/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=DEEPEST --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--pcd.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 02:41:20,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 02:41:20,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 02:41:20,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 02:41:20,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 02:41:20,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 02:41:20,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 02:41:20,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 02:41:20,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 02:41:20,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 02:41:20,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 02:41:20,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 02:41:20,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 02:41:20,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 02:41:20,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 02:41:20,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 02:41:20,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 02:41:20,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 02:41:20,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 02:41:20,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 02:41:20,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 02:41:20,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 02:41:20,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 02:41:20,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 02:41:20,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 02:41:20,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 02:41:20,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 02:41:20,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 02:41:20,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 02:41:20,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 02:41:20,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 02:41:20,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 02:41:20,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 02:41:20,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 02:41:20,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 02:41:20,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 02:41:20,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 02:41:20,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 02:41:20,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 02:41:20,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 02:41:20,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 02:41:20,621 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 [2020-10-28 02:41:20,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 02:41:20,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 02:41:20,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 02:41:20,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 02:41:20,682 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 02:41:20,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 02:41:20,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 02:41:20,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 02:41:20,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 02:41:20,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 02:41:20,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 02:41:20,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 02:41:20,683 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 02:41:20,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 02:41:20,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 02:41:20,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 02:41:20,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 02:41:20,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 02:41:20,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 02:41:20,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 02:41:20,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 02:41:20,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 02:41:20,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 02:41:20,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 02:41:20,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 02:41:20,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 02:41:20,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 02:41:20,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 02:41:21,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 02:41:21,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 02:41:21,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 02:41:21,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 02:41:21,159 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 02:41:21,160 INFO L432 ainManager$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--pcd.ko-main.cil.out.i [2020-10-28 02:41:21,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac9d0cc23/9da1429f87464db89b8555ee3b90a14b/FLAG09efdbd4f [2020-10-28 02:41:22,236 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 02:41:22,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2020-10-28 02:41:22,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac9d0cc23/9da1429f87464db89b8555ee3b90a14b/FLAG09efdbd4f [2020-10-28 02:41:22,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac9d0cc23/9da1429f87464db89b8555ee3b90a14b [2020-10-28 02:41:22,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 02:41:22,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 02:41:22,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 02:41:22,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 02:41:22,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 02:41:22,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:41:22" (1/1) ... [2020-10-28 02:41:22,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c90709a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:22, skipping insertion in model container [2020-10-28 02:41:22,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:41:22" (1/1) ... [2020-10-28 02:41:22,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 02:41:22,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 02:41:24,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 02:41:24,328 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 02:41:24,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 02:41:24,886 INFO L208 MainTranslator]: Completed translation [2020-10-28 02:41:24,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:24 WrapperNode [2020-10-28 02:41:24,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 02:41:24,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 02:41:24,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 02:41:24,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 02:41:24,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:24" (1/1) ... [2020-10-28 02:41:24,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:24" (1/1) ... [2020-10-28 02:41:24,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:24" (1/1) ... [2020-10-28 02:41:24,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:24" (1/1) ... [2020-10-28 02:41:25,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:24" (1/1) ... [2020-10-28 02:41:25,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:24" (1/1) ... [2020-10-28 02:41:25,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:24" (1/1) ... [2020-10-28 02:41:25,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 02:41:25,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 02:41:25,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 02:41:25,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 02:41:25,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:24" (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 [2020-10-28 02:41:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 02:41:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 02:41:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-28 02:41:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2020-10-28 02:41:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 02:41:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 02:41:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 02:41:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_cur_bytes [2020-10-28 02:41:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2020-10-28 02:41:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_bytes [2020-10-28 02:41:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_sectors [2020-10-28 02:41:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2020-10-28 02:41:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_tq_int [2020-10-28 02:41:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_open [2020-10-28 02:41:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_release [2020-10-28 02:41:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2020-10-28 02:41:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2020-10-28 02:41:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_init_units [2020-10-28 02:41:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_open [2020-10-28 02:41:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_release [2020-10-28 02:41:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2020-10-28 02:41:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2020-10-28 02:41:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2020-10-28 02:41:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2020-10-28 02:41:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2020-10-28 02:41:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2020-10-28 02:41:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_req_sense [2020-10-28 02:41:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2020-10-28 02:41:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2020-10-28 02:41:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2020-10-28 02:41:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2020-10-28 02:41:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2020-10-28 02:41:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2020-10-28 02:41:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2020-10-28 02:41:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2020-10-28 