/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 21:27:16,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 21:27:16,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 21:27:16,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 21:27:16,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 21:27:16,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 21:27:16,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 21:27:16,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 21:27:16,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 21:27:16,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 21:27:16,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 21:27:16,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 21:27:16,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 21:27:16,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 21:27:16,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 21:27:16,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 21:27:16,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 21:27:16,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 21:27:16,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 21:27:16,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 21:27:16,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 21:27:16,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 21:27:16,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 21:27:16,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 21:27:16,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 21:27:16,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 21:27:16,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 21:27:16,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 21:27:16,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 21:27:16,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-28 21:27:16,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 21:27:16,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 21:27:16,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 21:27:16,608 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 21:27:16,661 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 21:27:16,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 21:27:16,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 21:27:16,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 21:27:16,667 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 21:27:16,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 21:27:16,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 21:27:16,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 21:27:16,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 21:27:16,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 21:27:16,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 21:27:16,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 21:27:16,670 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 21:27:16,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 21:27:16,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 21:27:16,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 21:27:16,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 21:27:16,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 21:27:16,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:27:16,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 21:27:16,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 21:27:16,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 21:27:16,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 21:27:16,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 21:27:16,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 21:27:16,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 21:27:16,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 21:27:16,674 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 21:27:17,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 21:27:17,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 21:27:17,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 21:27:17,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 21:27:17,111 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 21:27:17,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2020-10-28 21:27:17,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f64871e93/4d19da5eeb9340aaab425db5e510734e/FLAGb11611ba0 [2020-10-28 21:27:18,188 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 21:27:18,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2020-10-28 21:27:18,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f64871e93/4d19da5eeb9340aaab425db5e510734e/FLAGb11611ba0 [2020-10-28 21:27:18,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f64871e93/4d19da5eeb9340aaab425db5e510734e [2020-10-28 21:27:18,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 21:27:18,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 21:27:18,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 21:27:18,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 21:27:18,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 21:27:18,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:27:18" (1/1) ... [2020-10-28 21:27:18,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52aeac02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:18, skipping insertion in model container [2020-10-28 21:27:18,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:27:18" (1/1) ... [2020-10-28 21:27:18,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 21:27:18,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 21:27:20,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:27:20,255 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 21:27:20,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:27:20,868 INFO L208 MainTranslator]: Completed translation [2020-10-28 21:27:20,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:20 WrapperNode [2020-10-28 21:27:20,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 21:27:20,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 21:27:20,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 21:27:20,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 21:27:20,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:20" (1/1) ... [2020-10-28 21:27:20,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:20" (1/1) ... [2020-10-28 21:27:20,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:20" (1/1) ... [2020-10-28 21:27:20,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:20" (1/1) ... [2020-10-28 21:27:21,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:20" (1/1) ... [2020-10-28 21:27:21,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:20" (1/1) ... [2020-10-28 21:27:21,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:20" (1/1) ... [2020-10-28 21:27:21,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 21:27:21,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 21:27:21,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 21:27:21,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 21:27:21,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:20" (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 21:27:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 21:27:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 21:27:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-28 21:27:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2020-10-28 21:27:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 21:27:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 21:27:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 21:27:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2020-10-28 21:27:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2020-10-28 21:27:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_cur_bytes [2020-10-28 21:27:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2020-10-28 21:27:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2020-10-28 21:27:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_bytes [2020-10-28 21:27:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2020-10-28 21:27:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_sectors [2020-10-28 21:27:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2020-10-28 21:27:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_tq_int [2020-10-28 21:27:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_init_units [2020-10-28 21:27:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_open [2020-10-28 21:27:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2020-10-28 21:27:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2020-10-28 21:27:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_release [2020-10-28 21:27:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2020-10-28 21:27:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2020-10-28 21:27:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2020-10-28 21:27:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2020-10-28 21:27:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2020-10-28 21:27:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2020-10-28 21:27:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2020-10-28 21:27:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2020-10-28 21:27:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2020-10-28 21:27:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2020-10-28 21:27:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_eject [2020-10-28 21:27:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2020-10-28 21:27:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2020-10-28 21:27:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2020-10-28 21:27:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2020-10-28 21:27:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2020-10-28 21:27:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_get_capacity [2020-10-28 21:27:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2020-10-28 21:27:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2020-10-28 21:27:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_detect [2020-10-28 21:27:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_start [2020-10-28 21:27:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ready [2020-10-28 21:27:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_end_request [2020-10-28 21:27:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_request [2020-10-28 21:27:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_next_buf [2020-10-28 21:27:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2020-10-28 