/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:41:39,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:41:39,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:41:39,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:41:39,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:41:39,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:41:39,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:41:39,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:41:39,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:41:39,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:41:39,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:41:39,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:41:39,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:41:39,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:41:39,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:41:39,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:41:39,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:41:39,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:41:39,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:41:39,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:41:39,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:41:39,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:41:39,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:41:39,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:41:39,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:41:39,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:41:39,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:41:39,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:41:39,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:41:39,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:41:39,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:41:39,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:41:39,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:41:39,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:41:39,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:41:39,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:41:39,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:41:39,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:41:39,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:41:39,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:41:39,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:41:39,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 21:41:39,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:41:39,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:41:39,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:41:39,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:41:39,870 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:41:39,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:41:39,870 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:41:39,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:41:39,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:41:39,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:41:39,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:41:39,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:41:39,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:41:39,872 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:41:39,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:41:39,872 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:41:39,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:41:39,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:41:39,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:41:39,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:41:39,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:41:39,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:41:39,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:41:39,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:41:39,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:41:39,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:41:39,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:41:39,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:41:39,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:41:39,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:41:40,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:41:40,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:41:40,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:41:40,217 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:41:40,217 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:41:40,218 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label16.c [2020-10-14 21:41:40,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b7f6b3cc/53f7029946aa43bcb065843e07975a14/FLAGe3c6eb10f [2020-10-14 21:41:40,922 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:41:40,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label16.c [2020-10-14 21:41:40,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b7f6b3cc/53f7029946aa43bcb065843e07975a14/FLAGe3c6eb10f [2020-10-14 21:41:41,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b7f6b3cc/53f7029946aa43bcb065843e07975a14 [2020-10-14 21:41:41,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:41:41,148 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:41:41,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:41:41,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:41:41,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:41:41,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:41:41" (1/1) ... [2020-10-14 21:41:41,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c30f9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:41, skipping insertion in model container [2020-10-14 21:41:41,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:41:41" (1/1) ... [2020-10-14 21:41:41,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:41:41,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:41:41,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:41:41,879 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:41:42,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:41:42,048 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:41:42,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:42 WrapperNode [2020-10-14 21:41:42,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:41:42,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:41:42,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:41:42,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:41:42,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:42" (1/1) ... [2020-10-14 21:41:42,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:42" (1/1) ... [2020-10-14 21:41:42,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:42" (1/1) ... [2020-10-14 21:41:42,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:42" (1/1) ... [2020-10-14 21:41:42,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:42" (1/1) ... [2020-10-14 21:41:42,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:42" (1/1) ... [2020-10-14 21:41:42,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:42" (1/1) ... [2020-10-14 21:41:42,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:41:42,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:41:42,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:41:42,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:41:42,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:41:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:41:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:41:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:41:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:41:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:41:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:41:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:41:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:41:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:41:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:41:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:41:43,804 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:41:43,804 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:41:43,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:41:43 BoogieIcfgContainer [2020-10-14 21:41:43,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:41:43,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:41:43,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:41:43,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:41:43,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:41:41" (1/3) ... [2020-10-14 21:41:43,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b7bbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:41:43, skipping insertion in model container [2020-10-14 21:41:43,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:42" (2/3) ... [2020-10-14 21:41:43,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b7bbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:41:43, skipping insertion in model container [2020-10-14 21:41:43,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:41:43" (3/3) ... [2020-10-14 21:41:43,827 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label16.c [2020-10-14 21:41:43,838 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:41:43,847 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:41:43,862 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:41:43,891 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:41:43,892 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:41:43,892 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:41:43,892 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:41:43,892 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:41:43,892 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:41:43,893 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:41:43,893 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:41:43,924 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:41:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 21:41:43,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:41:43,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:41:43,935 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:41:43,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:41:43,943 INFO L82 PathProgramCache]: Analyzing trace with hash 27238371, now seen corresponding path program 1 times [2020-10-14 21:41:43,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:41:43,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647201878] [2020-10-14 21:41:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:41:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:44,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:44,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:44,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 21:41:44,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:44,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-14 21:41:44,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:44,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:41:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:41:44,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 21:41:44,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 21:41:44,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:41:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:44,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:44,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:41:44,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:44,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:41:44,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:44,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:44,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:41:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:41:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:41:44,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:41:44,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647201878] [2020-10-14 21:41:44,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:41:44,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 21:41:44,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813116956] [2020-10-14 21:41:44,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:41:44,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:41:44,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:41:44,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:41:44,782 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-14 21:41:47,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:41:47,728 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-10-14 21:41:47,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:41:47,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-14 21:41:47,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:41:47,772 INFO L225 Difference]: With dead ends: 886 [2020-10-14 21:41:47,772 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 21:41:47,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:41:47,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 21:41:47,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 21:41:47,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 21:41:47,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 855 transitions. [2020-10-14 21:41:47,895 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 855 transitions. Word has length 52 [2020-10-14 21:41:47,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:41:47,896 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 855 transitions. [2020-10-14 21:41:47,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:41:47,896 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 855 transitions. [2020-10-14 21:41:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 21:41:47,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:41:47,902 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:41:47,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:41:47,903 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:41:47,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:41:47,904 INFO L82 PathProgramCache]: Analyzing trace with hash 492828333, now seen corresponding path program 1 times [2020-10-14 21:41:47,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:41:47,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206567140] [2020-10-14 21:41:47,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:41:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:47,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:48,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:48,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:49,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:49,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:41:49,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:41:49,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1078 [2020-10-14 21:41:49,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:49,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:49,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:41:49,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:41:49,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:41:49,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:41:49,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:41:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:49,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:49,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:49,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:41:49,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:41:49,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:49,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:41:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:41:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:41:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:49,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:41:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:49,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:49,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:49,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:41:49,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:49,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 21:41:49,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:49,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:41:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:41:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 21:41:49,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:49,333 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:41:49,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206567140] [2020-10-14 21:41:49,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:41:49,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:41:49,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256335931] [2020-10-14 21:41:49,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:41:49,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:41:49,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:41:49,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:41:49,338 INFO L87 Difference]: Start difference. First operand 560 states and 855 transitions. Second operand 7 states. [2020-10-14 21:41:51,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:41:51,364 INFO L93 Difference]: Finished difference Result 1700 states and 2664 transitions. [2020-10-14 21:41:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:41:51,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-10-14 21:41:51,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:41:51,373 INFO L225 Difference]: With dead ends: 1700 [2020-10-14 21:41:51,374 INFO L226 Difference]: Without dead ends: 1146 [2020-10-14 21:41:51,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:41:51,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2020-10-14 21:41:51,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 940. [2020-10-14 21:41:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2020-10-14 21:41:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1362 transitions. [2020-10-14 21:41:51,432 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1362 transitions. Word has length 121 [2020-10-14 21:41:51,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:41:51,433 INFO L479 AbstractCegarLoop]: Abstraction has 940 states and 1362 transitions. [2020-10-14 21:41:51,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:41:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1362 transitions. [2020-10-14 21:41:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 21:41:51,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:41:51,439 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:41:51,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:41:51,440 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:41:51,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:41:51,440 INFO L82 PathProgramCache]: Analyzing trace with hash -179192302, now seen corresponding path program 1 times [2020-10-14 21:41:51,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:41:51,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925518410] [2020-10-14 21:41:51,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:41:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:51,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:51,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:51,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:52,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:54,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:56,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:56,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-14 21:41:56,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:41:56,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4557 [2020-10-14 21:41:56,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:56,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:56,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:41:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 21:41:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:41:56,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:56,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:41:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:56,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:56,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:56,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:41:56,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:56,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:41:56,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:56,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:56,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:41:56,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:41:56,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:41:56,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:56,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:41:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:56,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:56,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:56,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:41:56,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:56,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 21:41:56,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:56,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:56,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:41:56,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:41:56,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:41:56,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:56,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 