02:41:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_ready_wait [2020-10-28 02:41:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2020-10-28 02:41:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2020-10-28 02:41:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2020-10-28 02:41:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe_capabilities [2020-10-28 02:41:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_detect [2020-10-28 02:41:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2020-10-28 02:41:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2020-10-28 02:41:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_ready [2020-10-28 02:41:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_transfer [2020-10-28 02:41:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_start [2020-10-28 02:41:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2020-10-28 02:41:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read_drq [2020-10-28 02:41:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2020-10-28 02:41:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2020-10-28 02:41:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_init [2020-10-28 02:41:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_exit [2020-10-28 02:41:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 02:41:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-28 02:41:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-28 02:41:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-28 02:41:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2020-10-28 02:41:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-10-28 02:41:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2020-10-28 02:41:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-28 02:41:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-28 02:41:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-28 02:41:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-28 02:41:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-28 02:41:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2020-10-28 02:41:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-28 02:41:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 02:41:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 02:41:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 02:41:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 02:41:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-28 02:41:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-28 02:41:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-28 02:41:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 02:41:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-28 02:41:25,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-28 02:41:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 02:41:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 02:41:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 02:41:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 02:41:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 02:41:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 02:41:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 02:41:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pcd_mutex [2020-10-28 02:41:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pcd_mutex [2020-10-28 02:41:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2020-10-28 02:41:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pcd_mutex [2020-10-28 02:41:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pcd_mutex [2020-10-28 02:41:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pcd_mutex [2020-10-28 02:41:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2020-10-28 02:41:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 02:41:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 02:41:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2020-10-28 02:41:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_cur [2020-10-28 02:41:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-28 02:41:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 02:41:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 02:41:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-28 02:41:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-28 02:41:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 02:41:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2020-10-28 02:41:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-28 02:41:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_check_events [2020-10-28 02:41:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_ioctl [2020-10-28 02:41:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_open [2020-10-28 02:41:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_release [2020-10-28 02:41:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-28 02:41:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure delayed_work_timer_fn [2020-10-28 02:41:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 02:41:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 02:41:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 02:41:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2020-10-28 02:41:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2020-10-28 02:41:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2020-10-28 02:41:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2020-10-28 02:41:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2020-10-28 02:41:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2020-10-28 02:41:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2020-10-28 02:41:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2020-10-28 02:41:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2020-10-28 02:41:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 02:41:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-28 02:41:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-28 02:41:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure register_cdrom [2020-10-28 02:41:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2020-10-28 02:41:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-28 02:41:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-28 02:41:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_cdrom [2020-10-28 02:41:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 02:41:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 02:41:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-28 02:41:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 02:41:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 02:41:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 02:41:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 02:41:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 02:41:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 02:41:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 02:41:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 02:41:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 02:41:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-28 02:41:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 02:41:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2020-10-28 02:41:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 02:41:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-28 02:41:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2020-10-28 02:41:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-28 02:41:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-28 02:41:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-28 02:41:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-28 02:41:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 02:41:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-28 02:41:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-28 02:41:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-10-28 02:41:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-28 02:41:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-28 02:41:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2020-10-28 02:41:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-28 02:41:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-28 02:41:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 02:41:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 02:41:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 02:41:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2020-10-28 02:41:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2020-10-28 02:41:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 02:41:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 02:41:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 02:41:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 02:41:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 02:41:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-10-28 02:41:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2020-10-28 02:41:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-28 02:41:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-28 02:41:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-28 02:41:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_open [2020-10-28 02:41:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_release [2020-10-28 02:41:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_ioctl [2020-10-28 02:41:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_check_events [2020-10-28 02:41:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure register_cdrom [2020-10-28 02:41:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_cdrom [2020-10-28 02:41:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-28 02:41:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-28 02:41:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-28 02:41:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-28 02:41:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-28 02:41:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure bio_cur_bytes [2020-10-28 02:41:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 02:41:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 02:41:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2020-10-28 02:41:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_bytes [2020-10-28 02:41:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_sectors [2020-10-28 02:41:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2020-10-28 02:41:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2020-10-28 02:41:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_cur [2020-10-28 02:41:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-28 02:41:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-28 02:41:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2020-10-28 02:41:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2020-10-28 02:41:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2020-10-28 02:41:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2020-10-28 02:41:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2020-10-28 02:41:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2020-10-28 02:41:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2020-10-28 02:41:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2020-10-28 02:41:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2020-10-28 02:41:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ps_tq_int [2020-10-28 02:41:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2020-10-28 02:41:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-28 02:41:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2020-10-28 02:41:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_open [2020-10-28 02:41:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_release [2020-10-28 02:41:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2020-10-28 02:41:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2020-10-28 02:41:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2020-10-28 02:41:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2020-10-28 02:41:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2020-10-28 02:41:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2020-10-28 02:41:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2020-10-28 02:41:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2020-10-28 02:41:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_detect [2020-10-28 02:41:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe_capabilities [2020-10-28 02:41:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read_drq [2020-10-28 02:41:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2020-10-28 02:41:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2020-10-28 02:41:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_open [2020-10-28 02:41:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_release [2020-10-28 02:41:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2020-10-28 02:41:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2020-10-28 02:41:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 02:41:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_init_units [2020-10-28 02:41:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 02:41:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-28 02:41:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 02:41:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 02:41:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2020-10-28 02:41:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2020-10-28 02:41:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2020-10-28 02:41:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2020-10-28 02:41:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2020-10-28 02:41:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2020-10-28 02:41:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_req_sense [2020-10-28 02:41:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 02:41:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2020-10-28 02:41:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2020-10-28 02:41:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2020-10-28 02:41:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_ready_wait [2020-10-28 02:41:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2020-10-28 02:41:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 02:41:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2020-10-28 02:41:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2020-10-28 02:41:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_ready [2020-10-28 02:41:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_transfer [2020-10-28 02:41:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_start [2020-10-28 02:41:25,399 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_init [2020-10-28 02:41:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_exit [2020-10-28 02:41:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 02:41:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 02:41:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 02:41:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 02:41:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 02:41:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 02:41:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 02:41:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 02:41:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-28 02:41:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-28 02:41:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 02:41:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-28 02:41:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 02:41:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 02:41:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 02:41:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 02:41:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pcd_mutex [2020-10-28 02:41:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pcd_mutex [2020-10-28 02:41:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pcd_mutex [2020-10-28 02:41:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pcd_mutex [2020-10-28 02:41:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pcd_mutex [2020-10-28 02:41:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 02:41:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 02:41:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 02:41:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 02:41:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 02:41:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 02:41:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 02:41:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 02:41:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 02:41:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 02:41:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 02:41:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 02:41:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 02:41:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 02:41:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 02:41:34,021 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 02:41:34,021 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-28 02:41:34,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:41:34 BoogieIcfgContainer [2020-10-28 02:41:34,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 02:41:34,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 02:41:34,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 02:41:34,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 02:41:34,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:41:22" (1/3) ... [2020-10-28 02:41:34,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2626b092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:41:34, skipping insertion in model container [2020-10-28 02:41:34,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:41:24" (2/3) ... [2020-10-28 02:41:34,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2626b092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:41:34, skipping insertion in model container [2020-10-28 02:41:34,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:41:34" (3/3) ... [2020-10-28 02:41:34,034 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2020-10-28 02:41:34,046 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 02:41:34,053 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 02:41:34,066 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 02:41:34,099 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 02:41:34,099 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 02:41:34,099 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 02:41:34,099 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 02:41:34,100 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 02:41:34,100 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 02:41:34,100 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 02:41:34,100 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 02:41:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states. [2020-10-28 02:41:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-28 02:41:34,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:41:34,154 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] [2020-10-28 02:41:34,154 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:41:34,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:41:34,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1013326651, now seen corresponding path program 1 times [2020-10-28 02:41:34,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:41:34,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183907441] [2020-10-28 02:41:34,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:41:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:41:34,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:41:35,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:41:38,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:41:39,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:41:39,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 02:41:39,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 02:41:39,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5096 [2020-10-28 02:41:39,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:41:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:41:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 02:41:39,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 02:41:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 02:41:42,280 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 613 [2020-10-28 