/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.08.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:51:40,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:51:40,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:51:40,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:51:40,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:51:40,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:51:40,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:51:40,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:51:40,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:51:40,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:51:40,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:51:40,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:51:40,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:51:40,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:51:40,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:51:40,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:51:40,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:51:40,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:51:40,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:51:40,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:51:40,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:51:40,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:51:40,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:51:40,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:51:40,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:51:40,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:51:40,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:51:40,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:51:40,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:51:40,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:51:40,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:51:40,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:51:40,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:51:40,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:51:40,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:51:40,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:51:40,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:51:40,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:51:40,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:51:40,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:51:40,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:51:40,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 04:51:40,371 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:51:40,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:51:40,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:51:40,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:51:40,374 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:51:40,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:51:40,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:51:40,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:51:40,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:51:40,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:51:40,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:51:40,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:51:40,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:51:40,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:51:40,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:51:40,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:51:40,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:51:40,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:51:40,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:51:40,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:51:40,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:51:40,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:51:40,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:51:40,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:51:40,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:51:40,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:51:40,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:51:40,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:51:40,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:51:40,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:51:40,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:51:40,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:51:40,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:51:40,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:51:40,709 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:51:40,709 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.08.cil-2.c [2020-10-15 04:51:40,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85fbacddf/4f12795c17024094993eaada18719ec8/FLAG9d44f1074 [2020-10-15 04:51:41,245 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:51:41,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.08.cil-2.c [2020-10-15 04:51:41,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85fbacddf/4f12795c17024094993eaada18719ec8/FLAG9d44f1074 [2020-10-15 04:51:41,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85fbacddf/4f12795c17024094993eaada18719ec8 [2020-10-15 04:51:41,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:51:41,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:51:41,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:51:41,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:51:41,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:51:41,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:51:41" (1/1) ... [2020-10-15 04:51:41,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11098d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:41, skipping insertion in model container [2020-10-15 04:51:41,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:51:41" (1/1) ... [2020-10-15 04:51:41,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:51:41,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:51:41,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:51:41,923 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:51:42,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:51:42,131 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:51:42,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:42 WrapperNode [2020-10-15 04:51:42,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:51:42,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:51:42,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:51:42,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:51:42,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:42" (1/1) ... [2020-10-15 04:51:42,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:42" (1/1) ... [2020-10-15 04:51:42,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:42" (1/1) ... [2020-10-15 04:51:42,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:42" (1/1) ... [2020-10-15 04:51:42,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:42" (1/1) ... [2020-10-15 04:51:42,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:42" (1/1) ... [2020-10-15 04:51:42,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:42" (1/1) ... [2020-10-15 04:51:42,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:51:42,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:51:42,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:51:42,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:51:42,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:51:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:51:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:51:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-15 04:51:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-15 04:51:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-15 04:51:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-15 04:51:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-15 04:51:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-15 04:51:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-15 04:51:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-15 04:51:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-15 04:51:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-15 04:51:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-15 04:51:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-15 04:51:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-15 04:51:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-15 04:51:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-15 04:51:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-15 04:51:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-15 04:51:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-15 04:51:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-15 04:51:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-15 04:51:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-15 04:51:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-15 04:51:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-15 04:51:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-15 04:51:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-15 04:51:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-15 04:51:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-15 04:51:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-15 04:51:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-15 04:51:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-15 04:51:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-15 04:51:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-15 04:51:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:51:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:51:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-15 04:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-15 04:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-15 04:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-15 04:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-15 04:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-15 04:51:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-15 04:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-15 04:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-15 04:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-15 04:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-15 04:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-15 04:51:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-15 04:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-15 04:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-15 04:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-15 04:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-15 04:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-15 04:51:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-15 04:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-15 04:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-15 04:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-15 04:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-15 04:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-15 04:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-15 04:51:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-15 04:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-15 04:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-15 04:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-15 04:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-15 04:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-15 04:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-15 04:51:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:51:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:51:43,317 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:51:43,317 INFO L295 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-15 04:51:43,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:51:43 BoogieIcfgContainer [2020-10-15 04:51:43,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:51:43,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:51:43,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:51:43,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:51:43,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:51:41" (1/3) ... [2020-10-15 04:51:43,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61742135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:51:43, skipping insertion in model container [2020-10-15 04:51:43,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:51:42" (2/3) ... [2020-10-15 04:51:43,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61742135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:51:43, skipping insertion in model container [2020-10-15 04:51:43,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:51:43" (3/3) ... [2020-10-15 04:51:43,354 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.08.cil-2.c [2020-10-15 04:51:43,364 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:51:43,373 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:51:43,386 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:51:43,422 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:51:43,423 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:51:43,423 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:51:43,423 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:51:43,423 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:51:43,424 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:51:43,424 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:51:43,424 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:51:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states. [2020-10-15 04:51:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:51:43,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:51:43,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:51:43,486 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:51:43,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:51:43,492 INFO L82 PathProgramCache]: Analyzing trace with hash -17079978, now seen corresponding path program 1 times [2020-10-15 04:51:43,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:51:43,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556515423] [2020-10-15 04:51:43,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:51:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:43,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:44,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:44,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:44,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:44,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:44,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:45,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:48,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:48,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:51:48,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 04:51:48,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-15 04:51:48,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:48,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:51:48,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:51:48,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 04:51:48,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 04:51:49,100 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:51:49,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:51:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:49,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:49,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:49,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:51:49,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 04:51:49,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:49,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:51:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:49,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:51:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:49,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:49,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:49,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:51:49,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:49,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:51:49,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:49,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:49,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:49,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:49,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:51:49,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:49,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:51:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:49,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:49,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:49,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:51:49,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:49,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:49,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:49,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:49,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:49,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:49,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:51:49,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:49,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:51:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:49,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:49,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:49,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:51:49,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:49,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 04:51:49,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:49,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:49,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:51:49,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:49,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:51:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:49,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:49,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:49,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:51:49,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:49,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 04:51:49,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:49,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:51:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:51:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:51:49,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:49,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:51:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:49,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:49,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:49,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:49,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:49,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:50,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:51:54,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:51:54,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 