21:27:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_read [2020-10-28 21:27:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_read_start [2020-10-28 21:27:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_read_drq [2020-10-28 21:27:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_write [2020-10-28 21:27:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_write_start [2020-10-28 21:27:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_write_done [2020-10-28 21:27:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_init [2020-10-28 21:27:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_exit [2020-10-28 21:27:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 21:27:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-28 21:27:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-28 21:27:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-28 21:27:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2020-10-28 21:27:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-10-28 21:27:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2020-10-28 21:27:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-28 21:27:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-28 21:27:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-28 21:27:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-28 21:27:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-28 21:27:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2020-10-28 21:27:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-28 21:27:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2020-10-28 21:27:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 21:27:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 21:27:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 21:27:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 21:27:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-28 21:27:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-28 21:27:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-28 21:27:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 21:27:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-28 21:27:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-28 21:27:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 21:27:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 21:27:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 21:27:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 21:27:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 21:27:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 21:27:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 21:27:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pf_mutex [2020-10-28 21:27:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pf_mutex [2020-10-28 21:27:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2020-10-28 21:27:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pf_mutex [2020-10-28 21:27:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pf_mutex [2020-10-28 21:27:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pf_mutex [2020-10-28 21:27:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2020-10-28 21:27:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 21:27:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 21:27:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_cur [2020-10-28 21:27:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-28 21:27:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 21:27:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 21:27:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-28 21:27:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-28 21:27:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 21:27:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2020-10-28 21:27:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-28 21:27:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2020-10-28 21:27:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-28 21:27:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 21:27:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 21:27:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 21:27:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2020-10-28 21:27:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2020-10-28 21:27:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2020-10-28 21:27:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2020-10-28 21:27:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2020-10-28 21:27:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2020-10-28 21:27:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2020-10-28 21:27:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2020-10-28 21:27:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2020-10-28 21:27:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 21:27:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-28 21:27:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-28 21:27:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2020-10-28 21:27:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-28 21:27:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-28 21:27:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 21:27:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-28 21:27:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 21:27:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 21:27:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 21:27:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 21:27:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 21:27:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 21:27:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 21:27:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 21:27:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-28 21:27:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 21:27:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2020-10-28 21:27:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 21:27:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-28 21:27:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2020-10-28 21:27:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-28 21:27:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-28 21:27:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-28 21:27:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-28 21:27:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2020-10-28 21:27:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 21:27:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-28 21:27:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-28 21:27:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-10-28 21:27:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-28 21:27:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-28 21:27:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2020-10-28 21:27:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-28 21:27:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-28 21:27:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 21:27:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 21:27:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 21:27:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2020-10-28 21:27:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2020-10-28 21:27:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 21:27:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 21:27:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 21:27:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 21:27:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 21:27:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-10-28 21:27:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2020-10-28 21:27:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-28 21:27:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-28 21:27:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-28 21:27:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-28 21:27:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-28 21:27:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-28 21:27:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2020-10-28 21:27:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 21:27:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-28 21:27:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 21:27:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-28 21:27:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-28 21:27:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure bio_cur_bytes [2020-10-28 21:27:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 21:27:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2020-10-28 21:27:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2020-10-28 21:27:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_bytes [2020-10-28 21:27:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2020-10-28 21:27:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_sectors [2020-10-28 21:27:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2020-10-28 21:27:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_cur [2020-10-28 21:27:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-28 21:27:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-28 21:27:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2020-10-28 21:27:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2020-10-28 21:27:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2020-10-28 21:27:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2020-10-28 21:27:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2020-10-28 21:27:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2020-10-28 21:27:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2020-10-28 21:27:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2020-10-28 21:27:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2020-10-28 21:27:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2020-10-28 21:27:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ps_tq_int [2020-10-28 21:27:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2020-10-28 21:27:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-28 21:27:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2020-10-28 21:27:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure pf_open [2020-10-28 21:27:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_request [2020-10-28 21:27:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2020-10-28 21:27:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2020-10-28 