21:41:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:56,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:56,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:56,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:41:56,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:56,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 21:41:56,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:56,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:56,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:41:56,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:41:56,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:41:56,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 159 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:41:56,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925518410] [2020-10-14 21:41:56,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:41:56,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:41:56,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511463449] [2020-10-14 21:41:56,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:41:56,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:41:56,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:41:56,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:41:56,611 INFO L87 Difference]: Start difference. First operand 940 states and 1362 transitions. Second operand 7 states. [2020-10-14 21:41:58,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:41:58,615 INFO L93 Difference]: Finished difference Result 2266 states and 3254 transitions. [2020-10-14 21:41:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:41:58,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-10-14 21:41:58,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:41:58,625 INFO L225 Difference]: With dead ends: 2266 [2020-10-14 21:41:58,625 INFO L226 Difference]: Without dead ends: 1332 [2020-10-14 21:41:58,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:41:58,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2020-10-14 21:41:58,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1318. [2020-10-14 21:41:58,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1318 states. [2020-10-14 21:41:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1823 transitions. [2020-10-14 21:41:58,701 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1823 transitions. Word has length 207 [2020-10-14 21:41:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:41:58,705 INFO L479 AbstractCegarLoop]: Abstraction has 1318 states and 1823 transitions. [2020-10-14 21:41:58,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:41:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1823 transitions. [2020-10-14 21:41:58,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 21:41:58,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:41:58,711 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:41:58,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:41:58,714 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:41:58,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:41:58,721 INFO L82 PathProgramCache]: Analyzing trace with hash -127262699, now seen corresponding path program 1 times [2020-10-14 21:41:58,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:41:58,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21001360] [2020-10-14 21:41:58,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:41:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:58,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:58,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:58,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:59,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:00,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:01,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:02,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:02,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 21:42:02,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:42:02,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3896 [2020-10-14 21:42:02,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:02,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:42:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 21:42:02,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-14 21:42:02,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:02,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:02,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:02,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:02,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:02,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:02,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:42:02,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:02,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:02,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:02,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:02,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:02,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:02,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:02,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:02,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:42:02,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:02,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:42:02,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:02,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:42:02,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:02,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 21:42:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:02,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:02,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:03,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:03,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:42:03,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:42:03,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-14 21:42:03,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:03,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:42:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 112 proven. 45 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:42:03,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21001360] [2020-10-14 21:42:03,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:03,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:42:03,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235679398] [2020-10-14 21:42:03,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:42:03,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:03,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:42:03,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:42:03,136 INFO L87 Difference]: Start difference. First operand 1318 states and 1823 transitions. Second operand 6 states. [2020-10-14 21:42:04,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:04,833 INFO L93 Difference]: Finished difference Result 2868 states and 4073 transitions. [2020-10-14 21:42:04,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:42:04,834 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2020-10-14 21:42:04,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:04,847 INFO L225 Difference]: With dead ends: 2868 [2020-10-14 21:42:04,848 INFO L226 Difference]: Without dead ends: 1556 [2020-10-14 21:42:04,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:42:04,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2020-10-14 21:42:04,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1510. [2020-10-14 21:42:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1510 states. [2020-10-14 21:42:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2043 transitions. [2020-10-14 21:42:04,905 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2043 transitions. Word has length 218 [2020-10-14 21:42:04,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:04,906 INFO L479 AbstractCegarLoop]: Abstraction has 1510 states and 2043 transitions. [2020-10-14 21:42:04,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:42:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2043 transitions. [2020-10-14 21:42:04,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-14 21:42:04,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:04,911 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:04,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:42:04,911 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:04,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:04,912 INFO L82 PathProgramCache]: Analyzing trace with hash 630795096, now seen corresponding path program 1 times [2020-10-14 21:42:04,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:04,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792415736] [2020-10-14 21:42:04,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:04,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:04,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:05,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:05,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:07,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:09,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:09,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 21:42:09,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:42:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 21:42:09,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:09,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:42:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 21:42:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-14 21:42:09,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:10,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:10,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:10,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:10,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:10,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:10,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:42:10,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:10,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:10,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:10,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:10,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:10,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:10,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:42:10,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:10,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 21:42:10,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:10,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:42:10,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:10,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 21:42:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:10,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:10,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:10,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:10,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:10,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:10,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:42:10,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:42:10,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 395 [2020-10-14 21:42:10,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:10,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 21:42:10,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 88 proven. 8 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-14 21:42:10,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1792415736] [2020-10-14 21:42:10,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:10,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:42:10,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079886138] [2020-10-14 21:42:10,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:42:10,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:10,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:42:10,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:42:10,699 INFO L87 Difference]: Start difference. First operand 1510 states and 2043 transitions. Second operand 6 states. [2020-10-14 21:42:13,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:13,328 INFO L93 Difference]: Finished difference Result 4172 states and 5855 transitions. [2020-10-14 21:42:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:42:13,329 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2020-10-14 21:42:13,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:13,342 INFO L225 Difference]: With dead ends: 4172 [2020-10-14 21:42:13,343 INFO L226 Difference]: Without dead ends: 2260 [2020-10-14 21:42:13,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:42:13,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2260 states. [2020-10-14 21:42:13,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2260 to 2060. [2020-10-14 21:42:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2060 states. [2020-10-14 21:42:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2414 transitions. [2020-10-14 21:42:13,424 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2414 transitions. Word has length 219 [2020-10-14 21:42:13,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:13,425 INFO L479 AbstractCegarLoop]: Abstraction has 2060 states and 2414 transitions. [2020-10-14 21:42:13,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:42:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2414 transitions. [2020-10-14 21:42:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2020-10-14 21:42:13,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:13,437 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:13,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:42:13,437 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:13,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:13,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1453903574, now seen corresponding path program 1 times [2020-10-14 21:42:13,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:13,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713190827] [2020-10-14 21:42:13,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:13,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:13,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:13,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:14,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:18,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:18,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 464 [2020-10-14 21:42:18,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:42:18,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-14 21:42:18,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:18,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:18,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:18,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 21:42:18,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:42:18,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:18,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:18,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:18,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:18,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:18,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:42:18,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:18,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:18,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:18,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:18,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:18,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:42:18,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:18,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 21:42:18,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:18,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:18,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:18,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:42:18,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:18,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:42:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:19,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:19,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:19,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:42:19,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:19,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-14 21:42:19,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:19,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:42:19,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:19,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-14 21:42:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:19,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:19,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:19,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:42:19,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:19,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:42:19,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:19,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:42:19,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:19,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 269 proven. 85 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-14 21:42:19,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713190827] [2020-10-14 21:42:19,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:19,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:42:19,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355615973] [2020-10-14 21:42:19,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:42:19,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:19,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:42:19,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:19,951 INFO L87 Difference]: Start difference. First operand 2060 states and 2414 transitions. Second operand 7 states. [2020-10-14 21:42:21,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:21,646 INFO L93 Difference]: Finished difference Result 5132 states and 6507 transitions. [2020-10-14 21:42:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:42:21,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 450 [2020-10-14 21:42:21,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:21,666 INFO L225 Difference]: With dead ends: 5132 [2020-10-14 21:42:21,666 INFO L226 Difference]: Without dead ends: 3078 [2020-10-14 21:42:21,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:42:21,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3078 states. [2020-10-14 21:42:21,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3078 to 2632. [2020-10-14 21:42:21,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2632 states. [2020-10-14 21:42:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2632 states and 3129 transitions. [2020-10-14 21:42:21,758 INFO L78 Accepts]: Start accepts. Automaton has 2632 states and 3129 transitions. Word has length 450 [2020-10-14 21:42:21,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:21,759 INFO L479 AbstractCegarLoop]: Abstraction has 2632 states and 3129 transitions. [2020-10-14 21:42:21,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:42:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 3129 transitions. [2020-10-14 21:42:21,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2020-10-14 21:42:21,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:21,773 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:21,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:42:21,773 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:21,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:21,774 INFO L82 PathProgramCache]: Analyzing trace with hash 865784376, now seen corresponding path program 1 times [2020-10-14 21:42:21,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:21,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807649258] [2020-10-14 21:42:21,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:21,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:21,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:23,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:23,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:24,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:25,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:26,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:26,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 545 [2020-10-14 21:42:26,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:42:26,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 21:42:26,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:26,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:42:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:42:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-10-14 21:42:26,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:26,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:26,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:26,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:26,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:26,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:26,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:42:26,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:26,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:26,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:42:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:26,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:26,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:27,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:27,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:42:27,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:42:27,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 21:42:27,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:27,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:27,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:27,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:27,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 21:42:27,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:27,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 21:42:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:27,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:27,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:27,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:42:27,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:27,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:42:27,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:27,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:27,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:27,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:27,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:42:27,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:27,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-14 21:42:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:27,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:27,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:27,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:42:27,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 21:42:27,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:27,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:27,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:27,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:42:27,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:27,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:27,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2020-10-14 21:42:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:27,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:27,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:27,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:42:27,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:42:27,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:27,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 21:42:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:27,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 260 proven. 