/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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 23:15:40,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 23:15:40,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 23:15:40,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 23:15:40,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 23:15:40,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 23:15:40,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 23:15:40,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 23:15:40,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 23:15:40,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 23:15:40,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 23:15:40,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 23:15:40,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 23:15:40,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 23:15:40,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 23:15:40,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 23:15:40,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 23:15:40,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 23:15:40,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 23:15:40,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 23:15:40,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 23:15:40,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 23:15:40,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 23:15:40,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 23:15:40,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 23:15:40,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 23:15:40,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 23:15:40,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 23:15:40,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 23:15:40,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 23:15:40,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 23:15:40,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 23:15:40,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 23:15:40,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 23:15:40,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 23:15:40,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 23:15:40,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 23:15:40,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 23:15:40,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 23:15:40,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 23:15:40,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 23:15:40,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-12 23:15:40,336 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 23:15:40,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 23:15:40,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 23:15:40,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 23:15:40,338 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 23:15:40,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 23:15:40,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 23:15:40,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 23:15:40,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 23:15:40,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 23:15:40,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 23:15:40,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 23:15:40,342 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 23:15:40,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 23:15:40,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 23:15:40,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 23:15:40,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 23:15:40,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 23:15:40,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 23:15:40,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 23:15:40,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 23:15:40,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 23:15:40,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 23:15:40,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 23:15:40,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 23:15:40,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 23:15:40,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 23:15:40,345 INFO L138 SettingsManager]: * To the following directory=dump/ 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 23:15:40,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 23:15:40,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 23:15:40,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 23:15:40,673 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 23:15:40,674 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 23:15:40,674 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-12 23:15:40,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99e4932b3/9417aaee0968403f9abf4d2bc9427a6a/FLAG227ab4bc7 [2020-10-12 23:15:41,469 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 23:15:41,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-12 23:15:41,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99e4932b3/9417aaee0968403f9abf4d2bc9427a6a/FLAG227ab4bc7 [2020-10-12 23:15:41,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99e4932b3/9417aaee0968403f9abf4d2bc9427a6a [2020-10-12 23:15:41,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 23:15:41,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 23:15:41,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 23:15:41,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 23:15:41,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 23:15:41,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:15:41" (1/1) ... [2020-10-12 23:15:41,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31607c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:41, skipping insertion in model container [2020-10-12 23:15:41,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:15:41" (1/1) ... [2020-10-12 23:15:41,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 23:15:41,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 23:15:42,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:15:42,878 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 23:15:43,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:15:43,183 INFO L208 MainTranslator]: Completed translation [2020-10-12 23:15:43,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:43 WrapperNode [2020-10-12 23:15:43,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 23:15:43,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 23:15:43,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 23:15:43,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 23:15:43,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:43" (1/1) ... [2020-10-12 23:15:43,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:43" (1/1) ... [2020-10-12 23:15:43,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:43" (1/1) ... [2020-10-12 23:15:43,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:43" (1/1) ... [2020-10-12 23:15:43,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:43" (1/1) ... [2020-10-12 23:15:43,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:43" (1/1) ... [2020-10-12 23:15:43,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:43" (1/1) ... [2020-10-12 23:15:43,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 23:15:43,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 23:15:43,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 23:15:43,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 23:15:43,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:43" (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 [2020-10-12 23:15:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 23:15:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 23:15:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-12 23:15:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-12 23:15:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-12 23:15:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-12 23:15:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-12 23:15:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-12 23:15:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-12 23:15:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-12 23:15:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-12 23:15:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-12 23:15:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-12 23:15:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-12 23:15:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 23:15:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 23:15:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 23:15:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 23:15:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 23:15:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-12 23:15:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-12 23:15:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-12 23:15:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-12 23:15:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-12 23:15:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-12 23:15:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-12 23:15:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2020-10-12 23:15:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2020-10-12 23:15:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2020-10-12 23:15:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2020-10-12 23:15:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2020-10-12 23:15:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2020-10-12 23:15:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2020-10-12 23:15:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2020-10-12 23:15:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2020-10-12 23:15:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2020-10-12 23:15:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2020-10-12 23:15:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-12 23:15:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2020-10-12 23:15:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 23:15:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-12 23:15:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2020-10-12 23:15:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2020-10-12 23:15:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2020-10-12 23:15:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2020-10-12 23:15:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2020-10-12 23:15:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2020-10-12 23:15:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-12 23:15:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-12 23:15:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-12 23:15:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-12 23:15:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-12 23:15:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-12 23:15:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-12 23:15:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-12 23:15:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-12 23:15:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-12 23:15:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-12 23:15:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-12 23:15:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-12 23:15:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-12 23:15:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-12 23:15:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 23:15:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-12 23:15:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-12 23:15:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-12 23:15:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2020-10-12 23:15:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-12 23:15:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 23:15:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-12 23:15:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 23:15:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2020-10-12 23:15:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-12 23:15:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-12 23:15:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-12 23:15:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2020-10-12 23:15:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2020-10-12 23:15:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2020-10-12 23:15:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-12 23:15:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 23:15:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 23:15:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-12 23:15:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 23:15:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 23:15:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-12 23:15:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 23:15:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 23:15:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-12 23:15:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 23:15:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-12 23:15:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-12 23:15:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-12 23:15:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-12 23:15:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-12 23:15:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-12 23:15:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-12 23:15:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-12 23:15:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-12 23:15:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-12 23:15:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 23:15:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-12 23:15:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-12 23:15:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-12 23:15:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2020-10-12 23:15:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2020-10-12 23:15:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-12 23:15:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 23:15:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-12 23:15:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2020-10-12 23:15:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2020-10-12 23:15:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-12 23:15:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2020-10-12 23:15:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2020-10-12 23:15:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2020-10-12 23:15:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-12 23:15:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2020-10-12 23:15:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-12 23:15:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2020-10-12 23:15:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2020-10-12 23:15:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2020-10-12 23:15:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-12 23:15:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-12 23:15:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-12 23:15:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-12 23:15:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-12 23:15:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-12 23:15:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-12 23:15:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-12 23:15:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 23:15:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 23:15:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 23:15:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 23:15:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 23:15:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 23:15:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 23:15:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-12 23:15:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 23:15:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-12 23:15:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-12 23:15:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 23:15:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 23:15:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 23:15:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 23:15:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-12 23:15:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-12 23:15:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-12 23:15:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-12 23:15:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-12 23:15:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-12 23:15:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-12 23:15:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2020-10-12 23:15:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 23:15:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2020-10-12 23:15:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2020-10-12 23:15:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2020-10-12 23:15:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2020-10-12 