,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:45,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:47,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:48,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:49,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:49,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-14 03:15:49,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:15:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4300 [2020-10-14 03:15:49,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:49,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-14 03:15:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:15:49,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:49,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:49,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:49,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:49,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:49,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:15:49,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:49,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:49,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:49,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:49,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:49,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:15:49,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:49,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 03:15:49,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:49,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 03:15:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:49,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-14 03:15:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:49,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:49,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:49,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-14 03:15:49,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:49,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 03:15:49,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:49,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:49,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:49,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:49,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:15:49,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 220 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:15:49,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710186855] [2020-10-14 03:15:49,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:49,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:49,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983839555] [2020-10-14 03:15:49,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:49,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:49,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:50,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:50,000 INFO L87 Difference]: Start difference. First operand 4356 states and 5554 transitions. Second operand 7 states. [2020-10-14 03:15:51,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:51,924 INFO L93 Difference]: Finished difference Result 8720 states and 11529 transitions. [2020-10-14 03:15:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:15:51,925 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2020-10-14 03:15:51,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:51,949 INFO L225 Difference]: With dead ends: 8720 [2020-10-14 03:15:51,949 INFO L226 Difference]: Without dead ends: 5112 [2020-10-14 03:15:51,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:15:51,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5112 states. [2020-10-14 03:15:52,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5112 to 5106. [2020-10-14 03:15:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5106 states. [2020-10-14 03:15:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5106 states to 5106 states and 6525 transitions. [2020-10-14 03:15:52,098 INFO L78 Accepts]: Start accepts. Automaton has 5106 states and 6525 transitions. Word has length 310 [2020-10-14 03:15:52,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:52,098 INFO L479 AbstractCegarLoop]: Abstraction has 5106 states and 6525 transitions. [2020-10-14 03:15:52,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:52,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5106 states and 6525 transitions. [2020-10-14 03:15:52,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-14 03:15:52,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:52,116 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:15:52,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:15:52,117 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:52,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:52,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1224347942, now seen corresponding path program 1 times [2020-10-14 03:15:52,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:52,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1351699519] [2020-10-14 03:15:52,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:52,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:52,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:52,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:53,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:53,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:57,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:57,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 357 [2020-10-14 03:15:57,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:15:57,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 03:15:57,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:57,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 03:15:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 03:15:57,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:57,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:57,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:57,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:57,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:57,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:57,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:15:57,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:57,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:57,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:57,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:57,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:57,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:57,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:57,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:57,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:57,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 03:15:57,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:57,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 03:15:57,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:57,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:57,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:57,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:57,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 03:15:57,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:57,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 03:15:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:57,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:57,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:57,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:15:57,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:57,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 03:15:57,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:57,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:57,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 03:15:57,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:57,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-14 03:15:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:57,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:57,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:57,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:57,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:57,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:15:57,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:57,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 03:15:57,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:57,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 251 proven. 72 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 03:15:57,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1351699519] [2020-10-14 03:15:57,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:57,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:57,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387244178] [2020-10-14 03:15:57,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:57,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:57,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:57,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:57,715 INFO L87 Difference]: Start difference. First operand 5106 states and 6525 transitions. Second operand 7 states. [2020-10-14 03:15:59,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:59,930 INFO L93 Difference]: Finished difference Result 10096 states and 13418 transitions. [2020-10-14 03:15:59,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:15:59,931 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 343 [2020-10-14 03:15:59,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:59,972 INFO L225 Difference]: With dead ends: 10096 [2020-10-14 03:15:59,973 INFO L226 Difference]: Without dead ends: 5202 [2020-10-14 03:15:59,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:15:59,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5202 states. [2020-10-14 03:16:00,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5202 to 4540. [2020-10-14 03:16:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4540 states. [2020-10-14 03:16:00,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4540 states to 4540 states and 5767 transitions. [2020-10-14 03:16:00,171 INFO L78 Accepts]: Start accepts. Automaton has 4540 states and 5767 transitions. Word has length 343 [2020-10-14 03:16:00,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:00,172 INFO L479 AbstractCegarLoop]: Abstraction has 4540 states and 5767 transitions. [2020-10-14 03:16:00,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:16:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 4540 states and 5767 transitions. [2020-10-14 03:16:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-10-14 03:16:00,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:00,185 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:00,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:16:00,186 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:00,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:00,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1281198843, now seen corresponding path program 1 times [2020-10-14 03:16:00,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:00,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027574238] [2020-10-14 