354 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-10-14 21:42:27,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807649258] [2020-10-14 21:42:27,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:27,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:42:27,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18964092] [2020-10-14 21:42:27,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:42:27,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:27,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:42:27,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:42:27,589 INFO L87 Difference]: Start difference. First operand 2632 states and 3129 transitions. Second operand 9 states. [2020-10-14 21:42:29,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:29,224 INFO L93 Difference]: Finished difference Result 6378 states and 7621 transitions. [2020-10-14 21:42:29,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 21:42:29,225 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 529 [2020-10-14 21:42:29,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:29,244 INFO L225 Difference]: With dead ends: 6378 [2020-10-14 21:42:29,244 INFO L226 Difference]: Without dead ends: 3752 [2020-10-14 21:42:29,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:42:29,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3752 states. [2020-10-14 21:42:29,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3752 to 3742. [2020-10-14 21:42:29,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2020-10-14 21:42:29,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4339 transitions. [2020-10-14 21:42:29,364 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4339 transitions. Word has length 529 [2020-10-14 21:42:29,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:29,364 INFO L479 AbstractCegarLoop]: Abstraction has 3742 states and 4339 transitions. [2020-10-14 21:42:29,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:42:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4339 transitions. [2020-10-14 21:42:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2020-10-14 21:42:29,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:29,390 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:29,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:42:29,391 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:29,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:29,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1608149878, now seen corresponding path program 1 times [2020-10-14 21:42:29,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:29,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763300143] [2020-10-14 21:42:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:29,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:29,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:29,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:29,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:34,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:34,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 740 [2020-10-14 21:42:34,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:42:34,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 21:42:34,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:34,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 21:42:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:42:34,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:34,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:34,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:34,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:34,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:34,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:34,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:42:34,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:34,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:34,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:34,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:34,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:34,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:34,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:42:34,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:34,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 21:42:34,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:34,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:34,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:42:34,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:34,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:42:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:34,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:34,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:34,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:42:34,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:34,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 21:42:34,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:34,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:42:34,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:34,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-14 21:42:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:34,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:34,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:34,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:42:34,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:34,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:42:34,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:34,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:34,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:34,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:42:34,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:34,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:35,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2020-10-14 21:42:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:35,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:35,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:35,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:42:35,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:35,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 21:42:35,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:35,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:42:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:35,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:35,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-10-14 21:42:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:35,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:35,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:35,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:42:35,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:35,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:42:35,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:35,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 21:42:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:35,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:35,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 367 proven. 351 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2020-10-14 21:42:35,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763300143] [2020-10-14 21:42:35,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:35,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:42:35,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266847926] [2020-10-14 21:42:35,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:42:35,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:35,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:42:35,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:35,557 INFO L87 Difference]: Start difference. First operand 3742 states and 4339 transitions. Second operand 7 states. [2020-10-14 21:42:37,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:37,359 INFO L93 Difference]: Finished difference Result 7676 states and 8925 transitions. [2020-10-14 21:42:37,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:42:37,360 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 722 [2020-10-14 21:42:37,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:37,375 INFO L225 Difference]: With dead ends: 7676 [2020-10-14 21:42:37,375 INFO L226 Difference]: Without dead ends: 3930 [2020-10-14 21:42:37,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:42:37,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3930 states. [2020-10-14 21:42:37,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3930 to 3922. [2020-10-14 21:42:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3922 states. [2020-10-14 21:42:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3922 states to 3922 states and 4477 transitions. [2020-10-14 21:42:37,490 INFO L78 Accepts]: Start accepts. Automaton has 3922 states and 4477 transitions. Word has length 722 [2020-10-14 21:42:37,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:37,491 INFO L479 AbstractCegarLoop]: Abstraction has 3922 states and 4477 transitions. [2020-10-14 21:42:37,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:42:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3922 states and 4477 transitions. [2020-10-14 21:42:37,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2020-10-14 21:42:37,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:37,503 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:37,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:42:37,503 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:37,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:37,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1155765649, now seen corresponding path program 1 times [2020-10-14 21:42:37,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:37,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634257977] [2020-10-14 21:42:37,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:37,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:37,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:38,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:38,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:39,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:42,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:42,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 768 [2020-10-14 21:42:42,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:42:42,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 21:42:42,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:42,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:42,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:42:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:42:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-14 21:42:42,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:42,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:42,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:42,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:42,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:42,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:42,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:42:42,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:42,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:42,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:42,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:42,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:42,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:42,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:42:42,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:42,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:42:42,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:42,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:42,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:42,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:42,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:42,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:42,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:42:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:42,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:42,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:42,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:42:42,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:42,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 21:42:42,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:42,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:42,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:42,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:42:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:42,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:42:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:42,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:42,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:42,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:42:42,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:42,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 21:42:42,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:42,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 21:42:42,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:43,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:42:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:43,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:43,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:43,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:42:43,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:43,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:42:43,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:43,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:42:43,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:43,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-10-14 21:42:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:43,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:43,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:43,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:42:43,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:43,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 21:42:43,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:43,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:43,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:43,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:42:43,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:43,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:42:43,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2020-10-14 21:42:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:43,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:43,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:43,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:42:43,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:43,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:42:43,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:43,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 21:42:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:43,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1734 backedges. 729 proven. 364 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2020-10-14 21:42:43,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634257977] [2020-10-14 21:42:43,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:43,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:42:43,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409409609] [2020-10-14 21:42:43,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:42:43,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:43,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:42:43,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:42:43,942 INFO L87 Difference]: Start difference. First operand 3922 states and 4477 transitions. Second operand 8 states. [2020-10-14 21:42:45,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:45,535 INFO L93 Difference]: Finished difference Result 8588 states and 9848 transitions. [2020-10-14 21:42:45,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:42:45,535 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 748 [2020-10-14 21:42:45,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:45,554 INFO L225 Difference]: With dead ends: 8588 [2020-10-14 21:42:45,554 INFO L226 Difference]: Without dead ends: 4854 [2020-10-14 21:42:45,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:42:45,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4854 states. [2020-10-14 21:42:45,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4854 to 4662. [2020-10-14 21:42:45,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4662 states. [2020-10-14 21:42:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4662 states to 4662 states and 5292 transitions. [2020-10-14 21:42:45,674 INFO L78 Accepts]: Start accepts. Automaton has 4662 states and 5292 transitions. Word has length 748 [2020-10-14 21:42:45,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:45,675 INFO L479 AbstractCegarLoop]: Abstraction has 4662 states and 5292 transitions. [2020-10-14 21:42:45,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:42:45,675 INFO L276 IsEmpty]: Start isEmpty. Operand 4662 states and 5292 transitions. [2020-10-14 21:42:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2020-10-14 21:42:45,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:45,687 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:45,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:42:45,687 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:45,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:45,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1107164761, now seen corresponding path program 1 times [2020-10-14 21:42:45,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:45,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754560634] [2020-10-14 21:42:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:45,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:45,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:47,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:47,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:48,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:50,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:50,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 828 [2020-10-14 21:42:50,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:42:50,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-14 