21:27:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pf_release [2020-10-28 21:27:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pf_detect [2020-10-28 21:27:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_read [2020-10-28 21:27:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_read_start [2020-10-28 21:27:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_write [2020-10-28 21:27:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_write_start [2020-10-28 21:27:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_read_drq [2020-10-28 21:27:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_write_done [2020-10-28 21:27:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2020-10-28 21:27:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2020-10-28 21:27:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pf_eject [2020-10-28 21:27:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2020-10-28 21:27:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 21:27:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pf_init_units [2020-10-28 21:27:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 21:27:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-28 21:27:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 21:27:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2020-10-28 21:27:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2020-10-28 21:27:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2020-10-28 21:27:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2020-10-28 21:27:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2020-10-28 21:27:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2020-10-28 21:27:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2020-10-28 21:27:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 21:27:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2020-10-28 21:27:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2020-10-28 21:27:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2020-10-28 21:27:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2020-10-28 21:27:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2020-10-28 21:27:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2020-10-28 21:27:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pf_get_capacity [2020-10-28 21:27:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2020-10-28 21:27:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pf_start [2020-10-28 21:27:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ready [2020-10-28 21:27:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pf_end_request [2020-10-28 21:27:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pf_next_buf [2020-10-28 21:27:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2020-10-28 21:27:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pf_init [2020-10-28 21:27:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pf_exit [2020-10-28 21:27:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 21:27:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 21:27:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 21:27:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 21:27:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 21:27:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 21:27:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 21:27:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 21:27:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-28 21:27:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-28 21:27:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 21:27:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-28 21:27:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 21:27:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 21:27:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 21:27:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 21:27:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pf_mutex [2020-10-28 21:27:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pf_mutex [2020-10-28 21:27:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pf_mutex [2020-10-28 21:27:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pf_mutex [2020-10-28 21:27:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pf_mutex [2020-10-28 21:27:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 21:27:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 21:27:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 21:27:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 21:27:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 21:27:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 21:27:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 21:27:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 21:27:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 21:27:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 21:27:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 21:27:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 21:27:29,842 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 21:27:29,843 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 21:27:29,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:27:29 BoogieIcfgContainer [2020-10-28 21:27:29,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 21:27:29,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 21:27:29,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 21:27:29,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 21:27:29,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:27:18" (1/3) ... [2020-10-28 21:27:29,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9d8b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:27:29, skipping insertion in model container [2020-10-28 21:27:29,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:27:20" (2/3) ... [2020-10-28 21:27:29,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9d8b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:27:29, skipping insertion in model container [2020-10-28 21:27:29,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:27:29" (3/3) ... [2020-10-28 21:27:29,862 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2020-10-28 21:27:29,880 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 21:27:29,888 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 21:27:29,904 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 21:27:29,975 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 21:27:29,975 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 21:27:29,975 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 21:27:29,975 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 21:27:29,975 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 21:27:29,975 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 21:27:29,976 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 21:27:29,976 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 21:27:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states. [2020-10-28 21:27:30,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-28 21:27:30,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:27:30,051 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 21:27:30,052 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:27:30,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:27:30,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1990764248, now seen corresponding path program 1 times [2020-10-28 21:27:30,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:27:30,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149114260] [2020-10-28 21:27:30,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:27:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:27:30,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:27:31,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:27:33,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:27:35,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:27:35,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 21:27:35,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:27:35,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5173 [2020-10-28 21:27:35,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:27:35,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:27:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:27:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 21:27:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 21:27:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 21:27:38,084 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-28 21:27:38,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:27:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:27:38,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:27:38,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:27:38,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:27:38,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:27:38,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-28 21:27:38,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:27:38,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:27:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:27:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:27:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:27:38,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:27:38,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:27:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:27:38,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:27:38,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:27:38,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:27:38,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:27:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:27:38,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:27:38,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:27:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:27:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:27:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:27:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:27:38,430 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 21:27:38,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149114260] [2020-10-28 21:27:38,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:27:38,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:27:38,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237851922] [2020-10-28 