03:16:00,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:00,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:00,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:00,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:01,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:04,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:05,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:05,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-14 03:16:05,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:16:05,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 03:16:05,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:05,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:05,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:05,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 03:16:05,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:16:05,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:05,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:05,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:05,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:05,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:05,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:05,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:16:05,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:05,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:05,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:05,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:05,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:05,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:05,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 03:16:05,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 03:16:05,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:05,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 03:16:05,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:05,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 03:16:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:05,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:05,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:05,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:16:05,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:05,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 03:16:05,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:05,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:05,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:16:05,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:05,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 03:16:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:05,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:05,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:05,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 03:16:05,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:05,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:16:05,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:05,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:05,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:05,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 03:16:05,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:05,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 251 proven. 98 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 03:16:06,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027574238] [2020-10-14 03:16:06,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:06,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:16:06,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550285066] [2020-10-14 03:16:06,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:16:06,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:06,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:16:06,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:16:06,061 INFO L87 Difference]: Start difference. First operand 4540 states and 5767 transitions. Second operand 7 states. [2020-10-14 03:16:08,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:08,323 INFO L93 Difference]: Finished difference Result 8990 states and 11961 transitions. [2020-10-14 03:16:08,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:16:08,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 366 [2020-10-14 03:16:08,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:08,340 INFO L225 Difference]: With dead ends: 8990 [2020-10-14 03:16:08,340 INFO L226 Difference]: Without dead ends: 4786 [2020-10-14 03:16:08,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:16:08,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2020-10-14 03:16:08,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 4708. [2020-10-14 03:16:08,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4708 states. [2020-10-14 03:16:08,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4708 states to 4708 states and 5340 transitions. [2020-10-14 03:16:08,493 INFO L78 Accepts]: Start accepts. Automaton has 4708 states and 5340 transitions. Word has length 366 [2020-10-14 03:16:08,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:08,494 INFO L479 AbstractCegarLoop]: Abstraction has 4708 states and 5340 transitions. [2020-10-14 03:16:08,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:16:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 4708 states and 5340 transitions. [2020-10-14 03:16:08,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-10-14 03:16:08,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:08,506 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:08,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:16:08,506 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:08,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:08,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1396438731, now seen corresponding path program 1 times [2020-10-14 03:16:08,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:08,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049113328] [2020-10-14 03:16:08,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:08,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:08,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:08,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:10,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:11,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:13,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:13,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:13,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-10-14 03:16:13,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:16:13,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 03:16:13,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:13,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:13,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:13,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 03:16:13,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:16:13,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:13,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:13,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:13,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:13,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:13,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:13,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:13,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:13,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:13,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:13,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:13,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:13,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:13,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:13,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:13,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:16:13,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:13,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 03:16:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:13,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:13,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:13,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:13,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:16:13,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:13,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 03:16:13,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:13,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:16:13,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:13,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-14 03:16:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:14,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:14,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:14,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 03:16:14,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:14,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:16:14,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:14,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:14,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:14,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 03:16:14,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:14,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 291 proven. 98 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-14 03:16:14,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049113328] [2020-10-14 03:16:14,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:14,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:16:14,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922242267] [2020-10-14 03:16:14,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:16:14,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:14,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:16:14,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:16:14,158 INFO L87 Difference]: Start difference. First operand 4708 states and 5340 transitions. Second operand 7 states. [2020-10-14 03:16:15,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:15,836 INFO L93 Difference]: Finished difference Result 9890 states and 11596 transitions. [2020-10-14 03:16:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:16:15,837 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 406 [2020-10-14 03:16:15,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:15,856 INFO L225 Difference]: With dead ends: 9890 [2020-10-14 03:16:15,856 INFO L226 Difference]: Without dead ends: 5370 [2020-10-14 03:16:15,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:16:15,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5370 states. [2020-10-14 03:16:16,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5370 to 5278. [2020-10-14 03:16:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5278 states. [2020-10-14 03:16:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5278 states to 5278 states and 5925 transitions. [2020-10-14 03:16:16,035 INFO L78 Accepts]: Start accepts. Automaton has 5278 states and 5925 transitions. Word has length 406 [2020-10-14 03:16:16,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:16,036 INFO L479 AbstractCegarLoop]: Abstraction has 5278 states and 5925 transitions. [2020-10-14 03:16:16,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:16:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 