/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 16:12:42,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:12:42,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:12:42,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:12:42,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:12:42,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:12:42,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:12:42,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:12:42,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:12:42,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:12:42,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:12:42,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:12:42,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:12:42,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:12:42,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:12:42,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:12:42,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:12:42,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:12:42,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:12:42,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:12:42,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:12:42,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:12:42,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:12:42,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:12:42,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 16:12:42,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 16:12:42,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 16:12:42,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 16:12:42,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 16:12:42,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 16:12:42,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 16:12:42,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 16:12:42,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 16:12:42,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 16:12:42,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 16:12:42,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 16:12:42,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 16:12:42,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 16:12:42,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:12:42,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:12:42,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:12:42,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 16:12:42,616 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:12:42,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:12:42,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:12:42,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:12:42,619 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:12:42,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:12:42,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:12:42,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:12:42,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:12:42,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:12:42,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:12:42,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:12:42,621 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:12:42,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:12:42,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:12:42,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:12:42,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:12:42,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:12:42,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:12:42,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:12:42,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:12:42,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:12:42,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:12:42,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:12:42,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:12:42,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:12:42,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:12:42,625 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:12:43,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:12:43,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:12:43,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:12:43,121 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:12:43,122 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:12:43,123 INFO L432 ainManager$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--block--paride--pf.ko-main.cil.out.i [2020-10-29 16:12:43,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a57f7086/a48ed3b3082649e39d2892cc01194b30/FLAGc25b65f43 [2020-10-29 16:12:44,250 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:12:44,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2020-10-29 16:12:44,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a57f7086/a48ed3b3082649e39d2892cc01194b30/FLAGc25b65f43 [2020-10-29 16:12:44,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a57f7086/a48ed3b3082649e39d2892cc01194b30 [2020-10-29 16:12:44,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:12:44,714 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:12:44,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:12:44,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:12:44,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:12:44,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:12:44" (1/1) ... [2020-10-29 16:12:44,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ef72b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:44, skipping insertion in model container [2020-10-29 16:12:44,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:12:44" (1/1) ... [2020-10-29 16:12:44,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:12:44,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:12:46,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:12:46,135 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 16:12:46,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:12:46,793 INFO L208 MainTranslator]: Completed translation [2020-10-29 16:12:46,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:46 WrapperNode [2020-10-29 16:12:46,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:12:46,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 16:12:46,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 16:12:46,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 16:12:46,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:46" (1/1) ... [2020-10-29 16:12:46,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:46" (1/1) ... [2020-10-29 16:12:46,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:46" (1/1) ... [2020-10-29 16:12:46,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:46" (1/1) ... [2020-10-29 16:12:47,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:46" (1/1) ... [2020-10-29 16:12:47,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:46" (1/1) ... [2020-10-29 16:12:47,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:46" (1/1) ... [2020-10-29 16:12:47,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 16:12:47,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 16:12:47,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 16:12:47,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 16:12:47,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:12:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 16:12:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 16:12:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-29 16:12:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2020-10-29 16:12:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 16:12:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 16:12:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 16:12:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2020-10-29 16:12:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2020-10-29 16:12:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_cur_bytes [2020-10-29 16:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2020-10-29 16:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2020-10-29 16:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_bytes [2020-10-29 16:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2020-10-29 16:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_sectors [2020-10-29 16:12:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2020-10-29 16:12:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_tq_int [2020-10-29 16:12:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_init_units [2020-10-29 16:12:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_open [2020-10-29 16:12:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2020-10-29 16:12:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2020-10-29 16:12:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_release [2020-10-29 16:12:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2020-10-29 16:12:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2020-10-29 16:12:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2020-10-29 16:12:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2020-10-29 16:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2020-10-29 16:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2020-10-29 16:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2020-10-29 16:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2020-10-29 16:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2020-10-29 16:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2020-10-29 16:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_eject [2020-10-29 16:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2020-10-29 16:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2020-10-29 16:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2020-10-29 16:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2020-10-29 16:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2020-10-29 16:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_get_capacity [2020-10-29 16:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2020-10-29 16:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2020-10-29 16:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_detect [2020-10-29 16:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_start [2020-10-29 16:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ready [2020-10-29 16:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_end_request [2020-10-29 16:12:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_request [2020-10-29 16:12:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_next_buf [2020-10-29 16:12:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2020-10-29 16:12:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_read [2020-10-29 16:12:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_read_start [2020-10-29 16:12:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_read_drq [2020-10-29 16:12:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_write [2020-10-29 16:12:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_write_start [2020-10-29 16:12:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_write_done [2020-10-29 16:12:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_init [2020-10-29 16:12:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_exit [2020-10-29 16:12:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 16:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-29 16:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-29 16:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-29 16:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2020-10-29 16:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-10-29 16:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2020-10-29 16:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-29 16:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-29 16:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-29 16:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-29 16:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-29 16:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2020-10-29 16:12:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-29 16:12:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2020-10-29 16:12:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 16:12:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 16:12:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 16:12:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:12:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:12:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-29 16:12:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-29 16:12:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:12:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-29 16:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-29 16:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:12:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:12:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:12:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pf_mutex [2020-10-29 16:12:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pf_mutex [2020-10-29 16:12:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2020-10-29 16:12:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pf_mutex [2020-10-29 16:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pf_mutex [2020-10-29 16:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pf_mutex [2020-10-29 16:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2020-10-29 16:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 16:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 16:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_cur [2020-10-29 16:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-29 16:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-29 16:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 16:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-29 16:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-29 16:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 16:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2020-10-29 16:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-29 16:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2020-10-29 16:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-29 16:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-29 16:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-29 16:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 16:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2020-10-29 16:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2020-10-29 16:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2020-10-29 16:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2020-10-29 16:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2020-10-29 16:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2020-10-29 16:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2020-10-29 16:12:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2020-10-29 16:12:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2020-10-29 16:12:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 16:12:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-29 16:12:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-29 16:12:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2020-10-29 16:12:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-29 16:12:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-29 16:12:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 16:12:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-29 16:12:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 16:12:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 16:12:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 16:12:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 16:12:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 16:12:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 16:12:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 16:12:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-29 16:12:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-29 16:12:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-29 16:12:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2020-10-29 16:12:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 16:12:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-29 16:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2020-10-29 16:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-29 16:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-29 16:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-29 16:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-29 16:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2020-10-29 16:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-29 16:12:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-29 16:12:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-29 16:12:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-10-29 16:12:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-29 16:12:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-29 16:12:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2020-10-29 16:12:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-29 16:12:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-29 16:12:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:12:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:12:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:12:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2020-10-29 16:12:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2020-10-29 16:12:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 16:12:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-29 16:12:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 16:12:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 16:12:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 16:12:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-10-29 16:12:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2020-10-29 16:12:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-29 16:12:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-29 16:12:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-29 16:12:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-29 16:12:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-29 16:12:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-29 16:12:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2020-10-29 16:12:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 16:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-29 16:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 16:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-29 16:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-29 16:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure bio_cur_bytes [2020-10-29 16:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 16:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2020-10-29 16:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2020-10-29 16:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_bytes [2020-10-29 16:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2020-10-29 16:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_sectors [2020-10-29 16:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2020-10-29 16:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_cur [2020-10-29 16:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-29 16:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-29 16:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2020-10-29 16:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2020-10-29 16:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2020-10-29 16:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2020-10-29 16:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2020-10-29 16:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2020-10-29 16:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2020-10-29 16:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2020-10-29 16:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2020-10-29 16:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2020-10-29 16:12:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ps_tq_int [2020-10-29 