/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 [2020-10-14 11:49:22,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 11:49:22,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 11:49:22,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 11:49:22,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 11:49:22,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 11:49:22,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 11:49:22,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 11:49:22,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 11:49:22,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 11:49:22,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 11:49:22,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 11:49:22,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 11:49:22,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 11:49:22,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 11:49:22,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 11:49:22,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 11:49:22,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 11:49:22,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 11:49:22,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 11:49:22,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 11:49:22,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 11:49:22,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 11:49:22,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 11:49:22,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 11:49:22,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 11:49:22,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 11:49:22,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 11:49:22,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 11:49:22,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 11:49:22,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 11:49:22,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 11:49:22,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 11:49:22,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 11:49:22,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 11:49:22,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 11:49:22,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 11:49:22,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 11:49:22,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 11:49:22,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 11:49:22,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 11:49:22,381 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 [2020-10-14 11:49:22,419 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 11:49:22,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 11:49:22,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 11:49:22,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 11:49:22,422 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 11:49:22,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 11:49:22,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 11:49:22,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 11:49:22,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 11:49:22,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 11:49:22,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 11:49:22,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 11:49:22,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 11:49:22,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 11:49:22,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 11:49:22,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 11:49:22,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 11:49:22,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 11:49:22,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:49:22,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 11:49:22,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 11:49:22,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 11:49:22,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 11:49:22,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 11:49:22,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 11:49:22,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 11:49:22,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 11:49:22,427 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 11:49:22,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 11:49:22,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 11:49:22,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 11:49:22,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 11:49:22,756 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 11:49:22,756 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2020-10-14 11:49:22,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2da119be/bad391f3562044c1bfa0b5f529a23f89/FLAG4a5b4cf14 [2020-10-14 11:49:23,543 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 11:49:23,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2020-10-14 11:49:23,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2da119be/bad391f3562044c1bfa0b5f529a23f89/FLAG4a5b4cf14 [2020-10-14 11:49:23,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2da119be/bad391f3562044c1bfa0b5f529a23f89 [2020-10-14 11:49:23,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 11:49:23,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 11:49:23,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 11:49:23,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 11:49:23,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 11:49:23,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:49:23" (1/1) ... [2020-10-14 11:49:23,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383fe438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:23, skipping insertion in model container [2020-10-14 11:49:23,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:49:23" (1/1) ... [2020-10-14 11:49:23,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 11:49:23,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 11:49:25,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:49:25,522 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 11:49:25,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:49:26,046 INFO L208 MainTranslator]: Completed translation [2020-10-14 11:49:26,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:26 WrapperNode [2020-10-14 11:49:26,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 11:49:26,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 11:49:26,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 11:49:26,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 11:49:26,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:26" (1/1) ... [2020-10-14 11:49:26,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:26" (1/1) ... [2020-10-14 11:49:26,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:26" (1/1) ... [2020-10-14 11:49:26,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:26" (1/1) ... [2020-10-14 11:49:26,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:26" (1/1) ... [2020-10-14 11:49:26,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:26" (1/1) ... [2020-10-14 11:49:26,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:26" (1/1) ... [2020-10-14 11:49:26,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 11:49:26,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 11:49:26,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 11:49:26,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 11:49:26,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:26" (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 [2020-10-14 11:49:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 11:49:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 11:49:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-14 11:49:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2020-10-14 11:49:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 11:49:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 11:49:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_cur_bytes [2020-10-14 11:49:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2020-10-14 11:49:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_bytes [2020-10-14 11:49:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_sectors [2020-10-14 11:49:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2020-10-14 11:49:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_tq_int [2020-10-14 11:49:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_open [2020-10-14 11:49:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_release [2020-10-14 11:49:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2020-10-14 11:49:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2020-10-14 11:49:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_init_units [2020-10-14 11:49:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_open [2020-10-14 11:49:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_release [2020-10-14 11:49:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2020-10-14 11:49:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2020-10-14 11:49:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2020-10-14 11:49:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2020-10-14 11:49:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2020-10-14 11:49:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2020-10-14 11:49:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_req_sense [2020-10-14 11:49:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2020-10-14 11:49:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2020-10-14 11:49:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2020-10-14 11:49:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2020-10-14 11:49:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2020-10-14 11:49:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2020-10-14 11:49:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2020-10-14 11:49:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2020-10-14 11:49:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_ready_wait [2020-10-14 11:49:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2020-10-14 11:49:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2020-10-14 11:49:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2020-10-14 11:49:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe_capabilities [2020-10-14 11:49:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_detect [2020-10-14 11:49:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2020-10-14 11:49:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2020-10-14 11:49:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_ready [2020-10-14 11:49:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_transfer [2020-10-14 11:49:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_start [2020-10-14 11:49:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2020-10-14 11:49:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read_drq [2020-10-14 11:49:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2020-10-14 