/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:03:51,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:03:51,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:03:51,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:03:51,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:03:51,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:03:51,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:03:51,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:03:51,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:03:51,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:03:51,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:03:51,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:03:51,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:03:51,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:03:51,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:03:51,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:03:51,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:03:51,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:03:51,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:03:51,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:03:51,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:03:51,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:03:51,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:03:51,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:03:51,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:03:51,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:03:51,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:03:51,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:03:51,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:03:51,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:03:51,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:03:51,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:03:51,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:03:51,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:03:51,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:03:51,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:03:51,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:03:51,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:03:51,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:03:51,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:03:51,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:03:51,270 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 [2020-09-25 08:03:51,317 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:03:51,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:03:51,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:03:51,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:03:51,320 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:03:51,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:03:51,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:03:51,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:03:51,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:03:51,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:03:51,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:03:51,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:03:51,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:03:51,323 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:03:51,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:03:51,324 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:03:51,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:03:51,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:03:51,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:03:51,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:03:51,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:03:51,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:03:51,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:03:51,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:03:51,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:03:51,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:03:51,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:03:51,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:03:51,326 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:03:51,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=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=0.8;log-additional-information=true; [2020-09-25 08:03:51,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:03:51,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:03:51,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:03:51,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:03:51,835 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:03:51,836 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-25 08:03:51,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/846b33685/1181a51fb10c40b2ae5674b1765680f6/FLAGa662ec6a9 [2020-09-25 08:03:52,502 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:03:52,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-25 08:03:52,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/846b33685/1181a51fb10c40b2ae5674b1765680f6/FLAGa662ec6a9 [2020-09-25 08:03:52,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/846b33685/1181a51fb10c40b2ae5674b1765680f6 [2020-09-25 08:03:52,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:03:52,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:03:52,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:03:52,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:03:52,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:03:52,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:03:52" (1/1) ... [2020-09-25 08:03:52,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7decd891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:52, skipping insertion in model container [2020-09-25 08:03:52,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:03:52" (1/1) ... [2020-09-25 08:03:52,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:03:52,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:03:53,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:03:53,197 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:03:53,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:03:53,353 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:03:53,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:53 WrapperNode [2020-09-25 08:03:53,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:03:53,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:03:53,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:03:53,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:03:53,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:53" (1/1) ... [2020-09-25 08:03:53,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:53" (1/1) ... [2020-09-25 08:03:53,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:53" (1/1) ... [2020-09-25 08:03:53,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:53" (1/1) ... [2020-09-25 08:03:53,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:53" (1/1) ... [2020-09-25 08:03:53,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:53" (1/1) ... [2020-09-25 08:03:53,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:53" (1/1) ... [2020-09-25 08:03:53,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:03:53,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:03:53,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:03:53,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:03:53,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:53" (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 [2020-09-25 08:03:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:03:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:03:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 08:03:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 08:03:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 08:03:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 08:03:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 08:03:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 08:03:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 08:03:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 08:03:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 08:03:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 08:03:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 08:03:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 08:03:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 08:03:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 08:03:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 08:03:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 08:03:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 08:03:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 08:03:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:03:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:03:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 08:03:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 08:03:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 08:03:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 08:03:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:03:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 08:03:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 08:03:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 08:03:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 08:03:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 08:03:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 08:03:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 08:03:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 08:03:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 08:03:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 08:03:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 08:03:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 08:03:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 08:03:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 08:03:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:03:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:03:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:03:54,036 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:03:54,036 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 08:03:54,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:03:54 BoogieIcfgContainer [2020-09-25 08:03:54,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:03:54,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:03:54,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:03:54,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:03:54,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:03:52" (1/3) ... [2020-09-25 08:03:54,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f623d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:03:54, skipping insertion in model container [2020-09-25 08:03:54,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:03:53" (2/3) ... [2020-09-25 08:03:54,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f623d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:03:54, skipping insertion in model container [2020-09-25 08:03:54,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:03:54" (3/3) ... [2020-09-25 08:03:54,059 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-1.c [2020-09-25 08:03:54,073 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:03:54,089 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:03:54,108 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:03:54,141 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:03:54,141 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:03:54,141 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:03:54,141 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:03:54,142 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:03:54,142 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:03:54,142 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:03:54,142 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:03:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2020-09-25 08:03:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-25 08:03:54,196 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:03:54,198 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] [2020-09-25 08:03:54,198 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:03:54,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:03:54,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1066956110, now seen corresponding path program 1 times [2020-09-25 08:03:54,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:03:54,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240021671] [2020-09-25 08:03:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:03:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:54,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:54,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:55,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:56,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:56,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-25 08:03:56,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:03:56,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2062 [2020-09-25 08:03:56,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:56,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 08:03:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:03:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-25 08:03:56,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:03:56,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:03:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:56,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:56,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:56,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 08:03:56,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:03:56,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 08:03:56,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:56,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:56,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:03:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:03:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:03:56,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:03:56,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 08:03:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:56,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:56,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:56,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:03:56,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:03:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:03:56,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:56,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:56,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:03:56,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:03:56,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:03:56,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:03:56,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 08:03:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:56,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:56,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:56,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:03:56,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:03:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:03:56,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:56,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:03:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:03:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:03:56,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:03:56,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 08:03:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:56,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:56,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:56,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:03:56,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:03:56,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:03:56,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:56,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:03:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:03:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:03:56,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 08:03:57,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 08:03:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:57,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:57,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:57,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:03:57,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:03:57,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 08:03:57,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:57,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:03:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:03:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:03:57,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:03:57,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 08:03:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:57,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:57,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:57,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:57,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:03:57,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:03:57,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 08:03:57,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:57,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:57,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:03:57,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:03:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 08:03:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:03:57,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:03:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:57,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:57,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:03:57,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:03:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:03:57,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:57,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:03:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:03:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:03:57,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:03:57,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:03:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:57,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:57,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:57,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:03:57,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:03:57,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:03:57,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:57,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:57,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:03:57,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:03:57,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:03:57,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:03:57,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 08:03:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:57,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:57,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:57,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:03:57,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:03:57,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:03:57,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:57,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:03:57,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:03:57,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:03:57,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 08:03:57,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:03:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:03:57,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:03:57,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:03:57,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:03:57,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:03:57,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:03:57,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:03:57,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:03:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:03:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:03:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:03:57,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:03:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:03:57,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240021671] [2020-09-25 08:03:57,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:03:57,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 08:03:57,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969072932] [2020-09-25 08:03:57,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 08:03:57,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:03:57,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 08:03:57,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 08:03:57,218 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 8 states. [2020-09-25 08:04:00,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:00,582 INFO L93 Difference]: Finished difference Result 1032 states and 1403 transitions. [2020-09-25 08:04:00,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 08:04:00,585 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-09-25 08:04:00,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:00,614 INFO L225 Difference]: With dead ends: 1032 [2020-09-25 08:04:00,614 INFO L226 Difference]: Without dead ends: 823 [2020-09-25 08:04:00,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2020-09-25 08:04:00,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2020-09-25 08:04:00,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 576. [2020-09-25 08:04:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-09-25 08:04:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 714 transitions. [2020-09-25 08:04:00,770 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 714 transitions. Word has length 107 [2020-09-25 08:04:00,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:00,772 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 714 transitions. [2020-09-25 08:04:00,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 08:04:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 714 transitions. [2020-09-25 08:04:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 08:04:00,780 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:00,780 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:04:00,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:04:00,781 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:00,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:00,781 INFO L82 PathProgramCache]: Analyzing trace with hash -517401199, now seen corresponding path program 1 times [2020-09-25 08:04:00,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:00,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017561898] [2020-09-25 08:04:00,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:00,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:00,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 