16:12:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2020-10-29 16:12:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-29 16:12:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2020-10-29 16:12:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure pf_open [2020-10-29 16:12:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_request [2020-10-29 16:12:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2020-10-29 16:12:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2020-10-29 16:12:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure pf_release [2020-10-29 16:12:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure pf_detect [2020-10-29 16:12:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_read [2020-10-29 16:12:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_read_start [2020-10-29 16:12:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_write [2020-10-29 16:12:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_write_start [2020-10-29 16:12:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_read_drq [2020-10-29 16:12:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_write_done [2020-10-29 16:12:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2020-10-29 16:12:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2020-10-29 16:12:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure pf_eject [2020-10-29 16:12:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2020-10-29 16:12:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 16:12:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure pf_init_units [2020-10-29 16:12:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 16:12:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-29 16:12:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 16:12:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2020-10-29 16:12:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2020-10-29 16:12:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2020-10-29 16:12:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2020-10-29 16:12:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2020-10-29 16:12:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2020-10-29 16:12:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2020-10-29 16:12:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 16:12:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2020-10-29 16:12:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2020-10-29 16:12:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2020-10-29 16:12:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2020-10-29 16:12:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2020-10-29 16:12:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2020-10-29 16:12:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure pf_get_capacity [2020-10-29 16:12:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2020-10-29 16:12:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure pf_start [2020-10-29 16:12:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ready [2020-10-29 16:12:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure pf_end_request [2020-10-29 16:12:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure pf_next_buf [2020-10-29 16:12:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2020-10-29 16:12:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure pf_init [2020-10-29 16:12:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure pf_exit [2020-10-29 16:12:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 16:12:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 16:12:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 16:12:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 16:12:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 16:12:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 16:12:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-29 16:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-29 16:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-29 16:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:12:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:12:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:12:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:12:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pf_mutex [2020-10-29 16:12:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pf_mutex [2020-10-29 16:12:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pf_mutex [2020-10-29 16:12:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pf_mutex [2020-10-29 16:12:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pf_mutex [2020-10-29 16:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 16:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 16:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 16:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-29 16:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 16:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 16:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 16:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 16:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 16:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 16:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 16:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 16:12:55,393 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 16:12:55,394 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-29 16:12:55,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:55 BoogieIcfgContainer [2020-10-29 16:12:55,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 16:12:55,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 16:12:55,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 16:12:55,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 16:12:55,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:12:44" (1/3) ... [2020-10-29 16:12:55,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184a54a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:12:55, skipping insertion in model container [2020-10-29 16:12:55,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:46" (2/3) ... [2020-10-29 16:12:55,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184a54a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:12:55, skipping insertion in model container [2020-10-29 16:12:55,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:55" (3/3) ... [2020-10-29 16:12:55,412 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2020-10-29 16:12:55,426 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 16:12:55,434 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 16:12:55,450 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 16:12:55,504 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 16:12:55,504 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 16:12:55,505 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 16:12:55,505 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 16:12:55,505 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 16:12:55,505 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 16:12:55,505 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 16:12:55,505 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 16:12:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states. [2020-10-29 16:12:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-29 16:12:55,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:12:55,576 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] [2020-10-29 16:12:55,577 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:12:55,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:12:55,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1990764248, now seen corresponding path program 1 times [2020-10-29 16:12:55,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:12:55,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719148653] [2020-10-29 16:12:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:12:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:12:56,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:12:56,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:12:58,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:13:01,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:13:01,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-29 16:13:01,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 16:13:01,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5123 [2020-10-29 16:13:01,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:13:01,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:13:01,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 16:13:01,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:13:01,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 16:13:01,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 16:13:03,304 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-29 16:13:03,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:13:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:13:03,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:13:03,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:13:03,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:13:03,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:13:03,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-29 16:13:03,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:13:03,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:13:03,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:13:03,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:13:03,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:13:03,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:13:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:13:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:13:03,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:13:03,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:13:03,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:13:03,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:13:03,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 16:13:03,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:13:03,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:13:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:13:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:13:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:13:03,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:13:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:13:03,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719148653] [2020-10-29 16:13:03,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:13:03,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:13:03,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329347913] [2020-10-29 16:13:03,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:13:03,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:13:03,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:13:03,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:13:03,748 INFO L87 Difference]: Start difference. First operand 979 states. Second operand 5 states. [2020-10-29 16:13:06,646 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-29 16:13:28,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:13:28,053 INFO L93 Difference]: Finished difference Result 1431 states and 1957 transitions. [2020-10-29 16:13:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 16:13:28,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-29 16:13:28,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:13:28,096 INFO L225 Difference]: With dead ends: 1431 [2020-10-29 16:13:28,096 INFO L226 Difference]: Without dead ends: 832 [2020-10-29 16:13:28,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:13:28,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-10-29 16:13:28,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 779. [2020-10-29 16:13:28,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2020-10-29 16:13:28,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1015 transitions. [2020-10-29 16:13:28,587 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1015 transitions. Word has length 30 [2020-10-29 16:13:28,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:13:28,588 INFO L481 AbstractCegarLoop]: Abstraction has 779 states and 1015 transitions. [2020-10-29 16:13:28,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:13:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1015 transitions. [2020-10-29 16:13:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-29 16:13:28,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:13:28,601 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] [2020-10-29 16:13:28,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 16:13:28,605 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:13:28,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:13:28,606 INFO L82 PathProgramCache]: Analyzing trace with hash -706957180, now seen corresponding path program 1 times [2020-10-29 16:13:28,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:13:28,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013935166] [2020-10-29 16:13:28,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:13:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:13:28,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:13:29,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:13:29,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:13:29,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-29 16:13:29,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:13:29,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1283 [2020-10-29 16:13:29,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:13:29,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:13:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:13:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:13:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 16:13:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:13:32,156 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-29 16:13:32,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:13:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:13:32,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:13:32,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:13:32,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:13:32,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:13:32,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 476 [2020-10-29 16:13:32,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:13:32,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:13:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:13:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:13:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:13:32,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:13:32,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:13:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:13:32,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:13:32,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:13:32,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:13:32,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:13:32,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:13:32,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:13:32,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:13:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:13:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:13:32,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:13:32,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:13:32,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 16:13:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:13:32,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:13:32,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:13:32,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:13:32,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:13:32,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:13:32,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:13:32,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:13:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:13:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 16:13:32,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:13:32,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:13:32,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:13:32,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013935166] [2020-10-29 16:13:32,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:13:32,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 16:13:32,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389767752] [2020-10-29 16:13:32,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 16:13:32,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:13:32,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 16:13:32,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:13:32,870 INFO L87 Difference]: Start difference. First operand 779 states and 1015 transitions. Second operand 7 states. [2020-10-29 16:13:36,870 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-29 16:13:57,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:13:57,378 INFO L93 Difference]: Finished difference Result 1641 states and 2177 transitions. [2020-10-29 16:13:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 16:13:57,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-10-29 16:13:57,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:13:57,387 INFO L225 Difference]: With dead ends: 1641 [2020-10-29 16:13:57,387 INFO L226 Difference]: Without dead ends: 873 [2020-10-29 16:13:57,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:13:57,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2020-10-29 16:13:57,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 779. [2020-10-29 16:13:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2020-10-29 16:13:57,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1014 transitions. [2020-10-29 16:13:57,734 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1014 transitions. Word has length 32 [2020-10-29 16:13:57,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:13:57,734 INFO L481 AbstractCegarLoop]: Abstraction has 779 states and 1014 transitions. [2020-10-29 16:13:57,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 16:13:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1014 transitions. [2020-10-29 16:13:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-29 16:13:57,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:13:57,737 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] [2020-10-29 16:13:57,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 16:13:57,737 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:13:57,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:13:57,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1403491450, now seen corresponding path program 1 times [2020-10-29 16:13:57,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:13:57,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717648386] [2020-10-29 16:13:57,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:13:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:13:57,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:13:57,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:13:58,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:01,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:01,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-29 16:14:01,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 16:14:01,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3328 [2020-10-29 16:14:01,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:01,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:01,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:14:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:14:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 16:14:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:03,361 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-29 16:14:03,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:14:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:03,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:03,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:03,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:03,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:03,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-29 16:14:03,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:03,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:14:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:14:03,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:14:03,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:14:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:03,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:03,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:03,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:03,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:03,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 16:14:03,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:03,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:14:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:14:03,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:14:03,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 16:14:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:03,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:03,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:03,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:03,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 16:14:03,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:14:03,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 16:14:03,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:03,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:03,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:14:03,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:03,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 16:14:03,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:14:03,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:14:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:03,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:03,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:03,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:03,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:03,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:14:03,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:03,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:03,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:14:03,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:03,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:14:03,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:14:03,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 16:14:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:03,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:03,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:03,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:03,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:03,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:14:03,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:03,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:03,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:14:03,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:03,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:14:03,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:14:03,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:14:03,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717648386] [2020-10-29 16:14:03,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:14:03,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:14:03,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874849689] [2020-10-29 16:14:03,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:14:03,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:14:03,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:14:03,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:14:03,749 INFO L87 Difference]: Start difference. First operand 779 states and 1014 transitions. Second operand 5 states. [2020-10-29 16:14:07,337 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-29 16:14:20,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:14:20,028 INFO L93 Difference]: Finished difference Result 830 states and 1089 transitions. [2020-10-29 16:14:20,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:14:20,029 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-10-29 16:14:20,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:14:20,037 INFO L225 Difference]: With dead ends: 830 [2020-10-29 16:14:20,038 INFO L226 Difference]: Without dead ends: 825 [2020-10-29 16:14:20,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:14:20,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2020-10-29 16:14:20,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 778. [2020-10-29 16:14:20,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 778 states. [2020-10-29 16:14:20,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1012 transitions. [2020-10-29 16:14:20,391 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1012 transitions. Word has length 38 [2020-10-29 16:14:20,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:14:20,392 INFO L481 AbstractCegarLoop]: Abstraction has 778 states and 1012 transitions. [2020-10-29 16:14:20,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:14:20,392 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1012 transitions. [2020-10-29 16:14:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-29 16:14:20,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:14:20,397 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] [2020-10-29 16:14:20,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 16:14:20,397 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:14:20,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:14:20,398 INFO L82 PathProgramCache]: Analyzing trace with hash -66803020, now seen corresponding path program 1 times [2020-10-29 16:14:20,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:14:20,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96551897] [2020-10-29 16:14:20,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:14:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:20,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:20,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:21,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:23,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:23,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 16:14:23,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 16:14:23,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3185 [2020-10-29 16:14:23,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:23,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:23,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:14:23,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:14:23,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 16:14:23,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:25,902 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-29 16:14:25,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:14:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:25,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:26,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:26,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:26,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:26,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-29 16:14:26,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:26,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:26,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:14:26,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:26,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:14:26,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:26,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:14:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:26,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:26,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:26,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:26,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:26,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:14:26,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:26,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:14:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:14:26,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:26,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 16:14:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:26,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:26,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:26,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:26,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 16:14:26,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:14:26,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 16:14:26,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:26,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:26,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:14:26,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:26,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 16:14:26,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:26,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:14:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:26,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:26,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:26,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:26,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:14:26,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:26,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:14:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:14:26,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:26,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 16:14:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:26,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:26,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:26,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:26,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:26,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:14:26,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:26,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:26,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:14:26,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:26,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:14:26,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:14:26,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96551897] [2020-10-29 16:14:26,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:14:26,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:14:26,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532946419] [2020-10-29 16:14:26,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:14:26,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:14:26,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:14:26,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:14:26,195 INFO L87 Difference]: Start difference. First operand 778 states and 1012 transitions. Second operand 5 states. [2020-10-29 16:14:29,316 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-29 16:14:42,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:14:42,530 INFO L93 Difference]: Finished difference Result 829 states and 1087 transitions. [2020-10-29 16:14:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:14:42,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-10-29 16:14:42,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:14:42,538 INFO L225 Difference]: With dead ends: 829 [2020-10-29 16:14:42,538 INFO L226 Difference]: Without dead ends: 824 [2020-10-29 16:14:42,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:14:42,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-10-29 16:14:42,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 777. [2020-10-29 16:14:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 777 states. [2020-10-29 16:14:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1010 transitions. [2020-10-29 16:14:42,859 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1010 transitions. Word has length 39 [2020-10-29 16:14:42,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:14:42,860 INFO L481 AbstractCegarLoop]: Abstraction has 777 states and 1010 transitions. [2020-10-29 16:14:42,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:14:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1010 transitions. [2020-10-29 16:14:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-29 16:14:42,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:14:42,862 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] [2020-10-29 16:14:42,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 16:14:42,862 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:14:42,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:14:42,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1603385853, now seen corresponding path program 1 times [2020-10-29 16:14:42,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:14:42,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456102649] [2020-10-29 16:14:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:14:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:42,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:43,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:43,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:45,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:45,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 16:14:45,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 16:14:45,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2446 [2020-10-29 16:14:45,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:45,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:14:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:14:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 16:14:45,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:47,547 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-29 16:14:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:14:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:47,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:47,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:47,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:47,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 16:14:47,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:47,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:14:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:14:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:47,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:14:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:47,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:47,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:47,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:47,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:47,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:14:47,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:47,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:47,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:14:47,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:47,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:14:47,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:47,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 16:14:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:47,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:47,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:47,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:47,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 16:14:47,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:14:47,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 16:14:47,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:47,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:47,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:14:47,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:47,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 16:14:47,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:47,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:14:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:47,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:47,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:47,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:47,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:47,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:14:47,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:47,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:47,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:14:47,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:47,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:14:47,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:47,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 16:14:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:14:47,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:14:47,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:14:47,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:14:47,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:14:47,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:14:47,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:14:47,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:14:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:14:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:14:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:14:47,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:14:47,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:14:47,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456102649] [2020-10-29 16:14:47,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:14:47,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:14:47,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115829318] [2020-10-29 16:14:47,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:14:47,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:14:47,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:14:47,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:14:47,856 INFO L87 Difference]: Start difference. First operand 777 states and 1010 transitions. Second operand 5 states. [2020-10-29 16:14:50,874 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-29 16:15:04,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:15:04,862 INFO L93 Difference]: Finished difference Result 828 states and 1085 transitions. [2020-10-29 16:15:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:15:04,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-29 16:15:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:15:04,871 INFO L225 Difference]: With dead ends: 828 [2020-10-29 16:15:04,871 INFO L226 Difference]: Without dead ends: 795 [2020-10-29 16:15:04,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:15:04,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2020-10-29 16:15:05,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 748. [2020-10-29 16:15:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-29 16:15:05,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 974 transitions. [2020-10-29 16:15:05,098 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 974 transitions. Word has length 40 [2020-10-29 16:15:05,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:15:05,098 INFO L481 AbstractCegarLoop]: Abstraction has 748 states and 974 transitions. [2020-10-29 16:15:05,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:15:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 974 transitions. [2020-10-29 16:15:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-29 16:15:05,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:15:05,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:15:05,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 16:15:05,101 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:15:05,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:15:05,101 INFO L82 PathProgramCache]: Analyzing trace with hash -594375935, now seen corresponding path program 1 times [2020-10-29 16:15:05,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:15:05,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168741558] [2020-10-29 