02:41:42,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:41:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:41:42,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:41:42,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:41:42,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:41:42,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:41:42,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-28 02:41:42,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:41:42,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:41:42,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:41:42,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:41:42,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:41:42,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:41:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:41:42,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:41:42,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:41:42,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:41:42,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:41:42,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:41:42,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:41:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:41:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:41:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:41:42,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:41:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:41:42,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183907441] [2020-10-28 02:41:42,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:41:42,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:41:42,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189246115] [2020-10-28 02:41:42,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:41:42,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:41:42,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:41:42,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:41:42,791 INFO L87 Difference]: Start difference. First operand 1036 states. Second operand 5 states. [2020-10-28 02:41:46,043 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 615 [2020-10-28 02:42:22,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:42:22,328 INFO L93 Difference]: Finished difference Result 2722 states and 3816 transitions. [2020-10-28 02:42:22,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 02:42:22,333 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-28 02:42:22,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:42:22,379 INFO L225 Difference]: With dead ends: 2722 [2020-10-28 02:42:22,380 INFO L226 Difference]: Without dead ends: 1788 [2020-10-28 02:42:22,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:42:22,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2020-10-28 02:42:23,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1682. [2020-10-28 02:42:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2020-10-28 02:42:23,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2253 transitions. [2020-10-28 02:42:23,056 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2253 transitions. Word has length 30 [2020-10-28 02:42:23,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:42:23,057 INFO L481 AbstractCegarLoop]: Abstraction has 1682 states and 2253 transitions. [2020-10-28 02:42:23,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:42:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2253 transitions. [2020-10-28 02:42:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-28 02:42:23,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:42:23,062 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] [2020-10-28 02:42:23,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 02:42:23,063 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:42:23,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:42:23,064 INFO L82 PathProgramCache]: Analyzing trace with hash 656308169, now seen corresponding path program 1 times [2020-10-28 02:42:23,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:42:23,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977480247] [2020-10-28 02:42:23,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:42:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:42:23,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:42:23,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:42:23,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:42:23,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:42:25,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:42:25,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 02:42:25,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 02:42:25,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2755 [2020-10-28 02:42:25,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:42:25,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:42:25,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 02:42:25,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:42:25,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:42:28,412 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 613 [2020-10-28 02:42:28,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:42:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:42:28,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:42:28,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:42:28,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:42:28,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:42:28,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-28 02:42:28,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:42:28,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:42:28,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:42:28,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:42:28,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:42:28,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:42:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:42:28,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:42:28,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:42:28,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:42:28,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:42:28,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:42:28,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:42:28,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:42:28,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:42:28,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:42:28,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 02:42:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:42:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:42:28,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:42:28,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:42:28,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:42:28,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:42:28,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 02:42:28,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:42:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:42:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:42:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:42:28,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:42:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:42:28,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977480247] [2020-10-28 02:42:28,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:42:28,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:42:28,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931920063] [2020-10-28 02:42:28,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:42:28,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:42:28,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:42:28,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:42:28,786 INFO L87 Difference]: Start difference. First operand 1682 states and 2253 transitions. Second operand 6 states. [2020-10-28 02:42:35,521 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 615 [2020-10-28 02:43:01,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:43:01,281 INFO L93 Difference]: Finished difference Result 2112 states and 3000 transitions. [2020-10-28 02:43:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 02:43:01,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-28 02:43:01,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:43:01,299 INFO L225 Difference]: With dead ends: 2112 [2020-10-28 02:43:01,299 INFO L226 Difference]: Without dead ends: 2099 [2020-10-28 02:43:01,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-28 02:43:01,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2020-10-28 02:43:01,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 1683. [2020-10-28 02:43:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1683 states. [2020-10-28 02:43:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2254 transitions. [2020-10-28 02:43:01,862 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2254 transitions. Word has length 32 [2020-10-28 02:43:01,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:43:01,862 INFO L481 AbstractCegarLoop]: Abstraction has 1683 states and 2254 transitions. [2020-10-28 02:43:01,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:43:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2254 transitions. [2020-10-28 02:43:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-28 02:43:01,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:43:01,866 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] [2020-10-28 02:43:01,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 02:43:01,866 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:43:01,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:43:01,867 INFO L82 PathProgramCache]: Analyzing trace with hash -153038457, now seen corresponding path program 1 times [2020-10-28 02:43:01,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:43:01,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30009484] [2020-10-28 02:43:01,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:43:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:43:02,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:43:02,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:43:03,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:43:03,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 