21:42:50,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:50,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:50,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:50,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:42:50,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:42:50,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:50,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:50,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:50,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:50,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:50,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:50,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:42:50,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:50,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:50,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:50,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:50,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:50,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:50,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:50,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:42:50,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:50,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:42:50,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:50,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:50,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:50,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:42:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:51,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:51,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:51,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:42:51,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:51,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 21:42:51,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:51,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:51,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:51,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:51,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:42:51,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:51,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:42:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:51,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:51,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:51,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:42:51,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-14 21:42:51,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:51,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:42:51,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:51,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:42:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:51,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:51,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:51,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:42:51,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:51,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:42:51,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:51,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:51,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:51,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:42:51,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:51,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:51,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-14 21:42:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:51,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:51,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:51,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:42:51,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:51,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 21:42:51,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:51,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:51,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:51,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:42:51,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:51,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:51,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2020-10-14 21:42:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:51,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:51,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:51,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:42:51,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:51,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:42:51,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:51,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:51,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:51,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 21:42:51,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:51,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 512 proven. 351 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2020-10-14 21:42:52,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754560634] [2020-10-14 21:42:52,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:52,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:42:52,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409470691] [2020-10-14 21:42:52,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:42:52,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:52,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:42:52,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:42:52,241 INFO L87 Difference]: Start difference. First operand 4662 states and 5292 transitions. Second operand 8 states. [2020-10-14 21:42:54,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:54,516 INFO L93 Difference]: Finished difference Result 9694 states and 11015 transitions. [2020-10-14 21:42:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:42:54,522 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 808 [2020-10-14 21:42:54,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:54,554 INFO L225 Difference]: With dead ends: 9694 [2020-10-14 21:42:54,554 INFO L226 Difference]: Without dead ends: 5220 [2020-10-14 21:42:54,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:42:54,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5220 states. [2020-10-14 21:42:54,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5220 to 5212. [2020-10-14 21:42:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5212 states. [2020-10-14 21:42:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 5889 transitions. [2020-10-14 21:42:54,669 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 5889 transitions. Word has length 808 [2020-10-14 21:42:54,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:54,670 INFO L479 AbstractCegarLoop]: Abstraction has 5212 states and 5889 transitions. [2020-10-14 21:42:54,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:42:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 5889 transitions. [2020-10-14 21:42:54,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2020-10-14 21:42:54,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:54,684 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, 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, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:54,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:42:54,684 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:54,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:54,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1770400481, now seen corresponding path program 1 times [2020-10-14 21:42:54,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:54,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183215616] [2020-10-14 21:42:54,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:54,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:55,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:56,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:57,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:59,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:59,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 929 [2020-10-14 21:42:59,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:42:59,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5116 [2020-10-14 21:42:59,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:59,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:59,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:59,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 770 [2020-10-14 21:42:59,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:42:59,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:00,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:00,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:00,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:00,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:00,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:00,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:43:00,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:00,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:00,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:43:00,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:00,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:00,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:43:00,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:00,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:00,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:43:00,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:43:00,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:00,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:43:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:00,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:43:00,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:43:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:00,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 21:43:00,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 21:43:00,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:43:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:43:00,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 21:43:00,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:43:00,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2455 backedges. 923 proven. 2 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2020-10-14 21:43:01,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183215616] [2020-10-14 21:43:01,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:01,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:01,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916736352] [2020-10-14 21:43:01,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:01,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:01,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:01,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:01,210 INFO L87 Difference]: Start difference. First operand 5212 states and 5889 transitions. Second operand 7 states. [2020-10-14 21:43:02,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:02,654 INFO L93 Difference]: Finished difference Result 11156 states and 12823 transitions. [2020-10-14 21:43:02,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:43:02,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 907 [2020-10-14 21:43:02,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:02,677 INFO L225 Difference]: With dead ends: 11156 [2020-10-14 21:43:02,677 INFO L226 Difference]: Without dead ends: 6132 [2020-10-14 21:43:02,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:43:02,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6132 states. [2020-10-14 21:43:02,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6132 to 6128. [2020-10-14 21:43:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6128 states. [2020-10-14 21:43:02,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6128 states to 6128 states and 7026 transitions. [2020-10-14 21:43:02,809 INFO L78 Accepts]: Start accepts. Automaton has 6128 states and 7026 transitions. Word has length 907 [2020-10-14 21:43:02,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:02,811 INFO L479 AbstractCegarLoop]: Abstraction has 6128 states and 7026 transitions. [2020-10-14 21:43:02,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 6128 states and 7026 transitions. [2020-10-14 21:43:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2020-10-14 21:43:02,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:02,827 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, 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, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:02,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:43:02,827 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:02,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:02,828 INFO L82 PathProgramCache]: Analyzing trace with hash -2132629723, now seen corresponding path program 1 times [2020-10-14 21:43:02,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:02,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915017340] [2020-10-14 21:43:02,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:02,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:03,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:03,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:07,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:07,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 969 [2020-10-14 21:43:07,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:43:07,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-14 21:43:07,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:07,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-14 21:43:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:08,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:43:08,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:08,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:43:08,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:08,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:08,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:43:08,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:08,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:43:08,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:08,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:08,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:43:08,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:43:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:43:08,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-14 21:43:08,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:43:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-14 21:43:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:08,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:43:08,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:43:08,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-14 21:43:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:08,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:43:08,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:43:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-14 21:43:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 21:43:08,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:43:08,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-14 21:43:08,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2531 backedges. 681 proven. 380 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2020-10-14 21:43:09,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915017340] [2020-10-14 21:43:09,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:09,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:09,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323238931] [2020-10-14 21:43:09,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:09,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:09,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:09,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:09,270 INFO L87 Difference]: Start difference. First operand 6128 states and 7026 transitions. Second operand 7 states. [2020-10-14 21:43:10,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:10,641 INFO L93 Difference]: Finished difference Result 12440 states and 14279 transitions. [2020-10-14 21:43:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:43:10,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 947 [2020-10-14 21:43:10,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:10,669 INFO L225 Difference]: With dead ends: 12440 [2020-10-14 21:43:10,669 INFO L226 Difference]: Without dead ends: 6500 [2020-10-14 21:43:10,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:43:10,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6500 states. [2020-10-14 21:43:10,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6500 to 6128. [2020-10-14 21:43:10,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6128 states. [2020-10-14 21:43:10,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6128 states to 6128 states and 7009 transitions. [2020-10-14 21:43:10,821 INFO L78 Accepts]: Start accepts. Automaton has 6128 states and 7009 transitions. Word has length 947 [2020-10-14 21:43:10,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:10,822 INFO L479 AbstractCegarLoop]: Abstraction has 6128 states and 7009 transitions. [2020-10-14 21:43:10,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:10,822 INFO L276 IsEmpty]: Start isEmpty. Operand 6128 states and 7009 transitions. [2020-10-14 21:43:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-10-14 21:43:10,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:10,853 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, 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, 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, 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] [2020-10-14 21:43:10,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:43:10,853 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:10,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:10,854 INFO L82 PathProgramCache]: Analyzing trace with hash 622959834, now seen corresponding path program 1 times [2020-10-14 21:43:10,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:10,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436972890] [2020-10-14 21:43:10,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:11,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:12,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:12,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:13,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1059 [2020-10-14 21:43:16,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:16,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5174 [2020-10-14 21:43:16,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 21:43:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:43:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-14 21:43:16,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:16,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:16,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:16,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:16,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:43:16,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:16,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:16,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:16,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:16,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:16,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:16,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:16,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:43:16,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:16,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:16,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:16,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:16,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:16,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:43:16,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:16,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:16,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:16,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:16,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:16,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:16,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:43:16,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:16,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:16,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:16,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:16,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:16,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:43:16,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:16,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:43:16,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:16,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:16,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:16,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:16,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:43:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:16,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:43:16,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:16,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:43:16,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:16,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:16,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:16,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:16,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:43:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:16,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:16,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:43:16,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:43:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:16,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:43:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:16,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:17,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:17,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:17,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:17,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-14 21:43:17,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:17,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:43:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:17,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:17,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:43:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:17,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:17,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:17,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:17,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 21:43:17,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:43:17,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 674 [2020-10-14 21:43:17,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:17,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:17,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:17,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:17,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:43:17,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 1660 proven. 