21:27:38,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:27:38,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:27:38,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:27:38,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:27:38,458 INFO L87 Difference]: Start difference. First operand 979 states. Second operand 5 states. [2020-10-28 21:27:41,985 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-28 21:28:06,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:28:06,541 INFO L93 Difference]: Finished difference Result 1712 states and 2361 transitions. [2020-10-28 21:28:06,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:28:06,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-28 21:28:06,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:28:06,586 INFO L225 Difference]: With dead ends: 1712 [2020-10-28 21:28:06,587 INFO L226 Difference]: Without dead ends: 1107 [2020-10-28 21:28:06,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:28:06,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2020-10-28 21:28:07,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1017. [2020-10-28 21:28:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1017 states. [2020-10-28 21:28:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1337 transitions. [2020-10-28 21:28:07,090 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1337 transitions. Word has length 30 [2020-10-28 21:28:07,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:28:07,090 INFO L481 AbstractCegarLoop]: Abstraction has 1017 states and 1337 transitions. [2020-10-28 21:28:07,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:28:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1337 transitions. [2020-10-28 21:28:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-28 21:28:07,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:28:07,094 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 21:28:07,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 21:28:07,094 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:28:07,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:28:07,095 INFO L82 PathProgramCache]: Analyzing trace with hash -706957180, now seen corresponding path program 1 times [2020-10-28 21:28:07,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:28:07,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051569713] [2020-10-28 21:28:07,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:28:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:07,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:08,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:28:08,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 21:28:08,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:28:08,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1264 [2020-10-28 21:28:08,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:28:08,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:28:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:28:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:28:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 21:28:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:28:10,632 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-28 21:28:10,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:28:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:10,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:11,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:28:11,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:28:11,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:28:11,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-28 21:28:11,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:28:11,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:28:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:28:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:28:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:28:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:28:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:28:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:11,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:11,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:28:11,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:28:11,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:28:11,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:28:11,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:28:11,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:28:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:28:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:28:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:28:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:28:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 21:28:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:11,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:11,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:28:11,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:28:11,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:28:11,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:28:11,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:28:11,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:28:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:28:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 21:28:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:28:11,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:28:11,297 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 21:28:11,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051569713] [2020-10-28 21:28:11,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:28:11,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 21:28:11,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059654911] [2020-10-28 21:28:11,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 21:28:11,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:28:11,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 21:28:11,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:28:11,300 INFO L87 Difference]: Start difference. First operand 1017 states and 1337 transitions. Second operand 7 states. [2020-10-28 21:28:14,487 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-28 21:28:34,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:28:34,447 INFO L93 Difference]: Finished difference Result 2129 states and 2825 transitions. [2020-10-28 21:28:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:28:34,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-10-28 21:28:34,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:28:34,463 INFO L225 Difference]: With dead ends: 2129 [2020-10-28 21:28:34,463 INFO L226 Difference]: Without dead ends: 1123 [2020-10-28 21:28:34,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 21:28:34,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2020-10-28 21:28:34,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1017. [2020-10-28 21:28:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1017 states. [2020-10-28 21:28:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1335 transitions. [2020-10-28 21:28:34,832 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1335 transitions. Word has length 32 [2020-10-28 21:28:34,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:28:34,833 INFO L481 AbstractCegarLoop]: Abstraction has 1017 states and 1335 transitions. [2020-10-28 21:28:34,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 21:28:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1335 transitions. [2020-10-28 21:28:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-28 21:28:34,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:28:34,835 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:28:34,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 21:28:34,836 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:28:34,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:28:34,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1403491450, now seen corresponding path program 1 times [2020-10-28 21:28:34,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:28:34,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [689677921] [2020-10-28 21:28:34,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:28:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:34,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:35,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:35,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:38,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:28:38,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 21:28:38,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:28:38,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3364 [2020-10-28 21:28:38,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:28:38,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:28:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:28:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:28:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 21:28:38,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:28:40,461 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-28 21:28:40,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:28:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:40,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:40,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:28:40,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:28:40,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:28:40,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-28 21:28:40,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:28:40,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:28:40,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:28:40,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:28:40,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:28:40,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:28:40,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:28:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:40,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:40,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:28:40,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:28:40,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:28:40,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:28:40,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:28:40,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:28:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:28:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:28:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:28:40,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:28:40,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 