11:49:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2020-10-14 11:49:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_init [2020-10-14 11:49:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_exit [2020-10-14 11:49:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 11:49:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-14 11:49:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-14 11:49:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-14 11:49:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2020-10-14 11:49:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-10-14 11:49:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2020-10-14 11:49:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-14 11:49:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-14 11:49:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-14 11:49:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-14 11:49:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-14 11:49:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2020-10-14 11:49:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-14 11:49:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 11:49:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 11:49:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 11:49:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 11:49:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-14 11:49:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-14 11:49:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-14 11:49:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 11:49:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-14 11:49:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-14 11:49:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:49:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:49:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:49:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:49:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:49:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:49:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:49:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pcd_mutex [2020-10-14 11:49:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pcd_mutex [2020-10-14 11:49:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2020-10-14 11:49:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pcd_mutex [2020-10-14 11:49:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pcd_mutex [2020-10-14 11:49:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pcd_mutex [2020-10-14 11:49:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2020-10-14 11:49:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 11:49:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 11:49:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2020-10-14 11:49:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_cur [2020-10-14 11:49:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-14 11:49:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 11:49:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:49:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-14 11:49:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-14 11:49:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 11:49:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2020-10-14 11:49:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-14 11:49:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_check_events [2020-10-14 11:49:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_ioctl [2020-10-14 11:49:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_open [2020-10-14 11:49:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cdrom_release [2020-10-14 11:49:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-14 11:49:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure delayed_work_timer_fn [2020-10-14 11:49:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 11:49:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-14 11:49:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 11:49:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2020-10-14 11:49:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2020-10-14 11:49:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2020-10-14 11:49:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2020-10-14 11:49:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2020-10-14 11:49:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2020-10-14 11:49:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2020-10-14 11:49:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2020-10-14 11:49:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2020-10-14 11:49:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 11:49:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-14 11:49:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-14 11:49:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure register_cdrom [2020-10-14 11:49:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2020-10-14 11:49:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-14 11:49:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-14 11:49:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_cdrom [2020-10-14 11:49:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 11:49:26,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 11:49:26,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-14 11:49:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 11:49:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 11:49:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-14 11:49:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 11:49:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-14 11:49:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-14 11:49:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2020-10-14 11:49:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 11:49:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-14 11:49:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2020-10-14 11:49:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-14 11:49:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-14 11:49:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-14 11:49:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-14 11:49:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 11:49:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-14 11:49:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-14 11:49:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-10-14 11:49:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-14 11:49:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-14 11:49:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2020-10-14 11:49:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-14 11:49:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-14 11:49:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:49:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:49:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:49:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2020-10-14 11:49:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2020-10-14 11:49:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 11:49:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 11:49:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 11:49:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:49:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 11:49:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 11:49:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-10-14 11:49:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2020-10-14 11:49:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-14 11:49:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-14 11:49:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-14 11:49:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_open [2020-10-14 11:49:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_release [2020-10-14 11:49:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_ioctl [2020-10-14 11:49:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure cdrom_check_events [2020-10-14 11:49:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure register_cdrom [2020-10-14 11:49:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_cdrom [2020-10-14 11:49:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-14 11:49:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-14 11:49:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-14 11:49:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-14 11:49:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-14 11:49:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure bio_cur_bytes [2020-10-14 11:49:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 11:49:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 11:49:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2020-10-14 11:49:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_bytes [2020-10-14 11:49:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_sectors [2020-10-14 11:49:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2020-10-14 11:49:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2020-10-14 11:49:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_cur [2020-10-14 11:49:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-14 11:49:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-14 11:49:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2020-10-14 11:49:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2020-10-14 11:49:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2020-10-14 11:49:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2020-10-14 11:49:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2020-10-14 11:49:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2020-10-14 11:49:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2020-10-14 11:49:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2020-10-14 11:49:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2020-10-14 11:49:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure ps_tq_int [2020-10-14 11:49:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2020-10-14 11:49:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-14 11:49:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2020-10-14 11:49:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_open [2020-10-14 11:49:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_release [2020-10-14 11:49:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2020-10-14 11:49:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2020-10-14 11:49:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2020-10-14 11:49:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2020-10-14 11:49:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2020-10-14 11:49:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2020-10-14 11:49:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2020-10-14 11:49:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2020-10-14 11:49:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_detect [2020-10-14 11:49:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe_capabilities [2020-10-14 11:49:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read_drq [2020-10-14 11:49:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2020-10-14 11:49:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2020-10-14 11:49:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_open [2020-10-14 11:49:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_release [2020-10-14 11:49:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2020-10-14 11:49:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2020-10-14 11:49:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 11:49:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_init_units [2020-10-14 11:49:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 11:49:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-14 11:49:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 11:49:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 11:49:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2020-10-14 11:49:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2020-10-14 11:49:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2020-10-14 11:49:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2020-10-14 11:49:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2020-10-14 11:49:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2020-10-14 11:49:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_req_sense [2020-10-14 11:49:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 11:49:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2020-10-14 11:49:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2020-10-14 11:49:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2020-10-14 11:49:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_ready_wait [2020-10-14 11:49:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2020-10-14 11:49:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 11:49:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2020-10-14 11:49:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2020-10-14 11:49:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_ready [2020-10-14 11:49:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_transfer [2020-10-14 11:49:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_start [2020-10-14 11:49:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_init [2020-10-14 11:49:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_exit [2020-10-14 11:49:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 11:49:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 11:49:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 11:49:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 11:49:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 11:49:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 11:49:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-14 11:49:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-14 11:49:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-14 11:49:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-14 11:49:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-14 11:49:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-14 11:49:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:49:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:49:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:49:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:49:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pcd_mutex [2020-10-14 11:49:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pcd_mutex [2020-10-14 11:49:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pcd_mutex [2020-10-14 11:49:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pcd_mutex [2020-10-14 11:49:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pcd_mutex [2020-10-14 11:49:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 11:49:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 11:49:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 11:49:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 11:49:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 11:49:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 11:49:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 11:49:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 11:49:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 11:49:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 11:49:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 11:49:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 11:49:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 11:49:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 11:49:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 11:49:34,380 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 11:49:34,381 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-14 11:49:34,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:49:34 BoogieIcfgContainer [2020-10-14 11:49:34,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 11:49:34,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 11:49:34,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 11:49:34,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 11:49:34,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:49:23" (1/3) ... [2020-10-14 11:49:34,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240f34be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:49:34, skipping insertion in model container [2020-10-14 11:49:34,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:49:26" (2/3) ... [2020-10-14 11:49:34,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240f34be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:49:34, skipping insertion in model container [2020-10-14 11:49:34,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:49:34" (3/3) ... [2020-10-14 11:49:34,399 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2020-10-14 11:49:34,410 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 11:49:34,420 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 11:49:34,434 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 11:49:34,468 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 11:49:34,469 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 11:49:34,469 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 11:49:34,469 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 11:49:34,469 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 11:49:34,469 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 11:49:34,469 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 11:49:34,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 11:49:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states. [2020-10-14 11:49:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 11:49:34,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:49:34,526 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] [2020-10-14 11:49:34,527 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:49:34,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:49:34,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1104726697, now seen corresponding path program 1 times [2020-10-14 11:49:34,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:49:34,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839479804] [2020-10-14 11:49:34,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:49:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:49:35,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:49:35,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:49:39,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:49:40,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:49:40,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 11:49:40,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 11:49:40,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5199 [2020-10-14 11:49:40,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:49:40,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:49:40,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:49:40,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 11:49:40,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 11:49:40,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 11:49:42,180 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-14 11:49:42,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:49:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:49:42,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:49:42,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:49:42,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:49:42,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:49:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-14 11:49:42,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:49:42,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:49:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:49:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:49:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:49:42,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:49:42,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:49:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:49:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:49:42,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:49:42,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:49:42,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:49:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 11:49:42,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:49:42,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:49:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:49:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:49:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:49:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:49:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:49:42,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839479804] [2020-10-14 11:49:42,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:49:42,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:49:42,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515201698] [2020-10-14 11:49:42,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:49:42,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:49:42,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:49:42,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:49:42,754 INFO L87 Difference]: Start difference. First operand 1031 states. Second operand 5 states. [2020-10-14 11:49:45,763 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-14 11:50:15,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:50:15,861 INFO L93 Difference]: Finished difference Result 2713 states and 3802 transitions. [2020-10-14 11:50:15,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 11:50:15,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-14 11:50:15,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:50:15,911 INFO L225 Difference]: With dead ends: 2713 [2020-10-14 11:50:15,911 INFO L226 Difference]: Without dead ends: 1784 [2020-10-14 