/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.10.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:54:28,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:54:28,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:54:28,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:54:28,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:54:28,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:54:28,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:54:28,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:54:28,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:54:28,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:54:28,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:54:28,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:54:28,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:54:28,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:54:28,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:54:28,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:54:28,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:54:28,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:54:28,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:54:28,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:54:28,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:54:28,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:54:28,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:54:28,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:54:28,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:54:28,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:54:28,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:54:28,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:54:28,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:54:28,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:54:28,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:54:28,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:54:28,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:54:28,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:54:28,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:54:28,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:54:28,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:54:28,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:54:28,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:54:28,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:54:28,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:54:28,243 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 [2020-10-28 19:54:28,271 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:54:28,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:54:28,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:54:28,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:54:28,274 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:54:28,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:54:28,275 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:54:28,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:54:28,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:54:28,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:54:28,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:54:28,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:54:28,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:54:28,276 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:54:28,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:54:28,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:54:28,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:54:28,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:54:28,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:54:28,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:54:28,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:54:28,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:54:28,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:54:28,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:54:28,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:54:28,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:54:28,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:54:28,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:54:28,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:54:28,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:54:28,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:54:28,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:54:28,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:54:28,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:54:28,746 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:54:28,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.10.cil-2.c [2020-10-28 19:54:28,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f210a4e23/d6d4ba23fcb8440b8c6fc464bc5417c8/FLAG504f3ade7 [2020-10-28 19:54:29,562 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:54:29,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.10.cil-2.c [2020-10-28 19:54:29,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f210a4e23/d6d4ba23fcb8440b8c6fc464bc5417c8/FLAG504f3ade7 [2020-10-28 19:54:29,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f210a4e23/d6d4ba23fcb8440b8c6fc464bc5417c8 [2020-10-28 19:54:29,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:54:29,911 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:54:29,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:54:29,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:54:29,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:54:29,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:54:29" (1/1) ... [2020-10-28 19:54:29,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668b76b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:29, skipping insertion in model container [2020-10-28 19:54:29,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:54:29" (1/1) ... [2020-10-28 19:54:29,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:54:30,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:54:30,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:54:30,412 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:54:30,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:54:30,530 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:54:30,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:30 WrapperNode [2020-10-28 19:54:30,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:54:30,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:54:30,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:54:30,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:54:30,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:30" (1/1) ... [2020-10-28 19:54:30,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:30" (1/1) ... [2020-10-28 19:54:30,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:30" (1/1) ... [2020-10-28 19:54:30,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:30" (1/1) ... [2020-10-28 19:54:30,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:30" (1/1) ... [2020-10-28 19:54:30,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:30" (1/1) ... [2020-10-28 19:54:30,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:30" (1/1) ... [2020-10-28 19:54:30,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:54:30,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:54:30,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:54:30,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:54:30,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:30" (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 [2020-10-28 19:54:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:54:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:54:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:54:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:54:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 19:54:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 19:54:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 19:54:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 19:54:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 19:54:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 19:54:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 19:54:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 19:54:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 19:54:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 19:54:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-28 19:54:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 19:54:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 19:54:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 19:54:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 19:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 19:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 19:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 19:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 19:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 19:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 19:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-28 19:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 19:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 19:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 19:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:54:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:54:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:54:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:54:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:54:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:54:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:54:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:54:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:54:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 19:54:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 19:54:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 19:54:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 19:54:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 19:54:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 19:54:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 19:54:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 19:54:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 19:54:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 19:54:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-28 19:54:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 19:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 19:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 19:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 19:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 19:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 19:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 19:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 19:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 19:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 19:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 19:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-28 19:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:54:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:54:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:54:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:54:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:54:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 19:54:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 19:54:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:54:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:54:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:54:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:54:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:54:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:54:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:54:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:54:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:54:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:54:32,101 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:54:32,101 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-28 