5278 states and 5925 transitions. [2020-10-14 03:16:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2020-10-14 03:16:16,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:16,047 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-14 03:16:16,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:16:16,048 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:16,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:16,048 INFO L82 PathProgramCache]: Analyzing trace with hash 792818597, now seen corresponding path program 1 times [2020-10-14 03:16:16,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:16,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081460560] [2020-10-14 03:16:16,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:16,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:16,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:16,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:16,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:19,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:19,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:21,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:21,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 428 [2020-10-14 03:16:21,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:16:21,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-14 03:16:21,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:21,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:21,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:21,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 03:16:21,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:16:21,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:21,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:21,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:21,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:21,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:21,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:21,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:21,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:21,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:21,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:21,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:21,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:21,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:21,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:16:21,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:21,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:16:21,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:21,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:16:21,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:21,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 03:16:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:21,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:21,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:21,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:16:21,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:21,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 03:16:21,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:21,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:16:21,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:21,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-14 03:16:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:21,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:21,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:21,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 03:16:21,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:16:21,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:21,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 03:16:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 299 proven. 98 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-14 03:16:21,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081460560] [2020-10-14 03:16:21,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:21,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:16:21,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042647956] [2020-10-14 03:16:21,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:16:21,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:21,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:16:21,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:16:21,734 INFO L87 Difference]: Start difference. First operand 5278 states and 5925 transitions. Second operand 7 states. [2020-10-14 03:16:23,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:23,190 INFO L93 Difference]: Finished difference Result 9974 states and 11176 transitions. [2020-10-14 03:16:23,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:16:23,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 414 [2020-10-14 03:16:23,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:23,208 INFO L225 Difference]: With dead ends: 9974 [2020-10-14 03:16:23,208 INFO L226 Difference]: Without dead ends: 5282 [2020-10-14 03:16:23,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:16:23,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5282 states. [2020-10-14 03:16:23,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5282 to 5276. [2020-10-14 03:16:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5276 states. [2020-10-14 03:16:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5276 states to 5276 states and 5899 transitions. [2020-10-14 03:16:23,353 INFO L78 Accepts]: Start accepts. Automaton has 5276 states and 5899 transitions. Word has length 414 [2020-10-14 03:16:23,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:23,354 INFO L479 AbstractCegarLoop]: Abstraction has 5276 states and 5899 transitions. [2020-10-14 03:16:23,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:16:23,354 INFO L276 IsEmpty]: Start isEmpty. Operand 5276 states and 5899 transitions. [2020-10-14 03:16:23,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2020-10-14 03:16:23,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:23,372 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:23,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:16:23,372 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:23,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:23,373 INFO L82 PathProgramCache]: Analyzing trace with hash -2087873711, now seen corresponding path program 1 times [2020-10-14 03:16:23,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:23,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463849000] [2020-10-14 03:16:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:23,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:23,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:23,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:23,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:24,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:26,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:28,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:28,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 602 [2020-10-14 03:16:28,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:16:28,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 03:16:28,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:28,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-14 03:16:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:16:28,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:28,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:28,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:28,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:28,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:28,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:28,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:28,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:28,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:28,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:28,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:28,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:28,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:28,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:28,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:16:28,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:28,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:28,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:28,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:28,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:28,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:28,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:16:28,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:28,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 03:16:28,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:28,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:16:28,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:28,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 03:16:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:28,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:28,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:28,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:16:28,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 03:16:28,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:28,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:16:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-14 03:16:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:29,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:29,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:29,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 03:16:29,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:29,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 03:16:29,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:29,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:29,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:29,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 03:16:29,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:29,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 490 proven. 