11:50:15,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:50:15,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-10-14 11:50:16,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1680. [2020-10-14 11:50:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-10-14 11:50:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2251 transitions. [2020-10-14 11:50:16,622 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2251 transitions. Word has length 28 [2020-10-14 11:50:16,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:50:16,624 INFO L479 AbstractCegarLoop]: Abstraction has 1680 states and 2251 transitions. [2020-10-14 11:50:16,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:50:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2251 transitions. [2020-10-14 11:50:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-14 11:50:16,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:50:16,639 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] [2020-10-14 11:50:16,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 11:50:16,644 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:50:16,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:50:16,644 INFO L82 PathProgramCache]: Analyzing trace with hash -807345065, now seen corresponding path program 1 times [2020-10-14 11:50:16,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:50:16,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844530965] [2020-10-14 11:50:16,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:50:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:50:16,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:17,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:17,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:17,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:20,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:50:20,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 11:50:20,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 11:50:20,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3415 [2020-10-14 11:50:20,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:50:20,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:50:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:50:20,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:50:20,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 11:50:20,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:50:22,090 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-14 11:50:22,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:50:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:50:22,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:22,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:50:22,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:50:22,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:50:22,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 481 [2020-10-14 11:50:22,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:50:22,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:50:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:50:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:50:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:50:22,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:50:22,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:50:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:50:22,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:22,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:50:22,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:50:22,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:50:22,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 11:50:22,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:50:22,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:50:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:50:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:50:22,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:50:22,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:50:22,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:50:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:50:22,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:22,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:50:22,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:50:22,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:50:22,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 11:50:22,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:50:22,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:50:22,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:50:22,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 11:50:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 11:50:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 11:50:22,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:50:22,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844530965] [2020-10-14 11:50:22,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:50:22,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 11:50:22,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556684759] [2020-10-14 11:50:22,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 11:50:22,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:50:22,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 11:50:22,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:50:22,843 INFO L87 Difference]: Start difference. First operand 1680 states and 2251 transitions. Second operand 7 states. [2020-10-14 11:50:25,364 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-14 11:50:45,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:50:45,510 INFO L93 Difference]: Finished difference Result 3631 states and 4987 transitions. [2020-10-14 11:50:45,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 11:50:45,511 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-10-14 11:50:45,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:50:45,527 INFO L225 Difference]: With dead ends: 3631 [2020-10-14 11:50:45,527 INFO L226 Difference]: Without dead ends: 1962 [2020-10-14 11:50:45,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 11:50:45,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-14 11:50:45,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1680. [2020-10-14 11:50:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-10-14 11:50:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2249 transitions. [2020-10-14 11:50:45,992 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2249 transitions. Word has length 30 [2020-10-14 11:50:45,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:50:45,993 INFO L479 AbstractCegarLoop]: Abstraction has 1680 states and 2249 transitions. [2020-10-14 11:50:45,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 11:50:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2249 transitions. [2020-10-14 11:50:45,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-14 11:50:45,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:50:45,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:50:45,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 11:50:45,996 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:50:45,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:50:45,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1163712031, now seen corresponding path program 1 times [2020-10-14 11:50:45,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:50:45,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763533031] [2020-10-14 11:50:45,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:50:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:50:46,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:46,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:48,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:50:48,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 11:50:48,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 11:50:48,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2598 [2020-10-14 11:50:48,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:50:48,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:50:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:50:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:50:48,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 11:50:48,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:50:50,273 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-14 11:50:50,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:50:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:50:50,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:50,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:50:50,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:50:50,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:50:50,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-14 11:50:50,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:50:50,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:50:50,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:50:50,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:50:50,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:50:50,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:50:50,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:50:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:50:50,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:50,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:50:50,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:50:50,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:50:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 11:50:50,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:50:50,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:50:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:50:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:50:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:50:50,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:50:50,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:50:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:50:50,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:50,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:50,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:50:50,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 11:50:50,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:50:50,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 11:50:50,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:50:50,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:50:50,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:50:50,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:50:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 11:50:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:50:50,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 