/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 06:25:45,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 06:25:45,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 06:25:45,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 06:25:45,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 06:25:45,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 06:25:45,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 06:25:45,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 06:25:45,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 06:25:45,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 06:25:45,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 06:25:45,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 06:25:45,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 06:25:45,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 06:25:45,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 06:25:45,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 06:25:45,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 06:25:45,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 06:25:45,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 06:25:45,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 06:25:45,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 06:25:45,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 06:25:45,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 06:25:45,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 06:25:45,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 06:25:45,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 06:25:45,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 06:25:45,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 06:25:45,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 06:25:45,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 06:25:45,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 06:25:45,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 06:25:45,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 06:25:45,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 06:25:45,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 06:25:45,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 06:25:45,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 06:25:45,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 06:25:45,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 06:25:45,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 06:25:45,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 06:25:45,142 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 [2020-10-15 06:25:45,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 06:25:45,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 06:25:45,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 06:25:45,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 06:25:45,185 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 06:25:45,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 06:25:45,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 06:25:45,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 06:25:45,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 06:25:45,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 06:25:45,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 06:25:45,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 06:25:45,188 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 06:25:45,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 06:25:45,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 06:25:45,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 06:25:45,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 06:25:45,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 06:25:45,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:25:45,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 06:25:45,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 06:25:45,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 06:25:45,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 06:25:45,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 06:25:45,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 06:25:45,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 06:25:45,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 06:25:45,191 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 06:25:45,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 06:25:45,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 06:25:45,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 06:25:45,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 06:25:45,516 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 06:25:45,516 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2020-10-15 06:25:45,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e1b0cf06/5ce1af46db004c51861730d044a745a6/FLAG0533a3b27 [2020-10-15 06:25:46,299 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 06:25:46,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2020-10-15 06:25:46,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e1b0cf06/5ce1af46db004c51861730d044a745a6/FLAG0533a3b27 [2020-10-15 06:25:46,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e1b0cf06/5ce1af46db004c51861730d044a745a6 [2020-10-15 06:25:46,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 06:25:46,458 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 06:25:46,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 06:25:46,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 06:25:46,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 06:25:46,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:25:46" (1/1) ... [2020-10-15 06:25:46,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283a534f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:46, skipping insertion in model container [2020-10-15 06:25:46,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:25:46" (1/1) ... [2020-10-15 06:25:46,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 06:25:46,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 06:25:48,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:25:48,370 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 06:25:48,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:25:48,959 INFO L208 MainTranslator]: Completed translation [2020-10-15 06:25:48,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:48 WrapperNode [2020-10-15 06:25:48,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 06:25:48,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 06:25:48,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 06:25:48,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 06:25:48,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:48" (1/1) ... [2020-10-15 06:25:48,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:48" (1/1) ... [2020-10-15 06:25:49,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:48" (1/1) ... [2020-10-15 06:25:49,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:48" (1/1) ... [2020-10-15 06:25:49,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:48" (1/1) ... [2020-10-15 06:25:49,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:48" (1/1) ... [2020-10-15 06:25:49,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:48" (1/1) ... [2020-10-15 06:25:49,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 06:25:49,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 06:25:49,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 06:25:49,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 06:25:49,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:25:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 06:25:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 06:25:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-15 06:25:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2020-10-15 06:25:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 06:25:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-15 06:25:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_cur_bytes [2020-10-15 06:25:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2020-10-15 06:25:49,380 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_bytes [2020-10-15 06:25:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_sectors [2020-10-15 06:25:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2020-10-15 06:25:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_tq_int [2020-10-15 06:25:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_open [2020-10-15 06:25:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_release [2020-10-15 06:25:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2020-10-15 06:25:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2020-10-15 06:25:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_init_units [2020-10-15 06:25:49,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_open [2020-10-15 06:25:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_release [2020-10-15 06:25:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2020-10-15 06:25:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2020-10-15 06:25:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2020-10-15 06:25:49,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2020-10-15 06:25:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2020-10-15 06:25:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2020-10-15 06:25:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_req_sense [2020-10-15 06:25:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2020-10-15 06:25:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2020-10-15 06:25:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2020-10-15 06:25:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2020-10-15 06:25:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2020-10-15 06:25:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2020-10-15 06:25:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2020-10-15 