21:28:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:40,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:40,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:40,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:28:40,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 21:28:40,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:28:40,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 21:28:40,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:28:40,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:28:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:28:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:28:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 21:28:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:28:40,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:28:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:40,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:40,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:28:40,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:28:40,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:28:40,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:28:40,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:28:40,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:28:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:28:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:28:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:28:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:28:40,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 21:28:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:40,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:40,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:28:40,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:28:40,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:28:40,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:28:40,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:28:40,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:28:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:28:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:28:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:28:40,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:28:40,811 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 21:28:40,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [689677921] [2020-10-28 21:28:40,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:28:40,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:28:40,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143420444] [2020-10-28 21:28:40,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:28:40,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:28:40,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:28:40,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:28:40,815 INFO L87 Difference]: Start difference. First operand 1017 states and 1335 transitions. Second operand 5 states. [2020-10-28 21:28:44,638 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-28 21:28:58,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:28:58,064 INFO L93 Difference]: Finished difference Result 1093 states and 1445 transitions. [2020-10-28 21:28:58,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 21:28:58,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-10-28 21:28:58,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:28:58,073 INFO L225 Difference]: With dead ends: 1093 [2020-10-28 21:28:58,073 INFO L226 Difference]: Without dead ends: 1088 [2020-10-28 21:28:58,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:28:58,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2020-10-28 21:28:58,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1016. [2020-10-28 21:28:58,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2020-10-28 21:28:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1333 transitions. [2020-10-28 21:28:58,429 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1333 transitions. Word has length 38 [2020-10-28 21:28:58,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:28:58,430 INFO L481 AbstractCegarLoop]: Abstraction has 1016 states and 1333 transitions. [2020-10-28 21:28:58,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:28:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1333 transitions. [2020-10-28 21:28:58,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-28 21:28:58,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:28:58,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:28:58,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 21:28:58,433 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:28:58,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:28:58,433 INFO L82 PathProgramCache]: Analyzing trace with hash -66803020, now seen corresponding path program 1 times [2020-10-28 21:28:58,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:28:58,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559217569] [2020-10-28 21:28:58,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:28:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:28:58,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:58,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:28:59,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:01,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:01,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 21:29:01,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:29:01,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3191 [2020-10-28 21:29:01,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:01,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:29:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:29:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 21:29:01,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:03,939 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-28 21:29:03,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:29:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:03,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:04,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:04,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:04,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:04,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-28 21:29:04,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:04,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:29:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:29:04,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:04,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:29:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:04,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:04,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:04,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:04,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:04,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:29:04,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:04,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:29:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:29:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:04,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 21:29:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:04,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:04,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:04,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:04,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 21:29:04,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:29:04,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 21:29:04,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:04,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:29:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 21:29:04,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:04,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:29:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:04,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:04,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:04,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:04,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:04,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:29:04,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:04,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:04,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:29:04,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:29:04,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:04,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 21:29:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:04,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:04,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:04,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:04,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:04,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:29:04,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:04,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:04,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:29:04,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:04,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:29:04,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:04,243 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 21:29:04,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559217569] [2020-10-28 21:29:04,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:29:04,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:29:04,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371243181] [2020-10-28 21:29:04,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:29:04,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:29:04,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:29:04,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:29:04,246 INFO L87 Difference]: Start difference. First operand 1016 states and 1333 transitions. Second operand 5 states. [2020-10-28 21:29:07,781 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-28 21:29:21,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:29:21,037 INFO L93 Difference]: Finished difference Result 1092 states and 1443 transitions. [2020-10-28 21:29:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 21:29:21,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-10-28 21:29:21,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:29:21,047 INFO L225 