98 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2020-10-14 03:16:29,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463849000] [2020-10-14 03:16:29,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:29,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:16:29,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256655349] [2020-10-14 03:16:29,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:16:29,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:29,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:16:29,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:16:29,389 INFO L87 Difference]: Start difference. First operand 5276 states and 5899 transitions. Second operand 8 states. [2020-10-14 03:16:31,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:31,618 INFO L93 Difference]: Finished difference Result 11862 states and 13471 transitions. [2020-10-14 03:16:31,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:16:31,619 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 586 [2020-10-14 03:16:31,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:31,640 INFO L225 Difference]: With dead ends: 11862 [2020-10-14 03:16:31,641 INFO L226 Difference]: Without dead ends: 6940 [2020-10-14 03:16:31,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:16:31,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6940 states. [2020-10-14 03:16:31,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6940 to 6938. [2020-10-14 03:16:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6938 states. [2020-10-14 03:16:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6938 states to 6938 states and 7704 transitions. [2020-10-14 03:16:31,808 INFO L78 Accepts]: Start accepts. Automaton has 6938 states and 7704 transitions. Word has length 586 [2020-10-14 03:16:31,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:31,809 INFO L479 AbstractCegarLoop]: Abstraction has 6938 states and 7704 transitions. [2020-10-14 03:16:31,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:16:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand 6938 states and 7704 transitions. [2020-10-14 03:16:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2020-10-14 03:16:31,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:31,820 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:31,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:16:31,820 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:31,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:31,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1857021046, now seen corresponding path program 1 times [2020-10-14 03:16:31,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:31,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884819450] [2020-10-14 03:16:31,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:31,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:32,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:32,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:35,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:35,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:35,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:36,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:36,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 617 [2020-10-14 03:16:36,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 03:16:36,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 03:16:36,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:36,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 550 [2020-10-14 03:16:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 03:16:36,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:36,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:36,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:36,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:36,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:36,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:36,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:36,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:36,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:36,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:36,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:36,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:36,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:37,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:37,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:37,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:37,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:16:37,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:37,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:16:37,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:37,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:37,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:37,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:37,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-14 03:16:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:37,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:37,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:37,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:16:37,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:37,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 03:16:37,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:37,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:37,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:37,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:37,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-10-14 03:16:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:37,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:37,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:37,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:16:37,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:16:37,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:37,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:37,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:37,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:37,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:37,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:37,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-10-14 03:16:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:37,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:37,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:37,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 03:16:37,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:37,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 03:16:37,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:37,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-14 03:16:37,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 245 proven. 4 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2020-10-14 03:16:37,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884819450] [2020-10-14 03:16:37,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:37,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:16:37,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794324571] [2020-10-14 03:16:37,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:16:37,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:37,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:16:37,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:16:37,421 INFO L87 Difference]: Start difference. First operand 6938 states and 7704 transitions. Second operand 5 states. [2020-10-14 03:16:38,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:38,569 INFO L93 Difference]: Finished difference Result 13688 states and 15331 transitions. [2020-10-14 03:16:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:16:38,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 601 [2020-10-14 03:16:38,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:38,587 INFO L225 Difference]: With dead ends: 13688 [2020-10-14 03:16:38,587 INFO L226 Difference]: Without dead ends: 7304 [2020-10-14 03:16:38,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:16:38,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7304 states. [2020-10-14 03:16:38,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7304 to 7302. [2020-10-14 03:16:38,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7302 states. [2020-10-14 03:16:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7302 states to 7302 states and 8063 transitions. [2020-10-14 03:16:38,743 INFO L78 Accepts]: Start accepts. Automaton has 7302 states and 8063 transitions. Word has length 601 [2020-10-14 03:16:38,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:38,744 INFO L479 AbstractCegarLoop]: Abstraction has 7302 states and 8063 transitions. [2020-10-14 03:16:38,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:16:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 7302 states and 8063 transitions. [2020-10-14 03:16:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2020-10-14 03:16:38,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:38,754 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:38,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:16:38,755 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:38,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:38,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1582820966, now seen corresponding path program 1 times [2020-10-14 03:16:38,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:38,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245669837] [2020-10-14 03:16:38,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:38,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:38,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:39,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:39,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:43,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:43,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:43,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 647 [2020-10-14 03:16:43,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 03:16:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 03:16:43,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:43,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 449 [2020-10-14 03:16:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 03:16:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:43,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:43,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:43,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:43,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:43,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:43,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:43,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:43,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:43,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:43,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:43,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:43,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:43,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:43,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:16:43,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:43,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:16:43,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:43,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:43,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:43,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-14 03:16:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:43,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:43,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:43,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:16:43,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 03:16:43,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:43,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:44,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-10-14 03:16:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:44,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:44,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:44,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:16:44,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:16:44,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:44,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 