23:15:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2020-10-12 23:15:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2020-10-12 23:15:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2020-10-12 23:15:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2020-10-12 23:15:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 23:15:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 23:15:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 23:15:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 23:15:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2020-10-12 23:15:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2020-10-12 23:15:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2020-10-12 23:15:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 23:15:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 23:15:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 23:15:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 23:15:43,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-12 23:15:43,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-12 23:15:43,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-12 23:15:43,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-12 23:15:43,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-12 23:15:43,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-12 23:15:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-12 23:15:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-12 23:15:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-12 23:15:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-12 23:15:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-12 23:15:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 23:15:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 23:15:43,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 23:15:43,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 23:15:43,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 23:15:43,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 23:15:43,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 23:15:43,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 23:15:43,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 23:15:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 23:15:44,348 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-12 23:15:44,880 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-12 23:15:45,439 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 23:15:45,439 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 23:15:45,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:15:45 BoogieIcfgContainer [2020-10-12 23:15:45,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 23:15:45,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 23:15:45,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 23:15:45,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 23:15:45,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:15:41" (1/3) ... [2020-10-12 23:15:45,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3324e7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:15:45, skipping insertion in model container [2020-10-12 23:15:45,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:43" (2/3) ... [2020-10-12 23:15:45,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3324e7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:15:45, skipping insertion in model container [2020-10-12 23:15:45,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:15:45" (3/3) ... [2020-10-12 23:15:45,455 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-12 23:15:45,465 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 23:15:45,473 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 23:15:45,487 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 23:15:45,513 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 23:15:45,513 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 23:15:45,514 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 23:15:45,514 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 23:15:45,514 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 23:15:45,514 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 23:15:45,514 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 23:15:45,514 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 23:15:45,546 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states. [2020-10-12 23:15:45,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-12 23:15:45,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:15:45,558 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:15:45,559 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:15:45,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:15:45,565 INFO L82 PathProgramCache]: Analyzing trace with hash 703829690, now seen corresponding path program 1 times [2020-10-12 23:15:45,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:15:45,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330267666] [2020-10-12 23:15:45,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:15:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:46,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:46,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:47,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:48,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:48,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 23:15:48,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:15:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2289 [2020-10-12 23:15:48,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:48,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:15:48,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 23:15:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:15:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 23:15:49,039 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:15:49,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:15:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:49,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:49,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:49,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:15:49,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:49,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 23:15:49,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:49,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:49,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:15:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:49,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:49,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:49,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:49,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:49,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:15:49,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:49,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:49,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:49,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:15:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:49,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:49,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:49,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:49,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:49,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:15:49,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:49,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:49,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:15:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:49,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:49,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:49,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:49,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:49,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 23:15:49,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:49,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:49,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:49,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:15:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:49,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:49,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:49,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:15:49,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:49,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:15:49,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:49,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:49,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:49,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:49,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:49,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:15:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:49,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:49,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:49,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:49,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:49,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 23:15:49,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:49,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:15:49,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:15:49,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:15:49,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:49,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 23:15:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:49,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:49,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:49,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 23:15:49,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 23:15:49,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:49,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 23:15:49,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:49,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:15:49,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:15:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:49,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:49,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:49,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:15:49,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 23:15:49,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:15:49,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:15:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:49,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:49,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:49,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:15:49,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:49,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:15:49,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:49,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:49,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:49,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:15:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 23:15:49,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330267666] [2020-10-12 23:15:49,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:15:49,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 23:15:49,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102111328] [2020-10-12 23:15:49,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 23:15:49,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:15:49,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 23:15:49,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 23:15:49,559 INFO L87 Difference]: Start difference. First operand 566 states. Second operand 8 states. [2020-10-12 23:15:50,155 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:15:51,441 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-12 23:15:52,007 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-12 23:15:58,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:15:58,993 INFO L93 Difference]: Finished difference Result 1213 states and 1623 transitions. [2020-10-12 23:15:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 23:15:58,995 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-12 23:15:58,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:15:59,019 INFO L225 Difference]: With dead ends: 1213 [2020-10-12 23:15:59,020 INFO L226 Difference]: Without dead ends: 671 [2020-10-12 23:15:59,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-10-12 23:15:59,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2020-10-12 23:15:59,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 515. [2020-10-12 23:15:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2020-10-12 23:15:59,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 654 transitions. [2020-10-12 23:15:59,238 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 654 transitions. Word has length 56 [2020-10-12 23:15:59,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:15:59,239 INFO L479 AbstractCegarLoop]: Abstraction has 515 states and 654 transitions. [2020-10-12 23:15:59,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 23:15:59,239 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 654 transitions. [2020-10-12 23:15:59,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-12 23:15:59,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:15:59,244 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:15:59,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 23:15:59,245 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:15:59,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:15:59,245 INFO L82 PathProgramCache]: Analyzing trace with hash 2086959176, now seen corresponding path program 1 times [2020-10-12 23:15:59,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:15:59,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347483440] [2020-10-12 23:15:59,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:15:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:59,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:59,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:00,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:01,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:01,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 23:16:01,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:16:01,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1927 [2020-10-12 23:16:01,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:01,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:16:01,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 23:16:01,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:16:01,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:01,838 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:16:01,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:16:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:01,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:01,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:01,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:16:01,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:01,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 23:16:01,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:01,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:01,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:01,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:16:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:01,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:01,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:01,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:01,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:01,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:16:01,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:01,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:16:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:01,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:01,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:01,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:01,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:01,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:16:01,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:01,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:01,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:01,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:01,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:16:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:02,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:02,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:02,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:02,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:02,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:16:02,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:02,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:02,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:16:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:02,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:02,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:16:02,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:16:02,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:02,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:16:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:02,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:02,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:02,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 23:16:02,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:02,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 