08:04:02,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:04:02,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2030 [2020-09-25 08:04:02,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:02,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 08:04:02,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 08:04:02,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:02,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:02,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:02,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 08:04:02,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:02,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:04:02,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:02,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:02,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:02,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 08:04:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:03,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:03,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 08:04:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:04:03,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:03,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 08:04:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:03,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 08:04:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:03,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 08:04:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:04:03,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:03,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:03,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:03,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:03,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 08:04:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:03,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:04:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:03,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 08:04:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 08:04:03,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 08:04:03,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:03,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 08:04:03,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:04:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 08:04:03,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:03,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:04:03,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:03,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:03,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:03,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:03,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:03,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:03,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 08:04:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:03,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:03,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:03,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:03,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:03,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:04:03,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:03,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:03,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:03,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:03,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:04:03,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 08:04:03,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017561898] [2020-09-25 08:04:03,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:03,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 08:04:03,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023013921] [2020-09-25 08:04:03,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 08:04:03,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:03,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 08:04:03,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 08:04:03,326 INFO L87 Difference]: Start difference. First operand 576 states and 714 transitions. Second operand 8 states. [2020-09-25 08:04:05,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:05,757 INFO L93 Difference]: Finished difference Result 2050 states and 2717 transitions. [2020-09-25 08:04:05,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 08:04:05,757 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2020-09-25 08:04:05,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:05,781 INFO L225 Difference]: With dead ends: 2050 [2020-09-25 08:04:05,781 INFO L226 Difference]: Without dead ends: 1514 [2020-09-25 08:04:05,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2020-09-25 08:04:05,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2020-09-25 08:04:05,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1101. [2020-09-25 08:04:05,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1101 states. [2020-09-25 08:04:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1418 transitions. [2020-09-25 08:04:05,964 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1418 transitions. Word has length 170 [2020-09-25 08:04:05,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:05,968 INFO L479 AbstractCegarLoop]: Abstraction has 1101 states and 1418 transitions. [2020-09-25 08:04:05,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 08:04:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1418 transitions. [2020-09-25 08:04:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-25 08:04:05,991 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:05,992 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-09-25 08:04:05,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:04:05,993 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:05,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:05,993 INFO L82 PathProgramCache]: Analyzing trace with hash 144736441, now seen corresponding path program 1 times [2020-09-25 08:04:05,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:05,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134781566] [2020-09-25 08:04:05,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:06,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:06,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:06,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:06,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:06,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:07,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 08:04:11,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 08:04:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 08:04:11,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194 [2020-09-25 08:04:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 08:04:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 08:04:11,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:04:11,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:11,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 08:04:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:11,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:11,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 08:04:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:04:11,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:11,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 08:04:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:11,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:11,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 08:04:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:11,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:11,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 08:04:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:04:11,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:11,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:11,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:11,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:11,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:11,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 08:04:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:11,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 08:04:11,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:04:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:11,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:11,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 08:04:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 08:04:11,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:04:11,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:11,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:04:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 08:04:11,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:11,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:04:11,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:11,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:11,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:11,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:11,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:11,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 08:04:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 08:04:11,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 08:04:11,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 08:04:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 08:04:11,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:04:11,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 08:04:11,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 08:04:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:04:11,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 08:04:11,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:04:11,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 08:04:11,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:11,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:11,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 08:04:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:11,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:11,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:04:11,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:11,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 08:04:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:11,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:11,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:11,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:11,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:11,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:11,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:11,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:11,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:11,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-09-25 08:04:11,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134781566] [2020-09-25 08:04:11,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:11,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:04:11,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096823521] [2020-09-25 08:04:11,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:04:11,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:11,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:04:11,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:04:11,588 INFO L87 Difference]: Start difference. First operand 1101 states and 1418 transitions. Second operand 10 states. [2020-09-25 08:04:14,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:14,691 INFO L93 Difference]: Finished difference Result 3886 states and 5379 transitions. [2020-09-25 08:04:14,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 08:04:14,691 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 219 [2020-09-25 08:04:14,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:14,713 INFO L225 Difference]: With dead ends: 3886 [2020-09-25 08:04:14,714 INFO L226 Difference]: Without dead ends: 2831 [2020-09-25 08:04:14,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2020-09-25 08:04:14,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2020-09-25 08:04:14,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2077. [2020-09-25 08:04:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2077 states. [2020-09-25 08:04:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 2627 transitions. [2020-09-25 08:04:14,882 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 2627 transitions. Word has length 219 [2020-09-25 08:04:14,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:14,884 INFO L479 AbstractCegarLoop]: Abstraction has 2077 states and 2627 transitions. [2020-09-25 08:04:14,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:04:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2627 transitions. [2020-09-25 08:04:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-09-25 08:04:14,897 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:14,897 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:04:14,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:04:14,898 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:14,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:14,898 INFO L82 PathProgramCache]: Analyzing trace with hash 2081344347, now seen corresponding path program 1 times [2020-09-25 08:04:14,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:14,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927975832] [2020-09-25 08:04:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:14,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:15,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:15,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:15,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:15,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:15,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:19,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:19,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 384 [2020-09-25 08:04:19,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 08:04:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 08:04:19,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:19,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 08:04:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 08:04:19,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:20,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 08:04:20,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:04:20,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:20,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 08:04:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:20,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:20,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:04:20,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:20,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 08:04:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:04:20,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:20,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:04:20,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:20,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 08:04:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:20,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:20,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 08:04:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:04:20,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 08:04:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:20,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:20,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:20,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 08:04:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:04:20,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:20,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 08:04:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:20,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:20,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:20,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:20,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:20,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 08:04:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:20,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:20,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:04:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:20,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:20,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 08:04:20,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 08:04:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:20,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:20,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:20,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-25 08:04:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:20,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:20,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:20,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 08:04:20,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:04:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:20,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 08:04:20,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:04:20,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-09-25 08:04:20,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:20,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-25 08:04:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:20,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:20,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:20,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:20,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:04:21,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:04:21,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-09-25 08:04:21,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:04:21,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 08:04:21,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:04:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-25 08:04:21,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:21,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:21,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:21,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:21,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:21,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 08:04:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:21,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:21,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:21,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:21,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 08:04:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:21,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:21,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:04:21,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 08:04:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 08:04:21,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:21,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 08:04:21,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 08:04:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:21,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:04:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 08:04:21,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:21,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 08:04:21,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 08:04:21,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:21,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 08:04:21,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:21,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:21,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:21,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:21,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:21,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:21,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:21,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:21,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 08:04:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 08:04:21,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:21,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 08:04:21,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 08:04:21,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:21,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:04:21,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:21,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 08:04:21,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:21,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 08:04:21,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:21,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 08:04:21,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:21,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:21,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:21,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:21,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:21,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 08:04:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:21,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:21,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:21,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:21,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-25 08:04:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:21,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:21,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:21,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:21,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:21,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:21,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:21,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:22,023 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-09-25 08:04:22,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927975832] [2020-09-25 08:04:22,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:22,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:04:22,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357291176] [2020-09-25 08:04:22,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:04:22,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:22,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:04:22,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:04:22,028 INFO L87 Difference]: Start difference. First operand 2077 states and 2627 transitions. Second operand 10 states. [2020-09-25 08:04:23,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:23,900 INFO L93 Difference]: Finished difference Result 4406 states and 5629 transitions. [2020-09-25 08:04:23,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 08:04:23,900 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 313 [2020-09-25 08:04:23,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:23,918 INFO L225 Difference]: With dead ends: 4406 [2020-09-25 08:04:23,918 INFO L226 Difference]: Without dead ends: 2367 [2020-09-25 08:04:23,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 08:04:23,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-09-25 08:04:24,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 1753. [2020-09-25 08:04:24,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1753 states. [2020-09-25 08:04:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2212 transitions. [2020-09-25 08:04:24,033 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2212 transitions. Word has length 313 [2020-09-25 08:04:24,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:24,034 INFO L479 AbstractCegarLoop]: Abstraction has 1753 states and 2212 transitions. [2020-09-25 08:04:24,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:04:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2212 transitions. [2020-09-25 08:04:24,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-25 08:04:24,041 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:24,041 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 08:04:24,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:04:24,041 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:24,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:24,042 INFO L82 PathProgramCache]: Analyzing trace with hash -469744976, now seen corresponding path program 1 times [2020-09-25 08:04:24,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:24,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420882583] [2020-09-25 08:04:24,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:24,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:24,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:24,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:24,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:25,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-25 08:04:29,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:04:29,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 08:04:29,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:29,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-09-25 08:04:29,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 08:04:29,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 08:04:29,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:29,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 08:04:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:29,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:29,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 08:04:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:04:29,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:29,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 08:04:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:29,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:29,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 08:04:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:29,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:29,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 08:04:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:04:29,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:29,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:29,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:29,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:29,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:29,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:29,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 08:04:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:29,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:29,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:04:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:29,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:29,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 08:04:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 08:04:29,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 08:04:29,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:29,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 08:04:29,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:04:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 08:04:29,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:04:29,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:04:29,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:29,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:29,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:29,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:29,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:29,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 08:04:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:29,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:29,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:04:29,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 08:04:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:29,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:29,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:29,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:04:29,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 08:04:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 08:04:29,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:29,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 08:04:29,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:29,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-25 08:04:29,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 08:04:29,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:04:29,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:29,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 08:04:29,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 08:04:29,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:29,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 08:04:29,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:29,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 08:04:29,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 08:04:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:29,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:29,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:29,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 08:04:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:29,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:04:29,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:04:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:29,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 08:04:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:29,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:29,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:29,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:29,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:29,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:29,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:29,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-09-25 08:04:29,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420882583] [2020-09-25 08:04:29,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:04:29,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:04:29,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019461910] [2020-09-25 08:04:29,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:04:29,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:29,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:04:29,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:04:29,844 INFO L87 Difference]: Start difference. First operand 1753 states and 2212 transitions. Second operand 10 states. [2020-09-25 08:04:31,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:31,828 INFO L93 Difference]: Finished difference Result 4109 states and 5422 transitions. [2020-09-25 08:04:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 08:04:31,829 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 248 [2020-09-25 08:04:31,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:31,845 INFO L225 Difference]: With dead ends: 4109 [2020-09-25 08:04:31,846 INFO L226 Difference]: Without dead ends: 2393 [2020-09-25 08:04:31,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-25 08:04:31,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2020-09-25 08:04:31,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 1905. [2020-09-25 08:04:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1905 states. [2020-09-25 08:04:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1905 states and 2339 transitions. [2020-09-25 08:04:31,971 INFO L78 Accepts]: Start accepts. Automaton has 1905 states and 2339 transitions. Word has length 248 [2020-09-25 08:04:31,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:31,972 INFO L479 AbstractCegarLoop]: Abstraction has 1905 states and 2339 transitions. [2020-09-25 08:04:31,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:04:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2339 transitions. [2020-09-25 08:04:31,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-25 08:04:31,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:31,981 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-09-25 08:04:31,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 08:04:31,982 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:31,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:31,982 INFO L82 PathProgramCache]: Analyzing trace with hash 682966476, now seen corresponding path program 1 times [2020-09-25 08:04:31,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:31,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670056986] [2020-09-25 08:04:31,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:32,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:32,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:32,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:33,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:33,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:34,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-25 08:04:37,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 08:04:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 08:04:37,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-09-25 08:04:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 08:04:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 08:04:37,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:37,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 08:04:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:37,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:37,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 08:04:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:04:37,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:37,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 08:04:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:37,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:37,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 08:04:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:37,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:37,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 08:04:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:04:37,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:37,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:37,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:37,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:37,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:37,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 08:04:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:37,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:37,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:04:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:37,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:37,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:04:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 08:04:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:37,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:04:37,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:37,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 08:04:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:37,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:37,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:37,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 08:04:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 08:04:37,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 08:04:37,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 08:04:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:04:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 08:04:37,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:37,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 08:04:37,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 08:04:37,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:37,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 08:04:37,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:37,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:37,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:37,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:37,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:37,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 08:04:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 08:04:37,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 08:04:37,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 08:04:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:04:37,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 08:04:37,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:37,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 08:04:37,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:04:37,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:37,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:37,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:37,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:37,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 08:04:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:37,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:37,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:37,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 08:04:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:37,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:37,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:37,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:37,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:37,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:37,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:37,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:37,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:37,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:37,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:37,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-09-25 08:04:37,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670056986] [2020-09-25 08:04:37,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 08:04:37,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 08:04:37,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86397040] [2020-09-25 08:04:37,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:04:37,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:37,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:04:37,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:04:37,635 INFO L87 Difference]: Start difference. First operand 1905 states and 2339 transitions. Second operand 9 states. [2020-09-25 08:04:40,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:04:40,063 INFO L93 Difference]: Finished difference Result 4337 states and 5471 transitions. [2020-09-25 08:04:40,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 08:04:40,063 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 248 [2020-09-25 08:04:40,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:04:40,078 INFO L225 Difference]: With dead ends: 4337 [2020-09-25 08:04:40,078 INFO L226 Difference]: Without dead ends: 2471 [2020-09-25 08:04:40,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2020-09-25 08:04:40,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2020-09-25 08:04:40,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 1891. [2020-09-25 08:04:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2020-09-25 08:04:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2301 transitions. [2020-09-25 08:04:40,221 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2301 transitions. Word has length 248 [2020-09-25 08:04:40,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:04:40,222 INFO L479 AbstractCegarLoop]: Abstraction has 1891 states and 2301 transitions. [2020-09-25 08:04:40,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:04:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2301 transitions. [2020-09-25 08:04:40,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-25 08:04:40,230 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:04:40,231 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:04:40,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 08:04:40,231 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:04:40,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:04:40,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1941039277, now seen corresponding path program 1 times [2020-09-25 08:04:40,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:04:40,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855171301] [2020-09-25 08:04:40,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:04:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:40,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:40,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:40,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-25 08:04:41,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:04:41,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1152 [2020-09-25 08:04:41,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:41,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-09-25 08:04:41,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 08:04:41,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 08:04:41,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:41,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 08:04:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:04:41,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:41,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 08:04:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:04:41,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:41,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 08:04:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:41,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:41,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:41,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 08:04:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:41,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:04:41,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 08:04:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:04:41,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:41,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:41,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:41,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:41,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:41,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 08:04:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:41,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:41,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:41,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:04:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:41,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:41,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 08:04:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 08:04:41,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:04:41,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 08:04:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 08:04:41,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:41,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 08:04:41,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:04:41,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:41,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:41,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 08:04:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:41,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:04:41,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:04:41,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 08:04:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:41,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:41,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:04:41,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 08:04:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:41,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:04:41,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:04:41,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:04:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:04:41,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 08:04:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 08:04:41,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:04:41,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 08:04:41,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 08:04:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:04:41,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:04:41,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:04:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 08:04:41,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:04:41,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:04:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:41,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:41,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 08:04:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:04:41,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:41,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:04:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 08:04:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:04:41,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:04:41,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:04:41,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:04:41,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:04:41,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:04:41,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:04:41,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:04:41,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:04:41,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 08:04:41,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:04:41,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:04:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-09-25 08:04:41,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855171301] [2020-09-25 08:04:41,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 08:04:41,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 08:04:41,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056729161] [2020-09-25 08:04:41,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:04:41,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:04:41,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:04:41,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:04:41,817 INFO L87 Difference]: Start difference. First operand 1891 states and 2301 transitions. Second operand 9 states.