03:16:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:44,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-10-14 03:16:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:44,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:44,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:44,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 03:16:44,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:44,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 03:16:44,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:44,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:44,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:44,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-14 03:16:44,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 612 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-10-14 03:16:44,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245669837] [2020-10-14 03:16:44,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:44,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:16:44,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072393451] [2020-10-14 03:16:44,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:16:44,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:44,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:16:44,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:16:44,433 INFO L87 Difference]: Start difference. First operand 7302 states and 8063 transitions. Second operand 7 states. [2020-10-14 03:16:45,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:45,827 INFO L93 Difference]: Finished difference Result 14584 states and 16134 transitions. [2020-10-14 03:16:45,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:16:45,828 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 631 [2020-10-14 03:16:45,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:45,841 INFO L225 Difference]: With dead ends: 14584 [2020-10-14 03:16:45,841 INFO L226 Difference]: Without dead ends: 7864 [2020-10-14 03:16:45,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:16:45,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7864 states. [2020-10-14 03:16:45,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7864 to 7862. [2020-10-14 03:16:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7862 states. [2020-10-14 03:16:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7862 states to 7862 states and 8627 transitions. [2020-10-14 03:16:45,985 INFO L78 Accepts]: Start accepts. Automaton has 7862 states and 8627 transitions. Word has length 631 [2020-10-14 03:16:45,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:45,985 INFO L479 AbstractCegarLoop]: Abstraction has 7862 states and 8627 transitions. [2020-10-14 03:16:45,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:16:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 7862 states and 8627 transitions. [2020-10-14 03:16:45,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2020-10-14 03:16:45,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:45,997 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:16:45,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 03:16:45,998 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:45,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:45,998 INFO L82 PathProgramCache]: Analyzing trace with hash 747943682, now seen corresponding path program 1 times [2020-10-14 03:16:45,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:45,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126542388] [2020-10-14 03:16:45,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:46,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:46,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:46,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:46,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:47,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:49,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:50,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 709 [2020-10-14 03:16:51,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 03:16:51,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 03:16:51,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:51,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:16:51,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 03:16:51,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:51,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:16:51,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:51,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:51,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:51,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:16:51,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:51,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:51,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:16:51,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:16:51,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:16:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:16:51,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:16:51,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:51,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:16:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:16:51,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 03:16:51,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:16:51,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:16:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 03:16:51,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 03:16:51,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-14 03:16:51,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 768 proven. 2 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-10-14 03:16:51,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126542388] [2020-10-14 03:16:51,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:51,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:16:51,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321529528] [2020-10-14 03:16:51,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:16:51,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:51,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:16:51,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:16:51,978 INFO L87 Difference]: Start difference. First operand 7862 states and 8627 transitions. Second operand 7 states. [2020-10-14 03:16:53,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:53,200 INFO L93 Difference]: Finished difference Result 13588 states and 14769 transitions. [2020-10-14 03:16:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:16:53,204 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 691 [2020-10-14 03:16:53,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:53,216 INFO L225 Difference]: With dead ends: 13588 [2020-10-14 03:16:53,216 INFO L226 Difference]: Without dead ends: 6124 [2020-10-14 03:16:53,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:16:53,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6124 states. [2020-10-14 03:16:53,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6124 to 4998. [2020-10-14 03:16:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4998 states. [2020-10-14 03:16:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4998 states to 4998 states and 5271 transitions. [2020-10-14 03:16:53,322 INFO L78 Accepts]: Start accepts. Automaton has 4998 states and 5271 transitions. Word has length 691 [2020-10-14 03:16:53,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:53,324 INFO L479 AbstractCegarLoop]: Abstraction has 4998 states and 5271 transitions. [2020-10-14 03:16:53,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:16:53,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4998 states and 5271 transitions. [2020-10-14 03:16:53,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 871 [2020-10-14 03:16:53,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:53,344 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:53,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 03:16:53,344 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:53,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:53,345 INFO L82 PathProgramCache]: Analyzing trace with hash -2036218259, now seen corresponding path program 1 times [2020-10-14 03:16:53,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:53,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831193418] [2020-10-14 03:16:53,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:53,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:53,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:53,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:58,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:58,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 890 [2020-10-14 03:16:58,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:16:58,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-14 03:16:58,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:58,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:16:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:16:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:58,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:58,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:58,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:58,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:58,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:58,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:58,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:58,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:58,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:58,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:58,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:58,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:58,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:58,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:58,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:58,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:58,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:58,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:16:58,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:58,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:58,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:58,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:58,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:58,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:58,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:16:58,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:16:58,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:58,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:58,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:16:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:58,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:58,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:58,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:16:58,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:58,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:16:58,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:58,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:58,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:58,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:16:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:58,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:58,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:16:58,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:58,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 