133 refuted. 0 times theorem prover too weak. 1366 trivial. 0 not checked. [2020-10-14 21:43:18,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436972890] [2020-10-14 21:43:18,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:18,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:43:18,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299399171] [2020-10-14 21:43:18,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:43:18,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:18,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:43:18,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:43:18,898 INFO L87 Difference]: Start difference. First operand 6128 states and 7009 transitions. Second operand 11 states. [2020-10-14 21:43:22,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:22,385 INFO L93 Difference]: Finished difference Result 13594 states and 15887 transitions. [2020-10-14 21:43:22,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 21:43:22,386 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1035 [2020-10-14 21:43:22,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:22,414 INFO L225 Difference]: With dead ends: 13594 [2020-10-14 21:43:22,414 INFO L226 Difference]: Without dead ends: 7654 [2020-10-14 21:43:22,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-14 21:43:22,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7654 states. [2020-10-14 21:43:22,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7654 to 7602. [2020-10-14 21:43:22,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7602 states. [2020-10-14 21:43:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7602 states to 7602 states and 8841 transitions. [2020-10-14 21:43:22,580 INFO L78 Accepts]: Start accepts. Automaton has 7602 states and 8841 transitions. Word has length 1035 [2020-10-14 21:43:22,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:22,582 INFO L479 AbstractCegarLoop]: Abstraction has 7602 states and 8841 transitions. [2020-10-14 21:43:22,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:43:22,582 INFO L276 IsEmpty]: Start isEmpty. Operand 7602 states and 8841 transitions. [2020-10-14 21:43:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1214 [2020-10-14 21:43:22,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:22,606 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:22,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:43:22,607 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:22,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:22,607 INFO L82 PathProgramCache]: Analyzing trace with hash -2036256510, now seen corresponding path program 1 times [2020-10-14 21:43:22,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:22,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800841871] [2020-10-14 21:43:22,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:23,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:23,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:26,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:27,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:27,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1241 [2020-10-14 21:43:27,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:27,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 21:43:27,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:27,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:43:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:43:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 387 [2020-10-14 21:43:27,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:28,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:43:28,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:28,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:28,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:43:28,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:28,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:43:28,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:28,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:28,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:43:28,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:28,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:43:28,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:43:28,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:43:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:43:28,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:43:28,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:43:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:28,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:43:28,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:43:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:43:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:28,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 21:43:28,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:43:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:28,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:43:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:43:28,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 21:43:28,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:43:28,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:43:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:28,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 21:43:28,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:43:28,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2020-10-14 21:43:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:43:28,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:43:28,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 21:43:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4775 backedges. 2362 proven. 456 refuted. 0 times theorem prover too weak. 1957 trivial. 0 not checked. [2020-10-14 21:43:30,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [800841871] [2020-10-14 21:43:30,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:30,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:43:30,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738001487] [2020-10-14 21:43:30,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:43:30,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:30,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:43:30,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:43:30,064 INFO L87 Difference]: Start difference. First operand 7602 states and 8841 transitions. Second operand 11 states. [2020-10-14 21:43:33,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:33,238 INFO L93 Difference]: Finished difference Result 15208 states and 17700 transitions. [2020-10-14 21:43:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 21:43:33,238 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1213 [2020-10-14 21:43:33,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:33,271 INFO L225 Difference]: With dead ends: 15208 [2020-10-14 21:43:33,272 INFO L226 Difference]: Without dead ends: 7794 [2020-10-14 21:43:33,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-14 21:43:33,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7794 states. [2020-10-14 21:43:33,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7794 to 7786. [2020-10-14 21:43:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7786 states. [2020-10-14 21:43:33,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7786 states to 7786 states and 9028 transitions. [2020-10-14 21:43:33,442 INFO L78 Accepts]: Start accepts. Automaton has 7786 states and 9028 transitions. Word has length 1213 [2020-10-14 21:43:33,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:33,443 INFO L479 AbstractCegarLoop]: Abstraction has 7786 states and 9028 transitions. [2020-10-14 21:43:33,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:43:33,443 INFO L276 IsEmpty]: Start isEmpty. Operand 7786 states and 9028 transitions. [2020-10-14 21:43:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1354 [2020-10-14 21:43:33,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:33,474 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 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, 6, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:33,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:43:33,474 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:33,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:33,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1930444153, now seen corresponding path program 1 times [2020-10-14 21:43:33,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:33,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168431500] [2020-10-14 21:43:33,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:33,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:34,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:35,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:37,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:38,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:38,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1383 [2020-10-14 21:43:38,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5083 [2020-10-14 21:43:38,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:38,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1218 [2020-10-14 21:43:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 21:43:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:43:39,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:39,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:43:39,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:39,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:43:39,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:39,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:43:39,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:43:39,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:43:39,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:39,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:43:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:43:39,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:43:39,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:43:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:39,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:43:39,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:43:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:39,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:43:39,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:43:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:43:39,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:43:39,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:43:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:43:39,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:43:39,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:39,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:43:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:39,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:43:39,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 21:43:39,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:39,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2020-10-14 21:43:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:43:39,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 21:43:39,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:43:39,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:40,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5905 backedges. 1524 proven. 2 refuted. 0 times theorem prover too weak. 4379 trivial. 0 not checked. [2020-10-14 21:43:40,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168431500] [2020-10-14 21:43:40,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:40,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:40,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113336347] [2020-10-14 21:43:40,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:40,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:40,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:40,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:40,463 INFO L87 Difference]: Start difference. First operand 7786 states and 9028 transitions. Second operand 7 states. [2020-10-14 21:43:42,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:42,244 INFO L93 Difference]: Finished difference Result 15772 states and 18356 transitions. [2020-10-14 21:43:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:43:42,245 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1353 [2020-10-14 21:43:42,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:42,267 INFO L225 Difference]: With dead ends: 15772 [2020-10-14 21:43:42,267 INFO L226 Difference]: Without dead ends: 7804 [2020-10-14 21:43:42,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:43:42,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7804 states. [2020-10-14 21:43:42,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7804 to 6490. [2020-10-14 21:43:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6490 states. [2020-10-14 21:43:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6490 states to 6490 states and 7275 transitions. [2020-10-14 21:43:42,405 INFO L78 Accepts]: Start accepts. Automaton has 6490 states and 7275 transitions. Word has length 1353 [2020-10-14 21:43:42,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:42,406 INFO L479 AbstractCegarLoop]: Abstraction has 6490 states and 7275 transitions. [2020-10-14 21:43:42,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:42,406 INFO L276 IsEmpty]: Start isEmpty. Operand 6490 states and 7275 transitions. [2020-10-14 21:43:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2020-10-14 21:43:42,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:42,442 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 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, 7, 6, 6, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:42,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:43:42,442 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:42,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:42,443 INFO L82 PathProgramCache]: Analyzing trace with hash -498840760, now seen corresponding path program 1 times [2020-10-14 21:43:42,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:42,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836707838] [2020-10-14 21:43:42,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:42,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:43,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:46,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:46,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:47,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:47,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1406 [2020-10-14 21:43:47,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:47,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5114 [2020-10-14 21:43:47,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:47,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:47,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:47,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-14 21:43:47,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 21:43:47,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:48,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:48,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:48,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:43:48,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:48,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:43:48,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:48,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:43:48,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:43:48,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:43:48,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:43:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:43:48,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:43:48,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:43:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:48,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:43:48,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:43:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:48,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:43:48,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:43:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:43:48,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:43:48,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:43:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:43:48,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:43:48,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:43:48,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:43:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:43:48,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 21:43:48,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:48,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:43:48,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2020-10-14 21:43:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:43:48,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:43:48,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 21:43:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6086 backedges. 1480 proven. 104 refuted. 0 times theorem prover too weak. 4502 trivial. 0 not checked. [2020-10-14 21:43:49,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836707838] [2020-10-14 21:43:49,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:49,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:49,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942981131] [2020-10-14 21:43:49,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:49,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:49,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:49,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:49,833 INFO L87 Difference]: Start difference. First operand 6490 states and 7275 transitions. Second operand 7 states. [2020-10-14 21:43:51,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:51,563 INFO L93 Difference]: Finished difference Result 12792 states and 14362 transitions. [2020-10-14 21:43:51,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:43:51,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1376 [2020-10-14 21:43:51,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:51,586 INFO L225 Difference]: With dead ends: 12792 [2020-10-14 21:43:51,586 INFO L226 Difference]: Without dead ends: 6492 [2020-10-14 21:43:51,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:43:51,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6492 states. [2020-10-14 21:43:51,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6492 to 6492. [2020-10-14 21:43:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6492 states. [2020-10-14 21:43:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6492 states to 6492 states and 7191 transitions. [2020-10-14 21:43:51,701 INFO L78 Accepts]: Start accepts. Automaton has 6492 states and 7191 transitions. Word has length 1376 [2020-10-14 21:43:51,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:51,702 INFO L479 AbstractCegarLoop]: Abstraction has 6492 states and 7191 transitions. [2020-10-14 21:43:51,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:51,703 INFO L276 IsEmpty]: Start isEmpty. Operand 6492 states and 7191 transitions. [2020-10-14 21:43:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1453 [2020-10-14 21:43:51,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:51,734 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 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, 7, 6, 6, 6, 6, 6, 6, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:51,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:43:51,734 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:51,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:51,735 INFO L82 PathProgramCache]: Analyzing trace with hash 918593992, now seen corresponding path program 1 times [2020-10-14 21:43:51,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:51,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299101187] [2020-10-14 21:43:51,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:52,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:52,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1482 [2020-10-14 21:43:54,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:43:54,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2498 [2020-10-14 21:43:54,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:43:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 