11:50:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:50:50,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:50,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:50:50,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:50:50,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:50:50,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:50:50,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:50:50,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:50:50,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:50:50,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:50:50,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:50:50,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:50:50,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:50:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:50:50,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:50:50,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:50:50,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:50:50,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:50:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:50:50,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:50:50,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:50:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:50:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:50:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:50:50,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:50:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:50:50,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763533031] [2020-10-14 11:50:50,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:50:50,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:50:50,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987047325] [2020-10-14 11:50:50,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:50:50,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:50:50,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:50:50,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:50:50,654 INFO L87 Difference]: Start difference. First operand 1680 states and 2249 transitions. Second operand 5 states. [2020-10-14 11:50:54,468 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-14 11:51:11,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:51:11,352 INFO L93 Difference]: Finished difference Result 1770 states and 2402 transitions. [2020-10-14 11:51:11,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 11:51:11,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-14 11:51:11,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:51:11,365 INFO L225 Difference]: With dead ends: 1770 [2020-10-14 11:51:11,365 INFO L226 Difference]: Without dead ends: 1767 [2020-10-14 11:51:11,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:51:11,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2020-10-14 11:51:11,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1679. [2020-10-14 11:51:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-10-14 11:51:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2247 transitions. [2020-10-14 11:51:11,735 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2247 transitions. Word has length 35 [2020-10-14 11:51:11,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:51:11,736 INFO L479 AbstractCegarLoop]: Abstraction has 1679 states and 2247 transitions. [2020-10-14 11:51:11,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:51:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2247 transitions. [2020-10-14 11:51:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 11:51:11,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:51:11,738 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] [2020-10-14 11:51:11,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 11:51:11,739 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:51:11,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:51:11,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1714820237, now seen corresponding path program 1 times [2020-10-14 11:51:11,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:51:11,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592457472] [2020-10-14 11:51:11,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:51:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:11,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:11,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:12,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:13,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:13,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 11:51:13,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 11:51:13,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1903 [2020-10-14 11:51:13,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:13,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:13,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:51:13,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:51:13,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 11:51:13,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:51:15,284 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-14 11:51:15,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:51:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:15,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:15,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:15,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:51:15,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:51:15,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 11:51:15,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:15,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:51:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:51:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:51:15,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:51:15,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:51:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:15,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:15,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:15,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:51:15,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:51:15,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 11:51:15,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:15,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:15,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:51:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:51:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:51:15,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:51:15,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:51:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:15,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:15,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:15,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:15,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 11:51:15,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:51:15,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 11:51:15,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:15,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:15,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:51:15,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:51:15,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 11:51:15,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:51:15,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 11:51:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:15,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:15,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:15,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:51:15,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:51:15,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:51:15,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:15,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:15,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:51:15,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:51:15,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:51:15,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:51:15,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:51:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:15,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:15,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:15,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:51:15,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:51:15,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 11:51:15,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:15,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:51:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:51:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:51:15,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:51:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:51:15,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592457472] [2020-10-14 11:51:15,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:51:15,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:51:15,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525308253] [2020-10-14 11:51:15,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:51:15,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:51:15,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:51:15,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:51:15,528 INFO L87 Difference]: Start difference. First operand 1679 states and 2247 transitions. Second operand 5 states. [2020-10-14 11:51:18,377 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-14 11:51:35,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:51:35,598 INFO L93 Difference]: Finished difference Result 1769 states and 2400 transitions. [2020-10-14 11:51:35,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 11:51:35,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-14 11:51:35,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:51:35,611 INFO L225 Difference]: With dead ends: 1769 [2020-10-14 11:51:35,611 INFO L226 Difference]: Without dead ends: 1766 [2020-10-14 11:51:35,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:51:35,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2020-10-14 11:51:36,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1678. [2020-10-14 11:51:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1678 states. [2020-10-14 11:51:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2245 transitions. [2020-10-14 11:51:36,070 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2245 transitions. Word has length 36 [2020-10-14 11:51:36,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:51:36,071 INFO L479 AbstractCegarLoop]: Abstraction has 1678 states and 2245 transitions. [2020-10-14 11:51:36,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:51:36,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2245 transitions. [2020-10-14 11:51:36,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-14 11:51:36,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:51:36,073 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] [2020-10-14 11:51:36,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 11:51:36,074 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:51:36,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:51:36,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1619310306, now