06:25:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2020-10-15 06:25:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_ready_wait [2020-10-15 06:25:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2020-10-15 06:25:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2020-10-15 06:25:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2020-10-15 06:25:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe_capabilities [2020-10-15 06:25:49,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_detect [2020-10-15 06:25:49,395 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2020-10-15 06:25:49,395 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2020-10-15 06:25:49,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_ready [2020-10-15 06:25:49,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_transfer [2020-10-15 06:25:49,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_start [2020-10-15 06:25:49,396 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2020-10-15 06:25:49,396 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read_drq [2020-10-15 06:25:49,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2020-10-15 06:25:49,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2020-10-15 06:25:49,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_init [2020-10-15 06:25:49,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_exit [2020-10-15 06:25:49,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 06:25:49,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-15 06:25:49,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-15 06:25:49,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-15 06:25:49,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2020-10-15 06:25:49,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-10-15 06:25:49,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2020-10-15 06:25:49,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-15 06:25:49,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-15 06:25:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-15 06:25:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-15 06:25:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-15 06:25:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2020-10-15 06:25:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-15 06:25:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 06:25:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 06:25:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 06:25:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-15 06:25:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-15 06:25:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-15 06:25:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-15 06:25:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-15 06:25:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-15 06:25:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-15 06:25:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-15 06:25:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-15 06:25:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-15 06:25:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-15 06:25:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-15 06:25:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-15 06:25:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-15 06:25:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pcd_mutex [2020-10-15 06:25:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pcd_mutex [2020-10-15 06:25:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2020-10-15 06:25:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pcd_mutex [2020-10-15 06:25:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pcd_mutex [2020-10-15 06:25:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pcd_mutex [2020-10-15 06:25:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2020-10-15 06:25:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 06:25:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 06:25:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2020-10-15 06:25:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_cur [2020-10-15 06:25:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-15 06:25:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-15 06:25:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-15 06:25:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-15 06:25:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-15 06:25:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 06:25:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2020-10-15 06:25:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-15 06:25:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_check_events [2020-10-15 06:25:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_ioctl [2020-10-15 06:25:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_open [2020-10-15 06:25:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_release [2020-10-15 06:25:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-15 06:25:49,410 INFO L138 BoogieDeclarations]: Found implementation of procedure delayed_work_timer_fn [2020-10-15 06:25:49,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-15 06:25:49,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-15 06:25:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 06:25:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2020-10-15 06:25:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2020-10-15 06:25:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2020-10-15 06:25:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2020-10-15 06:25:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2020-10-15 06:25:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2020-10-15 06:25:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2020-10-15 06:25:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2020-10-15 06:25:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2020-10-15 06:25:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 06:25:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-15 06:25:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-15 06:25:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure register_cdrom [2020-10-15 06:25:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2020-10-15 06:25:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-15 06:25:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-15 06:25:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_cdrom [2020-10-15 06:25:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 06:25:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 06:25:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-15 06:25:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 06:25:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 06:25:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-15 06:25:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 06:25:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-15 06:25:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-15 06:25:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2020-10-15 06:25:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 06:25:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-15 06:25:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2020-10-15 06:25:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-15 06:25:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-15 06:25:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-15 06:25:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-15 06:25:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-15 06:25:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-15 06:25:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-15 06:25:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-10-15 06:25:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-15 06:25:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-15 06:25:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2020-10-15 06:25:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-15 06:25:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-15 06:25:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-15 06:25:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-15 06:25:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-15 06:25:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2020-10-15 06:25:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2020-10-15 06:25:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 06:25:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 06:25:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-15 06:25:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-15 06:25:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 06:25:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-15 06:25:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-10-15 06:25:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2020-10-15 06:25:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-15 06:25:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-15 06:25:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-15 06:25:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_open [2020-10-15 06:25:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_release [2020-10-15 06:25:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_ioctl [2020-10-15 06:25:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_check_events [2020-10-15 06:25:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure register_cdrom [2020-10-15 06:25:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_cdrom [2020-10-15 06:25:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-15 06:25:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-15 06:25:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-15 06:25:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-15 06:25:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-15 06:25:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure bio_cur_bytes [2020-10-15 06:25:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 06:25:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 06:25:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2020-10-15 06:25:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_bytes [2020-10-15 06:25:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_sectors [2020-10-15 06:25:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2020-10-15 06:25:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2020-10-15 06:25:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_cur [2020-10-15 06:25:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-15 06:25:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-15 06:25:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2020-10-15 06:25:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2020-10-15 06:25:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2020-10-15 06:25:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2020-10-15 06:25:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2020-10-15 06:25:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2020-10-15 06:25:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2020-10-15 06:25:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2020-10-15 06:25:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2020-10-15 06:25:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure ps_tq_int [2020-10-15 06:25:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2020-10-15 06:25:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-15 06:25:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2020-10-15 06:25:49,438 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_open [2020-10-15 06:25:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_release [2020-10-15 06:25:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2020-10-15 06:25:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2020-10-15 06:25:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2020-10-15 06:25:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2020-10-15 06:25:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2020-10-15 06:25:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2020-10-15 06:25:49,439 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2020-10-15 06:25:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2020-10-15 06:25:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_detect [2020-10-15 06:25:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe_capabilities [2020-10-15 06:25:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read_drq [2020-10-15 06:25:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2020-10-15 06:25:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2020-10-15 06:25:49,440 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_open [2020-10-15 06:25:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_release [2020-10-15 06:25:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2020-10-15 06:25:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2020-10-15 06:25:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 06:25:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_init_units [2020-10-15 06:25:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 06:25:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-15 06:25:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 06:25:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 06:25:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2020-10-15 06:25:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2020-10-15 06:25:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2020-10-15 06:25:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2020-10-15 06:25:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2020-10-15 06:25:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2020-10-15 06:25:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_req_sense [2020-10-15 06:25:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 06:25:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2020-10-15 06:25:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2020-10-15 06:25:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2020-10-15 06:25:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_ready_wait [2020-10-15 06:25:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2020-10-15 06:25:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 06:25:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2020-10-15 06:25:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2020-10-15 06:25:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_ready [2020-10-15 06:25:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_transfer [2020-10-15 06:25:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_start [2020-10-15 06:25:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_init [2020-10-15 06:25:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_exit [2020-10-15 06:25:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 06:25:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 06:25:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 06:25:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 06:25:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 06:25:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 06:25:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-15 06:25:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-15 06:25:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-15 06:25:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-15 06:25:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-15 06:25:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-15 06:25:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-15 06:25:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-15 06:25:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-15 06:25:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-15 06:25:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pcd_mutex [2020-10-15 06:25:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pcd_mutex [2020-10-15 06:25:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pcd_mutex [2020-10-15 06:25:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pcd_mutex [2020-10-15 06:25:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pcd_mutex [2020-10-15 06:25:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 06:25:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 06:25:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 06:25:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 06:25:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 06:25:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 06:25:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 06:25:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 06:25:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 06:25:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 06:25:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 06:25:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 06:25:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 06:25:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 06:25:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 06:25:56,836 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 06:25:56,836 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-15 06:25:56,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:25:56 BoogieIcfgContainer [2020-10-15 06:25:56,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 06:25:56,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 06:25:56,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 06:25:56,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 06:25:56,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:25:46" (1/3) ... [2020-10-15 06:25:56,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da41a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:25:56, skipping insertion in model container [2020-10-15 06:25:56,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:25:48" (2/3) ... [2020-10-15 06:25:56,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da41a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:25:56, skipping insertion in model container [2020-10-15 06:25:56,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:25:56" (3/3) ... [2020-10-15 06:25:56,859 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2020-10-15 06:25:56,869 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 06:25:56,878 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 06:25:56,890 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 06:25:56,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 06:25:56,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 06:25:56,918 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 06:25:56,918 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 06:25:56,918 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 06:25:56,918 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 06:25:56,919 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 06:25:56,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 06:25:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states. [2020-10-15 06:25:56,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 06:25:56,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:25:56,970 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] [2020-10-15 06:25:56,970 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:25:56,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:25:56,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1104726697, now seen corresponding path program 1 times [2020-10-15 06:25:56,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:25:56,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851274769] [2020-10-15 