21:43:54,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:54,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:54,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:54,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:54,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:43:54,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:54,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:54,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:54,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:54,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:43:54,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:54,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:54,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:54,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:54,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:54,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:54,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:54,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:43:54,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:54,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:54,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:54,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:54,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:54,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:54,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:54,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:43:54,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:54,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:54,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:54,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:54,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:54,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:43:54,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:54,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:43:54,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:54,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:54,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:54,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:43:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:54,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:43:54,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:54,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:43:54,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:54,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:54,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:43:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:54,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:54,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:54,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:43:54,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:54,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:54,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:43:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:54,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:54,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:54,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:54,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:54,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:43:54,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:54,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:54,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:54,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:55,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:43:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:43:55,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:43:55,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:43:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:43:55,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:55,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:43:55,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:55,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:55,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:43:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:43:55,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:55,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:43:55,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:55,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:55,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:55,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:55,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:43:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:43:55,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:55,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:43:55,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:43:55,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 6302 backedges. 514 proven. 11 refuted. 0 times theorem prover too weak. 5777 trivial. 0 not checked. [2020-10-14 21:43:56,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299101187] [2020-10-14 21:43:56,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:56,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:43:56,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44606578] [2020-10-14 21:43:56,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:43:56,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:56,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:43:56,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:43:56,147 INFO L87 Difference]: Start difference. First operand 6492 states and 7191 transitions. Second operand 5 states. [2020-10-14 21:43:57,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:57,218 INFO L93 Difference]: Finished difference Result 6494 states and 7192 transitions. [2020-10-14 21:43:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:43:57,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1452 [2020-10-14 21:43:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:57,230 INFO L225 Difference]: With dead ends: 6494 [2020-10-14 21:43:57,230 INFO L226 Difference]: Without dead ends: 6492 [2020-10-14 21:43:57,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:43:57,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6492 states. [2020-10-14 21:43:57,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6492 to 6308. [2020-10-14 21:43:57,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6308 states. [2020-10-14 21:43:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6308 states to 6308 states and 6920 transitions. [2020-10-14 21:43:57,323 INFO L78 Accepts]: Start accepts. Automaton has 6308 states and 6920 transitions. Word has length 1452 [2020-10-14 21:43:57,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:57,325 INFO L479 AbstractCegarLoop]: Abstraction has 6308 states and 6920 transitions. [2020-10-14 21:43:57,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:43:57,325 INFO L276 IsEmpty]: Start isEmpty. Operand 6308 states and 6920 transitions. [2020-10-14 21:43:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1532 [2020-10-14 21:43:57,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:57,358 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:57,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:43:57,359 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:57,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:57,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1443521846, now seen corresponding path program 1 times [2020-10-14 21:43:57,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:57,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192505234] [2020-10-14 21:43:57,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:57,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:58,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:58,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:02,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:02,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1563 [2020-10-14 21:44:02,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:02,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-10-14 21:44:02,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:02,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-14 21:44:02,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-10-14 21:44:02,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:02,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:02,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:02,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:02,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:02,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:02,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:44:02,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:02,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:02,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:02,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:02,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:02,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:02,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:02,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:02,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:02,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:44:02,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:02,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:02,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:02,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:02,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:02,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:02,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:02,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:02,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:44:02,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:02,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:02,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:02,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:02,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:02,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:02,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:02,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:02,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:02,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:44:02,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:02,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:02,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:02,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:02,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:02,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:02,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:02,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:44:03,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:03,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:44:03,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:03,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:03,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:44:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:03,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:03,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:44:03,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:03,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:03,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:03,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:44:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:03,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:44:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:03,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:03,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:03,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:44:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:03,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:03,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:44:03,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:03,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:03,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:44:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:03,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:03,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 21:44:03,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:44:03,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:03,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:44:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:03,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:03,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 21:44:03,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:44:03,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:03,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2020-10-14 21:44:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:44:03,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:03,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 21:44:03,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:44:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:03,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2020-10-14 21:44:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:03,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:03,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:03,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 21:44:03,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:03,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:44:03,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:03,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:03,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:03,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:44:03,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:03,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 7476 backedges. 1688 proven. 115 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2020-10-14 21:44:04,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192505234] [2020-10-14 21:44:04,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:04,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:44:04,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633336197] [2020-10-14 21:44:04,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:44:04,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:04,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:44:04,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:04,922 INFO L87 Difference]: Start difference. First operand 6308 states and 6920 transitions. Second operand 8 states. [2020-10-14 21:44:06,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:06,975 INFO L93 Difference]: Finished difference Result 12800 states and 14058 transitions. [2020-10-14 21:44:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 21:44:06,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1531 [2020-10-14 21:44:06,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:06,992 INFO L225 Difference]: With dead ends: 12800 [2020-10-14 21:44:06,992 INFO L226 Difference]: Without dead ends: 6122 [2020-10-14 21:44:07,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-10-14 21:44:07,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2020-10-14 21:44:07,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 5750. [2020-10-14 21:44:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5750 states. [2020-10-14 21:44:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5750 states to 5750 states and 6253 transitions. [2020-10-14 21:44:07,101 INFO L78 Accepts]: Start accepts. Automaton has 5750 states and 6253 transitions. Word has length 1531 [2020-10-14 21:44:07,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:07,103 INFO L479 AbstractCegarLoop]: Abstraction has 5750 states and 6253 transitions. [2020-10-14 21:44:07,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:44:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 5750 states and 6253 transitions. [2020-10-14 21:44:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1595 [2020-10-14 21:44:07,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:07,156 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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 21:44:07,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:44:07,157 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:07,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:07,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1326549349, now seen corresponding path program 1 times [2020-10-14 21:44:07,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:07,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088495451] [2020-10-14 21:44:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:07,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:08,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:11,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:12,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1626 [2020-10-14 21:44:12,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:44:12,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-14 21:44:12,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:12,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:12,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:44:12,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 21:44:12,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:12,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:12,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:12,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:12,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:12,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:12,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:12,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:12,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:12,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:12,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:12,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:12,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:12,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:12,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:12,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:12,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:12,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:12,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:12,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:12,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:12,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:12,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:12,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:12,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:12,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:12,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:12,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:12,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:12,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:12,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:44:12,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:12,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:12,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:12,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:12,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:12,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:12,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:12,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:44:12,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:12,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:44:12,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:12,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:12,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:12,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:12,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:12,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:44:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:12,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:12,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:12,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:12,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:44:12,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:12,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:12,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:12,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:44:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:12,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:12,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:12,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:12,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:44:12,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:12,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:12,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:12,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:44:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:12,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:12,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:12,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:12,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:12,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:44:12,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:12,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:12,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:12,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:44:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:12,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:13,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:13,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:13,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:44:13,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:13,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:13,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:13,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:44:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:13,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:13,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:13,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:44:13,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:13,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:13,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:13,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:44:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:13,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:13,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:44:13,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:13,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:44:13,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:13,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:13,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:13,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:44:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:13,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:13,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:44:13,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:13,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:44:13,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:13,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:13,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:44:13,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:13,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:44:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:13,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:13,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:13,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 21:44:13,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:13,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-14 21:44:13,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:13,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 21:44:13,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 7635 backedges. 