seen corresponding path program 1 times [2020-10-14 11:51:36,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:51:36,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732804399] [2020-10-14 11:51:36,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:51:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:36,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:36,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:36,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:37,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:37,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 11:51:37,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 11:51:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1545 [2020-10-14 11:51:37,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:37,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:51:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:51:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 11:51:37,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:51:39,517 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-14 11:51:39,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:51:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:39,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:39,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:39,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:51:39,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:51:39,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 11:51:39,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:39,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:39,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:51:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:51:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:51:39,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:51:39,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:51:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:39,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:39,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:39,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:51:39,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:51:39,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:51:39,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:39,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:39,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:51:39,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:51:39,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:51:39,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:51:39,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:51:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:39,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:39,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:39,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:39,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 11:51:39,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:51:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 11:51:39,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:39,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:51:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:51:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 11:51:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:51:39,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 11:51:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:39,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:39,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:39,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:51:39,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:51:39,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 11:51:39,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:39,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:39,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:51:39,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:51:39,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:51:39,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:51:39,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:51:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:51:39,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:51:39,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:51:39,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:51:39,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:51:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:51:39,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:51:39,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:51:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:51:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:51:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:51:39,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:51:39,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:51:39,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732804399] [2020-10-14 11:51:39,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:51:39,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:51:39,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69520381] [2020-10-14 11:51:39,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:51:39,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:51:39,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:51:39,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:51:39,740 INFO L87 Difference]: Start difference. First operand 1678 states and 2245 transitions. Second operand 5 states. [2020-10-14 11:51:43,089 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-14 11:52:03,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:52:03,891 INFO L93 Difference]: Finished difference Result 1768 states and 2398 transitions. [2020-10-14 11:52:03,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 11:52:03,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-14 11:52:03,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:52:03,904 INFO L225 Difference]: With dead ends: 1768 [2020-10-14 11:52:03,904 INFO L226 Difference]: Without dead ends: 1765 [2020-10-14 11:52:03,906 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 [2020-10-14 11:52:03,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2020-10-14 11:52:04,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1677. [2020-10-14 11:52:04,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1677 states. [2020-10-14 11:52:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 2243 transitions. [2020-10-14 11:52:04,444 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 2243 transitions. Word has length 37 [2020-10-14 11:52:04,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:52:04,446 INFO L479 AbstractCegarLoop]: Abstraction has 1677 states and 2243 transitions. [2020-10-14 11:52:04,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:52:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2243 transitions. [2020-10-14 11:52:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 11:52:04,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:52:04,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:52:04,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 11:52:04,449 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:52:04,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:52:04,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1341492688, now seen corresponding path program 1 times [2020-10-14 11:52:04,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:52:04,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557269268] [2020-10-14 11:52:04,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:52:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:04,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:04,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:05,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:06,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:06,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 11:52:06,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 11:52:06,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2067 [2020-10-14 11:52:06,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:06,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:52:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:52:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 11:52:06,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:52:08,226 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-14 11:52:08,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:52:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:08,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:08,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:08,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:52:08,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:52:08,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 11:52:08,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:08,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:08,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:08,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:08,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:52:08,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:52:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:08,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:08,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:08,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:52:08,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:52:08,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 11:52:08,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:08,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:08,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:52:08,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:08,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:52:08,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:52:08,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 11:52:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:08,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:08,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:08,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:08,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 11:52:08,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:52:08,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 11:52:08,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:08,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:08,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:52:08,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:08,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 11:52:08,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:52:08,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 11:52:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:08,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:08,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:08,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:52:08,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:52:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 