06:25:56,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:25:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:25:57,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:25:57,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:01,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:02,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:02,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 06:26:02,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:26:02,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5146 [2020-10-15 06:26:02,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:02,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:02,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 06:26:02,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:26:02,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 06:26:02,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 06:26:04,837 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-15 06:26:04,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:26:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:04,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:05,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:05,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:05,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:05,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-15 06:26:05,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:05,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:05,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:26:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:26:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:05,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:26:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:05,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:05,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:05,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:05,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:05,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 06:26:05,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:05,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:26:05,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:26:05,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851274769] [2020-10-15 06:26:05,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:26:05,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:26:05,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887019971] [2020-10-15 06:26:05,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:26:05,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:26:05,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:26:05,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:26:05,241 INFO L87 Difference]: Start difference. First operand 1031 states. Second operand 5 states. [2020-10-15 06:26:09,081 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-15 06:26:27,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:26:27,167 INFO L93 Difference]: Finished difference Result 1870 states and 2587 transitions. [2020-10-15 06:26:27,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 06:26:27,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-15 06:26:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:26:27,197 INFO L225 Difference]: With dead ends: 1870 [2020-10-15 06:26:27,197 INFO L226 Difference]: Without dead ends: 947 [2020-10-15 06:26:27,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:26:27,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2020-10-15 06:26:27,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 899. [2020-10-15 06:26:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2020-10-15 06:26:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1193 transitions. [2020-10-15 06:26:27,573 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1193 transitions. Word has length 28 [2020-10-15 06:26:27,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:26:27,573 INFO L479 AbstractCegarLoop]: Abstraction has 899 states and 1193 transitions. [2020-10-15 06:26:27,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:26:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1193 transitions. [2020-10-15 06:26:27,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-15 06:26:27,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:26:27,586 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] [2020-10-15 06:26:27,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 06:26:27,586 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:26:27,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:26:27,587 INFO L82 PathProgramCache]: Analyzing trace with hash -807345065, now seen corresponding path program 1 times [2020-10-15 06:26:27,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:26:27,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073092962] [2020-10-15 06:26:27,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:26:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:27,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:27,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:28,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:28,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:30,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:30,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-15 06:26:30,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:26:30,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3104 [2020-10-15 06:26:30,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:30,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:30,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:30,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:26:30,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 06:26:30,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:32,507 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-15 06:26:32,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:26:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:32,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:32,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:32,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:32,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:32,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-15 06:26:32,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:32,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:26:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:26:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:32,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:26:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:32,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:32,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:32,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:32,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:32,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:26:32,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:32,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:26:32,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:33,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 06:26:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:33,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:33,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:33,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:26:33,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:33,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:26:33,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:33,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 06:26:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:26:33,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073092962] [2020-10-15 06:26:33,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:26:33,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:26:33,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130168191] [2020-10-15 06:26:33,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:26:33,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:26:33,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:26:33,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:26:33,038 INFO L87 Difference]: Start difference. First operand 899 states and 1193 transitions. Second operand 6 states. [2020-10-15 06:26:37,251 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-15 06:26:59,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:26:59,369 INFO L93 Difference]: Finished difference Result 1109 states and 1564 transitions. [2020-10-15 06:26:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 06:26:59,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-10-15 06:26:59,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:26:59,381 INFO L225 Difference]: With dead ends: 1109 [2020-10-15 06:26:59,381 INFO L226 Difference]: Without dead ends: 1106 [2020-10-15 06:26:59,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-15 06:26:59,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2020-10-15 06:26:59,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 898. [2020-10-15 06:26:59,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2020-10-15 06:26:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1191 transitions. [2020-10-15 06:26:59,626 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1191 transitions. Word has length 30 [2020-10-15 06:26:59,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:26:59,626 INFO L479 AbstractCegarLoop]: Abstraction has 898 states and 1191 transitions. [2020-10-15 06:26:59,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:26:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1191 transitions. [2020-10-15 06:26:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-15 06:26:59,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:26:59,629 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] [2020-10-15 06:26:59,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 06:26:59,629 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:26:59,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:26:59,629 INFO L82 PathProgramCache]: Analyzing trace with hash 