/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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 15:15:55,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 15:15:55,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 15:15:55,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 15:15:55,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 15:15:55,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 15:15:55,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 15:15:55,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 15:15:55,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 15:15:55,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 15:15:55,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 15:15:55,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 15:15:55,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 15:15:55,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 15:15:55,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 15:15:55,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 15:15:55,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 15:15:55,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 15:15:55,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 15:15:55,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 15:15:55,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 15:15:55,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 15:15:55,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 15:15:55,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 15:15:55,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 15:15:55,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 15:15:55,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 15:15:55,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 15:15:55,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 15:15:55,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 15:15:55,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 15:15:55,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 15:15:55,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 15:15:55,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 15:15:55,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 15:15:55,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 15:15:55,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 15:15:55,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 15:15:55,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 15:15:55,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 15:15:55,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 15:15:55,542 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 15:15:55,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 15:15:55,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 15:15:55,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 15:15:55,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 15:15:55,595 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 15:15:55,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 15:15:55,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 15:15:55,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 15:15:55,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 15:15:55,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 15:15:55,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 15:15:55,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 15:15:55,597 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 15:15:55,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 15:15:55,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 15:15:55,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 15:15:55,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 15:15:55,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 15:15:55,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 15:15:55,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 15:15:55,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 15:15:55,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 15:15:55,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 15:15:55,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 15:15:55,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 15:15:55,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 15:15:55,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 15:15:55,601 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 15:15:56,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 15:15:56,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 15:15:56,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 15:15:56,074 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 15:15:56,074 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 15:15:56,075 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 15:15:56,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/432d4fb98/d467139b68ff4f74891457e4bb9c328b/FLAG35155a6a2 [2020-09-25 15:15:56,929 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 15:15:56,930 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 15:15:56,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/432d4fb98/d467139b68ff4f74891457e4bb9c328b/FLAG35155a6a2 [2020-09-25 15:15:57,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/432d4fb98/d467139b68ff4f74891457e4bb9c328b [2020-09-25 15:15:57,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 15:15:57,085 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 15:15:57,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 15:15:57,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 15:15:57,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 15:15:57,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:15:57" (1/1) ... [2020-09-25 15:15:57,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144c4f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:57, skipping insertion in model container [2020-09-25 15:15:57,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:15:57" (1/1) ... [2020-09-25 15:15:57,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 15:15:57,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 15:15:58,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 15:15:58,188 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 15:15:58,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 15:15:58,536 INFO L208 MainTranslator]: Completed translation [2020-09-25 15:15:58,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:58 WrapperNode [2020-09-25 15:15:58,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 15:15:58,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 15:15:58,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 15:15:58,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 15:15:58,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:58" (1/1) ... [2020-09-25 15:15:58,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:58" (1/1) ... [2020-09-25 15:15:58,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:58" (1/1) ... [2020-09-25 15:15:58,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:58" (1/1) ... [2020-09-25 15:15:58,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:58" (1/1) ... [2020-09-25 15:15:58,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:58" (1/1) ... [2020-09-25 15:15:58,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:58" (1/1) ... [2020-09-25 15:15:58,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 15:15:58,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 15:15:58,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 15:15:58,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 15:15:58,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:58" (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 15:15:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 15:15:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 15:15:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 15:15:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 15:15:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 15:15:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-09-25 15:15:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-09-25 15:15:58,802 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-09-25 15:15:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-09-25 15:15:58,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-09-25 15:15:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-09-25 15:15:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-09-25 15:15:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-09-25 15:15:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-09-25 15:15:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-09-25 15:15:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 15:15:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 15:15:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 15:15:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 15:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 15:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 15:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 15:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 15:15:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-09-25 15:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-25 15:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-09-25 15:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-09-25 15:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 15:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 15:15:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 15:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 15:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 15:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 15:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 15:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 15:15:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 15:15:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 15:15:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 15:15:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 15:15:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 15:15:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 15:15:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 15:15:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 15:15:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 15:15:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 15:15:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 15:15:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 15:15:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 15:15:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 15:15:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 15:15:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 15:15:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 15:15:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 15:15:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-25 15:15:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 15:15:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 15:15:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 15:15:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 15:15:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 15:15:58,816 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-09-25 15:15:58,816 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-09-25 15:15:58,816 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-09-25 15:15:58,816 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-09-25 15:15:58,816 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-09-25 15:15:58,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 15:15:58,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 15:15:58,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 15:15:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-09-25 15:15:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-09-25 15:15:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-09-25 15:15:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-09-25 15:15:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-09-25 15:15:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 15:15:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 15:15:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 15:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 15:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 15:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-25 15:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 15:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 15:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 15:15:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 15:15:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 15:15:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 15:15:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-25 15:15:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-09-25 15:15:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 15:15:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 15:15:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 15:15:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 15:15:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-09-25 15:15:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-09-25 15:15:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 15:15:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 15:15:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 15:15:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 15:15:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 15:15:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 15:15:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 15:15:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 15:15:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-09-25 15:15:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 15:15:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 15:15:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 15:15:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-09-25 15:15:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-09-25 15:15:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-09-25 15:15:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-09-25 15:15:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-09-25 15:15:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-09-25 15:15:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-09-25 15:15:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-09-25 15:15:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-09-25 15:15:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-09-25 15:15:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-09-25 15:15:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-09-25 15:15:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 15:15:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 15:15:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-09-25 15:15:58,831 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-09-25 15:15:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 15:15:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-09-25 15:15:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-09-25 15:15:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 15:15:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 15:15:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 15:15:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-09-25 15:15:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-09-25 15:15:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-09-25 15:15:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 15:15:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 15:15:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 15:15:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 15:15:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 15:15:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 15:15:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 15:15:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 15:15:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 15:15:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 15:15:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 15:15:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 15:15:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 15:15:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 15:15:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 15:15:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 15:15:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 15:15:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 15:15:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 15:15:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 15:15:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 15:15:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 15:15:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 15:15:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 15:15:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 15:15:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 15:15:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 15:15:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 15:15:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 15:15:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 15:15:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 15:15:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 15:16:00,474 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 15:16:00,474 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 15:16:00,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:16:00 BoogieIcfgContainer [2020-09-25 15:16:00,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 15:16:00,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 15:16:00,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 15:16:00,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 15:16:00,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:15:57" (1/3) ... [2020-09-25 15:16:00,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1f1497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:16:00, skipping insertion in model container [2020-09-25 15:16:00,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:58" (2/3) ... [2020-09-25 15:16:00,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1f1497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:16:00, skipping insertion in model container [2020-09-25 15:16:00,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:16:00" (3/3) ... [2020-09-25 15:16:00,496 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 15:16:00,510 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 15:16:00,522 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 15:16:00,546 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 15:16:00,582 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 15:16:00,582 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 15:16:00,582 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 15:16:00,582 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 15:16:00,583 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 15:16:00,583 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 15:16:00,583 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 15:16:00,583 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 15:16:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states. [2020-09-25 15:16:00,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-25 15:16:00,645 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:00,646 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 15:16:00,647 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:00,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:00,657 INFO L82 PathProgramCache]: Analyzing trace with hash -945339618, now seen corresponding path program 1 times [2020-09-25 15:16:00,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:00,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861515835] [2020-09-25 15:16:00,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:01,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:02,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:02,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-25 15:16:02,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:02,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1606 [2020-09-25 15:16:02,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:02,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:02,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-09-25 15:16:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 15:16:02,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 15:16:03,288 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 15:16:03,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:03,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:03,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:03,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 15:16:03,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:03,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-25 15:16:03,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:03,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:03,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:03,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 15:16:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:03,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:03,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:03,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:03,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:03,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 15:16:03,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:03,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:03,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 15:16:03,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:03,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 15:16:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:03,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:03,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:03,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 15:16:03,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 15:16:03,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:03,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 15:16:03,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:03,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:03,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:03,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:03,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 15:16:03,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:03,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 15:16:03,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:03,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:03,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:03,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:04,028 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 15:16:04,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861515835] [2020-09-25 15:16:04,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:04,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 15:16:04,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874276256] [2020-09-25 15:16:04,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 15:16:04,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:04,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 15:16:04,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 15:16:04,061 INFO L87 Difference]: Start difference. First operand 934 states. Second operand 5 states. [2020-09-25 15:16:05,487 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 15:16:07,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:07,708 INFO L93 Difference]: Finished difference Result 1280 states and 1446 transitions. [2020-09-25 15:16:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 15:16:07,714 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-09-25 15:16:07,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:07,742 INFO L225 Difference]: With dead ends: 1280 [2020-09-25 15:16:07,742 INFO L226 Difference]: Without dead ends: 778 [2020-09-25 15:16:07,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 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 15:16:07,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-09-25 15:16:07,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 735. [2020-09-25 15:16:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-09-25 15:16:07,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 793 transitions. [2020-09-25 15:16:07,899 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 793 transitions. Word has length 278 [2020-09-25 15:16:07,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:07,901 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 793 transitions. [2020-09-25 15:16:07,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 15:16:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 793 transitions. [2020-09-25 15:16:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-25 15:16:07,907 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:07,907 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 15:16:07,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 15:16:07,908 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:07,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:07,908 INFO L82 PathProgramCache]: Analyzing trace with hash 758943000, now seen corresponding path program 1 times [2020-09-25 15:16:07,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:07,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296476412] [2020-09-25 15:16:07,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:08,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:08,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:09,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:09,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 15:16:09,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:09,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1126 [2020-09-25 15:16:09,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:09,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-09-25 15:16:09,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 15:16:09,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:09,499 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 15:16:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:09,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:09,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:09,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 15:16:09,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:09,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-25 15:16:09,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:09,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 15:16:09,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 15:16:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:09,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:09,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:09,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:09,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 15:16:09,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:09,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:09,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 15:16:09,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:09,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 15:16:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:09,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:09,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:09,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 15:16:09,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:09,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 15:16:09,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:09,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:09,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 15:16:09,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:09,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:09,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:09,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:09,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 15:16:09,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:09,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 15:16:09,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:09,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:09,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:09,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:10,040 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 15:16:10,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296476412] [2020-09-25 15:16:10,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:10,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 15:16:10,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846654672] [2020-09-25 15:16:10,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 15:16:10,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:10,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 15:16:10,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 15:16:10,049 INFO L87 Difference]: Start difference. First operand 735 states and 793 transitions. Second operand 5 states. [2020-09-25 15:16:11,336 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 15:16:13,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:13,155 INFO L93 Difference]: Finished difference Result 780 states and 845 transitions. [2020-09-25 15:16:13,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 15:16:13,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2020-09-25 15:16:13,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:13,169 INFO L225 Difference]: With dead ends: 780 [2020-09-25 15:16:13,169 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 15:16:13,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 15:16:13,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 15:16:13,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 734. [2020-09-25 15:16:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-09-25 15:16:13,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 791 transitions. [2020-09-25 15:16:13,225 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 791 transitions. Word has length 279 [2020-09-25 15:16:13,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:13,225 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 791 transitions. [2020-09-25 15:16:13,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 15:16:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 791 transitions. [2020-09-25 15:16:13,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 15:16:13,230 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:13,231 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 15:16:13,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 15:16:13,231 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:13,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:13,232 INFO L82 PathProgramCache]: Analyzing trace with hash 2052101473, now seen corresponding path program 1 times [2020-09-25 15:16:13,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:13,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867545007] [2020-09-25 15:16:13,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:13,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:13,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:14,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:14,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 15:16:14,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:14,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1054 [2020-09-25 15:16:14,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:14,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:14,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:14,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-09-25 15:16:14,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 15:16:14,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 15:16:14,760 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 15:16:14,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:14,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:15,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:15,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 15:16:15,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:15,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-09-25 15:16:15,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:15,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:15,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:15,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:15,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:15,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:15,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 15:16:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:15,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:15,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:15,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:15,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:15,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 15:16:15,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:15,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 15:16:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:15,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 15:16:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:15,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:15,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:15,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 15:16:15,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:15,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 15:16:15,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:15,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 15:16:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:15,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:15,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:15,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:15,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 15:16:15,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:15,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 15:16:15,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:15,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:15,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:15,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:15,408 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 15:16:15,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867545007] [2020-09-25 15:16:15,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:15,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 15:16:15,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354418903] [2020-09-25 15:16:15,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 15:16:15,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:15,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 15:16:15,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 15:16:15,413 INFO L87 Difference]: Start difference. First operand 734 states and 791 transitions. Second operand 5 states. [2020-09-25 15:16:16,792 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 15:16:18,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:18,691 INFO L93 Difference]: Finished difference Result 781 states and 844 transitions. [2020-09-25 15:16:18,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 15:16:18,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 280 [2020-09-25 15:16:18,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:18,697 INFO L225 Difference]: With dead ends: 781 [2020-09-25 15:16:18,698 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 15:16:18,699 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 15:16:18,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 15:16:18,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 732. [2020-09-25 15:16:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-09-25 15:16:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 787 transitions. [2020-09-25 15:16:18,759 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 787 transitions. Word has length 280 [2020-09-25 15:16:18,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:18,760 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 787 transitions. [2020-09-25 15:16:18,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 15:16:18,761 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 787 transitions. [2020-09-25 15:16:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-25 15:16:18,765 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:18,765 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 15:16:18,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 15:16:18,766 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:18,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:18,766 INFO L82 PathProgramCache]: Analyzing trace with hash -809653957, now seen corresponding path program 1 times [2020-09-25 15:16:18,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:18,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190366358] [2020-09-25 15:16:18,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:18,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:19,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:19,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:19,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-25 15:16:19,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:19,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 919 [2020-09-25 15:16:19,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:19,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-09-25 15:16:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 15:16:19,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:20,049 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 15:16:20,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:20,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:20,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:20,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 15:16:20,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:20,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-25 15:16:20,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:20,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:20,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:20,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 15:16:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:20,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:20,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:20,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:20,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:20,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 15:16:20,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:20,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:20,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:20,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:20,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 15:16:20,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:20,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 15:16:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:20,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:20,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:20,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 15:16:20,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:20,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 15:16:20,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:20,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 15:16:20,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:20,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:20,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:20,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:20,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 15:16:20,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 15:16:20,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:20,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:20,513 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 15:16:20,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190366358] [2020-09-25 15:16:20,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:20,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 15:16:20,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173426693] [2020-09-25 15:16:20,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 15:16:20,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:20,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 15:16:20,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 15:16:20,517 INFO L87 Difference]: Start difference. First operand 732 states and 787 transitions. Second operand 5 states. [2020-09-25 15:16:21,667 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 15:16:23,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:23,437 INFO L93 Difference]: Finished difference Result 777 states and 839 transitions. [2020-09-25 15:16:23,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 15:16:23,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2020-09-25 15:16:23,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:23,444 INFO L225 Difference]: With dead ends: 777 [2020-09-25 15:16:23,445 INFO L226 Difference]: Without dead ends: 760 [2020-09-25 15:16:23,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 15:16:23,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-25 15:16:23,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 717. [2020-09-25 15:16:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-09-25 15:16:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 770 transitions. [2020-09-25 15:16:23,502 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 770 transitions. Word has length 281 [2020-09-25 15:16:23,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:23,503 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 770 transitions. [2020-09-25 15:16:23,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 15:16:23,503 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 770 transitions. [2020-09-25 15:16:23,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-25 15:16:23,514 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:23,514 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 15:16:23,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 15:16:23,515 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:23,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:23,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1704679464, now seen corresponding path program 1 times [2020-09-25 15:16:23,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:23,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2688373] [2020-09-25 15:16:23,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:23,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:24,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:24,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:26,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:26,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-25 15:16:26,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 15:16:26,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2774 [2020-09-25 15:16:26,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:26,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-09-25 15:16:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 15:16:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:26,726 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 15:16:26,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:26,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:26,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:26,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 15:16:26,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-25 15:16:26,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:26,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:26,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:26,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:26,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:26,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 15:16:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:27,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 15:16:27,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:27,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:27,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 15:16:27,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-09-25 15:16:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 15:16:27,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 15:16:27,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 15:16:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:27,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:27,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 15:16:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:27,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 15:16:27,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 15:16:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 15:16:27,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 15:16:27,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 15:16:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:27,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 15:16:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 15:16:27,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 15:16:27,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 15:16:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 15:16:27,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 15:16:27,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:27,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:27,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:27,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-25 15:16:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:27,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 15:16:27,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 15:16:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:27,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,402 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 15:16:27,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2688373] [2020-09-25 15:16:27,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:27,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 15:16:27,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149515600] [2020-09-25 15:16:27,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 15:16:27,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:27,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 15:16:27,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 15:16:27,406 INFO L87 Difference]: Start difference. First operand 717 states and 770 transitions. Second operand 7 states. [2020-09-25 15:16:28,423 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 15:16:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:32,549 INFO L93 Difference]: Finished difference Result 1812 states and 2058 transitions. [2020-09-25 15:16:32,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 15:16:32,550 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 329 [2020-09-25 15:16:32,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:32,558 INFO L225 Difference]: With dead ends: 1812 [2020-09-25 15:16:32,558 INFO L226 Difference]: Without dead ends: 1347 [2020-09-25 15:16:32,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-25 15:16:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2020-09-25 15:16:32,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1049. [2020-09-25 15:16:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2020-09-25 15:16:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1142 transitions. [2020-09-25 15:16:32,649 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1142 transitions. Word has length 329 [2020-09-25 15:16:32,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:32,649 INFO L479 AbstractCegarLoop]: Abstraction has 1049 states and 1142 transitions. [2020-09-25 15:16:32,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 15:16:32,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1142 transitions. [2020-09-25 15:16:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-09-25 15:16:32,659 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:32,659 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 15:16:32,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 15:16:32,660 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:32,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:32,661 INFO L82 PathProgramCache]: Analyzing trace with hash -80114865, now seen corresponding path program 1 times [2020-09-25 15:16:32,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:32,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738363598] [2020-09-25 15:16:32,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:32,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:34,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:34,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-09-25 15:16:34,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:34,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1511 [2020-09-25 15:16:34,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:34,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:34,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 15:16:34,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 364 [2020-09-25 15:16:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 15:16:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:34,643 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 15:16:34,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:34,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:34,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:34,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 15:16:34,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:34,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-25 15:16:34,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:34,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:34,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:34,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:34,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:34,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:35,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 15:16:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:35,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:35,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:35,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 15:16:35,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:35,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:35,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:35,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-25 15:16:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:35,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:35,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:35,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 15:16:35,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:35,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 15:16:35,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:35,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:35,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:35,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 15:16:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:35,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:35,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:35,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 15:16:35,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:35,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 15:16:35,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:35,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:35,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:35,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:35,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:35,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:35,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-09-25 15:16:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:35,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:35,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:35,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 15:16:35,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:35,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 15:16:35,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:35,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:35,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:35,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:35,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:35,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:35,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 15:16:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:35,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:35,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:35,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:35,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:35,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 15:16:35,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:35,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:35,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:35,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-09-25 15:16:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:35,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:35,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:35,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 15:16:35,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:35,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 15:16:35,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:35,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 15:16:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:35,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 15:16:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:35,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:35,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:35,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 15:16:35,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:35,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 15:16:35,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:35,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:35,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:35,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:35,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 15:16:35,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:35,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 15:16:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:35,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:35,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:35,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 15:16:35,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 15:16:35,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:35,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 15:16:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:35,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-25 15:16:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:35,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:35,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:35,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:35,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:35,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 15:16:35,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:35,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 15:16:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:35,420 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 15:16:35,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738363598] [2020-09-25 15:16:35,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:35,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 15:16:35,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329550720] [2020-09-25 15:16:35,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 15:16:35,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:35,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 15:16:35,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 15:16:35,423 INFO L87 Difference]: Start difference. First operand 1049 states and 1142 transitions. Second operand 7 states. [2020-09-25 15:16:37,505 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 15:16:38,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:38,439 INFO L93 Difference]: Finished difference Result 1341 states and 1526 transitions. [2020-09-25 15:16:38,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 15:16:38,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 370 [2020-09-25 15:16:38,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:38,442 INFO L225 Difference]: With dead ends: 1341 [2020-09-25 15:16:38,442 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 15:16:38,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-09-25 15:16:38,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 15:16:38,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 15:16:38,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 15:16:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 15:16:38,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370 [2020-09-25 15:16:38,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:38,451 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 15:16:38,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 15:16:38,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 15:16:38,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 15:16:38,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 15:16:38,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 15:16:38,669 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:38,839 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 15:16:39,004 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 15:16:39,163 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:39,328 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 15:16:39,491 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:39,741 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 15:16:39,893 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:40,050 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 15:16:40,201 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:40,341 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:40,484 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 15:16:40,620 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:40,796 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:40,933 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:41,076 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 15:16:41,212 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 15:16:41,377 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:41,516 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:41,872 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23 [2020-09-25 15:16:42,201 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23 [2020-09-25 15:16:42,343 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:42,478 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:42,667 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:42,808 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 15:16:42,943 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:43,080 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:43,219 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 15:16:43,354 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 15:16:43,490 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 15:16:43,631 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 15:16:43,769 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 15:16:43,891 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 15:16:44,208 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23 [2020-09-25 15:16:44,525 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 26