/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:21:45,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:21:45,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:21:45,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:21:45,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:21:45,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:21:45,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:21:45,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:21:45,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:21:45,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:21:45,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:21:45,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:21:45,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:21:45,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:21:45,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:21:45,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:21:45,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:21:45,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:21:45,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:21:45,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:21:45,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:21:45,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:21:45,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:21:45,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:21:45,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:21:45,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:21:45,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:21:45,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:21:45,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:21:45,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:21:45,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:21:45,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:21:45,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:21:45,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:21:45,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:21:45,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:21:45,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:21:45,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:21:45,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:21:45,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:21:45,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:21:45,604 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 [2020-09-25 07:21:45,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:21:45,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:21:45,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:21:45,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:21:45,632 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:21:45,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:21:45,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:21:45,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:21:45,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:21:45,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:21:45,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:21:45,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:21:45,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:21:45,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:21:45,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:21:45,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:21:45,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:21:45,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:21:45,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:21:45,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:21:45,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:21:45,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:21:45,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:21:45,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:21:45,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:21:45,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:21:45,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 07:21:45,637 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 07:21:46,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:21:46,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:21:46,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:21:46,154 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:21:46,155 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:21:46,156 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 07:21:46,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fea9bcad5/584097d3de5147c9ba78c5a1a88cd373/FLAG5af066c2b [2020-09-25 07:21:47,020 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:21:47,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 07:21:47,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fea9bcad5/584097d3de5147c9ba78c5a1a88cd373/FLAG5af066c2b [2020-09-25 07:21:47,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fea9bcad5/584097d3de5147c9ba78c5a1a88cd373 [2020-09-25 07:21:47,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:21:47,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:21:47,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:21:47,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:21:47,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:21:47,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:21:47" (1/1) ... [2020-09-25 07:21:47,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156d188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:47, skipping insertion in model container [2020-09-25 07:21:47,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:21:47" (1/1) ... [2020-09-25 07:21:47,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:21:47,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:21:48,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:21:48,095 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:21:48,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:21:48,329 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:21:48,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48 WrapperNode [2020-09-25 07:21:48,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:21:48,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:21:48,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:21:48,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:21:48,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ... [2020-09-25 07:21:48,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ... [2020-09-25 07:21:48,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ... [2020-09-25 07:21:48,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ... [2020-09-25 07:21:48,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ... [2020-09-25 07:21:48,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ... [2020-09-25 07:21:48,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ... [2020-09-25 07:21:48,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:21:48,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:21:48,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:21:48,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:21:48,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:21:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:21:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:21:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 07:21:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 07:21:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 07:21:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-09-25 07:21:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-09-25 07:21:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-09-25 07:21:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-09-25 07:21:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-09-25 07:21:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-09-25 07:21:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-09-25 07:21:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-09-25 07:21:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-09-25 07:21:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-09-25 07:21:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:21:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 07:21:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 07:21:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 07:21:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 07:21:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 07:21:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 07:21:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 07:21:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-09-25 07:21:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-25 07:21:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-09-25 07:21:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-09-25 07:21:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 07:21:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 07:21:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 07:21:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 07:21:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 07:21:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 07:21:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 07:21:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 07:21:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 07:21:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 07:21:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 07:21:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 07:21:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 07:21:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 07:21:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 07:21:48,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 07:21:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 07:21:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 07:21:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 07:21:48,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 07:21:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 07:21:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 07:21:48,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 07:21:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 07:21:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 07:21:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 07:21:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-25 07:21:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 07:21:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 07:21:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 07:21:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 07:21:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 07:21:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-09-25 07:21:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-09-25 07:21:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-09-25 07:21:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-09-25 07:21:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-09-25 07:21:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 07:21:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 07:21:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 07:21:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-09-25 07:21:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-09-25 07:21:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-09-25 07:21:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-09-25 07:21:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-09-25 07:21:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 07:21:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:21:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 07:21:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 07:21:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 07:21:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-25 07:21:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 07:21:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 07:21:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 07:21:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 07:21:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 07:21:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 07:21:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-25 07:21:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-09-25 07:21:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 07:21:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 07:21:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 07:21:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 07:21:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-09-25 07:21:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-09-25 07:21:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 07:21:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 07:21:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 07:21:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 07:21:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 07:21:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 07:21:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 07:21:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:21:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-09-25 07:21:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 07:21:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 07:21:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 07:21:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-09-25 07:21:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-09-25 07:21:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-09-25 07:21:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-09-25 07:21:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-09-25 07:21:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-09-25 07:21:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-09-25 07:21:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-09-25 07:21:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-09-25 07:21:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-09-25 07:21:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-09-25 07:21:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-09-25 07:21:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 07:21:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:21:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-09-25 07:21:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-09-25 07:21:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:21:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-09-25 07:21:48,643 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-09-25 07:21:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:21:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:21:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:21:48,644 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-09-25 07:21:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-09-25 07:21:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-09-25 07:21:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 07:21:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 07:21:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:21:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 07:21:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 07:21:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 07:21:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 07:21:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 07:21:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 07:21:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 07:21:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 07:21:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 07:21:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 07:21:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 07:21:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 07:21:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 07:21:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 07:21:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 07:21:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 07:21:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 07:21:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:21:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 07:21:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 07:21:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 07:21:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:21:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:21:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 07:21:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:21:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:21:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 07:21:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:21:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:21:50,803 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:21:50,803 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 07:21:50,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:21:50 BoogieIcfgContainer [2020-09-25 07:21:50,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:21:50,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:21:50,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:21:50,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:21:50,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:21:47" (1/3) ... [2020-09-25 07:21:50,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6352bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:21:50, skipping insertion in model container [2020-09-25 07:21:50,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:48" (2/3) ... [2020-09-25 07:21:50,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6352bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:21:50, skipping insertion in model container [2020-09-25 07:21:50,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:21:50" (3/3) ... [2020-09-25 07:21:50,828 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 07:21:50,841 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:21:50,857 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:21:50,883 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:21:50,925 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:21:50,925 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:21:50,925 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:21:50,925 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:21:50,926 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:21:50,926 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:21:50,926 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:21:50,926 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:21:50,988 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states. [2020-09-25 07:21:51,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-25 07:21:51,027 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:21:51,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:21:51,029 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:21:51,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:21:51,037 INFO L82 PathProgramCache]: Analyzing trace with hash -945339618, now seen corresponding path program 1 times [2020-09-25 07:21:51,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:21:51,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440301017] [2020-09-25 07:21:51,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:21:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:51,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:52,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:53,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:53,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-25 07:21:53,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:21:53,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1609 [2020-09-25 07:21:53,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:53,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:21:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-09-25 07:21:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 07:21:53,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 07:21:53,653 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 07:21:53,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:21:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:53,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:53,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:53,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 07:21:53,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:21:53,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-25 07:21:53,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:53,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:53,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:21:53,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:21:53,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:21:53,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:21:54,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 07:21:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:54,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:54,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:54,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:21:54,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:21:54,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 07:21:54,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:54,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:21:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:21:54,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:21:54,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:21:54,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 07:21:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:54,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:54,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:54,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:21:54,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:21:54,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 07:21:54,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:54,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:21:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:21:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:21:54,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:21:54,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:21:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:54,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:54,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:54,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:21:54,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:21:54,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 07:21:54,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:54,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:54,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:21:54,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:21:54,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:21:54,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:21:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:21:54,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440301017] [2020-09-25 07:21:54,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:21:54,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:21:54,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962296769] [2020-09-25 07:21:54,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:21:54,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:21:54,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:21:54,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:21:54,364 INFO L87 Difference]: Start difference. First operand 934 states. Second operand 5 states. [2020-09-25 07:21:55,916 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 07:21:58,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:21:58,424 INFO L93 Difference]: Finished difference Result 1280 states and 1446 transitions. [2020-09-25 07:21:58,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:21:58,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-09-25 07:21:58,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:21:58,455 INFO L225 Difference]: With dead ends: 1280 [2020-09-25 07:21:58,455 INFO L226 Difference]: Without dead ends: 778 [2020-09-25 07:21:58,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:21:58,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-09-25 07:21:58,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 735. [2020-09-25 07:21:58,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-09-25 07:21:58,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 793 transitions. [2020-09-25 07:21:58,618 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 793 transitions. Word has length 278 [2020-09-25 07:21:58,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:21:58,620 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 793 transitions. [2020-09-25 07:21:58,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:21:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 793 transitions. [2020-09-25 07:21:58,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-25 07:21:58,626 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:21:58,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:21:58,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:21:58,627 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:21:58,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:21:58,628 INFO L82 PathProgramCache]: Analyzing trace with hash 758943000, now seen corresponding path program 1 times [2020-09-25 07:21:58,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:21:58,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472826803] [2020-09-25 07:21:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:21:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:58,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:59,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:59,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:59,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 07:21:59,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:21:59,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1123 [2020-09-25 07:21:59,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:59,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:59,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:21:59,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-09-25 07:21:59,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 07:21:59,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:00,304 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 07:22:00,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:00,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:00,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:00,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 07:22:00,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:00,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-09-25 07:22:00,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:00,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:00,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:00,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 07:22:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:00,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:00,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:00,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:22:00,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:00,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 07:22:00,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:00,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:00,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:22:00,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:00,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 07:22:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:00,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:00,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:00,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:22:00,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:00,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 07:22:00,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:00,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:22:00,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:00,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:00,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:00,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:00,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:22:00,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:00,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 07:22:00,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:00,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:00,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:22:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:22:01,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472826803] [2020-09-25 07:22:01,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:01,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:22:01,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662129195] [2020-09-25 07:22:01,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:22:01,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:01,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:22:01,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:22:01,115 INFO L87 Difference]: Start difference. First operand 735 states and 793 transitions. Second operand 5 states. [2020-09-25 07:22:02,443 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 07:22:04,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:04,747 INFO L93 Difference]: Finished difference Result 780 states and 845 transitions. [2020-09-25 07:22:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:22:04,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2020-09-25 07:22:04,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:04,756 INFO L225 Difference]: With dead ends: 780 [2020-09-25 07:22:04,756 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 07:22:04,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:22:04,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 07:22:04,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 734. [2020-09-25 07:22:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-09-25 07:22:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 791 transitions. [2020-09-25 07:22:04,825 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 791 transitions. Word has length 279 [2020-09-25 07:22:04,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:04,826 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 791 transitions. [2020-09-25 07:22:04,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:22:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 791 transitions. [2020-09-25 07:22:04,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 07:22:04,831 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:22:04,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:22:04,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:22:04,832 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:22:04,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:22:04,832 INFO L82 PathProgramCache]: Analyzing trace with hash 2052101473, now seen corresponding path program 1 times [2020-09-25 07:22:04,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:22:04,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524522457] [2020-09-25 07:22:04,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:22:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:05,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:05,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:06,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:06,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 07:22:06,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:22:06,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1068 [2020-09-25 07:22:06,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:06,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-09-25 07:22:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 07:22:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:06,597 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 07:22:06,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:06,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:06,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:06,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 07:22:06,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-09-25 07:22:06,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:06,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:06,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:06,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:07,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 07:22:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:07,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:07,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:07,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:22:07,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:07,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 07:22:07,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:07,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:22:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:07,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 07:22:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:07,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:07,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:07,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:22:07,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:07,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 07:22:07,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:07,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:22:07,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:07,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:07,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:07,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:07,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:22:07,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:07,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 07:22:07,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:07,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:07,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:07,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:07,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:07,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:22:07,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524522457] [2020-09-25 07:22:07,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:07,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:22:07,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832322601] [2020-09-25 07:22:07,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:22:07,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:07,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:22:07,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:22:07,344 INFO L87 Difference]: Start difference. First operand 734 states and 791 transitions. Second operand 5 states. [2020-09-25 07:22:08,654 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 07:22:10,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:10,951 INFO L93 Difference]: Finished difference Result 781 states and 844 transitions. [2020-09-25 07:22:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:22:10,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 280 [2020-09-25 07:22:10,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:10,958 INFO L225 Difference]: With dead ends: 781 [2020-09-25 07:22:10,958 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 07:22:10,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:22:10,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 07:22:11,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 732. [2020-09-25 07:22:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-09-25 07:22:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 787 transitions. [2020-09-25 07:22:11,012 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 787 transitions. Word has length 280 [2020-09-25 07:22:11,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:11,013 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 787 transitions. [2020-09-25 07:22:11,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:22:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 787 transitions. [2020-09-25 07:22:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-25 07:22:11,018 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:22:11,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:22:11,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:22:11,019 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:22:11,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:22:11,020 INFO L82 PathProgramCache]: Analyzing trace with hash -809653957, now seen corresponding path program 1 times [2020-09-25 07:22:11,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:22:11,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817917479] [2020-09-25 07:22:11,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:22:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:11,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:11,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-25 07:22:12,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:22:12,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 986 [2020-09-25 07:22:12,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-09-25 07:22:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 07:22:12,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:12,493 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 07:22:12,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 07:22:12,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-09-25 07:22:12,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:12,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:12,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 07:22:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:22:12,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 07:22:12,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:12,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 07:22:12,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 07:22:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 07:22:12,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 07:22:12,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:22:12,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:22:12,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 07:22:12,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:13,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:22:13,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817917479] [2020-09-25 07:22:13,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:13,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:22:13,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578046228] [2020-09-25 07:22:13,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:22:13,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:13,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:22:13,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:22:13,073 INFO L87 Difference]: Start difference. First operand 732 states and 787 transitions. Second operand 5 states. [2020-09-25 07:22:14,361 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 07:22:16,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:16,451 INFO L93 Difference]: Finished difference Result 777 states and 839 transitions. [2020-09-25 07:22:16,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:22:16,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2020-09-25 07:22:16,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:16,458 INFO L225 Difference]: With dead ends: 777 [2020-09-25 07:22:16,459 INFO L226 Difference]: Without dead ends: 760 [2020-09-25 07:22:16,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:22:16,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-25 07:22:16,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 717. [2020-09-25 07:22:16,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-09-25 07:22:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 770 transitions. [2020-09-25 07:22:16,550 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 770 transitions. Word has length 281 [2020-09-25 07:22:16,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:16,551 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 770 transitions. [2020-09-25 07:22:16,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:22:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 770 transitions. [2020-09-25 07:22:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-25 07:22:16,558 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:22:16,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:22:16,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:22:16,559 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:22:16,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:22:16,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1704679464, now seen corresponding path program 1 times [2020-09-25 07:22:16,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:22:16,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992080021] [2020-09-25 07:22:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:22:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:16,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:17,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:17,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:19,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:19,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-25 07:22:19,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:22:19,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2756 [2020-09-25 07:22:19,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:19,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:19,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:19,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-09-25 07:22:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 07:22:19,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:19,771 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 07:22:19,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:19,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:19,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:19,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 07:22:19,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:19,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-09-25 07:22:19,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:19,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:19,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:20,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 07:22:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:20,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:20,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:20,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:22:20,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:20,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 07:22:20,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:20,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:20,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:20,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:20,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:20,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:20,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-09-25 07:22:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:20,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:20,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:20,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 07:22:20,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:20,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 07:22:20,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:20,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 07:22:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:20,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:20,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:22:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:20,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:20,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:20,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:22:20,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:20,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 07:22:20,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:20,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:20,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:20,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:20,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 07:22:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:20,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:20,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:20,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 07:22:20,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:20,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 07:22:20,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:20,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 07:22:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:20,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:20,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:22:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:20,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:20,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:20,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:22:20,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:20,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:22:20,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:20,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:20,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:20,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 07:22:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:20,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:20,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:20,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:22:20,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:20,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 07:22:20,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:20,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:20,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:20,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-25 07:22:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:20,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:20,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:20,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:22:20,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:20,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 07:22:20,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:20,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 07:22:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:22:20,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992080021] [2020-09-25 07:22:20,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:20,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 07:22:20,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016170589] [2020-09-25 07:22:20,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 07:22:20,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:20,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 07:22:20,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:22:20,476 INFO L87 Difference]: Start difference. First operand 717 states and 770 transitions. Second operand 7 states. [2020-09-25 07:22:21,688 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 07:22:26,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:26,225 INFO L93 Difference]: Finished difference Result 1812 states and 2058 transitions. [2020-09-25 07:22:26,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:22:26,226 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 329 [2020-09-25 07:22:26,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:26,234 INFO L225 Difference]: With dead ends: 1812 [2020-09-25 07:22:26,234 INFO L226 Difference]: Without dead ends: 1347 [2020-09-25 07:22:26,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-25 07:22:26,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2020-09-25 07:22:26,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1049. [2020-09-25 07:22:26,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2020-09-25 07:22:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1142 transitions. [2020-09-25 07:22:26,310 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1142 transitions. Word has length 329 [2020-09-25 07:22:26,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:26,311 INFO L479 AbstractCegarLoop]: Abstraction has 1049 states and 1142 transitions. [2020-09-25 07:22:26,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 07:22:26,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1142 transitions. [2020-09-25 07:22:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-09-25 07:22:26,315 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:22:26,316 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:22:26,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 07:22:26,316 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:22:26,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:22:26,317 INFO L82 PathProgramCache]: Analyzing trace with hash -80114865, now seen corresponding path program 1 times [2020-09-25 07:22:26,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:22:26,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857557506] [2020-09-25 07:22:26,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:22:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:26,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:27,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:27,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-09-25 07:22:27,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:27,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1545 [2020-09-25 07:22:27,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:27,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:27,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:22:27,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 364 [2020-09-25 07:22:27,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 07:22:27,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:22:28,325 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 07:22:28,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 07:22:28,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-09-25 07:22:28,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:28,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 07:22:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:22:28,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 07:22:28,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:22:28,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-25 07:22:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 07:22:28,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 07:22:28,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:28,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:22:28,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:22:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 07:22:28,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 07:22:28,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:28,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:28,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-09-25 07:22:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 07:22:28,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 07:22:28,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:28,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:22:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:22:28,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 07:22:28,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:28,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:28,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:22:28,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-09-25 07:22:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 07:22:28,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 07:22:28,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:22:28,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:28,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:22:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:22:28,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 07:22:28,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:22:28,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:28,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 07:22:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:22:28,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 07:22:28,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:28,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 07:22:28,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:28,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-25 07:22:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:28,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:28,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:28,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 07:22:28,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:28,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 07:22:28,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:28,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:28,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:22:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:29,053 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-25 07:22:29,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857557506] [2020-09-25 07:22:29,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:29,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 07:22:29,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128609122] [2020-09-25 07:22:29,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 07:22:29,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:29,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 07:22:29,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:22:29,057 INFO L87 Difference]: Start difference. First operand 1049 states and 1142 transitions. Second operand 7 states. [2020-09-25 07:22:31,175 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 07:22:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:32,148 INFO L93 Difference]: Finished difference Result 1341 states and 1526 transitions. [2020-09-25 07:22:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 07:22:32,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 370 [2020-09-25 07:22:32,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:32,151 INFO L225 Difference]: With dead ends: 1341 [2020-09-25 07:22:32,151 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:22:32,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-09-25 07:22:32,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:22:32,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:22:32,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:22:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:22:32,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370 [2020-09-25 07:22:32,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:32,159 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:22:32,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 07:22:32,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:22:32,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:22:32,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 07:22:32,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:22:32,373 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 07:22:32,535 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 07:22:32,689 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 07:22:32,848 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 07:22:33,000 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 07:22:33,145 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 07:22:33,368 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 07:22:33,509 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 07:22:33,653 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 07:22:33,796 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 07:22:33,934 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 07:22:34,077 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 07:22:34,215 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 07:22:34,387 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 07:22:34,523 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 07:22:34,667 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 07:22:34,803 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175