741592405, now seen corresponding path program 1 times [2020-10-15 06:26:59,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:26:59,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534338991] [2020-10-15 06:26:59,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:26:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:59,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:59,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:00,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:00,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:02,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:02,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 06:27:02,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:27:02,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2714 [2020-10-15 06:27:02,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:02,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:02,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:02,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:27:02,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 06:27:02,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:03,950 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-15 06:27:03,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:27:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:04,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:04,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:04,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:04,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:04,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-15 06:27:04,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:04,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:04,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:04,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:04,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:27:04,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:04,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:27:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:04,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:04,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:04,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:04,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:04,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:27:04,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:04,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:27:04,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:04,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 06:27:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:04,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:04,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:04,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:27:04,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:04,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:27:04,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:04,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 06:27:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:27:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:27:04,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534338991] [2020-10-15 06:27:04,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:27:04,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 06:27:04,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238829575] [2020-10-15 06:27:04,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 06:27:04,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:27:04,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 06:27:04,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:27:04,545 INFO L87 Difference]: Start difference. First operand 898 states and 1191 transitions. Second operand 7 states. [2020-10-15 06:27:07,705 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-15 06:27:35,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:27:35,908 INFO L93 Difference]: Finished difference Result 1988 states and 2735 transitions. [2020-10-15 06:27:35,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 06:27:35,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-10-15 06:27:35,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:27:35,918 INFO L225 Difference]: With dead ends: 1988 [2020-10-15 06:27:35,918 INFO L226 Difference]: Without dead ends: 1101 [2020-10-15 06:27:35,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-15 06:27:35,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2020-10-15 06:27:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 898. [2020-10-15 06:27:36,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2020-10-15 06:27:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1190 transitions. [2020-10-15 06:27:36,119 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1190 transitions. Word has length 31 [2020-10-15 06:27:36,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:27:36,119 INFO L479 AbstractCegarLoop]: Abstraction has 898 states and 1190 transitions. [2020-10-15 06:27:36,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 06:27:36,119 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1190 transitions. [2020-10-15 06:27:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-15 06:27:36,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:27:36,122 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] [2020-10-15 06:27:36,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 06:27:36,122 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:27:36,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:27:36,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1714820237, now seen corresponding path program 1 times [2020-10-15 06:27:36,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:27:36,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530024514] [2020-10-15 06:27:36,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:27:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:36,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:36,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:37,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:38,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:38,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 06:27:38,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:27:38,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2328 [2020-10-15 06:27:38,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:38,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:27:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 06:27:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:40,144 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-15 06:27:40,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:27:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:40,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:40,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:40,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:40,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:40,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-15 06:27:40,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:40,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:40,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:40,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:40,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:27:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:40,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:40,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:40,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:40,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:40,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:27:40,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:40,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:27:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:27:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:40,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:40,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:40,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:40,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 06:27:40,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:27:40,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 06:27:40,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:40,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 06:27:40,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:40,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 06:27:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:40,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:40,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:40,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:40,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:40,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:27:40,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:40,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:40,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:40,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:27:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:40,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:40,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:40,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:40,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:27:40,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:40,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:40,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:40,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:27:40,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530024514] [2020-10-15 06:27:40,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:27:40,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:27:40,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672042558] [2020-10-15 