1845 proven. 2 refuted. 0 times theorem prover too weak. 5788 trivial. 0 not checked. [2020-10-14 21:44:14,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088495451] [2020-10-14 21:44:14,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:14,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:14,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595785538] [2020-10-14 21:44:14,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:14,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:14,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:14,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:14,878 INFO L87 Difference]: Start difference. First operand 5750 states and 6253 transitions. Second operand 7 states. [2020-10-14 21:44:16,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:16,709 INFO L93 Difference]: Finished difference Result 11892 states and 13096 transitions. [2020-10-14 21:44:16,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:44:16,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1594 [2020-10-14 21:44:16,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:16,722 INFO L225 Difference]: With dead ends: 11892 [2020-10-14 21:44:16,722 INFO L226 Difference]: Without dead ends: 5594 [2020-10-14 21:44:16,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:44:16,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states. [2020-10-14 21:44:16,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 4280. [2020-10-14 21:44:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4280 states. [2020-10-14 21:44:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 4556 transitions. [2020-10-14 21:44:16,843 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 4556 transitions. Word has length 1594 [2020-10-14 21:44:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:16,846 INFO L479 AbstractCegarLoop]: Abstraction has 4280 states and 4556 transitions. [2020-10-14 21:44:16,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 4556 transitions. [2020-10-14 21:44:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1707 [2020-10-14 21:44:16,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:16,886 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-14 21:44:16,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:44:16,886 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:16,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:16,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1025458422, now seen corresponding path program 1 times [2020-10-14 21:44:16,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:16,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939974150] [2020-10-14 21:44:16,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:17,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:17,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:18,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:22,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:22,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1740 [2020-10-14 21:44:22,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:44:22,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5086 [2020-10-14 21:44:22,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:22,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1544 [2020-10-14 21:44:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 21:44:22,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:22,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:22,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:22,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:22,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:22,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:22,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:44:22,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:22,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:22,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:22,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:22,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:22,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:22,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:22,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:22,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:22,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:22,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:44:22,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:22,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:22,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:22,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:22,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:22,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:22,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:22,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:22,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:22,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:22,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:22,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:22,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:22,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:22,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:22,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:22,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:22,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:22,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:22,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:22,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:22,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:22,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:44:22,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:22,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:44:22,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:22,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:22,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:22,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:22,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:22,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:22,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:44:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:22,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:22,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:22,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:22,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:22,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:44:22,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:22,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:22,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:22,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:44:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:22,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:22,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:22,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:22,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:44:22,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:22,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:22,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:44:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:22,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:22,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:22,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:22,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:22,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:44:22,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:22,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:22,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:22,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:22,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:22,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:22,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:44:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:22,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:22,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:22,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:22,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:44:22,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:22,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:22,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:22,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:23,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:44:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:23,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:23,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:23,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:23,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:23,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:44:23,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:23,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:23,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:23,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:23,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:44:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:23,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:23,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:23,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:44:23,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 21:44:23,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:23,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:23,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:44:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:23,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:23,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:23,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:44:23,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:23,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:44:23,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:23,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:23,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:23,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:23,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:23,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:44:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:23,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:23,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:23,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:44:23,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:23,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 21:44:23,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:23,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 21:44:23,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:23,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1520 [2020-10-14 21:44:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:23,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:23,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:23,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 21:44:23,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:23,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 21:44:23,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:23,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:23,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 21:44:23,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8951 backedges. 2004 proven. 2 refuted. 0 times theorem prover too weak. 6945 trivial. 0 not checked. [2020-10-14 21:44:24,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939974150] [2020-10-14 21:44:24,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:24,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:24,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937071938] [2020-10-14 21:44:24,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:24,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:24,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:24,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:24,880 INFO L87 Difference]: Start difference. First operand 4280 states and 4556 transitions. Second operand 7 states. [2020-10-14 21:44:26,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:26,579 INFO L93 Difference]: Finished difference Result 8742 states and 9373 transitions. [2020-10-14 21:44:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:44:26,580 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1706 [2020-10-14 21:44:26,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:26,588 INFO L225 Difference]: With dead ends: 8742 [2020-10-14 21:44:26,588 INFO L226 Difference]: Without dead ends: 4468 [2020-10-14 21:44:26,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:44:26,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4468 states. [2020-10-14 21:44:26,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4468 to 4460. [2020-10-14 21:44:26,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4460 states. [2020-10-14 21:44:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4460 states to 4460 states and 4740 transitions. [2020-10-14 21:44:26,652 INFO L78 Accepts]: Start accepts. Automaton has 4460 states and 4740 transitions. Word has length 1706 [2020-10-14 21:44:26,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:26,654 INFO L479 AbstractCegarLoop]: Abstraction has 4460 states and 4740 transitions. [2020-10-14 21:44:26,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4460 states and 4740 transitions. [2020-10-14 21:44:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1724 [2020-10-14 21:44:26,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:26,686 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-14 21:44:26,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:44:26,687 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:26,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:26,688 INFO L82 PathProgramCache]: Analyzing trace with hash 674156107, now seen corresponding path program 1 times [2020-10-14 21:44:26,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:26,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960303618] [2020-10-14 21:44:26,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:27,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:28,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1757 [2020-10-14 21:44:29,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:29,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2945 [2020-10-14 21:44:29,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1705 [2020-10-14 21:44:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 21:44:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:30,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:30,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:30,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:30,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:30,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:44:30,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:30,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:30,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:44:30,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:30,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:30,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:44:30,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:30,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:44:30,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:44:30,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:30,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:44:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:30,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:44:30,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:30,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:44:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:30,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:44:30,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:30,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:44:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:30,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 21:44:30,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:30,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:44:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:30,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:44:30,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:30,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:44:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:30,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:44:30,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:30,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:44:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:30,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:30,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:30,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:44:30,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:30,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:44:30,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:30,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:30,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:31,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:44:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:31,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:31,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:31,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:44:31,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:31,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:44:31,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:31,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:31,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:31,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:44:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:31,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:31,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:31,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:44:31,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:31,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:44:31,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:31,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:31,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:31,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:44:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:31,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:31,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:31,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 21:44:31,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:31,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 21:44:31,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:31,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:31,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 21:44:31,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 9053 backedges. 608 proven. 13 refuted. 0 times theorem prover too weak. 8432 trivial. 