03:16:58,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:58,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:16:58,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:58,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:16:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:58,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:59,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:59,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:16:59,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:59,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 03:16:59,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:59,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:16:59,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:59,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 03:16:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:59,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:59,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:59,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 03:16:59,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:59,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 03:16:59,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:59,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-14 03:16:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:59,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 874 proven. 128 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2020-10-14 03:16:59,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831193418] [2020-10-14 03:16:59,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:59,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:16:59,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219063763] [2020-10-14 03:16:59,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:16:59,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:59,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:16:59,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:16:59,567 INFO L87 Difference]: Start difference. First operand 4998 states and 5271 transitions. Second operand 7 states. [2020-10-14 03:17:00,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:00,951 INFO L93 Difference]: Finished difference Result 10182 states and 10734 transitions. [2020-10-14 03:17:00,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:17:00,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 870 [2020-10-14 03:17:00,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:00,961 INFO L225 Difference]: With dead ends: 10182 [2020-10-14 03:17:00,961 INFO L226 Difference]: Without dead ends: 5372 [2020-10-14 03:17:00,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:17:00,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5372 states. [2020-10-14 03:17:01,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5372 to 5180. [2020-10-14 03:17:01,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5180 states. [2020-10-14 03:17:01,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5180 states to 5180 states and 5453 transitions. [2020-10-14 03:17:01,046 INFO L78 Accepts]: Start accepts. Automaton has 5180 states and 5453 transitions. Word has length 870 [2020-10-14 03:17:01,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:01,047 INFO L479 AbstractCegarLoop]: Abstraction has 5180 states and 5453 transitions. [2020-10-14 03:17:01,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:17:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5180 states and 5453 transitions. [2020-10-14 03:17:01,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2020-10-14 03:17:01,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:01,062 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:01,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 03:17:01,062 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:01,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:01,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1944570567, now seen corresponding path program 1 times [2020-10-14 03:17:01,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:01,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501830195] [2020-10-14 03:17:01,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:01,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:03,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:06,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:06,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 986 [2020-10-14 03:17:06,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:17:06,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 03:17:06,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:06,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:06,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:06,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 03:17:06,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:17:06,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:06,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:06,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:06,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:06,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:06,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:06,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:17:06,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:06,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:06,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:06,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:06,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:06,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:06,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:06,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:17:06,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:17:06,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:06,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:06,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:17:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:06,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:06,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:06,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:17:06,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:06,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:17:06,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:06,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:06,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:06,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:17:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:06,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:06,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:06,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:17:06,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:06,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 03:17:06,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:06,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:06,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:06,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:06,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 03:17:06,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:06,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:17:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:06,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:06,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:06,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:17:06,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 03:17:06,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:06,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:17:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:17:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:06,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 03:17:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:06,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:06,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:06,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:17:06,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:06,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:17:06,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:06,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:17:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:06,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:06,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 03:17:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:06,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:06,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:06,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:17:06,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:17:06,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:06,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:17:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:06,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:06,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 03:17:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:06,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:06,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:06,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 03:17:06,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:06,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 03:17:06,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:06,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-14 03:17:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:06,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:07,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2647 backedges. 793 proven. 