Difference]: With dead ends: 1092 [2020-10-28 21:29:21,047 INFO L226 Difference]: Without dead ends: 1087 [2020-10-28 21:29:21,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:29:21,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2020-10-28 21:29:21,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1015. [2020-10-28 21:29:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-10-28 21:29:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1331 transitions. [2020-10-28 21:29:21,388 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1331 transitions. Word has length 39 [2020-10-28 21:29:21,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:29:21,389 INFO L481 AbstractCegarLoop]: Abstraction has 1015 states and 1331 transitions. [2020-10-28 21:29:21,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:29:21,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1331 transitions. [2020-10-28 21:29:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-28 21:29:21,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:29:21,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:29:21,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 21:29:21,391 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:29:21,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:29:21,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1603385853, now seen corresponding path program 1 times [2020-10-28 21:29:21,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:29:21,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310946814] [2020-10-28 21:29:21,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:29:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:21,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:21,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:21,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:24,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:24,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 21:29:24,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:29:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2686 [2020-10-28 21:29:24,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:24,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:24,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:29:24,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:29:24,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 21:29:24,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:26,332 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-28 21:29:26,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:29:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:26,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:26,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:26,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:26,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:26,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-28 21:29:26,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:26,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:29:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:29:26,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:29:26,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:29:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:26,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:26,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:26,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:26,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:26,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 21:29:26,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:26,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:26,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:29:26,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:26,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:29:26,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:26,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 21:29:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:26,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:26,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:26,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:26,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 21:29:26,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:29:26,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 21:29:26,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:26,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:26,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:29:26,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 21:29:26,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:29:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:26,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:26,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:26,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:26,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:26,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:29:26,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:26,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:29:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:29:26,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:26,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 21:29:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:26,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:26,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:26,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:26,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:26,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:29:26,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:26,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:26,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:29:26,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:26,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:29:26,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:26,685 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 21:29:26,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310946814] [2020-10-28 21:29:26,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:29:26,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:29:26,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821858699] [2020-10-28 21:29:26,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:29:26,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:29:26,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:29:26,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:29:26,688 INFO L87 Difference]: Start difference. First operand 1015 states and 1331 transitions. Second operand 5 states. [2020-10-28 21:29:29,987 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-28 21:29:43,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:29:43,208 INFO L93 Difference]: Finished difference Result 1091 states and 1441 transitions. [2020-10-28 21:29:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 21:29:43,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-28 21:29:43,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:29:43,217 INFO L225 Difference]: With dead ends: 1091 [2020-10-28 21:29:43,217 INFO L226 Difference]: Without dead ends: 1086 [2020-10-28 21:29:43,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:29:43,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-10-28 21:29:43,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1014. [2020-10-28 21:29:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2020-10-28 21:29:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1329 transitions. [2020-10-28 21:29:43,587 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1329 transitions. Word has length 40 [2020-10-28 21:29:43,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:29:43,587 INFO L481 AbstractCegarLoop]: Abstraction has 1014 states and 1329 transitions. [2020-10-28 21:29:43,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:29:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1329 transitions. [2020-10-28 21:29:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-28 21:29:43,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:29:43,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:29:43,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 21:29:43,589 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:29:43,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:29:43,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1844310551, now seen corresponding path program 1 times [2020-10-28 21:29:43,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:29:43,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763563438] [2020-10-28 21:29:43,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:29:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:43,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:43,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:44,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:46,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:46,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 21:29:46,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:29:46,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2723 [2020-10-28 21:29:46,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:46,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:29:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:29:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 21:29:46,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:29:48,612 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-28 21:29:48,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:29:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:48,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:48,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:48,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:48,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:48,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-28 21:29:48,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:48,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:48,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:29:48,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:48,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:29:48,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:29:48,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:29:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:48,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:48,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:48,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:48,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:48,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:29:48,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:48,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:29:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:29:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:29:48,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 