06:27:40,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:27:40,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:27:40,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:27:40,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:27:40,486 INFO L87 Difference]: Start difference. First operand 898 states and 1190 transitions. Second operand 5 states. [2020-10-15 06:27:45,728 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-15 06:28:02,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:28:02,306 INFO L93 Difference]: Finished difference Result 944 states and 1267 transitions. [2020-10-15 06:28:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 06:28:02,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-15 06:28:02,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:28:02,315 INFO L225 Difference]: With dead ends: 944 [2020-10-15 06:28:02,315 INFO L226 Difference]: Without dead ends: 941 [2020-10-15 06:28:02,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:28:02,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-15 06:28:02,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 897. [2020-10-15 06:28:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-10-15 06:28:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1188 transitions. [2020-10-15 06:28:02,578 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1188 transitions. Word has length 36 [2020-10-15 06:28:02,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:28:02,578 INFO L479 AbstractCegarLoop]: Abstraction has 897 states and 1188 transitions. [2020-10-15 06:28:02,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:28:02,579 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1188 transitions. [2020-10-15 06:28:02,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-15 06:28:02,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:28:02,580 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] [2020-10-15 06:28:02,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 06:28:02,581 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:28:02,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:28:02,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1619310306, now seen corresponding path program 1 times [2020-10-15 06:28:02,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:28:02,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123938518] [2020-10-15 06:28:02,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:28:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:02,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:03,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:04,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:04,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 06:28:04,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:28:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1583 [2020-10-15 06:28:04,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:04,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:28:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:28:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 06:28:04,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:28:05,954 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-15 06:28:05,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:28:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:05,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:06,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:06,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:28:06,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:28:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-15 06:28:06,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:06,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:28:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:28:06,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:28:06,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:28:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:06,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:06,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:06,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:28:06,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:28:06,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:28:06,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:06,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:06,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:28:06,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:06,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:28:06,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:28:06,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:28:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:06,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:06,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:06,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:06,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 06:28:06,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:28:06,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:28:06,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:06,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:28:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:06,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 06:28:06,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:28:06,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 06:28:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:06,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:06,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:06,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:28:06,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:28:06,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:28:06,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:06,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:28:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:28:06,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:28:06,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:28:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:06,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:06,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:06,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:28:06,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:28:06,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:28:06,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:06,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:06,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:28:06,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:06,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:28:06,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:28:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:28:06,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123938518] [2020-10-15 06:28:06,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:28:06,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:28:06,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772757439] [2020-10-15 06:28:06,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:28:06,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:28:06,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:28:06,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:28:06,189 INFO L87 Difference]: Start difference. First operand 897 states and 1188 transitions. Second operand 5 states. [2020-10-15 06:28:08,783 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-15 06:28:27,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:28:27,727 INFO L93 Difference]: Finished difference Result 943 states and 1265 transitions. [2020-10-15 06:28:27,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 06:28:27,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-15 06:28:27,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:28:27,738 INFO L225 Difference]: With dead ends: 943 [2020-10-15 06:28:27,738 INFO L226 Difference]: Without dead ends: 909 [2020-10-15 06:28:27,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:28:27,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-15 06:28:27,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 865. [2020-10-15 06:28:27,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2020-10-15 06:28:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1149 transitions. [2020-10-15 06:28:27,970 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1149 transitions. Word has length 37 [2020-10-15 06:28:27,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:28:27,970 INFO L479 AbstractCegarLoop]: Abstraction has 865 states and 1149 transitions. [2020-10-15 06:28:27,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:28:27,971 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1149 transitions. [2020-10-15 06:28:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-15 06:28:27,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:28:27,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:28:27,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 06:28:27,973 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:28:27,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:28:27,974 INFO L82 PathProgramCache]: Analyzing trace with hash 708685696, now seen corresponding path program 1 times [2020-10-15 06:28:27,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:28:27,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054044851] [2020-10-15 06:28:27,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:28:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:28,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:28,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:28,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:30,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:30,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 06:28:30,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:28:30,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2170 [2020-10-15 