375 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2020-10-14 03:17:07,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501830195] [2020-10-14 03:17:07,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:07,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:17:07,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961523541] [2020-10-14 03:17:07,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:17:07,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:07,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:17:07,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:17:07,423 INFO L87 Difference]: Start difference. First operand 5180 states and 5453 transitions. Second operand 7 states. [2020-10-14 03:17:08,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:08,852 INFO L93 Difference]: Finished difference Result 10360 states and 10943 transitions. [2020-10-14 03:17:08,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:17:08,853 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 964 [2020-10-14 03:17:08,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:08,865 INFO L225 Difference]: With dead ends: 10360 [2020-10-14 03:17:08,865 INFO L226 Difference]: Without dead ends: 5368 [2020-10-14 03:17:08,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:17:08,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5368 states. [2020-10-14 03:17:08,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5368 to 5362. [2020-10-14 03:17:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5362 states. [2020-10-14 03:17:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5362 states to 5362 states and 5614 transitions. [2020-10-14 03:17:08,944 INFO L78 Accepts]: Start accepts. Automaton has 5362 states and 5614 transitions. Word has length 964 [2020-10-14 03:17:08,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:08,945 INFO L479 AbstractCegarLoop]: Abstraction has 5362 states and 5614 transitions. [2020-10-14 03:17:08,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:17:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5362 states and 5614 transitions. [2020-10-14 03:17:08,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1046 [2020-10-14 03:17:08,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:08,958 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:08,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 03:17:08,958 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:08,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:08,959 INFO L82 PathProgramCache]: Analyzing trace with hash -990779966, now seen corresponding path program 1 times [2020-10-14 03:17:08,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:08,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164172582] [2020-10-14 03:17:08,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:09,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:09,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:10,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:14,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:14,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1069 [2020-10-14 03:17:14,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:17:14,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 03:17:14,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:14,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1002 [2020-10-14 03:17:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 03:17:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:14,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:14,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:14,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:14,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:14,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:14,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:17:14,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:14,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:14,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:14,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:14,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:14,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:14,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:14,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:14,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:17:14,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:14,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:17:14,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:14,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:14,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:14,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:17:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:14,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:14,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:14,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:17:14,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:14,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:17:14,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:14,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:14,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:14,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:14,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:14,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:14,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:17:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:14,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:14,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:14,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:17:14,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:17:14,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:14,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:14,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:17:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:14,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:14,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:14,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:17:14,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:14,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:17:14,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:14,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:14,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:14,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:14,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:14,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:17:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:14,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:14,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:14,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:17:14,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:14,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:17:14,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:14,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:14,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:17:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:14,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:14,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:14,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:17:14,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:17:14,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:14,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:14,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:17:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:14,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:14,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:14,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:17:14,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:14,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:17:14,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:14,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:14,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:14,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:14,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:14,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:14,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:17:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:14,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:14,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:14,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 03:17:14,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:14,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 03:17:14,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:14,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-14 03:17:14,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3269 backedges. 493 proven. 8 refuted. 0 times theorem prover too weak. 2768 trivial. 0 not checked. [2020-10-14 03:17:15,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164172582] [2020-10-14 03:17:15,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:15,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:15,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874686556] [2020-10-14 03:17:15,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:15,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:15,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:15,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:15,115 INFO L87 Difference]: Start difference. First operand 5362 states and 5614 transitions. Second operand 5 states. [2020-10-14 03:17:16,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:16,141 INFO L93 Difference]: Finished difference Result 10538 states and 11042 transitions. [2020-10-14 03:17:16,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:16,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1045 [2020-10-14 03:17:16,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:16,143 INFO L225 Difference]: With dead ends: 10538 [2020-10-14 03:17:16,143 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:17:16,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:17:16,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:17:16,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:17:16,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:17:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:17:16,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1045 [2020-10-14 03:17:16,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:16,157 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:17:16,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:16,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:17:16,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:17:16,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 03:17:16,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:17:17,398 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 177 [2020-10-14 03:17:17,737 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 177 [2020-10-14 03:17:19,460 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 240 DAG size of output: 103 [2020-10-14 03:17:20,340 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 67 [2020-10-14 03:17:21,180 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 67 [2020-10-14 03:17:21,184 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:17:21,185 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:17:21,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:17:21,186 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:17:21,186 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:17:21,186 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,186 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,186 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,187 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:17:21,187 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:17:21,187 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:17:21,187 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:17:21,187 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:17:21,187 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:17:21,187 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:17:21,187 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:17:21,188 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,189 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,189 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,189 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:17:21,189 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:17:21,189 