02:43:03,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:43:03,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1134 [2020-10-28 02:43:03,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:43:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:43:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:43:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 02:43:03,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:43:05,658 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 613 [2020-10-28 02:43:05,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:43:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:43:05,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:43:06,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:43:06,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:43:06,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:43:06,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-28 02:43:06,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:43:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:43:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:43:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:43:06,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:43:06,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:43:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:43:06,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:43:06,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:43:06,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:43:06,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:43:06,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 02:43:06,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:43:06,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:43:06,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:43:06,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:43:06,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:43:06,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:43:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:43:06,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:43:06,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:43:06,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:43:06,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:43:06,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 02:43:06,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:43:06,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:43:06,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:43:06,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 02:43:06,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:43:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:43:06,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [30009484] [2020-10-28 02:43:06,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:43:06,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:43:06,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691985884] [2020-10-28 02:43:06,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:43:06,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:43:06,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:43:06,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:43:06,259 INFO L87 Difference]: Start difference. First operand 1683 states and 2254 transitions. Second operand 6 states. [2020-10-28 02:43:10,715 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 615 [2020-10-28 02:43:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:43:37,040 INFO L93 Difference]: Finished difference Result 2089 states and 2970 transitions. [2020-10-28 02:43:37,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 02:43:37,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-28 02:43:37,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:43:37,055 INFO L225 Difference]: With dead ends: 2089 [2020-10-28 02:43:37,056 INFO L226 Difference]: Without dead ends: 2084 [2020-10-28 02:43:37,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-28 02:43:37,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2020-10-28 02:43:37,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1682. [2020-10-28 02:43:37,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2020-10-28 02:43:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2252 transitions. [2020-10-28 02:43:37,555 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2252 transitions. Word has length 32 [2020-10-28 02:43:37,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:43:37,556 INFO L481 AbstractCegarLoop]: Abstraction has 1682 states and 2252 transitions. [2020-10-28 02:43:37,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:43:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2252 transitions. [2020-10-28 02:43:37,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-28 02:43:37,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:43:37,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:43:37,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 02:43:37,559 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:43:37,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:43:37,559 INFO L82 PathProgramCache]: Analyzing trace with hash -995900318, now seen corresponding path program 1 times [2020-10-28 02:43:37,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:43:37,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860412348] [2020-10-28 02:43:37,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:43:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:43:37,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:43:37,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:43:38,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:43:38,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-28 02:43:38,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:43:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 975 [2020-10-28 02:43:38,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:43:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:43:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:43:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 02:43:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:43:41,153 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 613 [2020-10-28 02:43:41,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:43:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:43:41,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:43:41,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:43:41,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:43:41,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:43:41,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-28 02:43:41,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:43:41,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:43:41,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:43:41,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:43:41,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:43:41,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:43:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:43:41,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:43:41,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:43:41,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:43:41,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:43:41,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:43:41,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:43:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:43:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:43:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:43:41,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:43:41,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:43:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:43:41,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:43:41,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:43:41,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:43:41,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:43:41,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:43:41,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:43:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:43:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:43:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 02:43:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:43:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:43:41,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860412348] [2020-10-28 02:43:41,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:43:41,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:43:41,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029461813] [2020-10-28 02:43:41,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:43:41,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:43:41,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:43:41,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:43:41,462 INFO L87 Difference]: Start difference. First operand 1682 states and 2252 transitions. Second operand 6 states. [2020-10-28 02:43:45,631 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 615 [2020-10-28 02:44:11,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:44:11,559 INFO L93 Difference]: Finished difference Result 2088 states and 2968 transitions. [2020-10-28 02:44:11,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 02:44:11,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-10-28 02:44:11,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:44:11,581 INFO L225 Difference]: With dead ends: 2088 [2020-10-28 02:44:11,582 INFO L226 Difference]: Without dead ends: 2083 [2020-10-28 02:44:11,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-28 02:44:11,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2020-10-28 02:44:12,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1681. [2020-10-28 02:44:12,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1681 states. [2020-10-28 02:44:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2250 transitions. [2020-10-28 02:44:12,253 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2250 transitions. Word has length 33 [2020-10-28 02:44:12,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:44:12,253 INFO L481 AbstractCegarLoop]: Abstraction has 1681 states and 2250 transitions. [2020-10-28 