06:28:30,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:30,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:30,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:28:30,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 06:28:30,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 06:28:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:28:31,844 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-15 06:28:31,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:28:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:31,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:31,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:31,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:28:31,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:28:31,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-15 06:28:31,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:31,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:31,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:28:31,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:31,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:28:31,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:28:31,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:28:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:32,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:32,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:32,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:28:32,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:28:32,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:28:32,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:32,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:32,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:28:32,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:32,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:28:32,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:28:32,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 06:28:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:32,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:32,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:32,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 06:28:32,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:28:32,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:28:32,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:32,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:28:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:32,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:28:32,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:28:32,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:28:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:32,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:32,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:32,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 06:28:32,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:28:32,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:28:32,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:32,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:32,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:28:32,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:32,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:28:32,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:28:32,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 06:28:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:32,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:32,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:32,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:28:32,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:28:32,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:28:32,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:32,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:32,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:28:32,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:32,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:28:32,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:28:32,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 06:28:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:28:32,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:28:32,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:28:32,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:28:32,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:28:32,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:28:32,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:28:32,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:28:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:28:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:28:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:28:32,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:28:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:28:32,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054044851] [2020-10-15 06:28:32,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:28:32,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:28:32,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42838024] [2020-10-15 06:28:32,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:28:32,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:28:32,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:28:32,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:28:32,115 INFO L87 Difference]: Start difference. First operand 865 states and 1149 transitions. Second operand 6 states. [2020-10-15 06:28:41,360 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-15 06:28:55,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:28:55,156 INFO L93 Difference]: Finished difference Result 909 states and 1225 transitions. [2020-10-15 06:28:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 06:28:55,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2020-10-15 06:28:55,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:28:55,158 INFO L225 Difference]: With dead ends: 909 [2020-10-15 06:28:55,158 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 06:28:55,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:28:55,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 06:28:55,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 06:28:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 06:28:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 06:28:55,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2020-10-15 06:28:55,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:28:55,164 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 06:28:55,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:28:55,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 06:28:55,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 06:28:55,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 06:28:55,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 06:28:55,422 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2020-10-15 06:28:55,592 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2020-10-15 06:28:55,766 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2020-10-15 06:28:55,932 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2020-10-15 06:28:56,072 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2020-10-15 06:28:56,221 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2020-10-15 06:28:56,347 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2020-10-15 06:28:56,460 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2020-10-15 06:28:57,012 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2020-10-15 06:28:57,369 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2020-10-15 06:29:00,075 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:00,535 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:06,229 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:09,458 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:11,128 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:11,528 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:14,726 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:15,317 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:18,154 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:18,340 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:18,533 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:18,720 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:18,907 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:19,095 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:19,283 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:19,467 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:19,734 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:19,921 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:20,111 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:20,296 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:20,484 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:20,669 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:20,856 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:21,043 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 26 [2020-10-15 06:29:23,594 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:23,993 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:31,341 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:31,721 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 609 [2020-10-15 06:29:33,327 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 438 DAG size of output: 88 [2020-10-15 06:29:34,627 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 434 DAG size of output: 76 [2020-10-15 06:29:35,832 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 420 DAG size of output: 34 [2020-10-15 06:29:36,995 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 420 DAG size of output: 34 [2020-10-15 06:29:38,386 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 438 DAG size of output: 88