16:15:05,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:15:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:15:05,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:15:05,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:15:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:15:09,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:15:09,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 16:15:09,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 16:15:09,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4723 [2020-10-29 16:15:09,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:15:09,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:15:09,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:15:09,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 16:15:09,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 16:15:09,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:15:12,035 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-29 16:15:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:15:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:15:12,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:15:12,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:15:12,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:15:12,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:15:12,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 16:15:12,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:15:12,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:15:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:15:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:15:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:15:12,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:15:12,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:15:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:15:12,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:15:12,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:15:12,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:15:12,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:15:12,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:15:12,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:15:12,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:15:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:15:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:15:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:15:12,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:15:12,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 16:15:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:15:12,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:15:12,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:15:12,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 16:15:12,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:15:12,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:15:12,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:15:12,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:15:12,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:15:12,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:15:12,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 16:15:12,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:15:12,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:15:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:15:12,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:15:12,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:15:12,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 16:15:12,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:15:12,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:15:12,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:15:12,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:15:12,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:15:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:15:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:15:12,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:15:12,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 16:15:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:15:12,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:15:12,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:15:12,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:15:12,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:15:12,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:15:12,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:15:12,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:15:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:15:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:15:12,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:15:12,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:15:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:15:12,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168741558] [2020-10-29 16:15:12,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:15:12,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 16:15:12,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381088296] [2020-10-29 16:15:12,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 16:15:12,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:15:12,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 16:15:12,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 16:15:12,326 INFO L87 Difference]: Start difference. First operand 748 states and 974 transitions. Second operand 6 states. [2020-10-29 16:15:18,010 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-29 16:15:34,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:15:34,353 INFO L93 Difference]: Finished difference Result 795 states and 1046 transitions. [2020-10-29 16:15:34,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 16:15:34,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2020-10-29 16:15:34,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:15:34,356 INFO L225 Difference]: With dead ends: 795 [2020-10-29 16:15:34,356 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 16:15:34,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-29 16:15:34,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 16:15:34,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 16:15:34,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 16:15:34,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 16:15:34,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2020-10-29 16:15:34,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:15:34,361 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 16:15:34,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 16:15:34,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 16:15:34,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 16:15:34,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 16:15:34,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 16:15:34,702 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2020-10-29 16:15:34,945 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2020-10-29 16:15:35,169 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2020-10-29 16:15:35,397 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2020-10-29 16:15:35,630 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2020-10-29 16:15:35,828 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2020-10-29 16:15:35,965 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2020-10-29 16:15:36,074 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2020-10-29 16:15:36,185 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2020-10-29 16:15:36,320 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2020-10-29 16:15:37,147 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 553 [2020-10-29 16:15:37,732 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 553 [2020-10-29 16:15:38,062 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:15:38,384 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:15:39,281 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:15:39,400 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2020-10-29 16:15:39,504 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2020-10-29 16:15:39,846 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:15:41,232 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:15:41,596 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2020-10-29 16:15:44,045 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:15:49,249 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 553 [2020-10-29 16:15:49,524 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 553 [2020-10-29 16:15:49,717 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:15:49,899 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:15:50,939 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:15:57,045 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:16:01,727 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:16:01,913 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:16:02,947 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 553 [2020-10-29 16:16:03,215 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 553 [2020-10-29 16:16:03,397 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:16:03,584 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:16:03,771 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:16:05,674 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:16:07,006 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:16:07,193 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 25 [2020-10-29 16:16:10,730 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 385 DAG size of output: 1 [2020-10-29 16:16:12,625 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 385 DAG size of output: 1 [2020-10-29 16:16:14,260 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 381 DAG size of output: 20 [2020-10-29 16:16:15,933 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 384 DAG size of output: 34 [2020-10-29 16:16:16,901 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 1 [2020-10-29 16:16:21,852 WARN L193 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 390 DAG size of output: 39 [2020-10-29 16:16:26,881 WARN L193 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 390 DAG size of output: 39