11:52:08,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:08,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:08,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:08,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:08,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:08,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:52:08,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:52:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:08,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:08,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:08,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:52:08,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:52:08,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 11:52:08,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:08,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:08,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:52:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:52:08,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557269268] [2020-10-14 11:52:08,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:52:08,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:52:08,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677554276] [2020-10-14 11:52:08,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:52:08,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:52:08,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:52:08,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:52:08,544 INFO L87 Difference]: Start difference. First operand 1677 states and 2243 transitions. Second operand 5 states. [2020-10-14 11:52:11,067 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-14 11:52:26,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:52:26,903 INFO L93 Difference]: Finished difference Result 1767 states and 2396 transitions. [2020-10-14 11:52:26,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 11:52:26,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-10-14 11:52:26,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:52:26,913 INFO L225 Difference]: With dead ends: 1767 [2020-10-14 11:52:26,914 INFO L226 Difference]: Without dead ends: 1705 [2020-10-14 11:52:26,915 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 [2020-10-14 11:52:26,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-10-14 11:52:27,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1617. [2020-10-14 11:52:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1617 states. [2020-10-14 11:52:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2168 transitions. [2020-10-14 11:52:27,249 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2168 transitions. Word has length 38 [2020-10-14 11:52:27,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:52:27,250 INFO L479 AbstractCegarLoop]: Abstraction has 1617 states and 2168 transitions. [2020-10-14 11:52:27,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:52:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2168 transitions. [2020-10-14 11:52:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-14 11:52:27,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:52:27,254 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:52:27,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 11:52:27,255 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:52:27,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:52:27,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1107485047, now seen corresponding path program 1 times [2020-10-14 11:52:27,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:52:27,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556148486] [2020-10-14 11:52:27,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:52:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:27,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:27,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:27,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:27,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:27,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:28,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:28,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:32,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:32,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 11:52:32,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 11:52:32,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5088 [2020-10-14 11:52:32,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:32,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:32,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:52:32,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 11:52:32,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 11:52:32,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:52:34,055 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-14 11:52:34,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:52:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:34,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:34,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:52:34,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:52:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-14 11:52:34,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:34,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 11:52:34,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:52:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:34,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:34,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:52:34,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:52:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 11:52:34,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:34,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:34,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:52:34,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 11:52:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:34,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:34,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 11:52:34,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 11:52:34,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-14 11:52:34,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:34,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:34,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:34,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:52:34,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 11:52:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:34,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:34,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:52:34,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:52:34,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 11:52:34,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:34,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:34,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:34,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:34,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:34,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:52:34,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 11:52:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:34,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:34,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 11:52:34,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 11:52:34,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 11:52:34,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:34,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:34,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:52:34,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 11:52:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:34,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:34,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 11:52:34,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:52:34,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 11:52:34,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:34,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:34,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:34,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 11:52:34,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:34,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:52:34,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:52:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:34,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:34,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 11:52:34,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:52:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:52:34,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:34,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:52:34,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 11:52:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:34,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:34,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:52:34,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:52:34,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:52:34,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:34,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:34,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:52:34,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:34,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:52:34,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 11:52:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:52:34,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:52:34,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:52:34,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:52:34,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:52:34,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 11:52:34,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:52:34,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:52:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:52:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:52:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:52:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:52:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:52:34,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556148486] [2020-10-14 11:52:34,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:52:34,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 11:52:34,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364039501] [2020-10-14 11:52:34,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 11:52:34,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:52:34,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 11:52:34,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 11:52:34,931 INFO L87 Difference]: Start difference. First operand 1617 states and 2168 transitions. Second operand 9 states. [2020-10-14 11:52:38,330 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 603