04:51:54,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:51:54,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-15 04:51:54,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:51:54,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:51:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:54,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:54,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:54,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:54,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:54,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:51:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:54,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:51:54,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:54,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:54,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:54,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:51:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:54,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:54,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:54,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:54,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:51:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:54,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:54,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:54,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:54,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:51:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:54,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:54,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:54,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-15 04:51:54,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:51:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:54,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:51:54,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:51:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:51:54,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:51:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:54,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:54,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:54,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:51:54,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:54,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:51:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:54,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:54,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:51:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:54,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:51:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:54,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:54,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:54,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:51:54,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:54,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:51:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:51:54,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:51:54,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 04:51:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:51:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:54,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:54,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:54,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:51:54,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:54,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:54,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:54,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:54,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:54,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:51:54,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:54,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:54,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:51:54,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556515423] [2020-10-15 04:51:54,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:51:54,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 04:51:54,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197424475] [2020-10-15 04:51:54,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 04:51:54,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:51:54,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 04:51:54,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-15 04:51:54,760 INFO L87 Difference]: Start difference. First operand 361 states. Second operand 12 states. [2020-10-15 04:51:55,005 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:51:56,817 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 04:51:57,016 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-15 04:51:57,282 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 04:51:57,552 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-15 04:52:01,927 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-15 04:52:02,090 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-15 04:52:02,249 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-15 04:52:02,534 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 04:52:05,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:52:05,706 INFO L93 Difference]: Finished difference Result 1473 states and 2455 transitions. [2020-10-15 04:52:05,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 04:52:05,708 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 176 [2020-10-15 04:52:05,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:52:05,743 INFO L225 Difference]: With dead ends: 1473 [2020-10-15 04:52:05,743 INFO L226 Difference]: Without dead ends: 1119 [2020-10-15 04:52:05,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2020-10-15 04:52:05,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2020-10-15 04:52:05,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 694. [2020-10-15 04:52:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-10-15 04:52:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1015 transitions. [2020-10-15 04:52:05,980 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1015 transitions. Word has length 176 [2020-10-15 04:52:05,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:52:05,981 INFO L479 AbstractCegarLoop]: Abstraction has 694 states and 1015 transitions. [2020-10-15 04:52:05,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 04:52:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1015 transitions. [2020-10-15 04:52:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:52:05,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:52:05,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:52:05,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:52:05,987 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:52:05,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:52:05,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1944623532, now seen corresponding path program 1 times [2020-10-15 04:52:05,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:52:05,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1351508243] [2020-10-15 04:52:05,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:52:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:06,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:06,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:06,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:06,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:06,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:06,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:11,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:11,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:52:11,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:52:11,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 04:52:11,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:11,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:52:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:52:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 04:52:11,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:11,205 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:52:11,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:52:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:11,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:11,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:11,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:52:11,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:11,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:52:11,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:11,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:11,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:52:11,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:11,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:52:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:11,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:11,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:11,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:52:11,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:11,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:52:11,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:11,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:52:11,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:11,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:52:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:11,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:11,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:11,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:52:11,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:11,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:11,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:11,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:52:11,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:11,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:52:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:11,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:11,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:11,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:52:11,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:11,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:52:11,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:11,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:11,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:11,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:52:11,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:11,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:52:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:11,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:11,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:11,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:52:11,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:11,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 04:52:11,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:11,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:11,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:52:11,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:52:11,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:52:11,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:11,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:52:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:11,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:11,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:11,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:11,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:11,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:52:16,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:52:16,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 04:52:16,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:52:16,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 04:52:16,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:52:16,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:52:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:16,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:52:16,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:52:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:16,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:52:16,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:16,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:52:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:16,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:52:16,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:52:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:52:16,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:52:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:16,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:16,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:16,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:52:16,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:16,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:52:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:16,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:16,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:16,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:52:16,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:16,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:52:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:16,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:16,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:52:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:16,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:52:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:16,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:16,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:52:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:16,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:52:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:16,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:16,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:52:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:16,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:52:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:16,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:16,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:52:16,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:16,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:52:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:52:16,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:52:16,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 04:52:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:16,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:52:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:16,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:16,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:16,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:52:16,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:16,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:16,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:16,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:52:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:16,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:16,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:52:16,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1351508243] [2020-10-15 04:52:16,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:52:16,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 04:52:16,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898009024] [2020-10-15 04:52:16,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:52:16,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:52:16,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:52:16,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:52:16,696 INFO L87 Difference]: Start difference. First operand 694 states and 1015 transitions. Second operand 13 states. [2020-10-15 04:52:16,871 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:52:18,081 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 04:52:18,246 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-15 04:52:18,509 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 04:52:18,761 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 04:52:23,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:52:23,361 INFO L93 Difference]: Finished difference Result 1796 states and 2791 transitions. [2020-10-15 04:52:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:52:23,362 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-15 04:52:23,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:52:23,370 INFO L225 Difference]: With dead ends: 1796 [2020-10-15 04:52:23,371 INFO L226 Difference]: Without dead ends: 1128 [2020-10-15 04:52:23,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-15 04:52:23,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2020-10-15 04:52:23,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 704. [2020-10-15 04:52:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2020-10-15 04:52:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1018 transitions. [2020-10-15 04:52:23,461 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1018 transitions. Word has length 176 [2020-10-15 04:52:23,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:52:23,461 INFO L479 AbstractCegarLoop]: Abstraction has 704 states and 1018 transitions. [2020-10-15 04:52:23,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 04:52:23,461 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1018 transitions. [2020-10-15 04:52:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:52:23,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:52:23,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:52:23,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 04:52:23,465 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:52:23,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:52:23,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1987321706, now seen corresponding path program 1 times [2020-10-15 04:52:23,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:52:23,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542390749] [2020-10-15 04:52:23,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:52:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:23,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:23,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:23,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:23,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:23,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:25,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:25,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:25,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:25,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:26,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:26,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:26,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:26,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:26,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:26,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:26,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:26,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:27,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:27,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:27,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:28,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:28,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:52:28,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-15 04:52:28,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 04:52:28,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:28,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:28,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:52:28,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-15 04:52:28,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-15 04:52:28,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:28,694 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:52:28,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:52:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:28,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:28,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:28,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:52:28,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:28,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:52:28,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:28,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:28,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:28,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:28,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:28,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:28,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:52:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:28,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:28,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:28,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:52:28,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:28,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:52:28,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:28,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:28,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:28,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:28,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:28,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:52:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:28,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:28,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:28,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:52:28,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:28,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:52:28,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:28,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:28,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:28,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:52:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:28,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:28,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:28,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:52:28,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:28,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:52:28,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:28,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:28,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:28,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:52:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:28,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:28,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:28,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:52:28,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:28,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 04:52:28,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:28,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:28,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:28,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:52:28,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:52:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:28,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:28,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:28,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:28,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:52:30,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:52:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2010 [2020-10-15 04:52:30,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-15 04:52:30,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:30,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:52:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:30,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:30,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:30,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:30,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:30,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:30,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:30,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:52:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:30,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:30,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:30,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:30,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:30,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:30,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:52:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:30,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:30,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:30,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:30,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:30,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:30,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:52:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:30,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:30,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:30,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:30,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:30,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:30,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:30,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:30,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:52:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:30,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:30,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:30,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:30,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:30,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:30,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:30,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:52:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:30,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:30,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:30,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:30,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:30,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:30,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:30,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:30,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:52:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:30,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:30,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:30,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:30,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:30,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:52:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:30,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:30,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:30,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:30,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:30,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:30,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:52:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:30,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:30,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:30,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:30,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:30,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:30,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:30,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:30,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:52:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:30,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:30,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:52:30,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:30,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 04:52:30,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:30,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:30,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:52:30,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:52:30,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:52:30,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:31,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:52:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:31,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:31,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:31,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:52:31,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:31,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:31,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:31,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:52:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:31,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:52:31,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542390749] [2020-10-15 04:52:31,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:52:31,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:52:31,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217963511] [2020-10-15 04:52:31,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:52:31,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:52:31,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:52:31,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:52:31,112 INFO L87 Difference]: Start difference. First operand 704 states and 1018 transitions. Second operand 9 states. [2020-10-15 04:52:32,173 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:52:33,906 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 04:52:39,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:52:39,892 INFO L93 Difference]: Finished difference Result 3123 states and 4704 transitions. [2020-10-15 04:52:39,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 04:52:39,895 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-15 04:52:39,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:52:39,912 INFO L225 Difference]: With dead ends: 3123 [2020-10-15 04:52:39,912 INFO L226 Difference]: Without dead ends: 2447 [2020-10-15 04:52:39,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-15 04:52:39,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2020-10-15 04:52:40,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 1616. [2020-10-15 04:52:40,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1616 states. [2020-10-15 04:52:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2316 transitions. [2020-10-15 04:52:40,109 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2316 transitions. Word has length 176 [2020-10-15 04:52:40,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:52:40,109 INFO L479 AbstractCegarLoop]: Abstraction has 1616 states and 2316 transitions. [2020-10-15 04:52:40,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:52:40,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2316 transitions. [2020-10-15 04:52:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:52:40,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:52:40,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:52:40,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 04:52:40,113 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:52:40,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:52:40,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1143316204, now seen corresponding path program 1 times [2020-10-15 04:52:40,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:52:40,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924685167] [2020-10-15 04:52:40,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:52:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:40,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:40,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:40,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:40,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:40,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:41,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:41,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:41,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:42,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:45,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:45,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:52:45,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-15 04:52:45,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-15 04:52:45,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:45,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:45,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:52:45,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:52:45,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-15 04:52:45,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:45,333 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:52:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:52:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:45,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:45,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:45,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:52:45,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:45,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 04:52:45,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:45,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:45,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:45,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:52:45,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 04:52:45,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:52:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:45,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:45,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:45,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:52:45,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:52:45,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:45,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:52:45,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:45,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:52:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:45,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:45,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:45,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:52:45,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:45,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:45,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:45,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:52:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:45,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:52:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:45,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:45,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:45,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:52:45,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:45,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:52:45,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:45,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:45,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:52:45,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:45,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:52:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:45,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:45,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:45,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:52:45,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:45,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 04:52:45,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:45,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 04:52:45,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:45,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:52:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:45,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:45,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:45,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:45,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:52:47,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:52:47,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1686 [2020-10-15 04:52:47,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-15 04:52:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:52:47,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:47,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:52:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:47,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:47,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:52:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:47,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:47,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:47,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:47,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:47,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:47,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:52:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:47,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:52:47,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:47,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:52:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:47,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:47,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:47,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:47,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:47,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:47,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:52:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:47,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:52:47,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:47,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:47,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:47,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:47,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:52:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:47,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:47,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:47,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:47,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:52:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:47,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:52:47,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:47,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:47,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:52:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:47,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:47,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:47,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:47,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:52:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:52:47,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:47,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:52:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:52:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:52:47,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:52:47,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:52:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:52:47,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:52:47,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 04:52:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:47,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:47,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:52:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:47,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:47,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:52:47,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:52:47,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:52:47,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:52:47,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:52:47,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:52:47,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:52:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:52:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:52:47,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:52:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:52:47,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924685167] [2020-10-15 04:52:47,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:52:47,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:52:47,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903052605] [2020-10-15 04:52:47,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:52:47,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:52:47,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:52:47,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:52:47,383 INFO L87 Difference]: Start difference. First operand 1616 states and 2316 transitions. Second operand 9 states. [2020-10-15 04:52:47,565 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:52:50,271 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:52:56,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:52:56,221 INFO L93 Difference]: Finished difference Result 6306 states and 9645 transitions. [2020-10-15 04:52:56,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 04:52:56,223 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-15 04:52:56,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:52:56,266 INFO L225 Difference]: With dead ends: 6306 [2020-10-15 04:52:56,266 INFO L226 Difference]: Without dead ends: 4718 [2020-10-15 04:52:56,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-15 04:52:56,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4718 states. [2020-10-15 04:52:57,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4718 to 3276. [2020-10-15 04:52:57,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3276 states. [2020-10-15 04:52:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 4709 transitions. [2020-10-15 04:52:57,051 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 4709 transitions. Word has length 176 [2020-10-15 04:52:57,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:52:57,052 INFO L479 AbstractCegarLoop]: Abstraction has 3276 states and 4709 transitions. [2020-10-15 04:52:57,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:52:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 4709 transitions. [2020-10-15 04:52:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:52:57,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:52:57,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:52:57,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 04:52:57,059 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:52:57,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:52:57,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1844884429, now seen corresponding path program 1 times [2020-10-15 04:52:57,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:52:57,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715607457] [2020-10-15 04:52:57,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:52:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:52:57,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:57,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:57,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:57,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:52:57,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:00,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:02,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:02,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:53:02,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-15 04:53:02,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-15 04:53:02,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:02,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:53:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:53:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-15 04:53:02,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:02,251 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:53:02,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:53:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:02,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:02,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:02,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:53:02,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:53:02,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:02,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:53:02,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:02,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:53:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:02,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:02,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:02,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:53:02,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:53:02,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:02,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:53:02,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:02,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:53:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:02,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:02,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:02,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:53:02,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:02,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:02,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:02,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:53:02,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:53:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:02,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:02,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:02,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:53:02,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:02,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:53:02,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:02,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:53:02,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:02,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:53:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:02,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:02,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:02,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:53:02,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:02,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:53:02,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:02,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 04:53:02,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:02,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:53:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:02,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:02,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:02,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:02,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:03,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:53:06,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:53:06,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3716 [2020-10-15 04:53:06,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-15 04:53:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 04:53:06,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:06,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:53:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:06,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:06,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:06,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:06,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:53:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:06,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:06,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:06,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:06,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:06,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:53:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:06,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:06,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:06,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:06,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:06,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:06,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:53:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:06,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:06,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:06,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:06,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:06,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:06,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:53:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:06,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:06,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:06,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:06,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:06,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:53:06,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:53:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:06,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:06,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:06,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:06,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:06,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:06,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:53:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:06,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:06,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:06,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:06,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:06,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:06,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:53:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:06,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:53:06,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:53:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:06,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:53:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:06,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:53:06,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:53:06,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:53:06,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:53:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:53:06,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:53:06,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:06,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 04:53:06,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:06,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:06,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:53:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:06,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:06,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:06,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:53:06,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:06,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:06,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:06,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:06,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:53:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:06,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:53:06,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715607457] [2020-10-15 04:53:06,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:53:06,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 04:53:06,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469365562] [2020-10-15 04:53:06,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 04:53:06,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:53:06,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 04:53:06,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:53:06,237 INFO L87 Difference]: Start difference. First operand 3276 states and 4709 transitions. Second operand 8 states. [2020-10-15 04:53:06,385 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:53:08,953 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:53:14,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:53:14,951 INFO L93 Difference]: Finished difference Result 12528 states and 18920 transitions. [2020-10-15 04:53:14,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 04:53:14,952 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-10-15 04:53:14,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:53:15,001 INFO L225 Difference]: With dead ends: 12528 [2020-10-15 04:53:15,001 INFO L226 Difference]: Without dead ends: 9280 [2020-10-15 04:53:15,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-15 04:53:15,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9280 states. [2020-10-15 04:53:15,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9280 to 6570. [2020-10-15 04:53:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6570 states. [2020-10-15 04:53:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9463 transitions. [2020-10-15 04:53:15,947 INFO L78 Accepts]: Start accepts. Automaton has 6570 states and 9463 transitions. Word has length 176 [2020-10-15 04:53:15,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:53:15,948 INFO L479 AbstractCegarLoop]: Abstraction has 6570 states and 9463 transitions. [2020-10-15 04:53:15,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 04:53:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 6570 states and 9463 transitions. [2020-10-15 04:53:15,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:53:15,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:53:15,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:53:15,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 04:53:15,953 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:53:15,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:53:15,954 INFO L82 PathProgramCache]: Analyzing trace with hash -816352268, now seen corresponding path program 1 times [2020-10-15 04:53:15,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:53:15,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1045695992] [2020-10-15 04:53:15,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:53:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:15,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:16,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:16,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:16,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:16,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:16,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:20,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:20,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:53:20,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:53:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-15 04:53:20,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:20,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:53:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:53:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 04:53:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:21,136 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:53:21,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:53:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:21,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:21,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:21,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:53:21,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:21,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:53:21,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:21,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:53:21,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:21,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:53:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:21,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:21,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:21,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:53:21,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:21,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:53:21,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:21,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:21,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:21,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:21,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:53:21,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:21,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:53:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:21,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:21,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:21,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:53:21,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:21,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:21,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:21,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:21,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:21,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:21,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:53:21,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:21,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:53:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:21,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:21,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:21,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:53:21,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:21,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:53:21,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:21,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:21,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:21,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:21,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:53:21,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:21,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:53:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:21,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:21,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:21,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:53:21,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 04:53:21,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:21,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:53:21,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:53:21,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:53:21,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:21,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:53:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:21,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:21,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:21,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:21,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:21,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:22,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:53:26,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:53:26,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 04:53:26,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:53:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-15 04:53:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:53:26,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:53:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:26,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:26,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:26,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:26,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:26,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:53:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:26,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:26,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:26,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:26,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:26,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:53:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:26,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:26,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:26,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:53:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:26,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:53:26,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:53:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:53:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:53:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:26,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:26,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:53:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:53:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:26,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:26,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:53:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:53:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:26,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:26,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:53:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:26,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:53:26,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:53:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:26,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:26,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:26,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:53:26,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:26,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:53:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:26,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:26,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:53:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:26,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:53:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:53:26,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:53:26,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 04:53:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:53:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:26,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:26,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:26,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:53:26,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:26,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:26,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:26,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:53:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:53:26,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1045695992] [2020-10-15 04:53:26,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:53:26,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 04:53:26,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545982383] [2020-10-15 04:53:26,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:53:26,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:53:26,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:53:26,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:53:26,442 INFO L87 Difference]: Start difference. First operand 6570 states and 9463 transitions. Second operand 13 states. [2020-10-15 04:53:26,595 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:53:27,813 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 04:53:27,974 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-15 04:53:28,224 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 04:53:28,467 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 04:53:33,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:53:33,529 INFO L93 Difference]: Finished difference Result 16400 states and 24878 transitions. [2020-10-15 04:53:33,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:53:33,530 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-15 04:53:33,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:53:33,594 INFO L225 Difference]: With dead ends: 16400 [2020-10-15 04:53:33,594 INFO L226 Difference]: Without dead ends: 9856 [2020-10-15 04:53:33,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-15 04:53:33,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9856 states. [2020-10-15 04:53:34,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9856 to 6690. [2020-10-15 04:53:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6690 states. [2020-10-15 04:53:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6690 states to 6690 states and 9519 transitions. [2020-10-15 04:53:34,647 INFO L78 Accepts]: Start accepts. Automaton has 6690 states and 9519 transitions. Word has length 176 [2020-10-15 04:53:34,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:53:34,648 INFO L479 AbstractCegarLoop]: Abstraction has 6690 states and 9519 transitions. [2020-10-15 04:53:34,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 04:53:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 6690 states and 9519 transitions. [2020-10-15 04:53:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:53:34,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:53:34,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:53:34,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 04:53:34,652 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:53:34,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:53:34,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1156953230, now seen corresponding path program 1 times [2020-10-15 04:53:34,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:53:34,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128925140] [2020-10-15 04:53:34,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:53:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:34,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:34,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:34,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:34,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:34,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:35,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:35,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:35,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:36,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:38,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:39,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:39,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:53:39,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-15 04:53:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 04:53:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:39,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 04:53:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:53:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-15 04:53:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:39,834 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:53:39,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:53:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:39,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:39,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:39,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:53:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:53:39,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:39,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:53:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:39,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:53:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:39,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:39,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:39,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:53:39,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:39,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:53:39,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:39,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:39,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:39,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:39,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:53:39,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:39,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:53:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:39,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:39,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:39,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:53:39,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:39,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:39,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:39,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:53:39,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:39,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:53:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:39,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:39,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:39,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:53:39,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:39,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:53:39,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:39,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:39,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:39,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:39,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:53:39,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:39,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:53:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:39,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:39,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:39,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:53:39,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:39,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 04:53:39,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:39,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:53:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:53:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:53:39,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:39,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:53:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:40,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:40,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:40,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:40,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:41,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:53:44,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:53:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4592 [2020-10-15 04:53:44,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-15 04:53:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:44,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:53:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:44,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:44,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:44,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:44,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:53:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:44,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:44,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:44,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:44,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:44,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:44,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:53:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:44,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:44,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:44,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:44,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:53:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:44,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:44,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:44,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:44,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:44,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:44,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:53:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:44,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:44,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:44,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:44,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:44,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:53:44,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:53:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:44,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:44,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:44,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:44,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:44,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:53:44,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:53:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:44,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:44,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:53:44,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:53:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:44,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:44,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:44,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:53:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:44,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:44,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:44,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:44,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:53:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:53:44,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:53:44,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:53:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:53:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:53:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:44,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:53:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:44,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:44,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:44,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:53:44,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:44,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:44,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:53:44,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:44,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:44,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:53:44,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128925140] [2020-10-15 04:53:44,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:53:44,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 04:53:44,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570567356] [2020-10-15 04:53:44,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:53:44,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:53:44,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:53:44,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:53:44,698 INFO L87 Difference]: Start difference. First operand 6690 states and 9519 transitions. Second operand 10 states. [2020-10-15 04:53:44,845 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:53:49,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:53:49,595 INFO L93 Difference]: Finished difference Result 16036 states and 23519 transitions. [2020-10-15 04:53:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 04:53:49,595 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-15 04:53:49,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:53:49,635 INFO L225 Difference]: With dead ends: 16036 [2020-10-15 04:53:49,635 INFO L226 Difference]: Without dead ends: 9372 [2020-10-15 04:53:49,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-15 04:53:49,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9372 states. [2020-10-15 04:53:50,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9372 to 6690. [2020-10-15 04:53:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6690 states. [2020-10-15 04:53:50,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6690 states to 6690 states and 9455 transitions. [2020-10-15 04:53:50,269 INFO L78 Accepts]: Start accepts. Automaton has 6690 states and 9455 transitions. Word has length 176 [2020-10-15 04:53:50,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:53:50,270 INFO L479 AbstractCegarLoop]: Abstraction has 6690 states and 9455 transitions. [2020-10-15 04:53:50,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:53:50,270 INFO L276 IsEmpty]: Start isEmpty. Operand 6690 states and 9455 transitions. [2020-10-15 04:53:50,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:53:50,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:53:50,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:53:50,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 04:53:50,272 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:53:50,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:53:50,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1292646900, now seen corresponding path program 1 times [2020-10-15 04:53:50,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:53:50,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328729003] [2020-10-15 04:53:50,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:53:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:50,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:50,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:50,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:50,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:50,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:51,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:55,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:55,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:53:55,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-15 04:53:55,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 04:53:55,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:55,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:55,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:53:55,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:53:55,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-15 04:53:55,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:55,456 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:53:55,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:53:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:55,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:55,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:55,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:53:55,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:55,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:53:55,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:55,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:55,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:53:55,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:55,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:53:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:55,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:55,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:55,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:53:55,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:55,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:53:55,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:55,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:55,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:53:55,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:55,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:53:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:55,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:55,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:55,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:53:55,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:55,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:55,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:55,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:53:55,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:55,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:53:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:55,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:55,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:55,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:53:55,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:55,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:53:55,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:55,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:55,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:55,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:55,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:53:55,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:55,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:53:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:55,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:55,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:55,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:53:55,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:53:55,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:55,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:55,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 04:53:55,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:55,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:53:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:55,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:55,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:55,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:55,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:55,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:53:58,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:53:58,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2819 [2020-10-15 04:53:58,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:58,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-15 04:53:58,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 04:53:58,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:53:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:58,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:58,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:58,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:58,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:53:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:58,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:58,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:58,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:53:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:58,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:58,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:58,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:53:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:58,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:58,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:58,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:58,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:58,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:53:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:58,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:58,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:58,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:58,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:53:58,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:53:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:58,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:58,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:58,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:58,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:53:58,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:53:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:58,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:58,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:53:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:53:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:58,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:58,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:58,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:58,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:53:58,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:53:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:53:58,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:53:58,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:53:58,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:53:58,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:53:58,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:53:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:53:58,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:53:58,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:58,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 04:53:58,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:58,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:53:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:53:58,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:53:58,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:53:58,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:53:58,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:53:58,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:53:58,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:53:58,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:53:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:53:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:53:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:53:58,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:53:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:53:58,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328729003] [2020-10-15 04:53:58,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:53:58,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:53:58,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7506411] [2020-10-15 04:53:58,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:53:58,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:53:58,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:53:58,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:53:58,513 INFO L87 Difference]: Start difference. First operand 6690 states and 9455 transitions. Second operand 9 states. [2020-10-15 04:53:58,662 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:54:01,095 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:54:07,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:54:07,088 INFO L93 Difference]: Finished difference Result 25126 states and 37832 transitions. [2020-10-15 04:54:07,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 04:54:07,088 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-15 04:54:07,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:54:07,160 INFO L225 Difference]: With dead ends: 25126 [2020-10-15 04:54:07,160 INFO L226 Difference]: Without dead ends: 18464 [2020-10-15 04:54:07,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-15 04:54:07,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18464 states. [2020-10-15 04:54:08,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18464 to 13370. [2020-10-15 04:54:08,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13370 states. [2020-10-15 04:54:08,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13370 states to 13370 states and 18863 transitions. [2020-10-15 04:54:08,610 INFO L78 Accepts]: Start accepts. Automaton has 13370 states and 18863 transitions. Word has length 176 [2020-10-15 04:54:08,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:54:08,611 INFO L479 AbstractCegarLoop]: Abstraction has 13370 states and 18863 transitions. [2020-10-15 04:54:08,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:54:08,611 INFO L276 IsEmpty]: Start isEmpty. Operand 13370 states and 18863 transitions. [2020-10-15 04:54:08,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:54:08,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:54:08,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:54:08,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 04:54:08,613 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:54:08,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:54:08,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1800126061, now seen corresponding path program 1 times [2020-10-15 04:54:08,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:54:08,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782638427] [2020-10-15 04:54:08,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:54:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:08,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:08,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:08,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:08,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:08,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:08,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:13,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:13,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:54:13,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:54:13,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-15 04:54:13,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:13,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:54:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:54:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 04:54:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:13,844 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:54:13,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:54:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:13,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:13,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:13,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:54:13,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:13,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:54:13,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:13,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:13,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:13,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:13,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:54:13,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:13,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:54:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:13,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:13,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:13,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:54:13,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:13,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:13,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:13,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:54:13,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:13,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:54:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:13,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:13,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:13,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:54:13,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:13,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:54:13,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:13,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:13,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:13,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:13,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:54:13,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:13,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:54:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:13,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:13,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:13,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:54:13,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:13,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:54:13,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:13,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:54:13,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:13,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:54:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:13,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:13,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:54:13,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:13,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 04:54:13,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:13,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:54:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:54:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:54:13,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:13,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:54:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:13,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:14,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:14,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:14,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:14,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:15,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:18,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:18,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:54:18,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:54:18,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 04:54:18,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:18,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:18,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:54:18,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:18,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:54:18,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:54:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:19,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:19,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:54:19,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:19,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:54:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:54:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:19,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:19,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:19,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:54:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:19,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:54:19,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:19,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:19,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:19,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:54:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:19,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:19,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:19,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:54:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:19,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:19,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:54:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:19,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:54:19,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:19,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:54:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:19,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:54:19,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:19,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:54:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:19,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:19,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:54:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:19,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:19,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:19,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:54:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:54:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:54:19,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:54:19,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 04:54:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:19,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:54:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:19,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:19,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:19,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:54:19,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:19,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:19,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:19,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:54:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:19,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:54:19,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782638427] [2020-10-15 04:54:19,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:54:19,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 04:54:19,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138057561] [2020-10-15 04:54:19,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:54:19,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:54:19,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:54:19,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:54:19,147 INFO L87 Difference]: Start difference. First operand 13370 states and 18863 transitions. Second operand 13 states. [2020-10-15 04:54:19,301 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:54:20,174 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 04:54:20,341 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-15 04:54:20,505 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 04:54:20,671 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-15 04:54:26,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:54:26,485 INFO L93 Difference]: Finished difference Result 33380 states and 49744 transitions. [2020-10-15 04:54:26,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 04:54:26,485 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-15 04:54:26,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:54:26,549 INFO L225 Difference]: With dead ends: 33380 [2020-10-15 04:54:26,550 INFO L226 Difference]: Without dead ends: 20036 [2020-10-15 04:54:26,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-10-15 04:54:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20036 states. [2020-10-15 04:54:28,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20036 to 13610. [2020-10-15 04:54:28,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13610 states. [2020-10-15 04:54:28,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13610 states to 13610 states and 18975 transitions. [2020-10-15 04:54:28,098 INFO L78 Accepts]: Start accepts. Automaton has 13610 states and 18975 transitions. Word has length 176 [2020-10-15 04:54:28,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:54:28,099 INFO L479 AbstractCegarLoop]: Abstraction has 13610 states and 18975 transitions. [2020-10-15 04:54:28,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 04:54:28,099 INFO L276 IsEmpty]: Start isEmpty. Operand 13610 states and 18975 transitions. [2020-10-15 04:54:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:54:28,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:54:28,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:54:28,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 04:54:28,102 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:54:28,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:54:28,102 INFO L82 PathProgramCache]: Analyzing trace with hash -38706227, now seen corresponding path program 1 times [2020-10-15 04:54:28,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:54:28,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879428330] [2020-10-15 04:54:28,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:54:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:28,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:28,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:28,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:28,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:33,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:33,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:54:33,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-15 04:54:33,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 04:54:33,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:33,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:33,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:54:33,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:54:33,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 04:54:33,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:33,274 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:54:33,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:54:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:33,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:33,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:33,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:54:33,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:33,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:54:33,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:33,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:54:33,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:33,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:54:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:33,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:33,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:33,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:54:33,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:33,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:33,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:33,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:33,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:33,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:33,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:54:33,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:33,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:54:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:33,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:33,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:33,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:54:33,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:33,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:54:33,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:33,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:54:33,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:33,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:54:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:33,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:33,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:33,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:54:33,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:54:33,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:33,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:54:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:33,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:54:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:33,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:33,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:33,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:54:33,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:54:33,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:33,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 04:54:33,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:33,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:54:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:33,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:33,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:33,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:33,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:33,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:54:36,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:54:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3086 [2020-10-15 04:54:36,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 04:54:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 04:54:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:54:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:36,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:36,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:36,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:54:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:36,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:36,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:36,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:36,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:54:36,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:54:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:36,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:36,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:54:36,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:54:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:36,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:36,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:54:36,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:54:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:36,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:36,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:54:36,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:54:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:36,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:36,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:54:36,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:54:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:36,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:36,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:36,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:36,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:54:36,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:54:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:36,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:36,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:54:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:54:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:54:36,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:54:36,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:36,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:36,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:54:36,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:54:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:54:36,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:54:36,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:36,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 04:54:36,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:36,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:54:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:36,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:36,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:36,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:54:36,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:36,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:54:36,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:36,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:54:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:54:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:54:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:54:36,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1879428330] [2020-10-15 04:54:36,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:54:36,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:54:36,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670595381] [2020-10-15 04:54:36,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:54:36,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:54:36,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:54:36,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:54:36,588 INFO L87 Difference]: Start difference. First operand 13610 states and 18975 transitions. Second operand 9 states. [2020-10-15 04:54:36,732 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:54:38,935 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:54:46,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:54:46,572 INFO L93 Difference]: Finished difference Result 50342 states and 75056 transitions. [2020-10-15 04:54:46,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 04:54:46,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-15 04:54:46,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:54:46,682 INFO L225 Difference]: With dead ends: 50342 [2020-10-15 04:54:46,682 INFO L226 Difference]: Without dead ends: 36760 [2020-10-15 04:54:46,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-15 04:54:46,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36760 states. [2020-10-15 04:54:49,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36760 to 27138. [2020-10-15 04:54:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27138 states. [2020-10-15 04:54:50,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27138 states to 27138 states and 37767 transitions. [2020-10-15 04:54:50,011 INFO L78 Accepts]: Start accepts. Automaton has 27138 states and 37767 transitions. Word has length 176 [2020-10-15 04:54:50,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:54:50,012 INFO L479 AbstractCegarLoop]: Abstraction has 27138 states and 37767 transitions. [2020-10-15 04:54:50,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:54:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 27138 states and 37767 transitions. [2020-10-15 04:54:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:54:50,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:54:50,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:54:50,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 04:54:50,014 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:54:50,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:54:50,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1980797134, now seen corresponding path program 1 times [2020-10-15 04:54:50,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:54:50,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617201659] [2020-10-15 04:54:50,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:54:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:50,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:50,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:55,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:55,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:54:55,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:54:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 04:54:55,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:55,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:55,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:54:55,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:54:55,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-15 04:54:55,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:55,173 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:54:55,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:54:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:55,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:55,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:55,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:54:55,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:55,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:54:55,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:55,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:54:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:55,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:54:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:55,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:55,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:55,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:54:55,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:55,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:54:55,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:55,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:54:55,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:55,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:54:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:55,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:55,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:55,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:54:55,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:55,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:54:55,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:55,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:55,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:55,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:55,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:54:55,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:55,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:54:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:55,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:55,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:55,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:54:55,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:54:55,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:55,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:54:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:54:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:54:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:55,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:54:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:55,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:55,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:54:55,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:54:55,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:54:55,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 04:54:55,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:54:55,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:54:55,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:54:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:54:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:54:55,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:54:55,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:54:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:54:55,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:55,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:55,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:55,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:55,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:54:56,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:55:00,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:55:00,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 04:55:00,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:55:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 04:55:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:55:00,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:55:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:00,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:00,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:00,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:00,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:00,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:55:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:00,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:55:00,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:55:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:55:00,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:55:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:00,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:00,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:00,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:55:00,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:00,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:55:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:00,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:00,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:55:00,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:55:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:00,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:55:00,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:55:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:00,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:55:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:00,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:55:00,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:00,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:55:00,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:00,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:55:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:00,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:55:00,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:55:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:00,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:55:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:00,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:00,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:55:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:00,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:55:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:00,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:55:00,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:55:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:00,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:55:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:55:00,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:55:00,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 04:55:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:00,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:55:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:00,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:00,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:00,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:55:00,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:55:00,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:00,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:55:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:00,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:55:00,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617201659] [2020-10-15 04:55:00,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:55:00,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 04:55:00,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390805110] [2020-10-15 04:55:00,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:55:00,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:55:00,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:55:00,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:55:00,462 INFO L87 Difference]: Start difference. First operand 27138 states and 37767 transitions. Second operand 13 states. [2020-10-15 04:55:00,619 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-15 04:55:01,622 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 04:55:01,777 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-15 04:55:01,941 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 04:55:02,185 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 04:55:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:55:10,772 INFO L93 Difference]: Finished difference Result 65484 states and 96527 transitions. [2020-10-15 04:55:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:55:10,772 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-15 04:55:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:55:10,897 INFO L225 Difference]: With dead ends: 65484 [2020-10-15 04:55:10,897 INFO L226 Difference]: Without dead ends: 38372 [2020-10-15 04:55:10,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-15 04:55:11,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38372 states. [2020-10-15 04:55:13,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38372 to 27378. [2020-10-15 04:55:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27378 states. [2020-10-15 04:55:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27378 states to 27378 states and 37703 transitions. [2020-10-15 04:55:13,900 INFO L78 Accepts]: Start accepts. Automaton has 27378 states and 37703 transitions. Word has length 176 [2020-10-15 04:55:13,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:55:13,900 INFO L479 AbstractCegarLoop]: Abstraction has 27378 states and 37703 transitions. [2020-10-15 04:55:13,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 04:55:13,900 INFO L276 IsEmpty]: Start isEmpty. Operand 27378 states and 37703 transitions. [2020-10-15 04:55:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 04:55:13,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:55:13,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:55:13,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 04:55:13,903 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:55:13,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:55:13,903 INFO L82 PathProgramCache]: Analyzing trace with hash 2028298580, now seen corresponding path program 1 times [2020-10-15 04:55:13,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:55:13,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215983385] [2020-10-15 04:55:13,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:55:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:13,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:13,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:13,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:13,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:14,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:15,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:18,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:18,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-15 04:55:18,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-15 04:55:18,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-15 04:55:18,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:18,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:55:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:55:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 04:55:18,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:19,113 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-15 04:55:19,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:55:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:19,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:19,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:55:19,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:19,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:55:19,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:19,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:19,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:19,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:19,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:55:19,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:19,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:55:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:19,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:19,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:55:19,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:19,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:55:19,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:19,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:55:19,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:19,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:55:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:19,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:19,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:55:19,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:19,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:55:19,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:19,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:19,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:19,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:19,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:55:19,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:19,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:55:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:19,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:19,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:55:19,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:19,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:55:19,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:19,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:55:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:55:19,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:55:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:19,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:19,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:55:19,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:19,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:55:19,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:19,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:55:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:55:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:55:19,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:19,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 04:55:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:19,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:19,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:55:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:55:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2985 [2020-10-15 04:55:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:55:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-15 04:55:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:55:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:22,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:55:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:22,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:22,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:22,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:22,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:22,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:22,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:55:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:22,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:22,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:22,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:55:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:22,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:22,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:22,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:22,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:55:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:22,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:22,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:22,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:22,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:22,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:22,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:55:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:22,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:22,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:22,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:22,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:22,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:22,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:55:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:22,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:22,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:22,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:22,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:55:22,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:55:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:22,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:22,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:22,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:22,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:22,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:22,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:55:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:22,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:22,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:22,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:22,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:22,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:22,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:55:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:55:22,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:55:22,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:55:22,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:55:22,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:55:22,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:22,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 04:55:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 04:55:22,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:55:22,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 04:55:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:22,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:55:22,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 04:55:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:55:22,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:55:22,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:55:22,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:55:22,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:55:22,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:55:22,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:55:22,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:55:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:55:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:55:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:55:22,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:55:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:55:22,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215983385] [2020-10-15 04:55:22,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:55:22,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 04:55:22,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241517696] [2020-10-15 04:55:22,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 04:55:22,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:55:22,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 04:55:22,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:55:22,541 INFO L87 Difference]: Start difference. First operand 27378 states and 37703 transitions. Second operand 14 states. [2020-10-15 04:55:22,723 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 146