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:17:21,189 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:17:21,189 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:17:21,189 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:17:21,189 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:17:21,189 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:17:21,190 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:17:21,190 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,190 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,190 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,190 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:17:21,190 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:17:21,190 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:17:21,190 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:17:21,190 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:17:21,191 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:17:21,191 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:17:21,191 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,191 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,191 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,191 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:17:21,191 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:17:21,191 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:17:21,191 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:17:21,191 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:17:21,192 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:17:21,193 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:17:21,193 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:17:21,193 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:17:21,193 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:17:21,193 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,193 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,193 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,193 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:17:21,193 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:17:21,194 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:17:21,195 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:17:21,195 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse26 (= ~a21~0 9)) (.cse27 (= ~a21~0 |old(~a21~0)|)) (.cse22 (= ~a15~0 |old(~a15~0)|)) (.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse25 (= ~a15~0 8)) (.cse4 (= ~a12~0 |old(~a12~0)|)) (.cse28 (= 7 ~a21~0))) (let ((.cse13 (not (<= |old(~a12~0)| 10))) (.cse14 (not (<= 0 (+ |old(~a12~0)| 41)))) (.cse11 (and .cse2 .cse25 .cse4 .cse28)) (.cse9 (not (<= (+ |old(~a12~0)| 43) 0))) (.cse17 (not (<= 7 |old(~a15~0)|))) (.cse1 (= 5 ~a15~0)) (.cse3 (= ~a21~0 6)) (.cse21 (= ~a24~0 1)) (.cse20 (not (= |old(~a24~0)| 1))) (.cse5 (not (= 6 |old(~a21~0)|))) (.cse6 (not (= 5 |old(~a15~0)|))) (.cse15 (and .cse2 (= ~a21~0 8) .cse4 .cse22)) (.cse16 (not (= 8 |old(~a21~0)|))) (.cse18 (not (= 10 |old(~a21~0)|))) (.cse12 (not (= 8 |old(~a15~0)|))) (.cse19 (and .cse2 .cse27 .cse4 .cse22)) (.cse10 (not (= 7 |old(~a21~0)|))) (.cse24 (and .cse2 .cse4 .cse28 .cse22)) (.cse0 (not (<= |old(~a12~0)| 72))) (.cse7 (and .cse2 .cse26 .cse4 .cse22)) (.cse23 (not (<= 12 |old(~a12~0)|))) (.cse8 (not (= 9 |old(~a21~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse12 .cse13 .cse14) (or .cse15 .cse16 .cse17) (or .cse18 .cse19 .cse13 .cse14) (or .cse10 .cse11 .cse12 .cse9) (or .cse20 (and .cse3 .cse21 .cse4 .cse22) .cse23 .cse5 .cse17) (or .cse10 .cse24 (not (<= 80 |old(~a12~0)|))) (or (and .cse1 .cse3 .cse21 .cse4) .cse20 .cse5 .cse6) (or .cse15 .cse16 .cse23) (or .cse18 (not (<= 9 |old(~a15~0)|)) .cse19) (or .cse19 (not (= 7 |old(~a15~0)|))) (or .cse12 .cse8 (and .cse2 .cse25 .cse26 .cse4)) (or .cse18 .cse19 .cse23) (or .cse18 .cse12 (and .cse2 .cse27 .cse25 .cse4)) (or (not (= 6 |old(~a15~0)|)) .cse19) (or .cse10 .cse24 .cse0 .cse23) (or .cse7 .cse23 .cse8)))) [2020-10-14 03:17:21,195 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:17:21,195 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:17:21,195 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,195 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,195 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:17:21,196 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:17:21,197 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,198 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:17:21,199 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,200 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:17:21,201 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:17:21,202 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,203 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:17:21,204 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:17:21,205 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (<= (+ ~a12~0 43) 0) (= 7 ~a21~0)) [2020-10-14 03:17:21,206 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:17:21,206 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:17:21,206 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 43) 0))) [2020-10-14 03:17:21,206 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:17:21,206 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~a12~0 41))) (.cse1 (<= ~a12~0 10)) (.cse12 (= ~a21~0 10)) (.cse9 (<= 7 ~a15~0)) (.cse5 (<= ~a12~0 72)) (.cse6 (= ~a15~0 8)) (.cse2 (= 7 ~a21~0)) (.cse7 (= ~a21~0 9)) (.cse3 (= 5 ~a15~0)) (.cse4 (= ~a21~0 6)) (.cse11 (= ~a24~0 1)) (.cse8 (<= 12 ~a12~0)) (.cse10 (= ~a21~0 8))) (or (and .cse0 .cse1 .cse2 (= ~a15~0 |old(~a15~0)|)) (and .cse3 .cse4 .cse5) (not (= 8 |old(~a15~0)|)) (and .cse6 .cse7) (and .cse8 .cse7) (and .cse9 .cse10) (= ~a15~0 6) (and (<= 80 ~a12~0) .cse2) (and .cse8 .cse9 .cse4 .cse11) (and .cse8 .cse12) (not (= 7 |old(~a21~0)|)) (= 7 ~a15~0) (and .cse0 .cse1 .cse12) (and .cse12 .cse9) (and .cse8 .cse5 .cse2) (and (= ~a24~0 |old(~a24~0)|) .cse6 (= ~a12~0 |old(~a12~0)|) .cse2) (and (<= (+ ~a12~0 43) 0) .cse7) (and .cse3 .cse4 .cse11) (not (<= (+ |old(~a12~0)| 43) 0)) (and .cse8 .cse10))) [2020-10-14 03:17:21,206 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:17:21,207 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:17:21,207 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~a12~0 41))) (.cse1 (<= ~a12~0 10)) (.cse12 (= ~a21~0 10)) (.cse9 (<= 7 ~a15~0)) (.cse5 (<= ~a12~0 72)) (.cse6 (= ~a15~0 8)) (.cse2 (= 7 ~a21~0)) (.cse7 (= ~a21~0 9)) (.cse3 (= 5 ~a15~0)) (.cse4 (= ~a21~0 6)) (.cse11 (= ~a24~0 1)) (.cse8 (<= 12 ~a12~0)) (.cse10 (= ~a21~0 8))) (or (and .cse0 .cse1 .cse2 (= ~a15~0 |old(~a15~0)|)) (and .cse3 .cse4 .cse5) (not (= 8 |old(~a15~0)|)) (and .cse6 .cse7) (and .cse8 .cse7) (and .cse9 .cse10) (= ~a15~0 6) (and (<= 80 ~a12~0) .cse2) (and .cse8 .cse9 .cse4 .cse11) (and .cse8 .cse12) (not (= 7 |old(~a21~0)|)) (= 7 ~a15~0) (and .cse0 .cse1 .cse12) (and .cse12 .cse9) (and .cse8 .cse5 .cse2) (and (= ~a24~0 |old(~a24~0)|) .cse6 (= ~a12~0 |old(~a12~0)|) .cse2) (and (<= (+ ~a12~0 43) 0) .cse7) (and .cse3 .cse4 .cse11) (not (<= (+ |old(~a12~0)| 43) 0)) (and .cse8 .cse10))) [2020-10-14 03:17:21,207 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:17:21,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:17:21 BoogieIcfgContainer [2020-10-14 03:17:21,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:17:21,233 INFO L168 Benchmark]: Toolchain (without parser) took 152960.88 ms. Allocated memory was 145.8 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 99.8 MB in the beginning and 657.7 MB in the end (delta: -557.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-10-14 03:17:21,233 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 03:17:21,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 961.34 ms. Allocated memory was 145.8 MB in the beginning and 206.6 MB in the end (delta: 60.8 MB). Free memory was 99.4 MB in the beginning and 170.0 MB in the end (delta: -70.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:21,235 INFO L168 Benchmark]: Boogie Preprocessor took 162.46 ms. Allocated memory is still 206.6 MB. Free memory was 170.0 MB in the beginning and 163.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:21,235 INFO L168 Benchmark]: RCFGBuilder took 1870.83 ms. Allocated memory was 206.6 MB in the beginning and 239.6 MB in the end (delta: 33.0 MB). Free memory was 163.8 MB in the beginning and 159.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:21,236 INFO L168 Benchmark]: TraceAbstraction took 149956.78 ms. Allocated memory was 239.6 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 159.0 MB in the beginning and 657.7 MB in the end (delta: -498.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-10-14 03:17:21,240 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 961.34 ms. Allocated memory was 145.8 MB in the beginning and 206.6 MB in the end (delta: 60.8 MB). Free memory was 99.4 MB in the beginning and 170.0 MB in the end (delta: -70.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 162.46 ms. Allocated memory is still 206.6 MB. Free memory was 170.0 MB in the beginning and 163.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1870.83 ms. Allocated memory was 206.6 MB in the beginning and 239.6 MB in the end (delta: 33.0 MB). Free memory was 163.8 MB in the beginning and 159.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 149956.78 ms. Allocated memory was 239.6 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 159.0 MB in the beginning and 657.7 MB in the end (delta: -498.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 880]: Loop Invariant Derived loop invariant: (((((((((((((((((((((0 <= a12 + 41 && a12 <= 10) && 7 == a21) && a15 == \old(a15)) || ((5 == a15 && a21 == 6) && a12 <= 72)) || !(8 == \old(a15))) || (a15 == 8 && a21 == 9)) || (12 <= a12 && a21 == 9)) || (7 <= a15 && a21 == 8)) || a15 == 6) || (80 <= a12 && 7 == a21)) || (((12 <= a12 && 7 <= a15) && a21 == 6) && a24 == 1)) || (12 <= a12 && a21 == 10)) || !(7 == \old(a21))) || 7 == a15) || ((0 <= a12 + 41 && a12 <= 10) && a21 == 10)) || (a21 == 10 && 7 <= a15)) || ((12 <= a12 && a12 <= 72) && 7 == a21)) || (((a24 == \old(a24) && a15 == 8) && a12 == \old(a12)) && 7 == a21)) || (a12 + 43 <= 0 && a21 == 9)) || ((5 == a15 && a21 == 6) && a24 == 1)) || !(\old(a12) + 43 <= 0)) || (12 <= a12 && a21 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 144.8s, OverallIterations: 21, TraceHistogramMax: 9, AutomataDifference: 41.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 649 SDtfs, 10958 SDslu, 769 SDs, 0 SdLazy, 23738 SolverSat, 2387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 230 SyntacticMatches, 6 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7862occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 3618 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 609 PreInvPairs, 697 NumberOfFragments, 829 HoareAnnotationTreeSize, 609 FomulaSimplifications, 324371 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8543 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 95.9s InterpolantComputationTime, 8901 NumberOfCodeBlocks, 8901 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 8880 ConstructedInterpolants, 0 QuantifiedInterpolants, 11320248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 1 PerfectInterpolantSequences, 14284/15281 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...