02:44:12,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:44:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2250 transitions. [2020-10-28 02:44:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-28 02:44:12,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:44:12,256 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] [2020-10-28 02:44:12,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 02:44:12,256 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:44:12,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:44:12,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1350137046, now seen corresponding path program 1 times [2020-10-28 02:44:12,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:44:12,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758319747] [2020-10-28 02:44:12,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:44:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:44:12,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:44:12,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:44:13,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:44:13,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-28 02:44:13,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:44:13,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1049 [2020-10-28 02:44:13,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:44:13,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:44:13,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:44:13,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 02:44:13,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:44:15,976 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 613 [2020-10-28 02:44:15,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:44:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:44:16,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:44:16,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:44:16,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:44:16,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:44:16,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-28 02:44:16,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:44:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:44:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:44:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:44:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:44:16,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:44:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:44:16,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:44:16,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:44:16,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:44:16,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:44:16,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:44:16,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:44:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:44:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:44:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:44:16,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:44:16,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:44:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:44:16,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:44:16,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:44:16,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:44:16,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:44:16,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 02:44:16,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:44:16,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:44:16,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:44:16,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 02:44:16,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:44:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:44:16,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758319747] [2020-10-28 02:44:16,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:44:16,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:44:16,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055954330] [2020-10-28 02:44:16,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:44:16,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:44:16,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:44:16,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:44:16,308 INFO L87 Difference]: Start difference. First operand 1681 states and 2250 transitions. Second operand 6 states. [2020-10-28 02:44:21,552 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 615 [2020-10-28 02:44:38,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:44:38,890 INFO L93 Difference]: Finished difference Result 2087 states and 2966 transitions. [2020-10-28 02:44:38,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 02:44:38,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-28 02:44:38,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:44:38,909 INFO L225 Difference]: With dead ends: 2087 [2020-10-28 02:44:38,909 INFO L226 Difference]: Without dead ends: 2082 [2020-10-28 02:44:38,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-28 02:44:38,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2020-10-28 02:44:39,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 1680. [2020-10-28 02:44:39,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-10-28 02:44:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2248 transitions. [2020-10-28 02:44:39,564 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2248 transitions. Word has length 34 [2020-10-28 02:44:39,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:44:39,565 INFO L481 AbstractCegarLoop]: Abstraction has 1680 states and 2248 transitions. [2020-10-28 02:44:39,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:44:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2248 transitions. [2020-10-28 02:44:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-28 02:44:39,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:44:39,567 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] [2020-10-28 02:44:39,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 02:44:39,568 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:44:39,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:44:39,568 INFO L82 PathProgramCache]: Analyzing trace with hash 558103461, now seen corresponding path program 1 times [2020-10-28 02:44:39,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:44:39,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889067330] [2020-10-28 02:44:39,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:44:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:44:39,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:44:39,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:44:40,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:44:40,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-28 02:44:40,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:44:40,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1159 [2020-10-28 02:44:40,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:44:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:44:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:44:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 02:44:40,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:44:43,496 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 613 [2020-10-28 02:44:43,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:44:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:44:43,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:44:43,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:44:43,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:44:43,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:44:43,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-28 02:44:43,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:44:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:44:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:44:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:44:43,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:44:43,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:44:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:44:43,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:44:43,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:44:43,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:44:43,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:44:43,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:44:43,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:44:43,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:44:43,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:44:43,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:44:43,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:44:43,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:44:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:44:43,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:44:43,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:44:43,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:44:43,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:44:43,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 02:44:43,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:44:43,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:44:43,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:44:43,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 02:44:43,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:44:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:44:43,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889067330] [2020-10-28 02:44:43,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:44:43,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:44:43,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874469502] [2020-10-28 02:44:43,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:44:43,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:44:43,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:44:43,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:44:43,836 INFO L87 Difference]: Start difference. First operand 1680 states and 2248 transitions. Second operand 6 states. [2020-10-28 02:44:49,158 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 615