0 not checked. [2020-10-14 21:44:32,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960303618] [2020-10-14 21:44:32,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:32,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:44:32,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609883300] [2020-10-14 21:44:32,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:44:32,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:32,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:44:32,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:44:32,542 INFO L87 Difference]: Start difference. First operand 4460 states and 4740 transitions. Second operand 5 states. [2020-10-14 21:44:33,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:33,699 INFO L93 Difference]: Finished difference Result 4648 states and 4937 transitions. [2020-10-14 21:44:33,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:44:33,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1723 [2020-10-14 21:44:33,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:33,701 INFO L225 Difference]: With dead ends: 4648 [2020-10-14 21:44:33,701 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:44:33,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:44:33,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:44:33,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:44:33,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:44:33,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:44:33,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1723 [2020-10-14 21:44:33,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:33,706 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:44:33,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:44:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:44:33,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:44:33,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:44:33,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:44:34,849 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 248 [2020-10-14 21:44:35,310 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 269 [2020-10-14 21:44:36,571 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 275 DAG size of output: 56 [2020-10-14 21:44:37,440 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 40 [2020-10-14 21:44:38,256 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 40 [2020-10-14 21:44:38,265 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:44:38,266 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 21:44:38,266 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:44:38,267 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:44:38,267 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:44:38,267 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,267 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,267 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,267 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:44:38,267 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:44:38,267 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:44:38,267 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:44:38,268 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:44:38,268 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:44:38,268 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:44:38,268 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:44:38,268 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,268 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,268 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,268 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:44:38,268 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:44:38,269 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:44:38,269 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:44:38,269 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:44:38,269 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:44:38,269 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:44:38,269 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:44:38,269 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,269 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,270 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,270 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:44:38,270 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:44:38,270 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:44:38,270 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:44:38,270 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:44:38,270 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:44:38,270 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:44:38,270 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:44:38,271 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:44:38,271 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,271 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,271 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,271 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:44:38,271 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:44:38,271 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:44:38,271 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:44:38,272 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:44:38,272 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:44:38,272 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:44:38,272 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,272 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,272 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,272 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:44:38,272 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:44:38,272 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:44:38,273 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:44:38,273 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:44:38,273 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:44:38,273 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:44:38,273 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:44:38,273 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:44:38,273 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,273 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,273 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,274 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,274 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:44:38,274 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:44:38,274 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:44:38,274 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:44:38,274 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:44:38,274 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:44:38,274 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:44:38,274 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:44:38,281 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,282 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,282 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,282 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:44:38,282 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:44:38,282 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:44:38,282 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:44:38,282 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:44:38,282 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:44:38,282 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:44:38,283 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:44:38,283 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,283 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,283 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,283 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:44:38,283 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:44:38,283 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:44:38,283 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:44:38,283 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:44:38,283 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:44:38,286 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a12~0 |old(~a12~0)|)) (.cse8 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (and .cse2 .cse3 .cse4 .cse8)) (.cse1 (not (<= |old(~a12~0)| 73282))) (.cse6 (= ~a21~0 6)) (.cse7 (= ~a24~0 1)) (.cse5 (not (= |old(~a24~0)| 1))) (.cse9 (not (= 6 |old(~a21~0)|)))) (and (or .cse0 (and (or (not (<= 10 |old(~a21~0)|)) .cse1) (not (<= |old(~a12~0)| 80)))) (or (not (<= |old(~a15~0)| 6)) (not (<= 6 |old(~a15~0)|)) (and (<= 6 ~a15~0) .cse2 .cse3 .cse4 (<= ~a15~0 6))) (or .cse0 (not (<= 7 |old(~a15~0)|))) (or .cse5 (and .cse6 .cse7 .cse4 .cse8) .cse1 .cse9) (or (and (= 5 ~a15~0) .cse6 .cse7 .cse4) .cse5 .cse9 (not (= 5 |old(~a15~0)|)))))) [2020-10-14 21:44:38,286 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:44:38,286 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:44:38,286 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,286 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,286 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,288 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:44:38,288 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:44:38,288 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:44:38,288 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:44:38,288 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:44:38,288 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:44:38,288 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:44:38,289 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:44:38,289 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,289 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,289 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,289 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:44:38,289 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:44:38,289 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:44:38,289 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:44:38,289 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:44:38,289 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:44:38,290 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:44:38,290 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:44:38,290 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,290 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,290 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,290 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:44:38,290 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:44:38,290 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:44:38,291 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:44:38,291 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:44:38,291 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:44:38,291 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:44:38,291 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:44:38,291 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,291 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,291 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,291 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:44:38,291 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:44:38,292 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:44:38,292 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:44:38,292 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:44:38,292 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:44:38,292 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:44:38,292 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:44:38,292 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,292 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,292 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:44:38,292 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:44:38,293 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:44:38,293 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:44:38,293 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:44:38,293 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:44:38,293 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:44:38,293 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:44:38,293 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2020-10-14 21:44:38,293 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,294 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,294 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:44:38,294 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:44:38,294 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:44:38,294 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:44:38,294 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:44:38,294 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:44:38,294 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,295 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,296 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:44:38,296 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:44:38,296 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:44:38,296 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:44:38,296 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:44:38,296 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:44:38,296 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:44:38,296 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,296 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,296 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,297 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:44:38,297 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:44:38,297 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:44:38,297 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:44:38,297 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:44:38,297 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:44:38,297 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,297 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,298 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:44:38,298 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,298 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:44:38,298 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:44:38,298 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:44:38,298 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:44:38,298 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:44:38,298 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:44:38,299 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:44:38,299 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:44:38,299 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:44:38,299 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:44:38,299 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,299 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,299 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,299 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:44:38,299 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:44:38,300 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:44:38,300 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:44:38,300 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:44:38,300 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:44:38,300 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:44:38,300 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:44:38,300 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,300 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,300 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,301 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:44:38,301 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:44:38,301 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:44:38,301 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:44:38,301 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:44:38,301 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:44:38,301 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:44:38,301 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:44:38,302 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,302 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,302 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,302 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:44:38,302 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:44:38,302 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:44:38,302 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:44:38,302 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:44:38,302 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:44:38,302 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:44:38,303 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:44:38,303 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:44:38,303 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,303 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,303 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:38,303 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:44:38,303 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:44:38,303 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:44:38,303 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:44:38,304 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:44:38,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:44:38,304 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= ~a24~0 1)) [2020-10-14 21:44:38,306 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:44:38,306 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:44:38,307 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (and (= ~a21~0 |old(~a21~0)|) (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-10-14 21:44:38,311 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:44:38,312 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (<= ~a12~0 73282)) (.cse0 (= ~a21~0 6)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1 .cse2) (<= 6 ~a15~0) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (<= ~a12~0 80) (not (<= |old(~a21~0)| 7)) (and (<= 10 ~a21~0) .cse2) (not (<= (+ |old(~a12~0)| 49) 0)) (and (= 5 ~a15~0) .cse0 .cse1))) [2020-10-14 21:44:38,312 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:44:38,312 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:44:38,312 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse2 (<= ~a12~0 73282)) (.cse0 (= ~a21~0 6)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1 .cse2) (<= 6 ~a15~0) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (<= ~a12~0 80) (not (<= |old(~a21~0)| 7)) (and (<= 10 ~a21~0) .cse2) (not (<= (+ |old(~a12~0)| 49) 0)) (and (= 5 ~a15~0) .cse0 .cse1))) [2020-10-14 21:44:38,312 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:44:38,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:44:38 BoogieIcfgContainer [2020-10-14 21:44:38,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:44:38,353 INFO L168 Benchmark]: Toolchain (without parser) took 177205.94 ms. Allocated memory was 147.8 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 102.3 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-10-14 21:44:38,354 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 21:44:38,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.72 ms. Allocated memory was 147.8 MB in the beginning and 207.6 MB in the end (delta: 59.8 MB). Free memory was 101.9 MB in the beginning and 170.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2020-10-14 21:44:38,356 INFO L168 Benchmark]: Boogie Preprocessor took 148.71 ms. Allocated memory is still 207.6 MB. Free memory was 170.7 MB in the beginning and 164.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:44:38,356 INFO L168 Benchmark]: RCFGBuilder took 1616.91 ms. Allocated memory was 207.6 MB in the beginning and 238.0 MB in the end (delta: 30.4 MB). Free memory was 164.7 MB in the beginning and 155.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2020-10-14 21:44:38,357 INFO L168 Benchmark]: TraceAbstraction took 174533.27 ms. Allocated memory was 238.0 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 155.0 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-14 21:44:38,360 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 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 901.72 ms. Allocated memory was 147.8 MB in the beginning and 207.6 MB in the end (delta: 59.8 MB). Free memory was 101.9 MB in the beginning and 170.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.71 ms. Allocated memory is still 207.6 MB. Free memory was 170.7 MB in the beginning and 164.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1616.91 ms. Allocated memory was 207.6 MB in the beginning and 238.0 MB in the end (delta: 30.4 MB). Free memory was 164.7 MB in the beginning and 155.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 174533.27 ms. Allocated memory was 238.0 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 155.0 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: (((((((((a21 == 6 && a24 == 1) && a12 <= 73282) || 6 <= a15) || !(\old(a24) == 1)) || !(8 == \old(a15))) || a12 <= 80) || !(\old(a21) <= 7)) || (10 <= a21 && a12 <= 73282)) || !(\old(a12) + 49 <= 0)) || ((5 == a15 && a21 == 6) && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 169.8s, OverallIterations: 21, TraceHistogramMax: 14, AutomataDifference: 41.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 591 SDtfs, 14108 SDslu, 925 SDs, 0 SdLazy, 24676 SolverSat, 2754 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 656 GetRequests, 437 SyntacticMatches, 1 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7786occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 21 MinimizatonAttempts, 4762 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 449 PreInvPairs, 529 NumberOfFragments, 307 HoareAnnotationTreeSize, 449 FomulaSimplifications, 1590762 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 91381 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 109.3s InterpolantComputationTime, 18911 NumberOfCodeBlocks, 18911 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 18890 ConstructedInterpolants, 0 QuantifiedInterpolants, 38032916 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 2 PerfectInterpolantSequences, 68070/70850 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...