23:16:02,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:02,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:16:02,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:16:02,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:16:02,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:02,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 23:16:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:02,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:02,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:02,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 23:16:02,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:02,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:16:02,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:02,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 23:16:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:02,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:02,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:16:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:02,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:02,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:02,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:16:02,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:02,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:16:02,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:02,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:02,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:16:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:02,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:02,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:02,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:16:02,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:02,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:16:02,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:02,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:02,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:02,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:16:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 23:16:02,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347483440] [2020-10-12 23:16:02,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 23:16:02,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 23:16:02,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897437566] [2020-10-12 23:16:02,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 23:16:02,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:16:02,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 23:16:02,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:16:02,246 INFO L87 Difference]: Start difference. First operand 515 states and 654 transitions. Second operand 9 states. [2020-10-12 23:16:02,783 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:16:04,135 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-12 23:16:04,671 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-12 23:16:05,179 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2020-10-12 23:16:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:16:12,234 INFO L93 Difference]: Finished difference Result 1168 states and 1516 transitions. [2020-10-12 23:16:12,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 23:16:12,234 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-10-12 23:16:12,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:16:12,242 INFO L225 Difference]: With dead ends: 1168 [2020-10-12 23:16:12,242 INFO L226 Difference]: Without dead ends: 672 [2020-10-12 23:16:12,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-10-12 23:16:12,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2020-10-12 23:16:12,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 516. [2020-10-12 23:16:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-12 23:16:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 655 transitions. [2020-10-12 23:16:12,392 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 655 transitions. Word has length 57 [2020-10-12 23:16:12,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:16:12,393 INFO L479 AbstractCegarLoop]: Abstraction has 516 states and 655 transitions. [2020-10-12 23:16:12,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 23:16:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 655 transitions. [2020-10-12 23:16:12,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-12 23:16:12,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:16:12,403 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:16:12,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 23:16:12,404 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:16:12,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:16:12,404 INFO L82 PathProgramCache]: Analyzing trace with hash 2014300282, now seen corresponding path program 2 times [2020-10-12 23:16:12,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:16:12,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633110061] [2020-10-12 23:16:12,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:16:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:12,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:12,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:13,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:14,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:14,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 23:16:14,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:16:14,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1960 [2020-10-12 23:16:14,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:14,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:16:14,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 23:16:14,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:16:14,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:15,108 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:16:15,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:16:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:15,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:15,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:15,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:16:15,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-12 23:16:15,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:15,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:16:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:15,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:15,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:15,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:15,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:15,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:16:15,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:15,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:15,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:15,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:15,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:16:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:15,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:15,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:15,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:15,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:15,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:16:15,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:15,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:15,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:16:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:15,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:15,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:15,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:15,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:15,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:16:15,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:15,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:15,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:16:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:15,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:15,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:15,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:16:15,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:16:15,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:15,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:15,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:16:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:15,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:15,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:15,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 23:16:15,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:15,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 23:16:15,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:16:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:16:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 23:16:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:16:15,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 23:16:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:15,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:15,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:15,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 23:16:15,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:16:15,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 23:16:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:15,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:15,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:16:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:15,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:15,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:15,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:16:15,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:15,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:16:15,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:16:15,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:16:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:15,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:15,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:15,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:16:15,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:15,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:16:15,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:15,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 23:16:15,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633110061] [2020-10-12 23:16:15,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 23:16:15,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 23:16:15,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855891521] [2020-10-12 23:16:15,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 23:16:15,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:16:15,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 23:16:15,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-12 23:16:15,548 INFO L87 Difference]: Start difference. First operand 516 states and 655 transitions. Second operand 10 states. [2020-10-12 23:16:16,068 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:16:17,205 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-12 23:16:17,698 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-12 23:16:18,231 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-12 23:16:18,748 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2020-10-12 23:16:26,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:16:26,448 INFO L93 Difference]: Finished difference Result 1169 states and 1517 transitions. [2020-10-12 23:16:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 23:16:26,449 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-12 23:16:26,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:16:26,456 INFO L225 Difference]: With dead ends: 1169 [2020-10-12 23:16:26,456 INFO L226 Difference]: Without dead ends: 673 [2020-10-12 23:16:26,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-12 23:16:26,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2020-10-12 23:16:26,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 517. [2020-10-12 23:16:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-10-12 23:16:26,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 656 transitions. [2020-10-12 23:16:26,565 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 656 transitions. Word has length 58 [2020-10-12 23:16:26,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:16:26,566 INFO L479 AbstractCegarLoop]: Abstraction has 517 states and 656 transitions. [2020-10-12 23:16:26,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 23:16:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 656 transitions. [2020-10-12 23:16:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-12 23:16:26,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:16:26,568 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:16:26,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 23:16:26,568 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:16:26,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:16:26,569 INFO L82 PathProgramCache]: Analyzing trace with hash -238125432, now seen corresponding path program 3 times [2020-10-12 23:16:26,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:16:26,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [84451882] [2020-10-12 23:16:26,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:16:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:26,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:27,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:28,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:28,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 23:16:28,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:16:28,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2044 [2020-10-12 23:16:28,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:28,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:16:28,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 23:16:28,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:16:28,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:29,121 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:16:29,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:16:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:29,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:29,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:29,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:16:29,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-12 23:16:29,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:29,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:16:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:29,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:29,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:29,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:29,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:29,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:16:29,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:29,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:29,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:16:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:29,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:29,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:29,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:29,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:16:29,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:29,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:29,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:16:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:29,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:29,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:29,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:29,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:16:29,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:29,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:29,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:16:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:29,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:29,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:29,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:16:29,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:29,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:16:29,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:29,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:29,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:29,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:29,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:16:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:29,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:29,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:29,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 23:16:29,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:29,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 23:16:29,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:16:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:16:29,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 23:16:29,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:29,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 23:16:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:29,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:29,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:29,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 