21:29:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:48,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:48,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:48,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:48,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 21:29:48,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:29:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 21:29:48,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:48,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:29:48,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:48,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 21:29:48,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:29:48,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:29:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:48,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:48,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:48,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:48,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:29:48,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:48,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:29:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:29:48,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:29:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 21:29:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:29:48,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:29:48,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:29:48,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:29:48,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:29:48,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:29:48,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:29:48,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:29:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:29:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:29:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:29:48,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:29:48,941 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 21:29:48,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763563438] [2020-10-28 21:29:48,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:29:48,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:29:48,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734645726] [2020-10-28 21:29:48,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:29:48,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:29:48,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:29:48,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:29:48,947 INFO L87 Difference]: Start difference. First operand 1014 states and 1329 transitions. Second operand 5 states. [2020-10-28 21:29:52,421 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-28 21:30:12,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:30:12,730 INFO L93 Difference]: Finished difference Result 1298 states and 1710 transitions. [2020-10-28 21:30:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:30:12,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-28 21:30:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:30:12,738 INFO L225 Difference]: With dead ends: 1298 [2020-10-28 21:30:12,738 INFO L226 Difference]: Without dead ends: 1240 [2020-10-28 21:30:12,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:30:12,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2020-10-28 21:30:13,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1158. [2020-10-28 21:30:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2020-10-28 21:30:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1515 transitions. [2020-10-28 21:30:13,228 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1515 transitions. Word has length 41 [2020-10-28 21:30:13,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:30:13,228 INFO L481 AbstractCegarLoop]: Abstraction has 1158 states and 1515 transitions. [2020-10-28 21:30:13,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:30:13,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1515 transitions. [2020-10-28 21:30:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-28 21:30:13,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:30:13,235 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:30:13,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 21:30:13,235 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:30:13,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:30:13,236 INFO L82 PathProgramCache]: Analyzing trace with hash 288826470, now seen corresponding path program 1 times [2020-10-28 21:30:13,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:30:13,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725010666] [2020-10-28 21:30:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:30:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:13,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:13,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:13,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:13,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:13,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:14,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:14,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:18,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:18,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 21:30:18,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 21:30:18,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5080 [2020-10-28 21:30:18,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:18,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:30:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 21:30:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 21:30:18,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:20,560 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-28 21:30:20,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:30:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:20,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:20,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:20,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:30:20,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:30:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-28 21:30:20,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:20,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:20,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:30:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:20,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:20,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:20,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:30:20,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:30:20,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:30:20,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:20,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:20,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 21:30:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:20,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:20,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:20,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:20,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:20,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:20,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:21,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:21,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 21:30:21,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 21:30:21,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-28 21:30:21,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:21,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:21,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:21,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:30:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:21,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:21,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:21,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:21,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:30:21,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:30:21,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:30:21,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:21,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:21,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:21,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 21:30:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:21,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:21,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:21,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:21,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:21,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:30:21,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:30:21,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 21:30:21,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:21,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:21,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:21,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 21:30:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:21,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:21,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:21,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 21:30:21,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:30:21,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:30:21,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:21,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:21,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 21:30:21,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:21,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:30:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:21,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:21,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:21,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 