19:54:32,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:54:32 BoogieIcfgContainer [2020-10-28 19:54:32,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:54:32,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:54:32,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:54:32,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:54:32,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:54:29" (1/3) ... [2020-10-28 19:54:32,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311e9d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:54:32, skipping insertion in model container [2020-10-28 19:54:32,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:30" (2/3) ... [2020-10-28 19:54:32,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311e9d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:54:32, skipping insertion in model container [2020-10-28 19:54:32,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:54:32" (3/3) ... [2020-10-28 19:54:32,114 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.10.cil-2.c [2020-10-28 19:54:32,128 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:54:32,134 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:54:32,148 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:54:32,186 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:54:32,186 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:54:32,187 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:54:32,187 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:54:32,187 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:54:32,187 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:54:32,187 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:54:32,187 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:54:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2020-10-28 19:54:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 19:54:32,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:32,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:54:32,245 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:32,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:32,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1935305168, now seen corresponding path program 1 times [2020-10-28 19:54:32,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:32,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350521992] [2020-10-28 19:54:32,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:32,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:32,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:33,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:33,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:33,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:33,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:33,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:34,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:35,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:37,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:37,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 19:54:37,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:54:37,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-28 19:54:37,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:37,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:54:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 19:54:37,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 19:54:38,312 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 19:54:38,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:38,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:38,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:38,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 19:54:38,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:38,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:38,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:38,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:38,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:38,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:38,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:38,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:54:38,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:38,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:38,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:38,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:38,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:38,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:38,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:54:38,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:38,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:38,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:38,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:38,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:38,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:38,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:54:38,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:38,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:54:38,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:38,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:38,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:38,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:54:38,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:54:38,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:38,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 19:54:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:38,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:38,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:54:38,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:54:38,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:38,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 19:54:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:38,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:54:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:38,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:39,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:54:43,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:54:43,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:54:43,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 19:54:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:54:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:54:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:43,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:54:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:54:43,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:43,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:54:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:43,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:54:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:54:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:54:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:54:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:43,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:43,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:54:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:43,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:43,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:54:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:43,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:43,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 19:54:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:54:43,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:54:43,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 19:54:43,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:43,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 19:54:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:54:43,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:54:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:54:44,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350521992] [2020-10-28 19:54:44,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:54:44,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:54:44,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242227009] [2020-10-28 19:54:44,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:54:44,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:54:44,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:54:44,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:54:44,066 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 8 states. [2020-10-28 19:54:44,536 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 19:54:44,694 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:54:45,068 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:54:45,249 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 19:54:52,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:54:52,786 INFO L93 Difference]: Finished difference Result 1075 states and 1752 transitions. [2020-10-28 19:54:52,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 19:54:52,788 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2020-10-28 19:54:52,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:54:52,811 INFO L225 Difference]: With dead ends: 1075 [2020-10-28 19:54:52,812 INFO L226 Difference]: Without dead ends: 665 [2020-10-28 19:54:52,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 19:54:52,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-10-28 19:54:53,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 406. [2020-10-28 19:54:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-10-28 19:54:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 591 transitions. [2020-10-28 19:54:53,009 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 591 transitions. Word has length 204 [2020-10-28 19:54:53,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:54:53,010 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 591 transitions. [2020-10-28 19:54:53,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:54:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 591 transitions. [2020-10-28 19:54:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 19:54:53,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:53,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:54:53,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:54:53,016 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:53,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:53,017 INFO L82 PathProgramCache]: Analyzing trace with hash 777772878, now seen corresponding path program 1 times [2020-10-28 19:54:53,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:53,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934108451] [2020-10-28 19:54:53,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:53,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 19:54:58,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:54:58,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 19:54:58,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:54:58,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:54:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-28 19:54:58,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,466 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 19:54:58,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:58,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:54:58,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:58,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:58,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:58,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:58,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:54:58,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:54:58,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:58,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:58,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:58,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:58,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:54:58,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:54:58,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:58,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 19:54:58,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 19:54:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:54:58,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:54:58,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:58,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 19:54:58,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:54:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:55:03,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:55:03,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:55:03,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-28 19:55:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 19:55:03,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:55:03,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:55:03,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:03,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:55:03,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:03,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:03,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:03,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 19:55:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:55:03,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:55:03,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 19:55:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 19:55:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:03,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:03,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:55:03,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934108451] [2020-10-28 19:55:03,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:03,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:03,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423559091] [2020-10-28 19:55:03,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:03,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:03,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:03,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:03,987 INFO L87 Difference]: Start difference. First operand 406 states and 591 transitions. Second operand 8 states. [2020-10-28 19:55:04,380 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:55:04,729 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:55:08,529 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:55:09,277 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:55:19,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:19,062 INFO L93 Difference]: Finished difference Result 1661 states and 2598 transitions. [2020-10-28 19:55:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:55:19,062 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2020-10-28 19:55:19,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:19,076 INFO L225 Difference]: With dead ends: 1661 [2020-10-28 19:55:19,076 INFO L226 Difference]: Without dead ends: 1284 [2020-10-28 19:55:19,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:55:19,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2020-10-28 19:55:19,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 801. [2020-10-28 19:55:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2020-10-28 19:55:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1178 transitions. [2020-10-28 19:55:19,288 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1178 transitions. Word has length 204 [2020-10-28 19:55:19,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:19,289 INFO L481 AbstractCegarLoop]: Abstraction has 801 states and 1178 transitions. [2020-10-28 19:55:19,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:19,289 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1178 transitions. [2020-10-28 19:55:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 19:55:19,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:19,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:19,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:55:19,293 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:19,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:19,294 INFO L82 PathProgramCache]: Analyzing trace with hash -622374833, now seen corresponding path program 1 times [2020-10-28 19:55:19,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:19,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992951111] [2020-10-28 19:55:19,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:19,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:19,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:19,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:19,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:19,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:19,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:19,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:20,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:24,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:24,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 19:55:24,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:55:24,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 19:55:24,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:24,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:55:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-28 19:55:24,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:24,815 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 19:55:24,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:24,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:24,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:24,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:24,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 19:55:24,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:24,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:24,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:24,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:24,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:24,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:24,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:24,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:55:24,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:24,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:24,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:24,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:24,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:24,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:24,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:24,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:24,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:24,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:24,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:24,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:25,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:25,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:55:25,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:25,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:55:25,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:25,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:25,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:25,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:25,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 19:55:25,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:25,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 19:55:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:25,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:25,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:55:25,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:25,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:55:25,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:25,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:25,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:25,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:25,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 19:55:25,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:25,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:55:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:25,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:55:30,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:55:30,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:55:30,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-28 19:55:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 19:55:30,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:30,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:55:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:30,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:30,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:30,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:30,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:30,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:30,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:30,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 19:55:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:55:30,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:55:30,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 19:55:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 19:55:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:30,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:55:30,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992951111] [2020-10-28 19:55:30,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:30,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:55:30,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917981235] [2020-10-28 19:55:30,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:55:30,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:30,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:55:30,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:55:30,413 INFO L87 Difference]: Start difference. First operand 801 states and 1178 transitions. Second operand 9 states. [2020-10-28 19:55:30,804 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:55:30,943 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:55:31,147 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:55:34,952 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:55:35,790 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:55:45,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:45,809 INFO L93 Difference]: Finished difference Result 3268 states and 5140 transitions. [2020-10-28 19:55:45,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:55:45,811 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-28 19:55:45,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:45,830 INFO L225 Difference]: With dead ends: 3268 [2020-10-28 19:55:45,830 INFO L226 Difference]: Without dead ends: 2496 [2020-10-28 19:55:45,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-28 19:55:45,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-28 19:55:46,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1586. [2020-10-28 19:55:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2020-10-28 19:55:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2344 transitions. [2020-10-28 19:55:46,147 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2344 transitions. Word has length 204 [2020-10-28 19:55:46,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:46,147 INFO L481 AbstractCegarLoop]: Abstraction has 1586 states and 2344 transitions. [2020-10-28 19:55:46,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:55:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2344 transitions. [2020-10-28 19:55:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 19:55:46,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:46,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:46,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:55:46,152 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:46,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:46,152 INFO L82 PathProgramCache]: Analyzing trace with hash 2046062702, now seen corresponding path program 1 times [2020-10-28 19:55:46,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:46,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428838620] [2020-10-28 19:55:46,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:46,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:46,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:46,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:46,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:46,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:46,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:46,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:46,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:51,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 19:55:51,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:55:51,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 19:55:51,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:51,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:51,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:55:51,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:51,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-28 19:55:51,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:51,600 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 19:55:51,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:51,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:51,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:51,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:51,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 19:55:51,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:51,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:51,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:51,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:51,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:51,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:51,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:55:51,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:51,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:51,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:51,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:51,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:51,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:51,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:51,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:51,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:51,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:51,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:51,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:51,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:51,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:51,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:55:51,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:51,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:55:51,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:51,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 19:55:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:51,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 19:55:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:51,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:51,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:55:51,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:51,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:55:51,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:51,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 19:55:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:51,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:55:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:51,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:55:56,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:55:56,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:55:56,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 19:55:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 19:55:56,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:56,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:56,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:56,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:56,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:56,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:56,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:56,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:56,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:56,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:56,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:56,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:56,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:56,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:55:56,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:56,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:56,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:56,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:56,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:56,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:56,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:56,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:56,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:56,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:56,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 19:55:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:55:56,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:55:56,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 19:55:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:56,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:56,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 19:55:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:56,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:56,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:56,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:56,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:56,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:56,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:55:57,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428838620] [2020-10-28 19:55:57,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:57,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:57,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179349570] [2020-10-28 19:55:57,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:57,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:57,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:57,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:57,076 INFO L87 Difference]: Start difference. First operand 1586 states and 2344 transitions. Second operand 8 states. [2020-10-28 19:55:57,476 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:55:57,621 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:55:57,837 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:56:01,352 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:56:02,156 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:56:12,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:12,361 INFO L93 Difference]: Finished difference Result 6445 states and 10199 transitions. [2020-10-28 19:56:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:56:12,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2020-10-28 19:56:12,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:12,396 INFO L225 Difference]: With dead ends: 6445 [2020-10-28 19:56:12,396 INFO L226 Difference]: Without dead ends: 4888 [2020-10-28 19:56:12,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:56:12,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4888 states. [2020-10-28 19:56:12,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4888 to 3146. [2020-10-28 19:56:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3146 states. [2020-10-28 19:56:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 4662 transitions. [2020-10-28 19:56:12,976 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 4662 transitions. Word has length 204 [2020-10-28 19:56:12,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:12,977 INFO L481 AbstractCegarLoop]: Abstraction has 3146 states and 4662 transitions. [2020-10-28 19:56:12,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:56:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 4662 transitions. [2020-10-28 19:56:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 19:56:12,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:12,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:56:12,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 19:56:12,980 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:12,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:12,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1016070959, now seen corresponding path program 1 times [2020-10-28 19:56:12,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:12,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202782682] [2020-10-28 19:56:12,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:13,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:13,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:13,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:13,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:13,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:13,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:13,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 19:56:18,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:56:18,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 19:56:18,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:56:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-28 19:56:18,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,400 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 19:56:18,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:18,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:18,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 19:56:18,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:18,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:18,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:18,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:18,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:18,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:56:18,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:18,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:18,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:18,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:18,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:18,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:56:18,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:18,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:18,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:18,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:56:18,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:18,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:56:18,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:18,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:18,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 19:56:18,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 19:56:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:56:18,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:56:18,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 19:56:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:56:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:19,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:56:23,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:56:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:56:23,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 19:56:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 19:56:23,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:23,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:23,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:23,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:23,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:23,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:23,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:23,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:23,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:23,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:23,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:23,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:23,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:23,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:23,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:23,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:23,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:23,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:23,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:56:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:23,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:23,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:23,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 19:56:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:56:23,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:56:23,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 19:56:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:23,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 19:56:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:23,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:23,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:23,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:23,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:23,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:56:23,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202782682] [2020-10-28 19:56:23,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:23,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:56:23,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565436359] [2020-10-28 19:56:23,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:56:23,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:23,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:56:23,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:56:23,862 INFO L87 Difference]: Start difference. First operand 3146 states and 4662 transitions. Second operand 8 states. [2020-10-28 19:56:24,262 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:56:24,407 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:56:24,620 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:56:28,000 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:56:28,756 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:56:39,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:39,267 INFO L93 Difference]: Finished difference Result 12725 states and 20301 transitions. [2020-10-28 19:56:39,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:56:39,271 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2020-10-28 19:56:39,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:39,332 INFO L225 Difference]: With dead ends: 12725 [2020-10-28 19:56:39,332 INFO L226 Difference]: Without dead ends: 9608 [2020-10-28 19:56:39,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:56:39,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9608 states. [2020-10-28 19:56:40,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9608 to 6246. [2020-10-28 19:56:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6246 states. [2020-10-28 19:56:40,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6246 states to 6246 states and 9276 transitions. [2020-10-28 19:56:40,879 INFO L78 Accepts]: Start accepts. Automaton has 6246 states and 9276 transitions. Word has length 204 [2020-10-28 19:56:40,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:40,880 INFO L481 AbstractCegarLoop]: Abstraction has 6246 states and 9276 transitions. [2020-10-28 19:56:40,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:56:40,880 INFO L276 IsEmpty]: Start isEmpty. Operand 6246 states and 9276 transitions. [2020-10-28 19:56:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 19:56:40,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:40,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:56:40,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 19:56:40,886 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:40,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:40,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1178007950, now seen corresponding path program 1 times [2020-10-28 19:56:40,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:40,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026337002] [2020-10-28 19:56:40,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:40,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:41,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:41,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:41,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:41,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:41,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:41,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:41,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:45,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:45,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 19:56:45,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:56:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 19:56:45,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:45,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:56:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 19:56:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:46,324 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 19:56:46,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:46,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:46,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:46,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:46,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:56:46,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:46,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:46,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:46,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:46,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:46,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:46,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:46,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:46,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:46,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:46,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:46,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:46,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:46,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:46,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:46,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:46,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:46,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:46,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:46,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:46,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:56:46,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:56:46,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:46,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 19:56:46,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:46,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 19:56:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:46,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:46,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:56:46,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:46,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:56:46,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:46,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 19:56:46,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:46,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:56:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:46,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:46,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:48,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:56:51,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:56:51,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:56:51,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 19:56:51,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:51,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:56:51,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:51,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:51,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:51,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:51,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:51,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:51,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:51,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:51,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:51,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:51,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:51,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:51,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:51,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:51,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:51,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:51,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:51,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:51,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:56:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:51,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:51,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:51,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:51,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:51,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:56:51,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 19:56:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:56:51,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:56:51,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 19:56:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:51,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 19:56:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:51,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:51,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:51,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:51,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:51,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:51,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:51,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:51,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:56:51,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026337002] [2020-10-28 19:56:51,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:51,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:56:51,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081000556] [2020-10-28 19:56:51,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:56:51,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:51,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:56:51,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:56:51,726 INFO L87 Difference]: Start difference. First operand 6246 states and 9276 transitions. Second operand 8 states. [2020-10-28 19:56:52,111 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:56:52,290 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:56:52,499 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:56:57,880 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:56:58,394 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:57:05,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:05,868 INFO L93 Difference]: Finished difference Result 25021 states and 39895 transitions. [2020-10-28 19:57:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:57:05,871 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2020-10-28 19:57:05,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:05,978 INFO L225 Difference]: With dead ends: 25021 [2020-10-28 19:57:05,978 INFO L226 Difference]: Without dead ends: 18804 [2020-10-28 19:57:06,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:57:06,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18804 states. [2020-10-28 19:57:08,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18804 to 13354. [2020-10-28 19:57:08,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13354 states. [2020-10-28 19:57:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13354 states to 13354 states and 20139 transitions. [2020-10-28 19:57:08,560 INFO L78 Accepts]: Start accepts. Automaton has 13354 states and 20139 transitions. Word has length 204 [2020-10-28 19:57:08,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:08,561 INFO L481 AbstractCegarLoop]: Abstraction has 13354 states and 20139 transitions. [2020-10-28 19:57:08,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:57:08,561 INFO L276 IsEmpty]: Start isEmpty. Operand 13354 states and 20139 transitions. [2020-10-28 19:57:08,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-28 19:57:08,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:08,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:08,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 19:57:08,583 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:08,584 INFO L82 PathProgramCache]: Analyzing trace with hash 768171304, now seen corresponding path program 1 times [2020-10-28 19:57:08,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:08,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407861985] [2020-10-28 19:57:08,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:08,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-10-28 19:57:13,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 19:57:13,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 19:57:13,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:57:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:57:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-28 19:57:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,991 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 19:57:13,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:14,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:14,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:14,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:14,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:57:14,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:14,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:14,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:14,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:14,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:57:14,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:14,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:57:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:14,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:14,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:14,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:14,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:57:14,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:14,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:14,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:14,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:14,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:57:14,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:14,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:57:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:14,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:14,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:57:14,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:14,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:14,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:14,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:57:14,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:14,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:57:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:14,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:14,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:57:14,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:14,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:57:14,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:14,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 19:57:14,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:14,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 19:57:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:14,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:14,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:57:14,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:14,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:57:14,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:14,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:14,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:14,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:14,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 19:57:14,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:14,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:57:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:14,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:14,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:57:19,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:57:19,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 19:57:19,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:57:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:57:19,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:57:19,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:19,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:19,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:57:19,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:19,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 19:57:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 19:57:19,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:57:19,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 19:57:19,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 19:57:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:19,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:19,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:19,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:19,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:19,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-28 19:57:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:19,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:19,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:22,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:24,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 19:57:24,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:57:24,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:57:24,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:24,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:24,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:57:24,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 19:57:24,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:57:24,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:24,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:57:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:24,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:26,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:29,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 19:57:29,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:57:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:57:29,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:29,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:57:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 19:57:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:57:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:29,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:31,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:57:34,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:57:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:57:34,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:57:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:57:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:57:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:57:34,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:57:34,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:34,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:34,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:34,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:34,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:57:34,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-28 19:57:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:34,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:34,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-28 19:57:34,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407861985] [2020-10-28 19:57:34,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:57:34,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 19:57:34,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760283271] [2020-10-28 19:57:34,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 19:57:34,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:57:34,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 19:57:34,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-10-28 19:57:34,895 INFO L87 Difference]: Start difference. First operand 13354 states and 20139 transitions. Second operand 16 states. [2020-10-28 19:57:35,265 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 19:57:35,434 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:57:35,674 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:57:37,645 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 19:57:38,018 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 19:57:38,409 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 19:57:38,774 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 19:57:39,056 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-28 19:57:39,480 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 19:57:39,904 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 19:57:40,093 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-28 19:57:40,491 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 19:57:40,683 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-28 19:57:41,067 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 19:57:45,797 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 19:57:47,021 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 19:57:47,462 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 19:57:48,084 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 19:57:48,568 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 19:57:50,016 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 19:57:50,670 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 19:57:51,112 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 19:57:51,384 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 19:57:51,814 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 19:57:52,054 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 19:57:52,469 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 19:57:59,272 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 19:57:59,479 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 19:57:59,688 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-28 19:57:59,889 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-28 19:58:07,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:58:07,102 INFO L93 Difference]: Finished difference Result 56501 states and 93206 transitions. [2020-10-28 19:58:07,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-28 19:58:07,103 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 338 [2020-10-28 19:58:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:58:07,379 INFO L225 Difference]: With dead ends: 56501 [2020-10-28 19:58:07,379 INFO L226 Difference]: Without dead ends: 43176 [2020-10-28 19:58:07,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=478, Invalid=2072, Unknown=0, NotChecked=0, Total=2550 [2020-10-28 19:58:07,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43176 states.