23:16:29,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:29,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:16:29,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 23:16:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:29,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:29,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:16:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:29,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:29,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:29,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:16:29,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:29,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:16:29,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:29,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:29,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:29,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:29,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:29,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:16:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:29,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:29,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:29,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:16:29,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:29,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:16:29,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:29,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 23:16:29,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [84451882] [2020-10-12 23:16:29,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 23:16:29,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 23:16:29,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183718867] [2020-10-12 23:16:29,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 23:16:29,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:16:29,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 23:16:29,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-12 23:16:29,490 INFO L87 Difference]: Start difference. First operand 517 states and 656 transitions. Second operand 11 states. [2020-10-12 23:16:29,953 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:16:31,044 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-12 23:16:31,521 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-12 23:16:32,008 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-12 23:16:32,502 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-12 23:16:32,998 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2020-10-12 23:16:40,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:16:40,324 INFO L93 Difference]: Finished difference Result 1170 states and 1518 transitions. [2020-10-12 23:16:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 23:16:40,325 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2020-10-12 23:16:40,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:16:40,330 INFO L225 Difference]: With dead ends: 1170 [2020-10-12 23:16:40,330 INFO L226 Difference]: Without dead ends: 674 [2020-10-12 23:16:40,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2020-10-12 23:16:40,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2020-10-12 23:16:40,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 518. [2020-10-12 23:16:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-12 23:16:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 657 transitions. [2020-10-12 23:16:40,433 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 657 transitions. Word has length 59 [2020-10-12 23:16:40,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:16:40,433 INFO L479 AbstractCegarLoop]: Abstraction has 518 states and 657 transitions. [2020-10-12 23:16:40,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 23:16:40,434 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 657 transitions. [2020-10-12 23:16:40,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-12 23:16:40,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:16:40,435 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:16:40,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 23:16:40,436 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:16:40,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:16:40,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1343845830, now seen corresponding path program 4 times [2020-10-12 23:16:40,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:16:40,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519314488] [2020-10-12 23:16:40,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:16:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:40,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:40,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:40,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:40,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-12 23:16:40,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:16:40,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-10-12 23:16:40,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:16:40,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 23:16:40,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:16:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:16:41,402 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:16:41,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:16:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:41,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:41,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:41,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:16:41,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 23:16:41,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:41,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:41,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:16:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:41,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:41,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:41,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:41,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:16:41,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:41,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:41,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:16:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:41,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:41,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:41,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:41,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:41,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:16:41,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:41,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:41,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:41,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:41,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:41,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:16:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:41,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:41,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:41,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:41,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:41,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:16:41,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:41,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:16:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:41,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:41,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:41,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:16:41,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:41,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:16:41,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:41,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:16:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:41,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:41,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:41,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:16:41,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:41,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:16:41,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:41,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 23:16:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:41,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:41,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:41,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 23:16:41,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:16:41,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 23:16:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:41,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:41,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:16:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:41,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:41,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:41,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:16:41,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:16:41,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:16:41,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:16:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:41,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:41,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:41,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:16:41,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:41,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:16:41,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:41,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:41,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:16:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 23:16:41,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519314488] [2020-10-12 23:16:41,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:16:41,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 23:16:41,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103365527] [2020-10-12 23:16:41,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 23:16:41,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:16:41,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 23:16:41,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-12 23:16:41,646 INFO L87 Difference]: Start difference. First operand 518 states and 657 transitions. Second operand 7 states. [2020-10-12 23:16:42,150 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:16:42,830 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-12 23:16:43,371 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-12 23:16:54,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:16:54,122 INFO L93 Difference]: Finished difference Result 1273 states and 1672 transitions. [2020-10-12 23:16:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 23:16:54,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-10-12 23:16:54,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:16:54,130 INFO L225 Difference]: With dead ends: 1273 [2020-10-12 23:16:54,131 INFO L226 Difference]: Without dead ends: 1247 [2020-10-12 23:16:54,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2020-10-12 23:16:54,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2020-10-12 23:16:54,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 953. [2020-10-12 23:16:54,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2020-10-12 23:16:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1219 transitions. [2020-10-12 23:16:54,318 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1219 transitions. Word has length 60 [2020-10-12 23:16:54,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:16:54,318 INFO L479 AbstractCegarLoop]: Abstraction has 953 states and 1219 transitions. [2020-10-12 23:16:54,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 23:16:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1219 transitions. [2020-10-12 23:16:54,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-12 23:16:54,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:16:54,321 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:16:54,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 23:16:54,321 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:16:54,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:16:54,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1630282668, now seen corresponding path program 1 times [2020-10-12 23:16:54,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:16:54,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414084048] [2020-10-12 23:16:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:16:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:54,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:54,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:54,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-12 23:16:54,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:54,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-12 23:16:54,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:16:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:16:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 23:16:54,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,324 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:16:55,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:16:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:16:55,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-12 23:16:55,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:16:55,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:16:55,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:16:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:55,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:16:55,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:16:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:16:55,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:16:55,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:16:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:55,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 23:16:55,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:16:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:16:55,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:16:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:55,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:16:55,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:16:55,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:16:55,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:16:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:16:55,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:16:55,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:16:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:16:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:16:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:16:55,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 23:16:55,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:16:55,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 23:16:55,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 23:16:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 23:16:55,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 23:16:55,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:16:55,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 23:16:55,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:16:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 23:16:55,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 23:16:55,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:55,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:55,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:16:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:16:55,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:16:55,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:55,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:16:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:16:55,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:16:55,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:55,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:16:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:16:55,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:16:55,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:16:55,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:16:55,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:16:55,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:16:55,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:16:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:16:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:16:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:16:55,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:16:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-12 23:16:55,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414084048] [2020-10-12 23:16:55,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:16:55,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 23:16:55,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593260660] [2020-10-12 23:16:55,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 23:16:55,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:16:55,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 23:16:55,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:16:55,919 INFO L87 Difference]: Start difference. First operand 953 states and 1219 transitions. Second operand 9 states. [2020-10-12 23:16:56,397 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:16:57,048 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-12 23:16:57,581 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-12 23:17:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:17:03,526 INFO L93 Difference]: Finished difference Result 1246 states and 1641 transitions. [2020-10-12 23:17:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 23:17:03,526 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-10-12 23:17:03,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:17:03,540 INFO L225 Difference]: With dead ends: 1246 [2020-10-12 23:17:03,540 INFO L226 Difference]: Without dead ends: 1243 [2020-10-12 23:17:03,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-10-12 23:17:03,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2020-10-12 23:17:03,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 952. [2020-10-12 23:17:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 952 states. [2020-10-12 23:17:03,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1217 transitions. [2020-10-12 23:17:03,689 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1217 transitions. Word has length 76 [2020-10-12 23:17:03,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:17:03,690 INFO L479 AbstractCegarLoop]: Abstraction has 952 states and 1217 transitions. [2020-10-12 23:17:03,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 23:17:03,690 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1217 transitions. [2020-10-12 23:17:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-12 23:17:03,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:17:03,692 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:17:03,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 23:17:03,692 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:17:03,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:17:03,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1000526153, now seen corresponding path program 1 times [2020-10-12 23:17:03,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:17:03,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908612239] [2020-10-12 23:17:03,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:17:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:03,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:04,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:04,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-12 23:17:04,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:04,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-12 23:17:04,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:04,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:04,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:04,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-12 23:17:04,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:04,664 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:17:04,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:17:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:04,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:04,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:04,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:04,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:04,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-12 23:17:04,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:17:04,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:04,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:17:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:04,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:04,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:04,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:04,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:04,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:17:04,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:04,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:04,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:04,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:04,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:04,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:17:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:04,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:04,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:04,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:04,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:04,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:17:04,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:04,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:04,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:04,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:04,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:04,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:17:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:04,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:04,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:04,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:04,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:04,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:17:04,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:04,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:04,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:17:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:04,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:04,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:04,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:17:04,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:04,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:17:04,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:04,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:04,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:04,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:17:04,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:04,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:17:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:04,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:04,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:04,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:17:04,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:04,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 23:17:04,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:04,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:04,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 23:17:04,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:05,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 23:17:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:05,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:05,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:05,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 23:17:05,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:05,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 23:17:05,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:05,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:05,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:05,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 23:17:05,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:05,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:05,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:05,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:05,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 23:17:05,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:05,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:17:05,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:05,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:05,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:05,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:05,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:05,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:05,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:05,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:05,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:05,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:05,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:17:05,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:05,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:05,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:05,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:05,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:05,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:17:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:05,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:05,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:05,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:17:05,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:05,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:17:05,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:05,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:05,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:05,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:05,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:05,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:05,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:05,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:05,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:05,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:05,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:17:05,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:05,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:05,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:05,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:05,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-12 23:17:05,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908612239] [2020-10-12 23:17:05,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:17:05,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 23:17:05,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718007297] [2020-10-12 23:17:05,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 23:17:05,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:17:05,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 23:17:05,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:17:05,183 INFO L87 Difference]: Start difference. First operand 952 states and 1217 transitions. Second operand 9 states. [2020-10-12 23:17:05,659 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:17:06,295 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:17:06,848 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2020-10-12 23:17:13,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:17:13,097 INFO L93 Difference]: Finished difference Result 1245 states and 1639 transitions. [2020-10-12 23:17:13,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 23:17:13,098 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2020-10-12 23:17:13,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:17:13,107 INFO L225 Difference]: With dead ends: 1245 [2020-10-12 23:17:13,107 INFO L226 Difference]: Without dead ends: 1242 [2020-10-12 23:17:13,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-10-12 23:17:13,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2020-10-12 23:17:13,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 951. [2020-10-12 23:17:13,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2020-10-12 23:17:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1215 transitions. [2020-10-12 23:17:13,514 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1215 transitions. Word has length 77 [2020-10-12 23:17:13,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:17:13,514 INFO L479 AbstractCegarLoop]: Abstraction has 951 states and 1215 transitions. [2020-10-12 23:17:13,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 23:17:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1215 transitions. [2020-10-12 23:17:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-12 23:17:13,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:17:13,519 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:17:13,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 23:17:13,519 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:17:13,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:17:13,520 INFO L82 PathProgramCache]: Analyzing trace with hash 951225847, now seen corresponding path program 1 times [2020-10-12 23:17:13,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:17:13,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252793956] [2020-10-12 23:17:13,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:17:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:13,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:14,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:14,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 23:17:14,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:14,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 453 [2020-10-12 23:17:14,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:14,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:14,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:14,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 23:17:14,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:14,814 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:17:14,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:17:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:14,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:15,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-12 23:17:15,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:17:15,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:15,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:17:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:15,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:15,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:17:15,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:15,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:15,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:15,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:17:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:15,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:15,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:17:15,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:15,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:15,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:15,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:17:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:15,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:15,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:17:15,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:15,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:15,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:17:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:15,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:17:15,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:17:15,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:15,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:17:15,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:15,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:17:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:15,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:17:15,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 23:17:15,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 23:17:15,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:15,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 23:17:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:15,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 23:17:15,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 23:17:15,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 23:17:15,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:15,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:15,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 23:17:15,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 23:17:15,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:15,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:15,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:15,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:15,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:15,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:17:15,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:15,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:15,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:17:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:15,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:17:15,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:17:15,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:15,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:15,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:15,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:15,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:15,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:15,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:15,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:17:15,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:15,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-12 23:17:15,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252793956] [2020-10-12 23:17:15,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:17:15,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 23:17:15,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307532546] [2020-10-12 23:17:15,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 23:17:15,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:17:15,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 23:17:15,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-12 23:17:15,516 INFO L87 Difference]: Start difference. First operand 951 states and 1215 transitions. Second operand 8 states. [2020-10-12 23:17:16,232 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:17:17,150 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-12 23:17:17,808 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-12 23:17:23,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:17:23,631 INFO L93 Difference]: Finished difference Result 1244 states and 1637 transitions. [2020-10-12 23:17:23,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 23:17:23,632 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-10-12 23:17:23,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:17:23,639 INFO L225 Difference]: With dead ends: 1244 [2020-10-12 23:17:23,639 INFO L226 Difference]: Without dead ends: 1241 [2020-10-12 23:17:23,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-12 23:17:23,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-10-12 23:17:23,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 950. [2020-10-12 23:17:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2020-10-12 23:17:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1213 transitions. [2020-10-12 23:17:23,853 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1213 transitions. Word has length 78 [2020-10-12 23:17:23,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:17:23,857 INFO L479 AbstractCegarLoop]: Abstraction has 950 states and 1213 transitions. [2020-10-12 23:17:23,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 23:17:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1213 transitions. [2020-10-12 23:17:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-12 23:17:23,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:17:23,859 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:17:23,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 23:17:23,860 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:17:23,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:17:23,860 INFO L82 PathProgramCache]: Analyzing trace with hash -577078772, now seen corresponding path program 1 times [2020-10-12 23:17:23,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:17:23,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883236680] [2020-10-12 23:17:23,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:17:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:23,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:24,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:24,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-12 23:17:24,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:24,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 629 [2020-10-12 23:17:24,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:17:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 23:17:24,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,098 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:17:25,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:17:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:25,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-12 23:17:25,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:17:25,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:17:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:25,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:17:25,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:25,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:25,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:17:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:25,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:17:25,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:25,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:25,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:17:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:25,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:17:25,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:25,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:25,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:17:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:17:25,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:17:25,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:25,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:17:25,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:17:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:17:25,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 23:17:25,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:25,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 23:17:25,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 23:17:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 23:17:25,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 23:17:25,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 23:17:25,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 23:17:25,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:17:25,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:25,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:25,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:17:25,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:17:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:17:25,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 23:17:25,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:25,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:25,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:25,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:25,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:25,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:17:25,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:25,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-12 23:17:25,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883236680] [2020-10-12 23:17:25,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:17:25,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 23:17:25,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011831404] [2020-10-12 23:17:25,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 23:17:25,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:17:25,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 23:17:25,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-12 23:17:25,596 INFO L87 Difference]: Start difference. First operand 950 states and 1213 transitions. Second operand 8 states. [2020-10-12 23:17:26,055 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:17:26,673 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-12 23:17:27,206 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-12 23:17:38,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:17:38,353 INFO L93 Difference]: Finished difference Result 3332 states and 4372 transitions. [2020-10-12 23:17:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 23:17:38,354 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-12 23:17:38,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:17:38,370 INFO L225 Difference]: With dead ends: 3332 [2020-10-12 23:17:38,370 INFO L226 Difference]: Without dead ends: 2407 [2020-10-12 23:17:38,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2020-10-12 23:17:38,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2020-10-12 23:17:38,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 1913. [2020-10-12 23:17:38,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1913 states. [2020-10-12 23:17:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2467 transitions. [2020-10-12 23:17:38,810 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2467 transitions. Word has length 79 [2020-10-12 23:17:38,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:17:38,810 INFO L479 AbstractCegarLoop]: Abstraction has 1913 states and 2467 transitions. [2020-10-12 23:17:38,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 23:17:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2467 transitions. [2020-10-12 23:17:38,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-12 23:17:38,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:17:38,814 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:17:38,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 23:17:38,814 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:17:38,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:17:38,815 INFO L82 PathProgramCache]: Analyzing trace with hash -709876838, now seen corresponding path program 1 times [2020-10-12 23:17:38,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:17:38,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073745282] [2020-10-12 23:17:38,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:17:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:39,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:39,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 23:17:39,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-12 23:17:39,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:39,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:39,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:39,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 23:17:39,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:39,801 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:17:39,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:17:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:39,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:39,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:39,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:39,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:39,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-12 23:17:39,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:39,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:39,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:39,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:17:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:40,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:17:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:40,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:40,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:40,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:40,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:40,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:17:40,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:40,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:40,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 23:17:40,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:17:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:40,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:40,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:40,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:40,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:40,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:17:40,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:40,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:40,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:40,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:40,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:40,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:17:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:40,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:40,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:40,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:40,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:40,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:17:40,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:40,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:40,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:17:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:40,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:40,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:40,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:17:40,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-12 23:17:40,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:40,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:17:40,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:40,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:17:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:40,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:40,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:40,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:17:40,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:40,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 23:17:40,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:40,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:40,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:40,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 23:17:40,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 23:17:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:40,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:40,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:40,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 23:17:40,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:40,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-12 23:17:40,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:40,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:40,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:40,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 23:17:40,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:40,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:40,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:40,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:40,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 23:17:40,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:40,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:17:40,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:40,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:40,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:40,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:40,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:40,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:40,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:40,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:17:40,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:40,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:40,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:40,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:40,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:40,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:17:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:40,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:40,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:40,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:17:40,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:40,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:17:40,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:40,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:40,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:40,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:40,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:40,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:40,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:40,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:17:40,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:40,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:40,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:17:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-12 23:17:40,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073745282] [2020-10-12 23:17:40,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:17:40,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 23:17:40,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614395039] [2020-10-12 23:17:40,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 23:17:40,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:17:40,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 23:17:40,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-12 23:17:40,501 INFO L87 Difference]: Start difference. First operand 1913 states and 2467 transitions. Second operand 8 states. [2020-10-12 23:17:40,985 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:17:41,592 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-12 23:17:42,121 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-12 23:17:48,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:17:48,215 INFO L93 Difference]: Finished difference Result 2401 states and 3171 transitions. [2020-10-12 23:17:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 23:17:48,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-12 23:17:48,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:17:48,229 INFO L225 Difference]: With dead ends: 2401 [2020-10-12 23:17:48,229 INFO L226 Difference]: Without dead ends: 2379 [2020-10-12 23:17:48,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-12 23:17:48,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2020-10-12 23:17:48,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 1893. [2020-10-12 23:17:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1893 states. [2020-10-12 23:17:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 2443 transitions. [2020-10-12 23:17:48,667 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 2443 transitions. Word has length 80 [2020-10-12 23:17:48,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:17:48,668 INFO L479 AbstractCegarLoop]: Abstraction has 1893 states and 2443 transitions. [2020-10-12 23:17:48,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 23:17:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2443 transitions. [2020-10-12 23:17:48,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 23:17:48,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:17:48,677 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:17:48,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 23:17:48,677 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:17:48,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:17:48,679 INFO L82 PathProgramCache]: Analyzing trace with hash -916534467, now seen corresponding path program 1 times [2020-10-12 23:17:48,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:17:48,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668256559] [2020-10-12 23:17:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:17:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:49,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:49,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:49,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:50,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:53,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:53,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-12 23:17:53,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 23:17:53,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-12 23:17:53,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 23:17:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 23:17:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,413 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:17:54,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:17:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:54,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 23:17:54,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:17:54,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:17:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:54,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:17:54,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:54,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:17:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:54,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:17:54,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:54,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:17:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:54,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:17:54,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:17:54,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:17:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:17:54,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:17:54,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:17:54,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:17:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:17:54,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 23:17:54,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 23:17:54,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 23:17:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:54,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:17:54,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:54,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:17:54,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 23:17:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:17:54,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 23:17:54,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:54,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 23:17:54,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:17:54,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:17:54,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:54,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:54,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 23:17:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:54,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:17:54,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:17:54,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:17:54,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 23:17:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:17:54,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 23:17:54,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:17:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 23:17:54,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:54,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 23:17:54,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:17:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:17:54,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 23:17:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:54,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:17:54,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:54,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 23:17:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:54,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:54,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:54,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:17:54,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:54,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:54,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 23:17:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:54,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:55,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 23:17:55,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:55,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:17:55,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 23:17:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:55,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:55,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:55,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:55,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 23:17:55,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:17:55,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:55,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:55,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:17:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:55,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:55,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:55,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:17:55,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:55,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:55,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:17:55,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:55,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:55,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 23:17:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:55,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:55,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 23:17:55,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 23:17:55,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-12 23:17:55,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:55,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:17:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:17:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 23:17:55,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:55,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 23:17:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:55,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:55,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 23:17:55,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:17:55,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 23:17:55,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:17:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:17:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:17:55,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:55,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 23:17:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:55,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:55,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:55,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:55,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:17:55,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:55,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:55,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:55,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 23:17:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:55,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:55,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:55,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:55,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:17:55,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:55,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:55,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:55,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 23:17:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:55,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:55,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:55,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:55,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:17:55,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:55,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:55,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:55,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:17:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:17:55,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:17:55,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:17:55,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:17:55,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:17:55,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:17:55,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:17:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:17:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:17:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:17:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:17:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 23:17:55,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668256559] [2020-10-12 23:17:55,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:17:55,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-12 23:17:55,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307339321] [2020-10-12 23:17:55,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 23:17:55,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:17:55,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 23:17:55,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2020-10-12 23:17:55,651 INFO L87 Difference]: Start difference. First operand 1893 states and 2443 transitions. Second operand 17 states. [2020-10-12 23:17:56,194 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:17:57,137 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-12 23:17:57,749 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-12 23:17:59,507 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-12 23:18:00,878 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 321 DAG size of output: 312 [2020-10-12 23:18:02,041 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 321 DAG size of output: 312 [2020-10-12 23:18:06,056 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:18:06,720 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-12 23:18:07,394 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-12 23:18:11,156 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-12 23:18:11,781 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-12 23:18:13,804 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-12 23:18:14,442 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-12 23:18:14,939 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2020-10-12 23:18:18,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:18:18,398 INFO L93 Difference]: Finished difference Result 4693 states and 6077 transitions. [2020-10-12 23:18:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 23:18:18,398 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 156 [2020-10-12 23:18:18,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:18:18,412 INFO L225 Difference]: With dead ends: 4693 [2020-10-12 23:18:18,412 INFO L226 Difference]: Without dead ends: 2801 [2020-10-12 23:18:18,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=334, Invalid=1388, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 23:18:18,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2020-10-12 23:18:18,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2400. [2020-10-12 23:18:18,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2400 states. [2020-10-12 23:18:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 3068 transitions. [2020-10-12 23:18:18,913 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 3068 transitions. Word has length 156 [2020-10-12 23:18:18,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:18:18,914 INFO L479 AbstractCegarLoop]: Abstraction has 2400 states and 3068 transitions. [2020-10-12 23:18:18,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 23:18:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 3068 transitions. [2020-10-12 23:18:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-12 23:18:18,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:18:18,922 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:18:18,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 23:18:18,923 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:18:18,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:18:18,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1299789583, now seen corresponding path program 1 times [2020-10-12 23:18:18,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:18:18,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774020290] [2020-10-12 23:18:18,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:18:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:19,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:19,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:19,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:19,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:21,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:24,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:24,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-12 23:18:24,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 23:18:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 23:18:24,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 23:18:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:18:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-12 23:18:24,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:24,746 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2020-10-12 23:18:24,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:18:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:24,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:24,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:24,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:24,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:24,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-12 23:18:24,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:18:24,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:24,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:18:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:24,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:24,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:24,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:18:24,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:24,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:18:24,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:24,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:24,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:24,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:18:24,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:24,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:18:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:24,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:24,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:24,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:18:24,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:24,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:18:24,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:24,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:18:24,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:24,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:18:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:24,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:24,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:24,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:18:24,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:24,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:18:24,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:24,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:24,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:24,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:18:24,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:24,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:18:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:24,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:24,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:24,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:18:24,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:24,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:18:24,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:24,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:24,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:24,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:18:24,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:25,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:18:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:25,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:25,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:25,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 23:18:25,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:25,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 23:18:25,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:25,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:25,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:25,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 23:18:25,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:25,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 23:18:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:25,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:25,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:25,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 23:18:25,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:25,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-12 23:18:25,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 23:18:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 23:18:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 23:18:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:18:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:25,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:25,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:18:25,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:25,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 23:18:25,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:18:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 23:18:25,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:25,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:18:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:25,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:25,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:25,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:25,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:25,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 23:18:25,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:25,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:18:25,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:25,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:18:25,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:25,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 23:18:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:25,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:25,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:25,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:25,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:25,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:18:25,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:25,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:25,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:25,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:18:25,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:25,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 23:18:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:25,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:25,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:25,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:25,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:25,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:18:25,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:25,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:25,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:25,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:18:25,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:25,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 23:18:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:25,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:25,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:25,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 23:18:25,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:25,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 23:18:25,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:18:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 23:18:25,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:25,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:18:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:25,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:25,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:25,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:25,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:25,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:18:25,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:25,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:18:25,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:25,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:18:25,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:26,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 23:18:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:26,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:18:26,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:18:26,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 23:18:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:26,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:18:26,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:26,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:18:26,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 23:18:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:26,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:18:26,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:18:26,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 23:18:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:26,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:18:26,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:18:26,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 23:18:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:18:26,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 23:18:26,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:26,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 23:18:26,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:18:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:18:26,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:18:26,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:18:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:18:26,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 23:18:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:26,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:18:26,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:18:26,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 23:18:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:18:26,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 23:18:26,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 23:18:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 23:18:26,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:18:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:26,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:18:26,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:18:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:18:26,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:26,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 23:18:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:26,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:18:26,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:18:26,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:26,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 23:18:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:26,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:18:26,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:18:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:18:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 23:18:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 23:18:26,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:18:26,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:18:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 23:18:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:18:26,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:18:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 23:18:26,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:18:26,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:18:26,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:18:26,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:18:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:26,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:26,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:18:26,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:18:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:18:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:18:26,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:26,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 23:18:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:26,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:26,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:27,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:27,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 23:18:27,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 23:18:27,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-12 23:18:27,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:18:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:18:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 23:18:27,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:27,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 23:18:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:27,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:27,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:27,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:27,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:27,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 23:18:27,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:18:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-12 23:18:27,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:18:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:18:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 23:18:27,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:18:27,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 23:18:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:27,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:27,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:27,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:27,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:27,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:18:27,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:18:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:18:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:18:27,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:27,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 23:18:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:27,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:27,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:27,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:27,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:27,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:18:27,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:18:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:18:27,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:18:27,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:27,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 23:18:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:27,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:27,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:27,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:27,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:18:27,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:18:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:18:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:18:27,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:27,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 23:18:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:18:27,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:18:27,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:18:27,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:18:27,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:18:27,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 23:18:27,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:18:27,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:18:27,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:18:27,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:18:27,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:18:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-12 23:18:27,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774020290] [2020-10-12 23:18:27,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 23:18:27,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 23:18:27,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699955399] [2020-10-12 23:18:27,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 23:18:27,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:18:27,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 23:18:27,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=803, Unknown=0, NotChecked=0, Total=870 [2020-10-12 23:18:27,752 INFO L87 Difference]: Start difference. First operand 2400 states and 3068 transitions. Second operand 30 states. [2020-10-12 23:18:28,433 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-12 23:18:29,575 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-12 23:18:30,336 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2020-10-12 23:18:32,704 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-12 23:18:33,633 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-12 23:18:34,438 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-12 23:18:35,355 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-12 23:18:36,572 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 321 DAG size of output: 311 [2020-10-12 23:18:38,123 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-12 23:18:38,792 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-12 23:18:39,463 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-12 23:18:40,928 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 321 DAG size of output: 308 [2020-10-12 23:18:41,980 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 302 [2020-10-12 23:18:43,075 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 318 DAG size of output: 308 [2020-10-12 23:18:44,207 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 314 DAG size of output: 312 [2020-10-12 23:18:45,764 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 318 DAG size of output: 316 [2020-10-12 23:18:47,222 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 318 DAG size of output: 316 [2020-10-12 23:18:48,477 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 318 DAG size of output: 316 [2020-10-12 23:18:49,974 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 318 DAG size of output: 316 [2020-10-12 23:18:51,299 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 326 DAG size of output: 316 [2020-10-12 23:18:55,331 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-12 23:18:56,899 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-12 23:18:57,909 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:18:58,661 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:18:59,316 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:19:00,149 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-12 23:19:00,811 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-12 23:19:03,711 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 319 DAG size of output: 317 [2020-10-12 23:19:04,903 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 323 DAG size of output: 321 [2020-10-12 23:19:06,037 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 318 DAG size of output: 316