21:30:21,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:30:21,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:30:21,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:21,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:21,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:21,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 21:30:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:21,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:21,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:21,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:30:21,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:30:21,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:30:21,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:21,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:21,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:21,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:30:21,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725010666] [2020-10-28 21:30:21,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:30:21,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 21:30:21,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438600415] [2020-10-28 21:30:21,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 21:30:21,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:30:21,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 21:30:21,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-28 21:30:21,304 INFO L87 Difference]: Start difference. First operand 1158 states and 1515 transitions. Second operand 9 states. [2020-10-28 21:30:24,395 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-28 21:30:45,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:30:45,401 INFO L93 Difference]: Finished difference Result 3229 states and 4295 transitions. [2020-10-28 21:30:45,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 21:30:45,402 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-10-28 21:30:45,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:30:45,413 INFO L225 Difference]: With dead ends: 3229 [2020-10-28 21:30:45,413 INFO L226 Difference]: Without dead ends: 2082 [2020-10-28 21:30:45,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 21:30:45,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2020-10-28 21:30:46,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 1752. [2020-10-28 21:30:46,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1752 states. [2020-10-28 21:30:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2284 transitions. [2020-10-28 21:30:46,188 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2284 transitions. Word has length 75 [2020-10-28 21:30:46,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:30:46,188 INFO L481 AbstractCegarLoop]: Abstraction has 1752 states and 2284 transitions. [2020-10-28 21:30:46,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 21:30:46,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2284 transitions. [2020-10-28 21:30:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 21:30:46,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:30:46,194 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:30:46,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 21:30:46,194 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:30:46,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:30:46,195 INFO L82 PathProgramCache]: Analyzing trace with hash 454360819, now seen corresponding path program 1 times [2020-10-28 21:30:46,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:30:46,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154950888] [2020-10-28 21:30:46,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:30:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:46,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:46,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:46,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:46,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:47,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:48,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:51,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:51,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-28 21:30:51,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 21:30:51,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5101 [2020-10-28 21:30:51,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:51,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:51,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:30:51,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 21:30:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:30:51,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:53,625 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-28 21:30:53,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:30:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:53,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:53,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:53,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:30:53,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:30:53,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-28 21:30:53,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:53,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:53,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:53,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:53,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:53,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:53,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:30:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:53,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:53,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:53,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:30:53,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:30:53,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:30:53,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:53,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:53,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:53,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 21:30:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:53,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:53,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:53,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:53,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:53,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:54,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 21:30:54,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 21:30:54,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-28 21:30:54,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:54,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:30:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 21:30:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 21:30:54,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:54,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:30:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:54,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:54,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:30:54,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:30:54,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 21:30:54,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:54,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:54,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:30:54,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 21:30:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:30:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:54,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 21:30:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:54,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:54,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:30:54,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:30:54,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 21:30:54,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:54,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:30:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 21:30:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 21:30:54,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:54,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 21:30:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:54,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:54,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 21:30:54,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:30:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:30:54,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:54,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 21:30:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:54,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 21:30:54,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:30:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:54,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:54,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 21:30:54,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:30:54,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:30:54,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:54,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:54,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:54,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:54,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:54,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:54,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 21:30:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:54,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:30:54,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:30:54,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:30:54,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:30:54,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:30:54,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:30:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:30:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:30:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:30:54,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:30:54,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 21:30:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:30:54,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:54,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:55,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:30:55,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking...